Product Description
This hydraulic cylinder is specially designed for small excavators.
For seals, it adopts the products of world famous brand such as NOK. This cylinder has the characteristics of compact structure and high reliability.
| Model | Bore Diameter (mm) |
Rod Diameter (mm) |
Stroke (mm) |
Nominal Pressure (bar) |
| HYW110/55-720*1095A-00 | 110 | 55 | 720 | 245 |
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| Certification: | ISO9001 |
|---|---|
| Pressure: | High Pressure |
| Work Temperature: | Normal Temperature |
| Acting Way: | Double Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Regulated Type |
| Customization: |
Available
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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:
- Temperature-Resistant Seals:
- Hydraulic Fluid Selection:
- Thermal Expansion Compensation:
- Heat Dissipation and Cooling:
- Cold Start Considerations:
- Insulation and Protective Measures:
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.
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.
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.
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.
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.
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.

Can hydraulic cylinders be used in multi-directional forklifts?
Yes, hydraulic cylinders can be used in multi-directional forklifts. Multi-directional forklifts, also known as multidirectional reach trucks or side loaders, are specialized forklifts designed to maneuver and transport loads in multiple directions, including sideways. Hydraulic cylinders play a crucial role in the operation of these unique forklifts. Here’s an explanation of how hydraulic cylinders are used in multi-directional forklifts:
Hydraulic cylinders are utilized in multi-directional forklifts in the following ways:
1. Mast Movement:
Similar to conventional forklifts, hydraulic cylinders are used to control the vertical movement of the mast in multi-directional forklifts. The mast can be raised or lowered using hydraulic power, allowing the forklift to reach different heights for loading and unloading operations.
2. Fork Movement:
In addition to vertical movement, hydraulic cylinders are responsible for controlling the horizontal movement of the forks in multi-directional forklifts. These cylinders enable the forks to extend or retract, allowing for the adjustment of the fork width to accommodate various load sizes.
3. Side Shifting:
Hydraulic cylinders are used for side shifting functions in multi-directional forklifts. Side shifting allows the entire mast and forks assembly to move laterally, enabling the forklift to position the load precisely without having to reposition the entire vehicle. This feature is particularly useful in narrow aisles or tight spaces.
4. Rotational Movement:
Multi-directional forklifts are designed to rotate the entire mast and load-carrying assembly to allow for sideways movement. Hydraulic cylinders are employed to enable the rotational movement of the mast, allowing the forklift to transport loads in different directions, including perpendicular to the traditional forward and reverse movements.
5. Control and Stability:
Hydraulic cylinders provide the necessary control and stability for multi-directional forklifts. The operator can use hydraulic controls to adjust the movement of the mast, forks, and side-shift functions. The hydraulic system ensures smooth and precise operation, enhancing the forklift’s maneuverability and load-handling capabilities.
In summary, hydraulic cylinders are essential components of multi-directional forklifts, enabling mast and fork movement, side shifting, rotational movement, and providing control and stability. These cylinders allow the forklifts to maneuver efficiently in various directions, making them well-suited for applications that require versatile movement and precise load positioning.

What is a forklift hydraulic cylinder and how does it work?
A forklift hydraulic cylinder is a crucial component in the hydraulic system of a forklift. It is responsible for generating the force required to lift and lower the load. Here’s a detailed explanation of its function and operation:
Function:
A forklift hydraulic cylinder is designed to convert hydraulic pressure into linear force. It consists of a cylindrical barrel, a piston, piston rod, seals, and ports for hydraulic fluid entry and exit. The cylinder is usually mounted vertically within the forklift’s mast assembly.
Operation:
The hydraulic cylinder operates based on the principle of Pascal’s law, which states that when pressure is applied to a fluid in an enclosed system, the pressure is transmitted equally in all directions.
When the operator activates the forklift’s hydraulic control, hydraulic fluid (usually oil) is pressurized and directed into the cylinder through the inlet port. The pressurized fluid enters one side of the cylinder, pushing the piston and piston rod upwards.
As the piston rod extends, it applies force to the load-bearing structure of the forklift, such as the mast or the lifting mechanism. This force enables the forklift to lift heavy loads to the desired height.
Conversely, when the operator releases the hydraulic control, the hydraulic fluid is allowed to exit the cylinder through the outlet port. The fluid flows back into the hydraulic reservoir, and the weight of the load or a counterbalance system helps lower the piston and piston rod.
The hydraulic cylinder’s movement is controlled by the operator through the forklift’s hydraulic control system, which regulates the flow of hydraulic fluid into and out of the cylinder. By adjusting the flow rate and direction, the operator can control the speed and direction of the cylinder’s extension and retraction.
The seals within the hydraulic cylinder prevent fluid leakage and ensure efficient operation. They help maintain the pressure inside the cylinder, allowing the hydraulic system to generate the necessary force consistently.
In summary, a forklift hydraulic cylinder is a hydraulic device that converts hydraulic pressure into linear force. It operates based on Pascal’s law, using pressurized hydraulic fluid to extend and retract the piston rod, enabling the forklift to lift and lower heavy loads.


editor by CX 2024-02-12