Product Description
Hydraulic Cylinder for Vertical Injection Molding Machine
Product Description:
Widely used in equipment for Engineering, Coal&mine, Agriculture and Environmental sanitation
The hydraulic oil cylinder of a vertical injection molding machine includes an oil cylinder, a piston rod, and a motor. The top of the oil cylinder is installed under a fixed plate, and the top of the piston rod is equipped with a double-layer piston embedded in the oil cylinder. The lower end of the piston rod runs through and is fixed in a movable plate, and the bottom end is equipped with a motor. The lower part of the oil cylinder is equipped with a vent hole. Both sides of the fixed plate and the movable plate are equipped with circular holes, and the 2 sides of the circular holes are connected with guide rods, And the movable board can move up and down along the direction of the guide rod.
Product Display:
Specifications:
| Item | Specifications |
| Product Name | Hydraulic Cylinder for Vertical Injection Molding Machine |
| Certificate: | CE, ISO9001 |
| Packaging | metal case;plywood case;carton or as requirement |
| MOQ | According to products |
| Brand | TJ or customer’s logo |
| Service | OEM & ODM |
| Piston Rod | Chrome or nickel plated,ground & polished piston rod |
| Seal Type | Parker,NOK, Hallite or as customer’s requirement |
| Tube | High tensile cold drawn tube, precision honed for extended seal life |
| Delivery Time | Based on order quantity. normally 30-45 days. |
| Price Advantage | Competitive factory price with guaranteed quality |
| Business Type | Manufacturer & Exporter |
Mounting Method:
Our Factory:
Inspection Process:
| Inspection Type | Inspection Standard |
| Raw Material Inspection | Before storage, QC takes the measurement of the raw materials. |
| Process Material Inspection | During the production, QCs conduct a random inspection. Before the hydraulic cylinder parts transferred to the next process, QCs takes inspection. |
| Final Function Testing | All the hydraulic cylinders take hydraulic function test |
Packing & Delivery:
Appliactions:
Application:Vertical Injection Molding Machine
About US:
ZheJiang Tianjian Hydraulic Technology Co., Ltd. is specializing in the production of various types of hydraulic cylinders as well as cylinder barrel, piston cylinder and other cylinder accessories.
As a highly specialized manufacturer of hydraulic cylinders, TJ provides design optimization solutions and reliable products to many customers at home and abroad. No matter in construction machinery, railway bridge machinery, port ship machinery, metallurgy and mining machinery, oil and light industry machinery, special vehicles and other industries, TJ can provide various standard and non-standard hydraulic cylinder design optimization schemes and products according to users’ requirements, and provide integrated services for perfection and quality.
If possible, when contact with us, please apply information as below
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Bore |
Rod |
Stroke |
Work Pressure |
Mounting |
Work environment |
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Or you can offer us your sketch diagram or photos so that we could understand you exactly meaning, help us avoid mistakes.
And if you have samples, we can manufacture according to your samples after sending to us.
Welcome to our factory if you have any time.
Your satisfaction is our biggest motivation.
Now, you can contact with us for any question or inquiry.
FAQ:
1, What does your company do?
A: we are a supplier of high quality hydraulic products including Hydraulic Cylinder, Hydraulic Motor, Hydraulic Power Pack, Hydraulic station and other Hydraulic components.
2, Are you a manufacture or a trading company?
A: We are a manufacturer.
3, What certificate do you have?
A: All our factories are ISO certificated. And our main suppliers of materials and parts are with CE, RoHS, CSA and UL certificates.
4, How long is your delivery time?
A: The delivery time depends on different products and quantity. The cylinder usually need about 45-60 days and the Motor need about 20-30 days.
5, Can you make parts as customer’s requirement or drawing?
A: Yes, we can OEM for you as your drawings. Our engineer also can give you professional support for technical suggestions.
6, What kind of payment terms do you accept?
A: We prefer T/T through bank. 30% when order is confirmed and 70% before shipment. L/C is also acceptable for amount over 20,000USD.
7, What is your warranty policy?
A: All our products are warranted for 1 full year from date of delivery against defects in materials and workmanship. This warranty does not cover parts that are worn out through the course of normal operation or are damaged through negligence. We serious remind that unclean hydraulic oil will definitely cause damage to your Hydraulic components. And this damage is not included in the warranty range. So we strongly suggest you to use new clean oil or make sure the system oil are clean when using our parts
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| Certification: | GS, RoHS, CE, ISO9001 |
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| Pressure: | Medium Pressure |
| Work Temperature: | High Temperature |
| Acting Way: | Double Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Regulated Type |
| Samples: |
US$ 4000/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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How does a lift cylinder handle variations in fluid pressure and flow rate?
A lift cylinder is designed to handle variations in fluid pressure and flow rate in order to ensure smooth and controlled operation. Here’s an explanation of how lift cylinders handle these variations:
1. Fluid Pressure:
Lift cylinders are typically part of a hydraulic system that utilizes pressurized fluid to generate the necessary force for lifting. The lift cylinder is designed to withstand varying fluid pressure levels. When the fluid pressure is increased, the lift cylinder can handle the additional force exerted on its piston. Conversely, when the fluid pressure decreases, the lift cylinder adjusts accordingly and maintains its functionality.
2. Flow Rate:
The flow rate of hydraulic fluid determines the speed at which the lift cylinder extends or retracts. Lift cylinders are designed to accommodate variations in flow rate. By controlling the flow rate of the hydraulic fluid through the use of control valves or flow control devices, operators can adjust the speed of the lift cylinder’s movement. This allows for precise and controlled lifting operations.
3. Control Valves:
Control valves are an integral part of the hydraulic system that regulates the fluid pressure and flow rate. Lift cylinders are often equipped with control valves that enable operators to control the movement of the cylinder by adjusting the pressure and flow of the hydraulic fluid. These valves can be manually operated or automated, providing flexibility in handling variations in fluid pressure and flow rate.
4. Cylinder Design:
Lift cylinders are designed to be robust and durable, capable of withstanding variations in fluid pressure and flow rate. The cylinder’s construction and materials are selected to ensure optimal performance under different operating conditions. Seals and other components within the lift cylinder are designed to maintain their functionality and prevent leakage, even when subjected to changes in fluid pressure and flow rate.
5. Fluid Control Systems:
In more advanced lift cylinder systems, fluid control systems may be employed to handle variations in fluid pressure and flow rate. These systems can include pressure relief valves, flow control valves, or proportional valves. Pressure relief valves protect the lift cylinder and the hydraulic system from excessive pressure, while flow control valves regulate the flow rate of the hydraulic fluid. Proportional valves provide precise control over both pressure and flow, allowing for fine-tuning of the lift cylinder’s movement.
In summary, lift cylinders are designed to handle variations in fluid pressure and flow rate to ensure smooth and controlled lifting operations. With the use of control valves, robust cylinder design, and fluid control systems, lift cylinders can adapt to changes in fluid pressure and flow rate, providing reliable and efficient performance.

Can Lift Cylinders Be Used in Lifting and Lowering Platforms for Accessibility?
Yes, lift cylinders can be used in lifting and lowering platforms to provide accessibility for individuals with mobility challenges. These cylinders play a crucial role in the operation of accessibility platforms, such as wheelchair lifts, vertical platform lifts, or scissor lifts. Here’s a detailed explanation of how lift cylinders can be used in lifting and lowering platforms for accessibility:
- Lifting Mechanism:
- Smooth and Controlled Movement:
- Weight Capacity:
- Space Optimization:
- Reliability and Durability:
- Integration with Safety Features:
Lift cylinders serve as the primary lifting mechanism in accessibility platforms. These platforms are designed to raise or lower individuals, including wheelchair users, to different heights, allowing them to access elevated areas or overcome vertical barriers. Lift cylinders are typically integrated into the platform structure and connected to a hydraulic or pneumatic system. When activated, the cylinders extend or retract, lifting or lowering the platform in a controlled manner.
Lift cylinders ensure smooth and controlled movement of the accessibility platform during the lifting and lowering process. The cylinders are designed to provide precise and gradual motion, allowing for safe and comfortable vertical transportation. They can be equipped with features such as flow control valves or adjustable dampening to regulate the speed and prevent abrupt movements. Lift cylinders enable individuals to transition between different levels smoothly and securely.
Accessibility platforms need to support the weight of individuals using them, including wheelchair users and their mobility devices. Lift cylinders are manufactured with varying weight capacities to accommodate different load requirements. The cylinders are designed to withstand the vertical forces exerted on the platform and ensure stability and safety during operation. Lift cylinder specifications, such as bore size, rod diameter, and material strength, are carefully selected to match the intended weight capacity of the accessibility platform.
Lift cylinders contribute to space optimization in accessibility platforms. These cylinders are compact and can be integrated within the platform structure, minimizing the need for additional space or external lifting mechanisms. The compact design of lift cylinders allows for efficient utilization of the available platform area, ensuring that the platform can be installed in various settings, including tight spaces or existing structures where space is limited.
Lift cylinders are engineered for reliability and durability to meet the demanding requirements of accessibility platforms. They are designed to withstand frequent usage, heavy loads, and harsh operating conditions. Lift cylinders undergo rigorous testing and quality control measures to ensure their performance and longevity. Manufacturers often provide warranties and maintenance guidelines to support the long-term reliability and safety of lift cylinders used in lifting and lowering platforms.
Accessibility platforms incorporate various safety features to protect users during vertical transportation. Lift cylinders can be integrated with these safety features to enhance the overall system. For example, pressure relief valves can be installed in the hydraulic system to prevent excessive force in case of a malfunction or overload. Additionally, safety sensors, emergency stop buttons, and interlocks can be connected to the lift cylinder system to provide additional layers of safety and control.
Lift cylinders are essential components in lifting and lowering platforms for accessibility. Their role in providing the lifting mechanism, ensuring smooth and controlled movement, accommodating weight capacity, optimizing space, and contributing to reliability and safety makes them a valuable choice for creating inclusive environments and improving accessibility for individuals with mobility challenges.

How does a lift cylinder handle variations in lift height?
A lift cylinder is designed to handle variations in lift height by utilizing its extendable and retractable piston rod. Here’s an explanation of how a lift cylinder handles variations in lift height:
When a lift cylinder is activated, hydraulic fluid is directed into the cylinder chamber, creating pressure that extends the piston rod. As the piston rod extends, it pushes against the load, lifting it to the desired height.
When there are variations in lift height, the lift cylinder adjusts accordingly by controlling the extension and retraction of the piston rod. Here’s how it works:
1. Extending the Piston Rod:
When the lift height needs to increase, the lift cylinder extends the piston rod further. This extension is achieved by increasing the flow of hydraulic fluid into the cylinder chamber. The increased fluid pressure pushes the piston and rod assembly, extending the rod and lifting the load to the required height.
2. Retracting the Piston Rod:
Conversely, when the lift height needs to decrease, the lift cylinder retracts the piston rod. This retraction is achieved by reducing the flow of hydraulic fluid into the cylinder chamber. The decreased fluid pressure allows the piston and rod assembly to retract, lowering the load to the desired height.
3. Precise Control and Positioning:
Lift cylinders are equipped with valves and control mechanisms that allow for precise control and positioning of the piston rod. By regulating the flow of hydraulic fluid and adjusting the pressure, the lift cylinder can achieve accurate and controlled movements, enabling it to handle variations in lift height with precision.
4. Adjustable Stroke Length:
Some lift cylinders have an adjustable stroke length, which refers to the distance the piston rod can travel within the cylinder barrel. By customizing the stroke length, the lift cylinder can accommodate different variations in lift height. The stroke length can be modified by adjusting the cylinder’s dimensions or incorporating additional components.
5. Integration with Control Systems:
Advanced lift cylinder systems can be integrated with control systems, such as electronic controls or programmable logic controllers (PLCs), to automate and optimize lift height adjustments. These control systems can monitor and adjust the lift cylinder’s movements based on predetermined parameters or feedback from sensors, ensuring precise and consistent lift height control.
In summary, a lift cylinder handles variations in lift height by extending or retracting the piston rod, controlling the flow and pressure of hydraulic fluid, achieving precise control and positioning, utilizing adjustable stroke length, and integrating with control systems. These capabilities enable the lift cylinder to adapt to different lift height requirements and provide accurate and controlled lifting operations.


editor by Dream 2024-05-14