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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Can lift cylinders be used in dock levelers and loading ramps?
Yes, lift cylinders can be used in dock levelers and loading ramps. Here’s an explanation of their utilization in these applications:
Dock levelers and loading ramps are essential equipment in logistics and transportation facilities, allowing for efficient loading and unloading of goods between trucks and loading docks. Lift cylinders play a crucial role in these systems by providing the necessary lifting and positioning capabilities.
In dock levelers, lift cylinders are employed to bridge the gap between the loading dock and the truck bed, ensuring a smooth transition for material handling equipment such as forklifts or pallet jacks. These cylinders are typically integrated into the mechanical or hydraulic systems of the dock leveler, allowing for controlled vertical movement. By extending or retracting the lift cylinders, the dock leveler can be adjusted to match the height of the truck bed, enabling safe and efficient loading or unloading of cargo.
Loading ramps, also known as mobile yard ramps or portable ramps, are used in situations where a permanent loading dock is not available or when additional flexibility is required. Lift cylinders are utilized in loading ramps to provide the means for height adjustment and inclination control. By extending or retracting the lift cylinders, the ramp can be raised or lowered to align with the truck bed height, facilitating the movement of goods between the ramp and the truck.
The use of lift cylinders in dock levelers and loading ramps ensures precise and controlled positioning during the loading and unloading process. Operators can adjust the lift cylinders to match the specific height requirements, allowing for smooth and safe transfer of materials without causing damage to the goods or the equipment.
Lift cylinders used in dock levelers and loading ramps are designed to withstand heavy loads and endure frequent use. They are constructed with robust materials and incorporate features such as seals and bearings to ensure durability and reliability in demanding industrial environments.
Furthermore, lift cylinders in dock levelers and loading ramps may incorporate safety features such as automatic descent control or velocity fuses. These safety mechanisms help prevent sudden drops or uncontrolled movements in the event of a hydraulic system failure, enhancing the overall safety of the loading and unloading operations.
In summary, lift cylinders are commonly utilized in dock levelers and loading ramps to provide reliable and controlled lifting and positioning capabilities. Their ability to handle heavy loads, facilitate height adjustment, and incorporate safety features makes them integral components in these applications, contributing to efficient and safe material handling operations.

Can lift cylinders be used in hydraulic presses for material forming?
Yes, lift cylinders can be used in hydraulic presses for material forming. Hydraulic presses are widely employed in manufacturing processes that involve shaping, bending, or compressing materials such as metal, plastic, or rubber.
Lift cylinders, also known as hydraulic cylinders, play a crucial role in hydraulic presses by providing the force required for material forming. Here’s how lift cylinders are utilized in this context:
- Force Generation: Lift cylinders are responsible for generating the force necessary to exert pressure on the material being formed. They convert hydraulic energy into mechanical force, enabling the press to shape or mold the material according to the desired specifications.
- Stroke Length: Lift cylinders have an adjustable stroke length, allowing them to accommodate different material forming requirements. By modifying the stroke length, the press can apply varying degrees of force and control to achieve the desired shape and dimensions of the formed material.
- Control and Precision: Lift cylinders offer precise control over the force and movement in hydraulic presses. The hydraulic system controlling the cylinders allows for accurate adjustment and regulation of the pressure, speed, and timing of the forming process. This control ensures consistent and precise material forming results.
- Die Mounting: Lift cylinders are employed in the mounting of dies or tooling within the hydraulic press. The cylinders provide the necessary lifting and lowering action to secure the dies in place and facilitate their proper alignment with the material being formed. This ensures accurate and repeatable forming operations.
- Safety Features: Hydraulic presses incorporating lift cylinders often include safety features such as pressure relief valves, emergency stop controls, and overload protection. These features help safeguard operators and prevent damage to the press or the formed material.
The use of lift cylinders in hydraulic presses for material forming offers several advantages. They provide the high force capability required for effective shaping and forming of various materials. The adjustable stroke length and precise control allow for versatility and customization, accommodating different forming needs. The integration of safety features ensures safe operation and protects both the equipment and personnel.
In conclusion, lift cylinders are suitable for use in hydraulic presses for material forming. Their ability to generate force, adjust stroke length, and provide precise control makes them essential components in achieving accurate, efficient, and reliable material forming processes.

Can lift cylinders be repaired or replaced when damaged?
Yes, lift cylinders can be repaired or replaced when they are damaged. Here’s an explanation of the options for repairing or replacing lift cylinders:
1. Repair:
If a lift cylinder sustains damage, it is often possible to repair it. The extent of the damage and the specific components affected will determine the repair process. Common repairs may involve replacing seals, gaskets, or damaged hydraulic lines. In some cases, the cylinder may need to be disassembled, cleaned, and reassembled with new parts.
Repairing a lift cylinder typically requires expertise in hydraulic systems and cylinder repair. It is recommended to consult qualified professionals or authorized service centers to ensure proper diagnosis and repair procedures.
2. Replacement of Components:
If specific components within the lift cylinder are damaged or worn out, it may be possible to replace those components individually. This can include replacing the piston, rod, seals, or other internal parts. By replacing only the affected components, the cylinder can be restored to proper working condition without replacing the entire unit.
Replacement of components should be done with compatible parts that meet the manufacturer’s specifications. It may be necessary to consult the manufacturer’s documentation or seek guidance from authorized distributors or service centers to ensure proper component selection and installation.
3. Replacement of the Entire Cylinder:
In cases where the lift cylinder is severely damaged or if repairing or replacing individual components is not practical or cost-effective, it may be necessary to replace the entire cylinder. This involves removing the damaged cylinder and installing a new one that matches the specifications and requirements of the lifting equipment.
When replacing the entire cylinder, it is important to ensure compatibility with the equipment, including load capacity, mounting options, stroke length, and other specifications. The new cylinder should be selected based on the equipment’s requirements and the recommendations of the manufacturer or qualified experts.
4. Professional Assistance:
Repairing or replacing lift cylinders can be complex, especially when dealing with hydraulic systems and precise components. It is recommended to seek professional assistance from qualified technicians or authorized service centers. They have the knowledge, experience, and tools to properly diagnose, repair, or replace lift cylinders, ensuring the safety and optimal performance of the lifting equipment.
In summary, lift cylinders can be repaired or replaced when damaged. Repair options may involve replacing seals or damaged components, while component replacement allows for targeted repairs. In severe cases or when individual repairs are not feasible, the entire cylinder may need to be replaced. Professional assistance is recommended to ensure proper diagnosis, repair procedures, or component selection for the repair or replacement of lift cylinders.


editor by CX 2024-04-03