Tag Archives: hydraulic rock breaker

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

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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 China OEM Factory Manufacturer for High Quality Hydraulic Breaker Main Body Front Head Back Head Cylinder Assy for Rock Breaker Hb20g Hb30g Sb70 Sb81 Sb121 custom hydraulic cylinders

Product Description

Company Introduction:

Company license,certificates,exhibition photos and customers feedbacks:

Production process:

Popular models for world market:

Breaker Parameter:

 Products photos:

product-list-1.html product-list-1.html

WARRANTY: ONE YEAR

Welcome to inquiry and please contact us freely!
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US $400-10,000
/ Set
|
1 Set

(Min. Order)

###

After-sales Service: with Warranty
Warranty: One Year
Type: Hydraulic Breaker Spare Parts
Application: Excavator
Condition: New
Material: Special Alloy Steel

###

Samples:
US$ 500/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:
US $400-10,000
/ Set
|
1 Set

(Min. Order)

###

After-sales Service: with Warranty
Warranty: One Year
Type: Hydraulic Breaker Spare Parts
Application: Excavator
Condition: New
Material: Special Alloy Steel

###

Samples:
US$ 500/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

Types of Hydraulic Cylinders

Besides being used for construction and manufacturing machinery, hydraulic cylinders are also used in elevators and vehicles. In fact, the use of hydraulic cylinders has become increasingly common in the recent years.hydraulic cylinders

Single-acting cylinders

Unlike double-acting hydraulic cylinders, single-acting hydraulic cylinders are less complex and are easy to install and maintain. They are also more efficient and compact. They can also be used in applications that require only one direction of motion. They are also useful in applications where space is limited, such as in a small industrial or commercial setup.
Single-acting hydraulic cylinders are usually used for simple lifting and positioning jobs. They also are useful for clamping and diagnostic instrumentation. They are cheap to manufacture and are very easy to install. They are also easy to maintain, which makes them ideal for rugged equipment.
Single-acting hydraulic cylinders are used in a variety of applications, including pumps, internal combustion engines, diagnostic instrumentation, and positioning. They have advantages and disadvantages, but they are an ideal solution for many applications.
Single-acting cylinders typically have one port, and a spring is used to force the piston into its position. The spring then retracts the piston into its previous position. This process can become irregular over time. The spring also requires venting, and can allow foreign particles to enter the cylinder.
A single-acting cylinder can also be retracted by gravity. This is called a spring return cylinder. Some single-acting cylinders have a second piston to forcefully retract the piston into its original position. This can be a problematic operation. The result can be uneven strokes.
Generally, single-acting hydraulic cylinders are not as powerful as double-acting hydraulic cylinders. They require less air, which can boost efficiency. However, their size can be a drawback. They are also susceptible to particles entering the cylinder, which can cause slow performance decline and malfunctions.
Single-acting hydraulic cylinders are ideal for applications with space constraints. They are also useful for compact operations and light assembly. They also save on piping costs. They are suitable for industrial applications such as tow trucks and bulldozers. They are also used in commercial and light industrial applications.
Single-acting hydraulic cylinders are simple to use, but may not provide the same power as double-acting cylinders. They may be less durable, and can also be subject to wear and tear, particularly in the area of retraction.

Welded body cylinders

Compared to other types of cylinders, welded body hydraulic cylinders are more compact in size and less prone to wear and tear. This type of cylinder is commonly used in construction and heavy equipment applications. These cylinders are designed for rugged environments. They are typically used in oil rigs, large off-road vehicles, and cranes.
They have less sharp corners and are easier to customize than other types of cylinders. They are also less expensive to manufacture. In addition, they can be manufactured in a variety of different materials. They are available in different lengths and thicknesses. They are also able to be fabricated using CNC turret punching and MIG welding methods. They are also available in different configurations.
They also have heavy-duty piston seals that provide consistent performance in heavy-load applications. They are also able to be used in applications with large temperature swings. They are also resistant to corrosion.
Welded body hydraulic cylinders are commonly used in mobile machinery applications. This makes them highly versatile and able to fit into tight spaces. They are also used in material handling and lift truck applications. These hydraulic cylinders are also more durable than tie rod type cylinders, which means they are less likely to fail.
They are also available in a variety of different metals. They are also available in rolled or pressed formed shapes. They can be used in press braking, shearing, and rolling structural steel. They are also available in oil and gas applications. They are also available in a variety of sizes from 3 to 169 inches in diameter.
These cylinders are designed to be durable and versatile. They are also designed to accommodate multi-stage adjustable cylinders. They are also able to accommodate custom provisions and are designed to fit into tighter machinery designs. They are also able to be manufactured in a variety of different materials, including high-strength low-alloy steel, 300 and 400 grade stainless steel, and Hastelloy(r) alloys.
They also have a smooth exterior surface. This means there are fewer sharp corners and places where moisture and dirt can settle. The cylinders also have a high level of precision tolerance, ensuring that they can handle high pressures without the metal flexing or sagging.hydraulic cylinders

Tandem cylinders

Often used in heavy industrial applications, tandem hydraulic cylinders are an important part of maintaining the functionality of heavy industrial machinery. Unlike a single cylinder, a tandem cylinder produces twice as much force. They are widely used in barges, cranes, elevated work platforms, fork lift trucks, and a number of other industrial applications.
Hydraulic cylinders are a form of power transfer system that operates on the same principle as pneumatic systems. This allows for infinitely variable force. They are also designed with locking safety mechanisms to prevent accidental damage. They are available in various materials for different applications.
Hydraulic cylinders work by using a piston rod that is thrust through an open gland at one end of the cylinder. This piston rod is then retracted when pressurised fluid bursts out of the cylinder. Its position is controlled by a seal and steel ring. These materials have been used in a variety of industries such as forestry, construction technology, and aircraft development.
Tandem hydraulic cylinders are also used in agricultural equipment such as crop sprayers. They are also used in heavy industrial machinery such as mining equipment.
These cylinders are manufactured by a number of companies including Eaton Corporation, Bosch Rexroth AG, and Caterpillar Inc. In addition, they can be customized to fit your specifications. They are also available in custom air cylinders with a minimum base material of 50,000 psi and a yield of 100,000.
There are a number of types of tandem cylinders. They can be differentiated into non-differential, double rod, balanced, cushioned, and spring return.
Cylinders in tandem typically have two chambers that are the same size. The first chamber is connected to the second cylinder by a port. The second chamber is operated by oil that is ejected from the first cylinder. This ensures that the next steering movements do not occur before the primary piston has completed its stroke.
Tandem hydraulic cylinders are easy to install and are designed to be extremely versatile. They are also extremely reliable. Pacoma is a leading provider of double acting cylinders that stand up to intense pressures. Its cylinders are designed with a solid construction and high-quality components.hydraulic cylinders

Cushioned cylinders

Typically, cushioned hydraulic cylinders are used in manufacturing equipment. They are used to reduce shock waves in the hydraulic circuit, to improve productivity and to reduce maintenance costs. They are also widely used in automobiles.
These cylinders feature a limiting device on the piston head. This device reduces excess load at the end of the outward stroke, which decreases the piston’s speed and vibration. This reduces the total working cycle time and increases productivity.
Cushioned hydraulic cylinders are made using a variety of techniques. Some are used to reduce shock waves and others are used to limit impact forces. However, these techniques do not allow for precise control over the amount of cushioning. This can lead to improper adjustment and reduced performance.
These techniques may require regular maintenance. Cushioning readjustment is often required when changing operating conditions. This can have a significant impact on a machine’s performance. For this reason, it is important to have regular preventive maintenance.
The cushioning of a cylinder is controlled through a series of valves. Each valve is located at a different point on the cylinder. This allows for an optimal cylinder adjustment that reduces oscillations and improves total working cycle time. It can also help to save energy and maintain a quiet working environment.
There are two basic types of cushioned hydraulic cylinders. The first is a spear-type design. This type of cushioning includes a sleeve or spear that enters and exits a concentric pocket. These cylinders require space in the end cap.
Another type of cushioned hydraulic cylinder is a welded cylinder. This cylinder has a piston rod ring that forms an annular restriction when the piston rod is axially moved into engagement with land. The area of the annular restriction increases as the piston moves closer to the head of the cylinder. When the piston moves in the opposite direction, the ring bypasses the annular restriction and the hydraulic fluid enters the cylinder.
When designing a hydraulic cylinder, it is important to consider the amount of cylinder pressure. This is a critical factor for selecting seals and tube wall thickness.
China China OEM Factory Manufacturer for High Quality Hydraulic Breaker Main Body Front Head Back Head Cylinder Assy for Rock Breaker Hb20g Hb30g Sb70 Sb81 Sb121     custom hydraulic cylindersChina China OEM Factory Manufacturer for High Quality Hydraulic Breaker Main Body Front Head Back Head Cylinder Assy for Rock Breaker Hb20g Hb30g Sb70 Sb81 Sb121     custom hydraulic cylinders
editor by czh 2022-11-28