Product Description

Parker Telescopic Hydraulic Dump Truck/Trailer Cylinder/Roll-Off hoist

Features                        
 ·Parker Seal Division-"Zero-leak"Sealing Package                    
 ·100,000 Yield Induction Hardened Chrome Plated Rod as Standard                                      
 ·Skived and Burnished Tubing                                    
 ·Hardened Pin-eye Bushings                                  
 ·Parker"Zero-leak" Internal Bypass Piston Design                                        
 ·Greater Rod Support  

Benefits                  
 ·Leak Free Extended Life                              
 ·More Resilient to External Damage                        
 ·Consistant Quality                            
 ·Extends Cylinder Life as Cylinder Wears                            
 ·More Efficient/Less Heat                                
 ·Resiste rod Deflection and Side Loading  
 

Part Description 
Application Dump truck,Tipping,Trailer,Underbody,Roll-off Hoist
Material of cylinder tube  45 steel,27SiMn,Carbon steel,Alloy steel and general seamless steel
Seal Hallite,SKF,NOK,Guarnitec,Parker,and other equivalent brands
Coating Hard Chrome 0.03-0.05mm
Temperature _30°C to

 


Why choose us?

Roca team takes all your concerns into consideration to suit your hydraulic cylinder requirements. We work out the best design solution for your application.

Hydraulic cylinders are the most effective and efficient method of pushing, pulling, lifting, and lowering. 

 

Nowadays hydraulic cylinders play an essential role in daily application and industry: 
√ Mining
√ Earthmoving & Construction
√ Agriculture &Forestry
√Waste Management & Material Handing
√Ship crane & offshore

 

Selecting the right cylinders for an application is critical in obtaining maximum performance and reliability. 

 

ROCA team takes all your concerns into consideration to suit your hydraulic cylinder requirements. 

 

Together, we work out the best design solution for your application. 

FAQ 
Q1.Do you have MOQ?
      Depending on different ideas, Can be negotiated. The larger the quantity is, the competitive the unit price will be.
Q2.Should the customer pay the delivery fee, How much is it?
       For the delivery fee, many samples are being requested to be sent, so we must get the delivery fee.
       If you tell me to use the appointed Express, you will give me your express account or you will pay according to the Express.
       If you do not request, I will choose a cheap one in China.
Q3.How about the after sale service?
      1) We will always keep the quality the same as the buyer's samples and if there is something with the quality, we will make compensation for our customers.
      2) We will suggest our packing and take charge in our packing, we will keep the goods safe in the delivery.
      3) We will trace the goods from the production to selling, we will solve the problems in the selling for our customers.
Q4.When can I get a price?
      We usually quote within 24 hours after we get your inquiry.
Q5: Are you a trade company or manufacturer?
      We are a professional manufacturer with our own factory.
 

Certification: RoHS, CE, ISO9001
Pressure: High Pressure
Work Temperature: High Temperature
Acting Way: Single Acting
Working Method: Rotary
Adjusted Form: Regulated Type
Customization:
Available

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forklift hydraulic cylinder

How Does a Forklift Hydraulic Cylinder Handle Variations in Temperature?

A forklift hydraulic cylinder is designed to handle variations in temperature effectively to ensure reliable and consistent performance. The hydraulic system, including the cylinder, is engineered to withstand both high and low temperatures commonly encountered in different operating environments. Here's a detailed explanation of how a forklift hydraulic cylinder handles variations in temperature:

  1. Temperature-Resistant Seals:
  2. Hydraulic cylinders in forklifts are equipped with seals that are specifically designed to withstand temperature fluctuations. These seals are made from high-quality materials such as synthetic rubber or thermoplastic elastomers that have excellent resistance to heat and cold. The temperature-resistant seals ensure proper sealing and prevent leakage of hydraulic fluid, even when exposed to extreme temperature conditions.

  3. Hydraulic Fluid Selection:
  4. The choice of hydraulic fluid plays a crucial role in temperature management within the hydraulic system, including the cylinder. Different types of hydraulic fluids are available, each with specific temperature ranges for optimal performance. Forklift manufacturers typically recommend hydraulic fluids that are suitable for the expected operating temperatures. These fluids have properties that enable them to maintain consistent viscosity and lubrication characteristics, ensuring smooth cylinder operation across a wide temperature range.

  5. Thermal Expansion Compensation:
  6. Variations in temperature cause materials to expand or contract. Hydraulic cylinders are designed to accommodate the thermal expansion of components effectively. The materials used in the cylinder construction, such as steel or aluminum alloys, have specific coefficients of thermal expansion. By considering these properties during the design and manufacturing process, forklift hydraulic cylinders are built to compensate for thermal expansion, minimizing the risk of structural damage or performance issues due to temperature changes.

  7. Heat Dissipation and Cooling:
  8. In high-temperature environments, forklift hydraulic cylinders may be exposed to heat generated by the hydraulic system or external sources. To prevent overheating, cylinders are often equipped with cooling mechanisms. These mechanisms can include cooling fins or external cooling systems that help dissipate heat and maintain the cylinder within the desired temperature range. Effective heat dissipation ensures that the hydraulic fluid retains its optimal properties and that the cylinder operates efficiently and reliably.

  9. Cold Start Considerations:
  10. In low-temperature conditions, such as during cold starts, hydraulic cylinders may experience increased viscosity of the hydraulic fluid, which can affect their performance. To mitigate this issue, forklift hydraulic systems are designed with features such as preheating systems or low-temperature hydraulic fluids. These measures help to warm up the hydraulic fluid and ensure its proper flow and lubrication, allowing the hydraulic cylinder to operate smoothly even in cold environments.

  11. Insulation and Protective Measures:
  12. In extreme temperature conditions, additional insulation or protective measures may be applied to the hydraulic cylinder and its components. Insulation materials can help maintain stable operating temperatures within the cylinder, preventing heat loss in cold environments or minimizing heat absorption in hot environments. Protective coatings or covers may also be used to shield the cylinder from external temperature fluctuations or exposure to harsh elements, ensuring its longevity and performance.

By incorporating temperature-resistant seals, selecting suitable hydraulic fluids, compensating for thermal expansion, implementing heat dissipation mechanisms, considering cold start conditions, and applying insulation or protective measures, forklift hydraulic cylinders are designed to handle variations in temperature effectively. These design considerations ensure the reliable and consistent operation of the hydraulic system, enabling forklifts to perform optimally in diverse temperature environments.

forklift hydraulic cylinder

How does a forklift hydraulic cylinder contribute to load rotation?

A forklift hydraulic cylinder plays a significant role in facilitating load rotation. The hydraulic cylinder enables the forklift to manipulate and reposition loads by providing controlled rotational movement. Here's an explanation of how the hydraulic cylinder contributes to load rotation:

The forklift hydraulic cylinder contributes to load rotation in the following ways:

1. Tilt Function:

Hydraulic cylinders are responsible for the tilt function of the forklift's mast or carriage. The hydraulic cylinder controls the tilting mechanism, allowing the forks or attachments to tilt forward or backward. By adjusting the tilt angle, the hydraulic cylinder enables the forklift to change the orientation of the load and achieve load rotation.

2. Controlled Movement:

The hydraulic cylinder provides controlled movement during load rotation. It allows the operator to adjust the speed and direction of the tilt function, ensuring smooth and precise rotation of the load. The operator can manipulate the hydraulic controls to achieve the desired rotation angle and maintain stability throughout the process.

3. Load Centering:

Hydraulic cylinders contribute to load rotation by assisting in load centering. The hydraulic system can be equipped with attachments such as rotators or clamps that are actuated by hydraulic cylinders. These attachments help secure the load and ensure it remains centered during rotation, preventing imbalances or accidents.

4. Load Manipulation:

The hydraulic cylinder allows for load manipulation during rotation. By controlling the tilt function, the hydraulic cylinder enables the forklift to precisely position the load, making it easier to place or retrieve items from specific locations. Load rotation facilitated by the hydraulic cylinder enhances the forklift's versatility and efficiency in various material handling tasks.

5. Operator Control:

Forklift hydraulic cylinders are operated by the forklift operator using hydraulic controls. The operator can adjust the tilt angle and speed of the hydraulic cylinder to achieve the desired load rotation. The hydraulic system provides the necessary responsiveness and control, allowing the operator to safely and accurately manipulate the load.

In summary, a forklift hydraulic cylinder enables load rotation through its tilt function, controlled movement, load centering capabilities, load manipulation, and operator control. The hydraulic cylinder's ability to provide controlled rotation enhances the forklift's versatility and efficiency in handling different types of loads and materials.

forklift hydraulic cylinder

How Does a Forklift Hydraulic Cylinder Handle Variations in Lift Height?

A forklift hydraulic cylinder is responsible for raising and lowering the forks or lifting platform, allowing the forklift to handle loads at different heights. It handles variations in lift height through a combination of design features and hydraulic principles. Here's a detailed explanation of how a forklift hydraulic cylinder handles variations in lift height:

1. Piston and Cylinder Design:

The hydraulic cylinder consists of a piston and a cylinder, which are sealed together to form a closed hydraulic system. The piston is connected to the forks or lifting platform, while the cylinder is fixed to the forklift frame. The design of the piston and cylinder allows for smooth movement and effective transfer of hydraulic pressure to generate lifting force.

2. Hydraulic Fluid and Pressure:

The hydraulic cylinder operates on the principle of Pascal's Law, which states that when pressure is applied to a fluid in a closed system, it is transmitted equally in all directions. In the case of a forklift hydraulic cylinder, hydraulic fluid is used as the medium to transmit pressure. When hydraulic fluid is pumped into the cylinder, it creates pressure on the piston, causing it to move upward and lift the forks or lifting platform.

3. Cross-Sectional Area and Force:

The cross-sectional area of the piston within the hydraulic cylinder determines the force that can be exerted. A larger piston area can generate a greater lifting force. By varying the diameter of the piston, forklift manufacturers can adjust the lifting capacity and handle variations in lift height. Forklifts designed for heavier loads typically have larger piston areas to generate the necessary lifting force.

4. Valves and Controls:

The hydraulic system of a forklift includes valves and controls that regulate the flow of hydraulic fluid to the cylinder. These valves, such as control valves and relief valves, allow for precise control of the lifting operation. By adjusting the valves, operators can control the speed of ascent and descent, enabling smooth and controlled variations in lift height.

5. Telescopic Cylinders:

In some forklift designs, especially those used for high-reach applications, telescopic cylinders are employed. Telescopic cylinders consist of several nested stages that extend and retract, providing increased lift height. These cylinders allow for a compact design when retracted while offering extended reach when fully extended. Telescopic cylinders enable forklifts to handle variations in lift height without compromising stability or requiring excessively long cylinder strokes.

6. Stability and Counterbalancing:

Handling variations in lift height requires maintaining forklift stability. Forklifts are designed with counterweight systems to balance the load and prevent tipping. The hydraulic cylinder's operation is coordinated with the counterweight system, ensuring that the center of gravity remains within safe limits during lifting and lowering operations. This counterbalancing helps maintain stability even when handling loads at different heights.

Through careful design, hydraulic principles, and the integration of valves and controls, a forklift hydraulic cylinder effectively handles variations in lift height. The combination of hydraulic pressure, piston and cylinder design, control mechanisms, and counterbalancing ensures precise and controlled lifting operations, allowing forklifts to safely handle loads at different heights as required in various material handling applications.

China high quality SD84cc-20-178 (Commercial / Parker) Dat Pack/Eject Cylinder   with Great quality China high quality SD84cc-20-178 (Commercial / Parker) Dat Pack/Eject Cylinder   with Great quality
editor by CX 2023-12-14