Tag Archives: hammer hydraulic

China Standard Rock Hammer Repair Spare Parts Sb81 Front Head Back Head Middle Cylinder Assembly Hydraulic Breaker Cylinder vacuum pump brakes

Product Description

  

You can get one-stop service here. 
 1.  Professional engineers for designing and improving before ordering
 2.  Professional equipments for machining and producing after ordering
 3.  Professional inspectors for checking the quality before shipping
 4.  Professional after-sale service for solving the questions when using

 

 

Product Description

 Hydraulic cylinders are widely used for the engineering machinery industries, it is an important actuator in the hydraulic transmission system, which is an energy conversion device that converts hydraulic energy into mechanical energy.

 

Item

Specifications

Product Name

Factory Design Customized Hydraulic Cylinder

Certificate:

   CE,  ISO9001

Production Capacity:

200,000 pcs per year

Sample Time

7-10 days

Service

OEM & ODM

Piston Rod    Chrome or nickel plated,ground & polished piston rod
Seal Type    Parker,NOK, BUSAK SHAMBAN or as customer’s requirement

Tube

High tensile cold drawn tube, precision honed for extended seal life

Delivery Time

Based on order quantity.  normally 60-90 days.

Price Advantage

Competitive factory price with guaranteed quality

Business Type

Manufacturer & Exporter

Application

 

  

 

Company Profile

HangZhou Handou Construction Machinery Equipment Co., Ltd. is a professional manufacturer that mainly focus on excavator hydraulic attachments researching & devoloping, producingand marketing. The main products are hydraulic hammer, hydraulic breaker, and spare parts, hydraulic quick coupler, wood grapple, log grab, stone grapple, hydraulic grapple, orange peel grapple, demolition grab, hydraulic plate compactor, thumb bucket, pulverizer, demolition crusher, etc.We use good material for each parts and advanced Korean technology, so our hydraulic breakers have great working performance. All products’ quality are strictly under control from processing to delivery. Equiped with high-tech equipments and technology
as well as scientific management system, our excellent staff are ready to offer you superior products and service. Our mission is: Quality first,
Service foremost, and Innovation paramount. 

We’re 1 of the leading manufacturers of Hydraulic Attachments in China, we guarantee that we provide the valuable quality to you and deliver cargo on time.

 

Packaging & Shipping

 

FAQ

Q: Are you a manufacturer?
A: Yes, we are factory and have our own trading company.
 
Q: Are you sure your product is suitable for my excavator?
A: Yes, we are professional about it, you can also tell me your excavator model, we will check it for you.

Q: Can you provide customer’s design?
A: Of course, we can provide OEM and ODM services.
   
Q: What is the MOQ and payment terms?
A: The MOQ is 1 set. Payment by T/T, L/C, Western Union accepted, other terms can be negotiated.
 
Q: How about the delivery time?
A: 5-25 working days after payment.
 
Q: How about the package?
A: Our hydraulic breakers are wrapped with stretch film and packed in pallets or bakelite boxes.
 

Q: Which country have you exported?

A: Vietnam, Saudi Arabia,Indonesia, America, Thailand, New Zealand, Canada, Australia, Peru, Chile, Brazil, Mexico, Iran, South Africa, etc.

Type: Hydraulic Cylinder
Application: Excavator
Certification: CE, ISO9001: 2000
Condition: New
Quality Control: ISO & 100% Inspection Before Shipment
MOQ: 1 Set
Samples:
US$ 1999/Piece
1 Piece(Min.Order)

|

Customization:
Available

|

hydraulic cylinder

How do manufacturers ensure the durability and reliability of hydraulic cylinders?

Manufacturers employ various strategies and techniques to ensure the durability and reliability of hydraulic cylinders. These measures are crucial as hydraulic cylinders are often subjected to demanding operating conditions and heavy loads. To ensure their longevity and dependable performance, manufacturers focus on the following aspects:

1. High-Quality Materials:

– Manufacturers use high-quality materials in the construction of hydraulic cylinders. Components such as cylinder barrels, piston rods, seals, and bearings are made from materials that possess excellent strength, corrosion resistance, and wear resistance properties. Common materials used include high-grade steel alloys, chrome-plated rods, and specialized coatings. The selection of appropriate materials ensures that hydraulic cylinders can withstand the stresses, pressures, and environmental conditions they encounter during operation.

2. Robust Design:

– Hydraulic cylinders are designed to withstand high loads and harsh operating conditions. Manufacturers use computer-aided design (CAD) software and finite element analysis (FEA) techniques to optimize the cylinder’s structural integrity and performance. The design includes factors such as proper wall thickness, reinforcement in critical areas, and appropriate sizing of components. Robust design practices ensure that hydraulic cylinders can withstand the forces and stresses they encounter, preventing premature failure and ensuring durability.

3. Quality Manufacturing Processes:

– Manufacturers follow stringent quality control measures during the manufacturing processes of hydraulic cylinders. These processes include precision machining, welding, heat treatment, and surface finishing. Skilled technicians and advanced machinery are employed to ensure dimensional accuracy, proper fitment of components, and overall quality. By adhering to strict manufacturing processes and quality standards, manufacturers can produce hydraulic cylinders with consistent performance and reliability.

4. Sealing Technology:

– The sealing system of hydraulic cylinders is critical for their durability and reliability. Manufacturers utilize advanced sealing technologies such as lip seals, O-rings, and composite seals to prevent fluid leakage and ingress of contaminants. Properly designed and high-quality seals ensure that hydraulic cylinders can maintain their performance over extended periods. Seals are tested for their compatibility with the hydraulic fluid, pressure resistance, and resilience to environmental factors such as temperature and humidity.

5. Performance Testing:

– Manufacturers subject hydraulic cylinders to rigorous performance testing to validate their durability and reliability. These tests simulate real-world operating conditions and evaluate factors such as load capacity, pressure resistance, fatigue life, and leakage. Performance testing helps identify any design flaws or weaknesses in the hydraulic cylinder and allows manufacturers to make necessary improvements. By conducting thorough performance testing, manufacturers can ensure that hydraulic cylinders meet or exceed the required performance standards.

6. Compliance with Industry Standards:

– Manufacturers adhere to industry standards and regulations to ensure the durability and reliability of hydraulic cylinders. These standards, such as ISO 6020/6022 and NFPA T3.6.7, provide guidelines for design, manufacturing, and performance requirements. By following these standards, manufacturers ensure that hydraulic cylinders are designed and built to meet specific quality and safety criteria. Compliance with industry standards helps establish a baseline for durability and reliability and instills confidence in the performance of hydraulic cylinders.

7. Regular Maintenance and Service:

– Manufacturers provide recommendations for regular maintenance and service of hydraulic cylinders. This includes guidelines for lubrication, inspection of components, and replacement of wear parts such as seals and bearings. Following the manufacturer’s maintenance guidelines helps ensure the long-term durability and reliability of hydraulic cylinders. Regular maintenance also allows for the early detection of potential issues, preventing major failures and extending the service life of the hydraulic cylinders.

8. Customer Support and Warranty:

– Manufacturers provide customer support and warranty services to address any issues that arise with hydraulic cylinders. They offer technical assistance, troubleshooting guidance, and replacement of defective components. The warranty ensures that customers receive reliable and durable hydraulic cylinders and provides recourse in case of any manufacturing defects or premature failures. Strong customer support and warranty policies reflect the manufacturer’s commitment to the durability and reliability of their products.

In summary, manufacturers ensure the durability and reliability of hydraulic cylinders through the use of high-quality materials, robust design practices, stringent manufacturing processes, advanced sealing technology, thorough performance testing, compliance with industry standards, regular maintenance guidelines, and customer support with warranty services. By focusing on these aspects, manufacturers can produce hydraulic cylinders that can withstand demanding conditions, provide long service life, and deliver reliable performance in various applications.

hydraulic cylinder

Ensuring Controlled and Safe Force Application in Heavy Machinery with Hydraulic Cylinders

Hydraulic cylinders play a critical role in heavy machinery by ensuring controlled and safe force application. The ability to exert and control high forces is essential for heavy machinery operations, such as lifting, pressing, pushing, or pulling heavy loads. Let’s explore how hydraulic cylinders ensure controlled and safe force application in heavy machinery:

  1. Force Control: Hydraulic cylinders provide precise force control capabilities. The hydraulic system’s pressure can be adjusted to regulate the force exerted by the cylinder. This control allows operators to apply the necessary force for a specific task while ensuring it remains within safe limits. By accurately controlling the force, hydraulic cylinders help prevent excessive force that could damage the machinery or compromise the safety of the operation.
  2. Load Balancing: In heavy machinery, multiple hydraulic cylinders are often used in conjunction to distribute and balance the applied force. By using multiple cylinders, the load can be evenly distributed across the machinery, minimizing stress concentrations and ensuring controlled force application. This load balancing approach enhances the stability and safety of the machinery, preventing uneven loading that could lead to structural issues or instability.
  3. Safety Valves: Hydraulic systems in heavy machinery are equipped with safety valves to protect against excessive force or overloading. Safety valves are designed to release hydraulic fluid from the cylinder when the force exceeds a predetermined threshold. This prevents the force from reaching dangerous levels, safeguarding the machinery and preventing potential accidents or damage. Safety valves provide an additional layer of safety and ensure controlled force application even in unexpected circumstances.
  4. Pressure Relief Systems: Hydraulic cylinders incorporate pressure relief systems to further enhance safety. These systems are designed to relieve excess pressure in the hydraulic system, which could occur due to factors such as thermal expansion or system malfunctions. By relieving excess pressure, the pressure relief systems prevent sudden and uncontrolled force surges, maintaining safe and controlled force application in heavy machinery.
  5. Structural Integrity: Hydraulic cylinders are designed to withstand the high forces and loads associated with heavy machinery applications. The cylinders are constructed using robust materials, such as high-strength steel, and undergo rigorous testing to ensure their structural integrity. This ensures that the cylinders can safely handle the forces applied during heavy machinery operations without experiencing failures or deformations that could compromise the safety and controlled force application.

In summary, hydraulic cylinders ensure controlled and safe force application in heavy machinery through force control, load balancing, safety valves, pressure relief systems, and robust structural design. These features and design considerations enable operators to exert the necessary force while maintaining safety and preventing excessive loads or force surges. By incorporating hydraulic cylinders into heavy machinery, manufacturers can achieve controlled force application, enhance operational safety, and protect the machinery from damage or failure.

hydraulic cylinder

How do hydraulic cylinders ensure precise and controlled movement in equipment?

Hydraulic cylinders are widely used in various equipment and machinery to provide precise and controlled movement. They utilize hydraulic fluid and mechanical components to achieve accurate positioning, smooth operation, and reliable control. Here’s a detailed explanation of how hydraulic cylinders ensure precise and controlled movement in equipment:

1. Hydraulic Principle:

– Hydraulic cylinders operate based on Pascal’s law, which states that pressure exerted on a fluid is transmitted equally in all directions. The hydraulic fluid is contained within the cylinder, and when pressure is applied, it acts on the piston, generating force. By controlling the pressure and flow of hydraulic fluid, the movement of the cylinder can be precisely regulated, allowing for accurate and controlled motion.

2. Force and Load Management:

– Hydraulic cylinders are designed to handle specific loads and forces. The force generated by the hydraulic cylinder depends on the hydraulic pressure and the surface area of the piston. By adjusting the pressure, the force output can be controlled. This allows for precise management of the load and ensures that the cylinder can handle the required force without exerting excessive or insufficient force. Proper load management contributes to the precise and controlled movement of the equipment.

3. Control Valves:

– Control valves play a crucial role in regulating the flow and direction of hydraulic fluid within the cylinder. These valves allow operators to control the extension and retraction of the cylinder, adjust the speed of movement, and stop or hold the cylinder at any desired position. By manipulating the control valves, precise and controlled movement can be achieved, enabling operators to position equipment accurately and perform specific tasks with precision.

4. Flow Control:

– Hydraulic cylinders incorporate flow control valves to manage the rate of hydraulic fluid flow. These valves control the speed of the cylinder’s extension and retraction, allowing for smooth and controlled movement. By adjusting the flow rate, operators can precisely control the speed of the cylinder, ensuring that it moves at the desired rate without sudden or erratic movements. Flow control contributes to the overall precision and control of the equipment’s movement.

5. Position Sensing:

– To ensure precise movement, hydraulic cylinders can be equipped with position sensing devices such as linear transducers or proximity sensors. These sensors provide feedback on the position of the cylinder, allowing for accurate position control and closed-loop control systems. By continuously monitoring the position, the equipment’s movement can be controlled with high accuracy, enabling precise positioning and operation.

6. Proportional Control:

– Advanced hydraulic systems utilize proportional control technology, which allows for precise and fine-tuned control of the hydraulic cylinder’s movement. Proportional valves, often operated by electronic control systems, provide variable flow rates and pressure adjustments. This technology enables precise control of speed, force, and position, resulting in highly accurate and controlled movement of the equipment.

7. Cushioning and Damping:

– Hydraulic cylinders can incorporate cushioning and damping mechanisms to ensure smooth and controlled movement at the end of the stroke. Cushioning features, such as adjustable cushions or shock absorbers, reduce the impact and decelerate the cylinder before reaching the end of the stroke. This prevents abrupt stops and minimizes vibrations, contributing to precise and controlled movement.

8. Load Compensation:

– Some hydraulic systems utilize load compensation mechanisms to maintain precise movement even when the load varies. Load-sensing systems monitor the load demand and adjust the hydraulic pressure and flow accordingly to meet that demand. This compensation ensures that the equipment’s movement remains accurate and controlled, regardless of changes in the applied load.

In summary, hydraulic cylinders ensure precise and controlled movement in equipment through the application of hydraulic principles, force and load management, control valves, flow control, position sensing, proportional control, cushioning and damping mechanisms, and load compensation. These features and technologies allow operators to achieve accurate positioning, smooth operation, and reliable control, enabling equipment to perform tasks with precision and efficiency. The combination of hydraulic power and careful design considerations ensures that hydraulic cylinders deliver precise and controlled movement in a wide range of industrial applications.

China Standard Rock Hammer Repair Spare Parts Sb81 Front Head Back Head Middle Cylinder Assembly Hydraulic Breaker Cylinder   vacuum pump brakesChina Standard Rock Hammer Repair Spare Parts Sb81 Front Head Back Head Middle Cylinder Assembly Hydraulic Breaker Cylinder   vacuum pump brakes
editor by CX 2023-10-31

China wholesaler Mkb1700/1800 Excavator Hydraulic Breaker Hammer Front Head Cylinder with Hot selling

Product Description

Professional Hydraulic Breaker Spare Parts Manufacture

Product detail

Product name Hydraulic Breaker Main Body/Front Head/Back Head
Material 20Crmo and 42Crmo We do as you request
Advantages 1.Advanced heat treatment technology
2.Carburization treatment
3.CNC machine in strict and ensure each position’s size which convenient to equip.
4.Wear-resistance
Applicable models SOOSAN,FURUKAWA,NPK,INDECO,MKB,BLT,KRUP,TOY,OKADA,

RAMMER SANDVIK,MONTABERT,MIRACLE,ATLASCOPCO,MSB

DOUBLE BULL,TOKU,DAEMO,COMET,HANMA,MSB,HT-TECH,

GENERAL BREAKER,EVERDIGM,SEHAN DAHE,HENYAK,EDT

Delivery time 5-15 days for samples. 20-30 working days for mass order.
Applications Mining,Metallurgy,Road,Railway,Construction,Ship repairing
WELCOME TO INQUIIRY!!!CONTACT ME DIRECTLY

Our Advantages

1)Heating processing technology: Quench and Tempe

2). Surface Treatment: Cold/Hot Zn Plating, Blackening Treatment(Salt Spray Test 48-96 hours), Ni Plating, Cr Plating, Spraying Undercoat, Anti-Rust Paint, Surface Paint, Plastic Paint. Coated Anti-Rust Water, Anti-Rust Oil, etc.

3). Adaptive quartering hammer: SB HB GB TOKU MKB TOY NPK OKADA DMB MSB RHB SG HM BLT MB GT

4). Dimension Inspection: Calipers, Height Gauge, Micrometer Calipers, Inside Caliper Gauge, Angle and R Gauge, 3 coordinates Measuring instrument.

Suitable Brand

Volvo, CZPT and other brand excavators and Loaders are available.
 

Brand Name If the following models are not your type,tell us your hydraulic

breaker model name, we have more for you.

SOOSAN SB30,SB35,SB40,SB43,SB45,SB50,SB60,SB70,SB81,SB100,SB121,SB130,SB151,etc
FURUKAWA HB10G,HB15G,HB20G,HB30G,HB40G,HB50G
F1,F2,F3,F4,F5,F6,F9,F12,F19,F22,F27,F35,F45etc
ATLAS
COPCO
MB700,MB750,MB800,MB1000,MB1200,MB1500,MB1600,MB1700,
HB2000,HB2200,HB2500,HB3000,HB3600,HB4200,etc
MONTABERT BRH125,BRH250,BRH501,BRH625,SC12,BRV32,BRV43,etc
MSB XIHU (WEST LAKE) DIS.20,XIHU (WEST LAKE) DIS.180,XIHU (WEST LAKE) DIS.200,XIHU (WEST LAKE) DIS.210,XIHU (WEST LAKE) DIS.300,MS550,MS600,MS700,etc
KRUP HM900,HM901,HM902,HM950,HM960,etc
RAMMER S23,S24,S25,S26,E63,E64,E66,E68,G90,G100,etc
INDECO MES2500,MES3000,MES3500,MES4000,etc
TOKU/TOY
OKADA/NPK
TNB 5E6E7E8E10E,TNB150151,TNB310,THBB301,THBB401,THBB801,
THBB1400,THBB2000/OUB310,OUB312,OUB316,OUB318,UB11/H7X,H10X,
H10XB,H12X,H16X,H20X,E210,E212,etc
DAEMO/MKB B140,B210,B230,B300,B360,B450/MKB1400,MKB1500,MKB1600,MKB1700,etc
EVERDIGM RHB305,RHB313,RHB320,RHB321,RHB323,RHB324,RHB325,RHB326,etc
BLT/EDT BLT80-1,BLT80-2,BLT81,BLT100/EDT2000,EDT2200,EDT3000,EDT3200,EDT3500,etc

 

Factory&Warehouse

Recommend Products

Our Company

Our company has established over 10years.With updated machinery and skilled staffs we have supplied stable high quality products to customers all over the world.

Our experianced engineers and exporting team will answer your inquiry or email at the first time,and providing professional service from factory visiting,ordering to deliver goods and after-sales service.

And our hydraulic breaker chisel have been exported to Korea,Vietnam,Uzbekistan,Saudi Arabia,Brazil,Indian,Qatar and other more than 10 countries and regions.

In the same time, we also can provide professional on-site sourcing solutions when customers asking.This is saving their time and cost.

Welcome to visit our factory anytime!!

Packing & Delivery
 

Packing 1.Wood/Paper Case Packing,pallet,protect film,sheet belt.
2.OEM packing in accordance with customers’ requirement.
Shipping 1.By sea Tinajin port for big amount around 15-30days.
2.By Express(DHL,UPS,TNT) for small amount around 3-7days.
Payment 1.Small and trial order 100% full payment.
2.Big order by 30% TT in advance and 70% against the BL.

FAQ

1.What color can you produced?
Reply: If you need special, please tell us,We will comply with your request.

2. How about the delivery time?
Reply: we have a great deal of products and spare parts in stock. On leading time,we have big advantages as a Manufacturer, usually in 3-5 days after order confirmation.

3. What’s the payment?
Reply: we usually accept T/T, L/C or Western Union, other terms also could be negotiated, such as Alibaba trade assurance, will guarantee buyer’s interest.

4. Can you produce according to customers’ design?
Reply: Sure, we are professional manufacturer, OEM is available.

5.What’s your advantage?
Reply:We have competitive prices.Fast delivery time etc.High quality products, high reliability, high safety.

6. Are you sure that your product will fit my excavator?
Reply: Our chisel can be adapted to different excavators. Show me your model number, and we can give you best solution.

If you are interested in our product or our company,please feel free to contact with Ivy Zhang.

Send your inquiry details in the below,and click”Send” Now!↓↓↓↓↓↓

 

Specifying a Ball Screw

When you need a high-quality ball screw, it is important to select 1 with the proper dimensions and specifications. When you are looking for the best product, you should consider features such as preloading, surface finish, and internal return system. You can learn more about these features in this article. If you’re unsure which type of ball screw to select, contact a reputable supplier for further guidance. To find the best product for your needs, click here!
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Brinelling

When specifying a Brinelling ball screw, it is crucial to know how much axial load it can safely bear. The static load capacity, which is given in the catalogue, applies only to pure axial loading, and any radial load that is smaller than 5% of the axial load won’t pose a problem. For more information, contact a CZPT engineer. Brinelling ball screw service life calculation should be performed using the following data:
Preload: The amount of load a ball screw can handle during a single revolution. Preload is the load applied before the ball screw starts moving, and the load is usually between 5 and 10 percent of the dynamic capacity. However, a ball screw that is subject to vibration will experience higher preload, requiring more frequent lubrication. The resulting mechanical stress may cause the ball screw to buckle, or cause the nut to re-circulate the balls.
Critical ball speed: The maximum speed at which the ball can move through the ball nut is called the critical ball speed. In contrast, running the ball screw at its critical shaft speed can lead to excessive vibrations, leading to premature failure of the end support bearings and brinelling of the ball track. Thus, it is recommended to operate a ball screw at a lower speed than the critical ball speed to prevent brinelling and plastic deformation of the balls.
False brinelling: False brinelling is a form of Fretting. False brinelling occurs when the bearings are not rotating. The movement will result in depressions or wear marks in the bearing raceway. This will cause noise, wear, and eventual fatigue. If these conditions persist, a newer ball screw should be used to test the system. The machine should be run for several hours and tested before replacing the bearing.

Preloading

The process of preloading ball screws minimizes backlash by applying pressure to the threads in the opposite direction of the screw’s direction of rotation. It prevents any movement of the screw relative to the nut. Various methods are used for preloading. A common 1 is to use oversized balls inside the ball nut. A double nut system may also be used. Both methods are equally effective. Regardless of the method used, the end result is the same – minimal backlash and increased efficiency.
In the conventional method of preloading ball screws, the motors operate simultaneously in opposite directions, causing them to have a relative motion of approximately equal magnitudes. This reduces the frictional resistance of the system, resulting in rapid traverse. The system is able to operate with minimal backlash during 110 inches of travel, reducing the heat developed by the drive nuts and the problems associated with ball screw heating. Moreover, this method can be used in a wide range of applications.
Another method of preloading ball screws is known as the ball-select method. This method includes the use of over-sized balls that force the balls into more contacts with the screw and nut than a normal ball screw. The advantage of this method is that it reduces backlash because the balls are not machined to high tolerances. The disadvantage of this method is that the ball screw will cost more to manufacture than a standard ball screw and nut.
A conventional design includes a mechanical mechanism that uses a series of balls to rotate a shaft. The problem of backlash is exacerbated by the mass of the shaft. The mechanical system is more complex than necessary and often requires a lot of effort. The present invention eliminates these problems by providing an improved method and apparatus for driving ball screws. This method provides a more efficient preload force that is dynamically adjustable while the mechanism is operating. The method can also improve friction and wear.
air-compressor

Internal return system

There are 2 different types of ball screws. The first type is external and the second is internal. The external type uses return tubes that protrude from the ball nut and extend above and around the outside of the screw. The internal type uses a single tube that spans the ball track, while the more common design uses multiple tubes spanning 1.5 to 3.5 ball tracks. The internal system involves a single return tube and several pickup fingers that guide the balls into the tubes.
The external return tube design is an easier, less expensive choice. The external ball return system has limited space but can handle a wide range of shaft diameters and leads. However, its physical size makes it incompatible with many high-speed applications. Therefore, careful consideration should be given to the mounting options. Internal ball return systems are best suited for small leads and ball sizes. Those that need a high speed will likely benefit from the external ball return system.
Internal ball screw technology has also kept pace with the demands of linear drive systems. Ball screw technology is now more durable than ever. Robust internal ball return systems circulate ball bearings through a solid pickup pin. These deflectors help the balls return to the screw in the correct location. They are crucial components in computer-controlled motion control systems and wire bonding. If you’re interested in the latest advances in linear screw technology, contact us today.
Ball screws are superior to lead screws in many ways. Ball screws are more efficient than lead screws, converting 90% of rotational motion into linear motion. As a result, they are more expensive than lead screws and acme screws. They also provide a smoother movement over the entire travel range. Furthermore, they require less power for the same performance. It’s no wonder that the ball screw is so popular in many different applications.

Surface finish

The surface finish of a ball screw is 1 of the key factors in determining the performance of the system. A ball screw with a good surface finish has superior performance in rolling resistance, backlash, and wear characteristics. However, it is critical to improve the surface finish of a ball screw to achieve precision movement, low wear, and low noise. To achieve this, special wire brushes will be used to polish precision-ground shafts.
For a ball screw to perform well, it must be hard, have a smooth surface, and retain lubricant. The surface finish of a ball screw should be smooth, free of cracks, and retain the lubricant well. Cracks and annealing are both undesirable during the manufacturing process, so a quality machine should be used for its surface finish. During the production process, a CBN cutting insert with full round or gothic arch profile can be used to achieve a high-quality surface finish.
Another finishing operation used in the manufacture of ball screws is lapping. Lapping improves surface quality and travel variation. It involves complex relative movements of abrasive particulates with the workpiece. This removes a thin layer of material from the workpiece, improving its surface quality and dimensional accuracy. The lapping process can be carried out under low-pressure conditions. It also enhances the friction torque and lubrication.
In lapping experiments, friction torque has the largest influence on travel variation and surface roughness. A friction torque of about 1 N x m is optimum. In addition, rotational speed has only a minimal effect. The best combination of these parameters is 1-1.5 N x m and 30 rpm. The minimum surface finish of a ball screw is around 800 mesh. The smallest variation in travel is observed at around half-way through the travel.
air-compressor

Lubrication

Proper lubrication of ball screw assemblies is critical to maintain optimum performance and life. Ball screw assemblies should be lubricated with grease, which is introduced directly into the ball nut. The lubrication port can be located at various locations on the product, including on the flange or in the external threads of the ball nut. Some ball nuts also feature a zerk fitting for easier lubrication.
The lubrication of ball screws is required in the case of operating conditions over 100oC. The minimum load for a ball screw is usually realized with a preload force. The lubricant is conveyed through the narrow lubrication gap due to the relative movement of the 2 surfaces. The increased viscosity of the lubricant enables separation of the contact surfaces. To avoid over-lubrication, it is important to check the lubricant level regularly.
The oil used in lubrication of ball screw assemblies can be either mineral or synthetic. The oil is composed of mineral or synthetic oil, additives, and a thickening agent, such as lithium or bentonite. Other thickening agents include lithium, barium complexes, or aluminum. The lubricant grade NLGI is a widely used classification for lubricating greases. It is not sufficient to choose a specific type of lubricant for a particular application, but it provides a qualitative measure.
Despite being essential to the performance of a ball screw, lubrication is also essential to its lifespan. Different types of lubricant offer corrosion protection. Before using a lubricant, make sure to thoroughly clean and dry the ball screw. If there is any buildup of dirt, it may damage the screw. To prevent this from occurring, you can use a solvent or lint-free cloth. Lubrication of ball screw assemblies can greatly extend the life of the assembly.

China wholesaler Mkb1700/1800 Excavator Hydraulic Breaker Hammer Front Head Cylinder     with Hot sellingChina wholesaler Mkb1700/1800 Excavator Hydraulic Breaker Hammer Front Head Cylinder     with Hot selling

China Best Sales Toku Tnb150 Hydraulic Breaker Hammer Cylinder Reasonable Factory Pirce near me shop

Product Description

ARE YOU LOOKING FOR A RELIABLE FACTORY FOR HYDRAULIC BREAKER SPARE PARTS WITH
                                      STABLE QUALITY & AFTER-SALES SERVICE GUARANTEES?

DO YOU HAVE CLIENTS WHO WANT TO BUY THE DURABLE LONG LIFETIME & HIGH-END FINISH
                              HYDRAULIC HAMMER SPARE PARTS AS JAPAN OR KOREA’S?

ARE YOU FINDING JAPAN/KOREA SUPPLIERS’ OFFER SO HIGH AND THINK ABOUT
                                           A BETTER ECONOMIC ALTERNATIVE?

HOW ABOUT A PERSON HELP YOU TO SOLVE ALL THE PROBLEMS AND LEAVE YOU
                                           TO SIT BACK AND RELAX?

Hi, I am Ryan, I have 8 years of international trade sales experience and now working for
HangZhou Zhongye Machinery Manufacture Co., Ltd.

I know you are looking for high-quality SPARE PARTS while affordable like this:

Now you can stop searching and comparison, I bet our factory can be your best choice. WHY?

1, Stable quality in various actual fields worldwide

Our chisels have been supplied to over 70 companies of more than 30 countries
Certificate such as CE, ISO, can also be a proof of our quality.

2, Well equipped production facility.

The one-stop operational resource that covers 2 manufacturing factories for hydraulic breaker, chisel,
and spare parts which 10 years’ history Zhongye machinery factory for mid-range products.

Second NEW factory with an up-to-date production facility for high-end hydraulic breaker, chisel, and spare parts;

Third, We have pistons for the following hydraulic breaker/hammers:
you can also send us your drawing for mass customized production.
  

Brand Name

Below models are part of hydraulic breaker models for your refference.

Soosan SB40 SB43 SB45 SB50 SB60 SB81N SB81 SB81A SB100 SB121 SB130 SB140 SB151
Furukawa   HB20G HB30G HB40G HB8G HB10G HB5G HB15G
F19 F20 F22 F35 F70 FX47 F45 FS37 F27 FS22 F27 F12 F9 F6
Toku TNB150  TNB151 TNB14E TNB5M TNB4E TNB6E TNB7E TNB14B TNB14 TNB190 TNB230
General   GB8AT GB8T GB8F GB2T GB5T GB4T GB6T GB540E GB580E
NPK H2X NPK H4X NPK H6X NPK H-7X  NPK H-9X  NPK H-10X 
H-10XB E-12X  E210A/B NPK NPK H12XB NPK H14X NPK H20X
Daemo S2100 S2200 S2300 S3000
Krup HM960  HM951 HM720 HM980 HM1000 HM1500
MSB MS600 Xihu (West Lake) Dis.350
Okada OUB308 OUB312 OUB316
Toy        THBB401 THBB801 THBB1600 THBB2000
Hanwoo RHB323 RHB313 RHB305 RHB325 RHB326 RHB328 RHB330 RHB340 RHB350

3, Years of accumulated Art-Heat Treatment Technology

10 years of accumulated heat treatment technology, making the our spare parts 2 TIMES durable than most small workshops.

4, Quality Assurance

Every working procedure would influence the product quality, thus each working procedure should
sustaining testing on our production lines.  Our warranty policy could make you rest easy.

5, After-sales service

With my 8 years’ export experience, I was confident I could ensure the smooth process from order
receiving until the order arrives at your hand.

Hence, Zhongye is available to show you our product range and CZPT you in the choice of the products that best fit your needs,

Isn’t good enough?

I have a trade secret can make your business more profitable and competitive.

I guess most of your competitors haven’t known that,

Just send me your detailed inquiry at the bottom and I will share it with you for free.

Grab the opportunity today! or your competitors may have learned that.

 

Lead Screws and Clamp Style Collars

If you have a lead screw, you’re probably interested in learning about the Acme thread on this type of shaft. You might also be interested in finding out about the Clamp style collars and Ball screw nut. But before you buy a new screw, make sure you understand what the terminology means. Here are some examples of screw shafts:

Acme thread

The standard ACME thread on a screw shaft is made of a metal that is resistant to corrosion and wear. It is used in a variety of applications. An Acme thread is available in a variety of sizes and styles. General purpose Acme threads are not designed to handle external radial loads and are supported by a shaft bearing and linear guide. Their design is intended to minimize the risk of flank wedging, which can cause friction forces and wear. The Centralizing Acme thread standard caters to applications without radial support and allows the thread to come into contact before its flanks are exposed to radial loads.
The ACME thread was first developed in 1894 for machine tools. While the acme lead screw is still the most popular screw in the US, European machines use the Trapezoidal Thread (Metric Acme). The acme thread is a stronger and more resilient alternative to square threads. It is also easier to cut than square threads and can be cut by using a single-point threading die.
Similarly to the internal threads, the metric versions of Acme are similar to their American counterparts. The only difference is that the metric threads are generally wider and are used more frequently in industrial settings. However, the metric-based screw threads are more common than their American counterparts worldwide. In addition, the Acme thread on screw shafts is used most often on external gears. But there is still a small minority of screw shafts that are made with a metric thread.
ACME screws provide a variety of advantages to users, including self-lubrication and reduced wear and tear. They are also ideal for vertical applications, where a reduced frictional force is required. In addition, ACME screws are highly resistant to back-drive and minimize the risk of backlash. Furthermore, they can be easily checked with readily available thread gauges. So, if you’re looking for a quality ACME screw for your next industrial project, look no further than ACME.
screwshaft

Lead screw coatings

The properties of lead screw materials affect their efficiency. These materials have high anti-corrosion, thermal resistance, and self-lubrication properties, which eliminates the need for lubrication. These coating materials include polytetrafluoroethylene (PFE), polyether ether ketone (PEK), and Vespel. Other desirable properties include high tensile strength, corrosion resistance, and rigidity.
The most common materials for lead screws are carbon steel, stainless steel, and aluminum. Lead screw coatings can be PTFE-based to withstand harsh environments and remove oil and grease. In addition to preventing corrosion, lead screw coatings improve the life of polymer parts. Lead screw assembly manufacturers offer a variety of customization options for their lead screw, including custom-molded nuts, thread forms, and nut bodies.
Lead screws are typically measured in rpm, or revolutions per minute. The PV curve represents the inverse relationship between contact surface pressure and sliding velocity. This value is affected by the material used in the construction of the screw, lubrication conditions, and end fixity. The critical speed of lead screws is determined by their length and minor diameter. End fixity refers to the support for the screw and affects its rigidity and critical speed.
The primary purpose of lead screws is to enable smooth movement. To achieve this, lead screws are usually preloaded with axial load, enabling consistent contact between a screw’s filets and nuts. Lead screws are often used in linear motion control systems and feature a large area of sliding contact between male and female threads. Lead screws can be manually operated or mortised and are available in a variety of sizes and materials. The materials used for lead screws include stainless steel and bronze, which are often protected by a PTFE type coating.
These screws are made of various materials, including stainless steel, bronze, and various plastics. They are also made to meet specific requirements for environmental conditions. In addition to lead screws, they can be made of stainless steel, aluminum, and carbon steel. Surface coatings can improve the screw’s corrosion resistance, while making it more wear resistant in tough environments. A screw that is coated with PTFE will maintain its anti-corrosion properties even in tough environments.
screwshaft

Clamp style collars

The screw shaft clamp style collar is a basic machine component, which is attached to the shaft via multiple screws. These collars act as mechanical stops, load bearing faces, or load transfer points. Their simple design makes them easy to install. This article will discuss the pros and cons of this style of collar. Let’s look at what you need to know before choosing a screw shaft clamp style collar. Here are some things to keep in mind.
Clamp-style shaft collars are a versatile mounting option for shafts. They have a recessed screw that fully engages the thread for secure locking. Screw shaft clamp collars come in different styles and can be used in both drive and power transmission applications. Listed below are the main differences between these 2 styles of collars. They are compatible with all types of shafts and are able to handle axial loads of up to 5500 pounds.
Clamp-style shaft collars are designed to prevent the screw from accidentally damaging the shaft when tightened. They can be tightened with a set screw to counteract the initial clamping force and prevent the shaft from coming loose. However, when tightening the screw, you should use a torque wrench. Using a set screw to tighten a screw shaft collar can cause it to warp and reduce the surface area that contacts the shaft.
Another key advantage to Clamp-style shaft collars is that they are easy to install. Clamp-style collars are available in one-piece and two-piece designs. These collars lock around the shaft and are easy to remove and install. They are ideal for virtually any shaft and can be installed without removing any components. This type of collar is also recommended for those who work on machines with sensitive components. However, be aware that the higher the OD, the more difficult it is to install and remove the collar.
Screw shaft clamp style collars are usually one-piece. A two-piece collar is easier to install than a one-piece one. The two-piece collars provide a more effective clamping force, as they use the full seating torque. Two-piece collars have the added benefit of being easy to install because they require no tools to install. You can disassemble one-piece collars before installing a two-piece collar.
screwshaft

Ball screw nut

The proper installation of a ball screw nut requires that the nut be installed on the center of the screw shaft. The return tubes of the ball nut must be oriented upward so that the ball nut will not overtravel. The adjusting nut must be tightened against a spacer or spring washer, then the nut is placed on the screw shaft. The nut should be rotated several times in both directions to ensure that it is centered.
Ball screw nuts are typically manufactured with a wide range of preloads. Large preloads are used to increase the rigidity of a ball screw assembly and prevent backlash, the lost motion caused by a clearance between the ball and nut. Using a large amount of preload can lead to excessive heat generation. The most common preload for ball screw nuts is 1 to 3%. This is usually more than enough to prevent backlash, but a higher preload will increase torque requirements.
The diameter of a ball screw is measured from its center, called the ball circle diameter. This diameter represents the distance a ball will travel during 1 rotation of the screw shaft. A smaller diameter means that there are fewer balls to carry the load. Larger leads mean longer travels per revolution and higher speeds. However, this type of screw cannot carry a greater load capacity. Increasing the length of the ball nut is not practical, due to manufacturing constraints.
The most important component of a ball screw is a ball bearing. This prevents excessive friction between the ball and the nut, which is common in lead-screw and nut combinations. Some ball screws feature preloaded balls, which avoid “wiggle” between the nut and the ball. This is particularly desirable in applications with rapidly changing loads. When this is not possible, the ball screw will experience significant backlash.
A ball screw nut can be either single or multiple circuits. Single or multiple-circuit ball nuts can be configured with 1 or 2 independent closed paths. Multi-circuit ball nuts have 2 or more circuits, making them more suitable for heavier loads. Depending on the application, a ball screw nut can be used for small clearance assemblies and compact sizes. In some cases, end caps and deflectors may be used to feed the balls back to their original position.

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Product Description

 

SB30 SB43 SB81 SB100 Excavator Hydraulic Breaker Cylinder For Construction Building Broken Mining

 Quality first is our aim. We have progressive technological processes, world-class productionequipment, perfect management system and the most advanced technical team. Strict quality control is performed in every procedure from product design, material sourcing, processing and testing to packing.

 

Bushing
Materia 42CrMoA 40CrMo 20CrMo New Generation Materia
Offer OEM ODM
Size Acorrding to breaker brand or as your request

 

 

 

    ZheJiang CZPT Machinery Technology Co.,Ltd., located in HangZhou city, ZheJiang Province, is a leading manufacturer of excavator attachments, pipeline kit, seals kit ,hydraulic breaker, breaker chisel, bushing and other excavator spare parts.  
   We have over 10 years production and management experiences in the construction machinery industry, and can provide customers with one-stop service– the highest quality products ,the most competitive price, and the most comprehensive service!
   We have exported products to more than 80 countries like Egypt, Qatar, Dubai, India, USA and UK . Our company has obtained ISO9001 and CE certification. We warmly welcome customers from all over the world to visit and cooperate with us.

 

Other Products

Features & Benefits

1. Selected raw material – high quality heavy duty wear resistant steel

2. Hydraulic-gas system, increase stability

3. High-quality and durable wear parts

4. Advanced manufacturing facilities

5. High energy and impact frequency (high performance)

6. High-performance optimized hydraulic unit

7. Low maintenance, less breakdown, long using life
 

 

Package: Standard packing or as customer’s request
Delivery: 1. Delivery time: Usually 10-30ays after down payment. 
               2. We can arrange CZPT or air transportation according to your request from any port of China.

 

FAQ

Why Monteono
High Quality, Competitive Price, Considerate service” is our guidelines, Choosing us as your supplier, you will get more than you pay. 
Excellent product quality
   Re: Free sample can be arranged to you, then you can witness and test it by yourself.
Competitive price
   Re: Our price to you is favorable and competitive, Hope we can cooperate for long term business!
Timely and professional reply to your inquiry
   Re: Normally we will reply to you by email within 5-8 hours, considering the time difference, 24 hours is enough!
Short delivery time
   Re: Generally, our delivery time is within 30days.
 
Please kindly send us a inquiry if you need, we will reply to you very soon.

 

 

 

 

Overview of Different Types of Pulleys

A pulley is a wheel mounted on a shaft or shaft. Its purpose is to facilitate the movement or change of direction of the cable or taut rope, and to transmit power between the cable and the shaft. Pulleys are typically used for lifting, winding or forklift applications. If you are building your own pulley system, the following design and installation considerations should be followed. This article will give you an overview of the different types of pulleys.
pulley

Pulley System Mechanics

There are many different ways to utilize the mechanism of the pulley system. The most basic pulley system consists of a fixed wheel and a support frame. Both components are connected by ropes or cables used to support the load. A pulley system is effective when the force required to lift the load is less than the weight of the object being lifted.
One way to use a pulley system is to suspend a block with a mass of 0.80 kg on a fixed pulley. Then another person can hang a bucket weighing up to 40kg. The weight of the bucket is transferred to the fixed pulley. The rope is attached to the pulley by a loop or sling. The rope will spin and pull on the barrel or block.
The pulley system is also an important tool for lifting heavy objects. Pulleys are often used in construction equipment to make lifting heavy objects easier. Gun tackles, yard tackles, and stationary tackle systems are common examples of these devices. They use the mechanical advantage of the design to guide the force that lifts the object. If you want to learn more about pulley systems, visit Vedantu. This website will provide you with a full description of the mechanism and its application.

Types of pulleys

Many different types of pulleys are used to lift heavy objects. They change the direction of the force and are an integral part of the cable system. Therefore, pulleys can move large and heavy objects more easily. However, before buying a pulley, you should have an idea of ​​the benefits it brings. Below are some of the most common uses for pulleys.
Conical Pulley: Consists of several small conical pulleys connected to each other. The larger base of 1 pulley is used to guide the force. Round pulleys are used in the same way as step pulleys. They are widely used in industry and can be purchased at any hardware store. Pulleys are a huge investment, and the benefits they provide far outweigh the cost.
Movable Pulls: These are similar to their names, but work by allowing objects to move with the pull. Their movable parts are attached to the object to be lifted. They are also ideal for lifting heavy loads and can be found in utility elevators and construction cranes. They are also used in many other industries. They can also be made of wood, plastic or metal. The type of pulley you use depends on its intended use.

Mechanical Advantages of Pulley Systems

A pulley system is a simple machine that reduces the effort required to lift heavy loads. This mechanical advantage is proportional to the number of loops. For example, if you have a single rope loop, you must apply equal force to lift the weight. When you add another rope loop, you can lift heavier weights just by applying the same force. Therefore, a pulley system is an excellent way to use gravity to your advantage.
Mechanical advantage is a measure of the effectiveness of a pulley system. This ratio of force to work is called the mechanical advantage. In other words, if the rope system has a large mechanical advantage, it means that it requires less force to lift heavier loads. This advantage is usually measured in kilograms and is the same for all pulley systems. In general, the greater the mechanical advantage, the less effort is required to lift the load.
The mechanical advantage of a pulley system is that a single movable pulley requires half the force to lift an object than a single fixed pulley. Assuming frictionless bearings, the MA of a single pulley system is 2, similar to the MA of a single lever. A single pulley travels twice as much as it takes to move heavy objects manually.
pulley

Considerations when designing and installing a pulley system

The capacity of the pulley depends on the type and diameter of the cable. Besides its diameter, its sheath should also support it well. The basic function of the pulley is also important. However, most people tend to ignore the pulley selection process, resulting in ineffective load-pull capabilities. To avoid such problems, different parameters must be carefully considered during design and installation.
During the design and installation of the pulley system, the ratio of the cable diameter to the largest pulley diameter must be considered. Those who work in the industrial sector will have an idea of ​​this ratio. The greater the D:d ratio, the greater the capacity of the cable to withstand the load. The best way to ensure secure design is to take the right information and use it to design a system that is both robust and secure.
When designing a pulley system, it is important to remember that the pulley needs to have enough power to operate safely. In addition to horsepower, the belt should have sufficient elongation to absorb shock loads. If the elongation of the belt is very small, it is very likely that the teeth will be sheared or broken, causing serious damage to the system. Extensive belt sag should be compensated for by offsetting the driven pulley. Finally, the frame supporting the pulley should be rigid. Otherwise, the non-rigid frame will cause center distance and tooth skipping changes.

Add more pulleys to the system

Adding more pulleys to the spool might have some effect. The friction between the rope and the pulley increases with the number of pulleys, which in practice limits the number of spools. The best solution is to combine the pulleys into 1 housing. If the load is small enough, adding a few pulleys probably won’t make a difference.
Using multiple pulleys allows a single load to be lifted with half the force required. The longer the rope, the greater the mechanical advantage. In fact, a spool can withstand a load of 100 N. Additionally, adding more pulleys quadrupled the mechanical advantage. In this case, a single 100 N load would require a force of 25 Newtons.
When the rope is used, it stretches as the weight of the object increases. This will make the rope longer, increasing its length and increasing the distance over which the load can be lifted. Eventually, the rope will break and the lifted object will fall. Then you will have to buy a new rope. It may seem like an expensive proposition, but it pays off in the long run.

cast iron pulley

Cast iron pulleys are the most popular choice among industrial users. They are made of solid cast iron and usually cost very little. Their rims are held in place by a mesh that extends from a central boss. They also have spokes and arms that hold them in place. These pulleys are ideal for a variety of applications including fan belts, compressors and conveyors.
V-groove drive pulleys are ideal for general purpose pulleys. It has an inner diameter of 1 inch and is commonly used in feeders and ventilation curtain systems. Its steel straps prevent rust and ensure it meets or exceeds industry standards. 3-1/2″ cast iron pulleys are also available. In addition to the V-groove drive pulley, there are similar pulleys for power transmission. The V-groove drive pulley is powder coated for added durability.
The cross section of the arm is elliptical, with the long axis twice as long as the short axis. The radius of the arm is equal to the diameter of the pulley. The thickness of the arm is a key factor to consider when purchasing a pulley. If you’re not sure which material you need, you can always consider wooden or steel pulleys. They are lighter and have a higher coefficient of friction than metal pulleys.
pulley

timing pulley

Plastic timing pulleys have many advantages over steel timing pulleys. On the 1 hand, they are lightweight and corrosion resistant, making them ideal for applications that do not require high torque and tensile strength. Another benefit is their resistance to high temperatures. Plastic timing pulleys are ideal for applications involving flammable gases, solvents or particles. They can last for many years. For more information on the different types of plastic timing pulleys.
Vertical shaft drives require flanged timing pulleys. For large span drives, at least 1 of these pulleys must be flanged. The flange provides a secure connection to the shaft and prevents ratcheting of the timing belt. Finally, HTD timing belt teeth prevent timing belt ratcheting. These teeth need a large enough space to be seated. However, they can also cause a backlash. These pulleys are not suitable for applications where positional accuracy is critical.
Timing belt systems are designed to avoid such problems. The drive shaft and the driven shaft are aligned with each other. The pulleys are located on different planes and are connected by pitch lines. The pitch line of the timing pulley coincides with the pitch line of the belt. These pulleys are also easier to implement and maintain. It is better to use a synchronous system because the resulting gear system emits less noise than other systems.

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Product Description

ARE YOU LOOKING FOR A RELIABLE FACTORY FOR HYDRAULIC BREAKER SPARE PARTS WITH
                                      STABLE QUALITY & AFTER-SALES SERVICE GUARANTEES?

DO YOU HAVE CLIENTS WHO WANT TO BUY THE DURABLE LONG LIFETIME & HIGH-END FINISH
                              HYDRAULIC HAMMER SPARE PARTS AS JAPAN OR KOREA’S?

ARE YOU FINDING JAPAN/KOREA SUPPLIERS’ OFFER SO HIGH AND THINK ABOUT
                                           A BETTER ECONOMIC ALTERNATIVE?

HOW ABOUT A PERSON HELP YOU TO SOLVE ALL THE PROBLEMS AND LEAVE YOU
                                           TO SIT BACK AND RELAX?

Hi, I am Ryan, I have 8 years of international trade sales experience and now working for
HangZhou Zhongye Machinery Manufacture Co., Ltd.

I know you are looking for high-quality SPARE PARTS while affordable like this:

Now you can stop searching and comparison, I bet our factory can be your best choice. WHY?

1, Stable quality in various actual fields worldwide

Our chisels have been supplied to over 70 companies of more than 30 countries
Certificate such as CE, ISO, can also be a proof of our quality.

2, Well equipped production facility.

The one-stop operational resource that covers 2 manufacturing factories for hydraulic breaker, chisel,
and spare parts which 10 years’ history Zhongye machinery factory for mid-range products.

Second NEW factory with an up-to-date production facility for high-end hydraulic breaker, chisel, and spare parts;

Third, We have pistons for the following hydraulic breaker/hammers:
you can also send us your drawing for mass customized production.
 

SOOSAN TOKU NPK GENERA HANWOO TOYOU ALTAS COPCO RAMMER
FURUKAWA KRUP MONRABERT STANELY OKANA INDECO MSB DAEMO

 

Brand Name

Below models are part of hydraulic breaker models for your refference.

Soosan SB40 SB43 SB45 SB50 SB60 SB81N SB81 SB81A SB100 SB121 SB130 SB140 SB151
Furukawa   HB20G HB30G HB40G HB8G HB10G HB5G HB15G
F19 F20 F22 F35 F70 FX47 F45 FS37 F27 FS22 F27 F12 F9 F6
Toku TNB150  TNB151 TNB14E TNB5M TNB4E TNB6E TNB7E TNB14B TNB14 TNB190 TNB230
General   GB8AT GB8T GB8F GB2T GB5T GB4T GB6T GB540E GB580E
NPK H2X NPK H4X NPK H6X NPK H-7X  NPK H-9X  NPK H-10X 
H-10XB E-12X  E210A/B NPK NPK H12XB NPK H14X NPK H20X
Daemo S2100 S2200 S2300 S3000
Krup HM960  HM951 HM720 HM980 HM1000 HM1500
MSB MS600 Xihu (West Lake) Dis.350
Okada OUB308 OUB312 OUB316
ToyoU          THBB401 THBB801 THBB1600 THBB2000
Hanwoo RHB323 RHB313 RHB305 RHB325 RHB326 RHB328 RHB330 RHB340 RHB350

3, Years of accumulated Art-Heat Treatment Technology

10 years of accumulated heat treatment technology, making the our spare parts 2 TIMES durable than most small workshops.

4, Quality Assurance

Every working procedure would influence the product quality, thus each working procedure should
sustaining testing on our production lines.  Our warranty policy could make you rest easy.

5, After-sales service

With my 8 years’ export experience, I was confident I could ensure the smooth process from order
receiving until the order arrives at your hand.

Hence, Zhongye is available to show you our product range and CZPT you in the choice of the products that best fit your needs,

Isn’t good enough?

I have a trade secret can make your business more profitable and competitive.

I guess most of your competitors haven’t known that,

Just send me your detailed inquiry at the bottom and I will share it with you for free.

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How to Identify a Faulty Drive Shaft

The most common problems associated with automotive driveshafts include clicking and rubbing noises. While driving, the noise from the driver’s seat is often noticeable. An experienced auto mechanic can easily identify whether the sound is coming from both sides or from 1 side. If you notice any of these signs, it’s time to send your car in for a proper diagnosis. Here’s a guide to determining if your car’s driveshaft is faulty:
air-compressor

Symptoms of Driveshaft Failure

If you’re having trouble turning your car, it’s time to check your vehicle’s driveshaft. A bad driveshaft can limit the overall control of your car, and you should fix it as soon as possible to avoid further problems. Other symptoms of a propshaft failure include strange noises from under the vehicle and difficulty shifting gears. Squeaking from under the vehicle is another sign of a faulty driveshaft.
If your driveshaft fails, your car will stop. Although the engine will still run, the wheels will not turn. You may hear strange noises from under the vehicle, but this is a rare symptom of a propshaft failure. However, you will have plenty of time to fix the problem. If you don’t hear any noise, the problem is not affecting your vehicle’s ability to move.
The most obvious signs of a driveshaft failure are dull sounds, squeaks or vibrations. If the drive shaft is unbalanced, it is likely to damage the transmission. It will require a trailer to remove it from your vehicle. Apart from that, it can also affect your car’s performance and require repairs. So if you hear these signs in your car, be sure to have it checked by a mechanic right away.

Drive shaft assembly

When designing a propshaft, the design should be based on the torque required to drive the vehicle. When this torque is too high, it can cause irreversible failure of the drive shaft. Therefore, a good drive shaft design should have a long service life. Here are some tips to help you design a good driveshaft. Some of the main components of the driveshaft are listed below.
Snap Ring: The snap ring is a removable part that secures the bearing cup assembly in the yoke cross hole. It also has a groove for locating the snap ring. Spline: A spline is a patented tubular machined element with a series of ridges that fit into the grooves of the mating piece. The bearing cup assembly consists of a shaft and end fittings.
U-joint: U-joint is required due to the angular displacement between the T-shaped housing and the pinion. This angle is especially large in raised 4x4s. The design of the U-joint must guarantee a constant rotational speed. Proper driveshaft design must account for the difference in angular velocity between the shafts. The T-bracket and output shaft are attached to the bearing caps at both ends.
air-compressor

U-joint

Your vehicle has a set of U-joints on the driveshaft. If your vehicle needs to be replaced, you can do it yourself. You will need a hammer, ratchet and socket. In order to remove the U-joint, you must first remove the bearing cup. In some cases you will need to use a hammer to remove the bearing cup, you should be careful as you don’t want to damage the drive shaft. If you cannot remove the bearing cup, you can also use a vise to press it out.
There are 2 types of U-joints. One is held by a yoke and the other is held by a c-clamp. A full ring is safer and ideal for vehicles that are often used off-road. In some cases, a full circle can be used to repair a c-clamp u-joint.
In addition to excessive torque, extreme loads and improper lubrication are common causes of U-joint failure. The U-joint on the driveshaft can also be damaged if the engine is modified. If you are driving a vehicle with a heavily modified engine, it is not enough to replace the OE U-joint. In this case, it is important to take the time to properly lubricate these components as needed to keep them functional.

tube yoke

QU40866 Tube Yoke is a common replacement for damaged or damaged driveshaft tubes. They are desirably made of a metallic material, such as an aluminum alloy, and include a hollow portion with a lug structure at 1 end. Tube yokes can be manufactured using a variety of methods, including casting and forging. A common method involves drawing solid elements and machining them into the final shape. The resulting components are less expensive to produce, especially when compared to other forms.
The tube fork has a connection point to the driveshaft tube. The lug structure provides attachment points for the gimbal. Typically, the driveshaft tube is 5 inches in diameter and the lug structure is 4 inches in diameter. The lug structure also serves as a mounting point for the drive shaft. Once installed, Tube Yoke is easy to maintain. There are 2 types of lug structures: 1 is forged tube yoke and the other is welded.
Heavy-duty series drive shafts use bearing plates to secure the yoke to the U-joint. All other dimensions are secured with external snap rings. Yokes are usually machined to accept U-bolts. For some applications, grease fittings are used. This attachment is more suitable for off-road vehicles and performance vehicles.
air-compressor

end yoke

The end yoke of the drive shaft is an integral part of the drive train. Choosing a high-quality end yoke will help ensure long-term operation and prevent premature failure. Pat’s Driveline offers a complete line of automotive end yokes for power take-offs, differentials and auxiliary equipment. They can also measure your existing parts and provide you with high quality replacements.
A U-bolt is an industrial fastener with threaded legs. When used on a driveshaft, it provides greater stability in unstable terrain. You can purchase a U-bolt kit to secure the pinion carrier to the drive shaft. U-bolts also come with lock washers and nuts. Performance cars and off-road vehicles often use this type of attachment. But before you install it, you have to make sure the yoke is machined to accept it.
End yokes can be made of aluminum or steel and are designed to provide strength. It also offers special bolt styles for various applications. CZPT’s drivetrain is also stocked with a full line of automotive flange yokes. The company also produces custom flanged yokes for many popular brands. Since the company has a comprehensive line of replacement flange yokes, it can help you transform your drivetrain from non-serviceable to serviceable.

bushing

The first step in repairing or replacing an automotive driveshaft is to replace worn or damaged bushings. These bushings are located inside the drive shaft to provide a smooth, safe ride. The shaft rotates in a rubber sleeve. If a bushing needs to be replaced, you should first check the manual for recommendations. Some of these components may also need to be replaced, such as the clutch or swingarm.

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Product Description

ARE YOU LOOKING FOR A RELIABLE FACTORY FOR HYDRAULIC BREAKER SPARE PARTS WITH
                                      STABLE QUALITY & AFTER-SALES SERVICE GUARANTEES?

DO YOU HAVE CLIENTS WHO WANT TO BUY THE DURABLE LONG LIFETIME & HIGH-END FINISH
                              HYDRAULIC HAMMER SPARE PARTS AS JAPAN OR KOREA’S?

ARE YOU FINDING JAPAN/KOREA SUPPLIERS’ OFFER SO HIGH AND THINK ABOUT
                                           A BETTER ECONOMIC ALTERNATIVE?

HOW ABOUT A PERSON HELP YOU TO SOLVE ALL THE PROBLEMS AND LEAVE YOU
                                           TO SIT BACK AND RELAX?

Hi, I am Ryan, I have 8 years of international trade sales experience and now working for
HangZhou Zhongye Machinery Manufacture Co., Ltd.

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1, Stable quality in various actual fields worldwide

Our chisels have been supplied to over 70 companies of more than 30 countries
Certificate such as CE, ISO, can also be a proof of our quality.

2, Well equipped production facility.

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and spare parts which 10 years’ history Zhongye machinery factory for mid-range products.

Second NEW factory with an up-to-date production facility for high-end hydraulic breaker, chisel, and spare parts;

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you can also send us your drawing for mass customized production.
 

SOOSAN TOKU NPK GENERA HANWOO TOYO ALTAS COPCO RAMMER
FURUKAWA KRUPP MONRABERT STANELY OKANA INDECO MSB DAEMO

 

Brand Name

Below models are part of hydraulic breaker models for your refference.

Soosan SB40 SB43 SB45 SB50 SB60 SB81N SB81 SB81A SB100 SB121 SB130 SB140 SB151
Furukawa   HB20G HB30G HB40G HB8G HB10G HB5G HB15G
F19 F20 F22 F35 F70 FX47 F45 FS37 F27 FS22 F27 F12 F9 F6
Toku TNB150  TNB151 TNB14E TNB5M TNB4E TNB6E TNB7E TNB14B TNB14 TNB190 TNB230
General   GB8AT GB8T GB8F GB2T GB5T GB4T GB6T GB540E GB580E
NPK H2X NPK H4X NPK H6X NPK H-7X  NPK H-9X  NPK H-10X 
H-10XB E-12X  E210A/B NPK NPK H12XB NPK H14X NPK H20X
Daemo S2100 S2200 S2300 S3000
Krupp HM960  HM951 HM720 HM980 HM1000 HM1500
MSB MS600 Xihu (West Lake) Dis.350
Okada OUB308 OUB312 OUB316
Toyo         THBB401 THBB801 THBB1600 THBB2000
Hanwoo RHB323 RHB313 RHB305 RHB325 RHB326 RHB328 RHB330 RHB340 RHB350

3, Years of accumulated Art-Heat Treatment Technology

10 years of accumulated heat treatment technology, making the our spare parts 2 TIMES durable than most small workshops.

4, Quality Assurance

Every working procedure would influence the product quality, thus each working procedure should
sustaining testing on our production lines.  Our warranty policy could make you rest easy.

5, After-sales service

With my 8 years’ export experience, I was confident I could ensure the smooth process from order
receiving until the order arrives at your hand.

Hence, Zhongye is available to show you our product range and CZPT you in the choice of the products that best fit your needs,

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Types of Miter Gears

The different types of miter gears include Hypoid, Crown, and Spiral. To learn more, read on. In addition, you’ll learn about their differences and similarities. This article will provide an overview of the different types of miter gears. You can also choose the type that fits your needs by using the guide below. After you’ve read it, you’ll know how to use them in your project. You’ll also learn how to pair them up by hand, which is particularly useful if you’re working on a mechanical component.
gear

Bevel gears

Bevel and miter gears are both used to connect 2 shafts that have different axes. In most cases, these gears are used at right angles. The pitch cone of a bevel gear has the same shape as that of a spur gear, except the tooth profile is slightly tapered and has variable depth. The pinions of a bevel gear are normally straight, but can be curved or skew-shaped. They can also have an offset crown wheel with straight teeth relative to the axis.
In addition to their industrial applications, miter gears are found in agriculture, bottling, printing, and various industrial sectors. They are used in coal mining, oil exploration, and chemical processes. They are an important part of conveyors, elevators, kilns, and more. In fact, miter gears are often used in machine tools, like forklifts and jigsaws.
When considering which gear is right for a certain application, you’ll need to think about the application and the design goals. For example, you’ll want to know the maximum load that the gear can carry. You can use computer simulation programs to determine the exact torque required for a specific application. Miter gears are bevel gears that are geared on a single axis, not two.
To calculate the torque required for a particular application, you’ll need to know the MA of each bevel gear. Fortunately, you can now do so with CZPT. With the help of this software, you can generate 3D models of spiral bevel gears. Once you’ve created your model, you can then machine it. This can make your job much easier! And it’s fun!
In terms of manufacturing, straight bevel gears are the easiest to produce. The earliest method for this type of gear is a planer with an indexing head. Since the development of CNC machining, however, more effective manufacturing methods have been developed. These include CZPT, Revacycle, and Coniflex systems. The CZPT uses the Revacycle system. You can also use a CNC mill to manufacture spiral bevel gears.
gear

Hypoid bevel gears

When it comes to designing hypoid bevel gears for miter and other kinds of gears, there are several important parameters to consider. In order to produce high-quality gearings, the mounting distance between the gear teeth and the pinion must be within a predefined tolerance range. In other words, the mounting distance between the gear teeth and pinion must be 0.05 mm or less.
To make this possible, the hypoid bevel gearset mesh is designed to involve sliding action. The result is a quiet transmission. It also means that higher speeds are possible without increasing noise levels. In comparison, bevel gears tend to be noisy at high speeds. For these reasons, the hypoid gearset is the most efficient way to build miter gears. However, it’s important to keep in mind that hypoid gears are not for every application.
Hypoid bevel gears are analogous to spiral bevels, but they don’t have intersecting axes. Because of this, they can produce larger pinions with smooth engagement. Crown bevel gears, on the other hand, have a 90-degree pitch and parallel teeth. Their geometry and pitch is unique, and they have particular geometrical properties. There are different ways to express pitch. The diametral pitch is the number of teeth, while circumferential measurement is called the circumference.
The face-milling method is another technique used for the manufacture of hypoid and spiral bevel gears. Face-milling allows gears to be ground for high accuracy and surface finish. It also allows for the elimination of heat treatment and facilitates the creation of predesigned ease-off topographies. Face-milling increases mechanical resistance by as much as 20%. It also reduces noise levels.
The ANSI/AGMA/ISO standards for geometric dimensioning differ from the best practices for manufacturing hypoid and bevel gears. The violation of common datum surfaces leads to a number of geometrical dimensioning issues. Moreover, hypoid gears need to be designed to incorporate the base pitches of the mating pinion and the hypoid bevel gear. This is not possible without knowing the base pitch of the gear and the mating pinion.

Crown bevel gears

When choosing crown bevels for a miter gear, you will need to consider a number of factors. Specifically, you will need to know the ratio of the tooth load to the bevel gear pitch radius. This will help you choose a bevel gear that possesses the right amount of excitation and load capacity. Crown bevels are also known as helical gears, which are a combination of 2 bevel gear types.
These bevel gears differ from spiral bevels because the bevels are not intersected. This gives you the flexibility of using a larger pinion and smoother engagement. Crown bevel gears are also named for their different tooth portions: the toe, or the part of the gear closest to the bore, and the heel, or the outermost diameter. The tooth height is smaller at the toe than it is at the heel, but the height of the gear is the same at both places.
Crown bevel gears are cylindrical, with teeth that are angled at an angle. They have a 1:1 gear ratio and are used for miter gears and spur gears. Crown bevel gears have a tooth profile that is the same as spur gears but is slightly narrower at the tip, giving them superior quietness. Crown bevel gears for miter gears can be made with an offset pinion.
There are many other options available when choosing a Crown bevel gear for miter gears. The material used for the gears can vary from plastics to pre-hardened alloys. If you are concerned with the material’s strength, you can choose a pre-hardened alloy with a 32-35 Rc hardness. This alloy also has the advantage of being more durable than plastic. In addition to being stronger, crown bevel gears are also easier to lubricate.
Crown bevel gears for miter gears are similar to spiral bevels. However, they have a hyperbolic, not conical, pitch surface. The pinion is often offset above or below the center of the gear, which allows for a larger diameter. Crown bevel gears for miter gears are typically larger than hypoid gears. The hypoid gear is commonly used in automobile rear axles. They are useful when the angle of rotation is 90 degrees. And they can be used for 1:1 ratios.
gear

Spiral miter gears

Spiral bevel gears are produced by machining the face surface of the teeth. The process follows the Hertz theory of elastic contact, where the dislocations are equivalent to small significant dimensions of the contact area and the relative radii of curvature. This method assumes that the surfaces are parallel and that the strains are small. Moreover, it can reduce noise. This makes spiral bevel gears an ideal choice for high-speed applications.
The precision machining of CZPT spiral miter gears reduces backlash. They feature adjustable locking nuts that can precisely adjust the spacing between the gear teeth. The result is reduced backlash and maximum drive life. In addition, these gears are flexible enough to accommodate design changes late in the production process, reducing risk for OEMs and increasing efficiency and productivity. The advantages of spiral miter gears are outlined below.
Spiral bevel gears also have many advantages. The most obvious of these advantages is that they have large-diameter shafts. The larger shaft size allows for a larger diameter gear, but this means a larger gear housing. In turn, this reduces ground clearance, interior space, and weight. It also makes the drive axle gear larger, which reduces ground clearance and interior space. Spiral bevel gears are more efficient than spiral bevel gears, but it may be harder to find the right size for your application.
Another benefit of spiral miter gears is their small size. For the same amount of power, a spiral miter gear is smaller than a straight cut miter gear. Moreover, spiral bevel gears are less likely to bend or pit. They also have higher precision properties. They are suitable for secondary operations. Spiral miter gears are more durable than straight cut ones and can operate at higher speeds.
A key feature of spiral miter gears is their ability to resist wear and tear. Because they are constantly being deformed, they tend to crack in a way that increases their wear and tear. The result is a harder gear with a more contoured grain flow. But it is possible to restore the quality of your gear through proper maintenance. If you have a machine, it would be in your best interest to replace worn parts if they aren’t functioning as they should.

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Product Description

Company Information
HangZhou Zhongye Machinery Manufacture Co., Ltd professionally engaged in manufacturing various brand hydraulic hammers and spare parts, such as chisel, frame, piston, front head and back head, inner and outer bush, rod pin, bolts and other supporting ancillary products. Our company has perfect production equipment and test devices. The structure design of ZY series hammers is reasonable, raw material is high quality steel, equipped with advanced processing equipment, exquisite heat treatment and grinding technology. Our company is committed to hydraulic hammers development, production, marketing and related technical services. Company own more than 1 hundred of professional mechanical engineer and first-class technical engineers. They have Professional technical and experience, to provide quick and good after-sales service to our customers.
Our products have passed ISO9001SGS and CE Certificate.
Our products exported to the Southeast Asia, Middle East, America and other countries and regions. Our company has a number of distribution agents in domestic market, as well as provides quality parts for domestic brands breakers.
Product Description
HangZhou ZhongYe has been China’s leading manufacture and exporter for hydraulic breaker tools since its inception, for more information, you can visit our web: hdzhongye , Our products including: Hydraulic Breaker Hammer, Chisel, Frame, Piston, Front head and back head, Inner and outer bush, Diaphragm (membrane),     Nitrogen charging kit, Reversing Valve, Rod pin and so on others spare parts.
Steel production technology and manufacturing process:
Forging →Turnery →Heat treatment →Ultrasonic flaw
detection→ Hardness test

Features & Benefits
1. Selected raw material – high quality heavy duty wear resistant steel
2. Hydraulic-gas system, increase stability
3. High-quality and durable wear parts
4. Advanced manufacturing facilities
5. High energy and impact frequency (high performance)
6. High-performance optimized hydraulic unit
7. Low maintenance, less breakdown, long using life
Quality Control
Our hydraulic breaker hammer chisel and any other spare parts will be strictly inspected by professional quality staff before delivery
Packaging & Shipping
Package: Standard packing or as customer’s request
Delivery: 1. Delivery time: Usually 10-30ays after down payment. 
                 2. We can arrange CZPT or air transportation according to your request from any port of China.
Application & Construction
Our company has strict quality management, make sure the hammer plays lasting performance, with superior hitting power, excellent value for money, with advanced technology, to meet the customs requirements. The company produces hammers from small type to large type, with rich series, complete models. The hammer suitable for building demolition, road broken, mining, rock broken and other construction places.
 Why ZHONGYE
“High Quality, Competitive Price, Considerate service” is our guidelines, Choosing us as your supplier, you will get more than you pay. 
 
Excellent product quality
   Re: Free sample can be arranged to you, then you can witness and test it by yourself.
Competitive price
   Re: Our price to you is favorable and competitive, Hope we can cooperate for long term business!
Timely and professional reply to your inquiry
   Re: Normally we will reply to you by email within 5-8 hours, considering the time difference, 24 hours is enough!
Short delivery time
   Re: Generally, our delivery time is within 30days.
 
Please kindly leave us a message for the rock wool you need, we will reply to you very soon.

Worm Gear Motors

Worm gear motors are often preferred for quieter operation because of the smooth sliding motion of the worm shaft. Unlike gear motors with teeth, which may click as the worm turns, worm gear motors can be installed in a quiet area. In this article, we will talk about the CZPT whirling process and the various types of worms available. We’ll also discuss the benefits of worm gear motors and worm wheel.
worm shaft

worm gear

In the case of a worm gear, the axial pitch of the ring pinion of the corresponding revolving worm is equal to the circular pitch of the mating revolving pinion of the worm gear. A worm with 1 start is known as a worm with a lead. This leads to a smaller worm wheel. Worms can work in tight spaces because of their small profile.
Generally, a worm gear has high efficiency, but there are a few disadvantages. Worm gears are not recommended for high-heat applications because of their high level of rubbing. A full-fluid lubricant film and the low wear level of the gear reduce friction and wear. Worm gears also have a lower wear rate than a standard gear. The worm shaft and worm gear is also more efficient than a standard gear.
The worm gear shaft is cradled within a self-aligning bearing block that is attached to the gearbox casing. The eccentric housing has radial bearings on both ends, enabling it to engage with the worm gear wheel. The drive is transferred to the worm gear shaft through bevel gears 13A, 1 fixed at the ends of the worm gear shaft and the other in the center of the cross-shaft.

worm wheel

In a worm gearbox, the pinion or worm gear is centered between a geared cylinder and a worm shaft. The worm gear shaft is supported at either end by a radial thrust bearing. A gearbox’s cross-shaft is fixed to a suitable drive means and pivotally attached to the worm wheel. The input drive is transferred to the worm gear shaft 10 through bevel gears 13A, 1 of which is fixed to the end of the worm gear shaft and the other at the centre of the cross-shaft.
Worms and worm wheels are available in several materials. The worm wheel is made of bronze alloy, aluminum, or steel. Aluminum bronze worm wheels are a good choice for high-speed applications. Cast iron worm wheels are cheap and suitable for light loads. MC nylon worm wheels are highly wear-resistant and machinable. Aluminum bronze worm wheels are available and are good for applications with severe wear conditions.
When designing a worm wheel, it is vital to determine the correct lubricant for the worm shaft and a corresponding worm wheel. A suitable lubricant should have a kinematic viscosity of 300 mm2/s and be used for worm wheel sleeve bearings. The worm wheel and worm shaft should be properly lubricated to ensure their longevity.

Multi-start worms

A multi-start worm gear screw jack combines the benefits of multiple starts with linear output speeds. The multi-start worm shaft reduces the effects of single start worms and large ratio gears. Both types of worm gears have a reversible worm that can be reversed or stopped by hand, depending on the application. The worm gear’s self-locking ability depends on the lead angle, pressure angle, and friction coefficient.
A single-start worm has a single thread running the length of its shaft. The worm advances 1 tooth per revolution. A multi-start worm has multiple threads in each of its threads. The gear reduction on a multi-start worm is equal to the number of teeth on the gear minus the number of starts on the worm shaft. In general, a multi-start worm has 2 or 3 threads.
Worm gears can be quieter than other types of gears because the worm shaft glides rather than clicking. This makes them an excellent choice for applications where noise is a concern. Worm gears can be made of softer material, making them more noise-tolerant. In addition, they can withstand shock loads. Compared to gears with toothed teeth, worm gears have a lower noise and vibration rate.
worm shaft

CZPT whirling process

The CZPT whirling process for worm shafts raises the bar for precision gear machining in small to medium production volumes. The CZPT whirling process reduces thread rolling, increases worm quality, and offers reduced cycle times. The CZPT LWN-90 whirling machine features a steel bed, programmable force tailstock, and five-axis interpolation for increased accuracy and quality.
Its 4,000-rpm, 5-kW whirling spindle produces worms and various types of screws. Its outer diameters are up to 2.5 inches, while its length is up to 20 inches. Its dry-cutting process uses a vortex tube to deliver chilled compressed air to the cutting point. Oil is also added to the mixture. The worm shafts produced are free of undercuts, reducing the amount of machining required.
Induction hardening is a process that takes advantage of the whirling process. The induction hardening process utilizes alternating current (AC) to cause eddy currents in metallic objects. The higher the frequency, the higher the surface temperature. The electrical frequency is monitored through sensors to prevent overheating. Induction heating is programmable so that only certain parts of the worm shaft will harden.

Common tangent at an arbitrary point on both surfaces of the worm wheel

A worm gear consists of 2 helical segments with a helix angle equal to 90 degrees. This shape allows the worm to rotate with more than 1 tooth per rotation. A worm’s helix angle is usually close to 90 degrees and the body length is fairly long in the axial direction. A worm gear with a lead angle g has similar properties as a screw gear with a helix angle of 90 degrees.
The axial cross section of a worm gear is not conventionally trapezoidal. Instead, the linear part of the oblique side is replaced by cycloid curves. These curves have a common tangent near the pitch line. The worm wheel is then formed by gear cutting, resulting in a gear with 2 meshing surfaces. This worm gear can rotate at high speeds and still operate quietly.
A worm wheel with a cycloid pitch is a more efficient worm gear. It reduces friction between the worm and the gear, resulting in greater durability, improved operating efficiency, and reduced noise. This pitch line also helps the worm wheel engage more evenly and smoothly. Moreover, it prevents interference with their appearance. It also makes worm wheel and gear engagement smoother.
worm shaft

Calculation of worm shaft deflection

There are several methods for calculating worm shaft deflection, and each method has its own set of disadvantages. These commonly used methods provide good approximations but are inadequate for determining the actual worm shaft deflection. For example, these methods do not account for the geometric modifications to the worm, such as its helical winding of teeth. Furthermore, they overestimate the stiffening effect of the gearing. Hence, efficient thin worm shaft designs require other approaches.
Fortunately, several methods exist to determine the maximum worm shaft deflection. These methods use the finite element method, and include boundary conditions and parameter calculations. Here, we look at a couple of methods. The first method, DIN 3996, calculates the maximum worm shaft deflection based on the test results, while the second one, AGMA 6022, uses the root diameter of the worm as the equivalent bending diameter.
The second method focuses on the basic parameters of worm gearing. We’ll take a closer look at each. We’ll examine worm gearing teeth and the geometric factors that influence them. Commonly, the range of worm gearing teeth is 1 to four, but it can be as large as twelve. Choosing the teeth should depend on optimization requirements, including efficiency and weight. For example, if a worm gearing needs to be smaller than the previous model, then a small number of teeth will suffice.

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