Product Description
China factory supply long stroke multi stages lift kits CHINAMFG hollow Telescopic Hydraulic Cylinder for dump truck
Product Description
THE NORTH AMERICAN TYPE FRONT-END TELESCOPIC CYLINDERS
Thin-wall cylinders
1.The North American advanced processing technology is adopted to ensure the stable performance.
2.High quality alloy seamless steel pipe are adopted to keep big lifting capacity and light weight;
3.The application of imperial size makes it easy to replace the seals and other accessories;
4.Superior chrome-plating technology improves the corrosion resistance and hardness of cylinders;
5.The world famous brands of seals such as HALLITE, CHINAMFG and NOK ensure the sealing performance;
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Front end telescopic cylinder scope |
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Bore size |
90mm-220mm |
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Stage |
2-6 stages |
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Stroke |
Maximum 12000mm(450″) |
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Working pressure |
Maximum 210bar(3000PSI) |
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Mounting style |
CC, DC, DB |
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Painting |
Follow customers’ requirement |
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Materials and technology |
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Barrel/Tube |
1. Material: SAE1571(20#) , SAE1045(45#) ,16Mn(Q345B),27SiMn,etc. 2. Technology: cold drawn ,hot rolled,forged 3. Surface Roughness: R0.16-0.32μm 4. Choose by different working condition and requirements.
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Piston rod |
1. Material: SAE1045(45#),35CrMo,42CrMo4,etc. 3. Surface treatment: chrome plated, nickel-chromium plated, nitriding, nitrocarburizing |
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Seal kits |
1. Hallite, NOK, Parker, Hercules,Trelleborg,China made,ZheJiang made 2. Choose by different working condition and requirements. |
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Company Profile
JUNRUI specialize in the production and R&D of Dump Truck&Trailer Telescopic Hydraulic Cylinder, Dump Truck Hydraulic System,Agricultural Machinery Hydraulic Cylinder, Garbage Truck Hydraulic Cylinder, Tipping Platform Hydraulic Cylinder,
Snow Plow Hydraulic Cylinder and so on.
Over the years development,our products have been exported to America, Australia, Russia, Canada, Mexico,Colombia,
Netherlands etc and have been widely praised by the customers from home and abroad.
We are committed to providing customers with high quality and reasonable price products.
All Junrui products are designed,engineered and manufactured by highly skilled and experienced engineers,
All the products do QC 3 times before delivery to make sure the quality.
We are committed to providing customers with high quality and reasonable price products. All Junrui products are designed,
engineered and manufactured by highly skilled and experienced engineers, All the products do QC 3 times before delivery to
make sure the quality. The company has imported CNC deep hole boring machines, CNC laser cutting machines, CNC machining
centers, CNC cleaning machines, automatic assembly lines for hydraulic cylinders, robot welding stations, automatic welding
machines and other precision processing equipment, over 200 sets. After years of development, JUNRUI Hydraulic has developed
into an enterprise with complete hardware facilities, sophisticated processing equipment, strong technical force, and good social
benefits. For the stable development of your main business, we look CHINAMFG to cooperating with you.
PRODUCTION PROCESS
Equipment
Packaging & Shipping
Certifications
Exhibition
Application
Q1: Are you a trading company or a manufacturer?
A: We have our own factory.
Q2: Are you able to make Non-standard or customized products?
A: Yes, we can.
Q3: How long is your delivery time?
A: Normally, the delivery time is 7 days if we have stock, 15-30 working days if we don’t. but it also depends on the product
requirements and quantity.
Q4: Do you provide samples? are the samples free or not?
A: Yes, we can provide samples.
Q5: What are your payment terms?
A: 30% deposit T/T or Irrevocable L/C at sight, If you have any questions, please feel free to contact us.
Q6: What are your After-sales services?
A: Before shipment, Each individual product will be strictly inspected on our factory QC Process System. In addition, We have a
Customer Service team to respond to customers’ questions within 12 hours. Being helpful in solving customers’ problems is always
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| Certification: | GS, CE, ISO9001 |
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| Pressure: | Medium Pressure |
| Work Temperature: | Normal Temperature |
| Acting Way: | Single Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Regulated Type |
| Samples: |
US$ 500/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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How does a lift cylinder handle variations in cylinder size and capacity?
A lift cylinder is designed to handle variations in cylinder size and capacity to accommodate different lifting requirements. Here’s an explanation of how lift cylinders handle these variations:
1. Size and Dimensions:
Lift cylinders come in various sizes and dimensions to suit different applications. The cylinder size refers to its overall dimensions, such as the diameter and length of the cylinder body. Lift cylinders can be manufactured in a range of sizes, allowing for flexibility in selecting the appropriate cylinder size based on the specific lifting needs. Larger cylinders are capable of generating greater lifting force, while smaller cylinders are more compact and suitable for applications with limited space.
2. Capacity and Load Rating:
The capacity of a lift cylinder refers to the maximum load it can lift safely. Lift cylinders are rated for specific load capacities, and it is important to select a cylinder with a suitable capacity for the intended lifting task. Lift cylinders with higher load ratings are designed to handle heavier loads, while cylinders with lower load ratings are suitable for lighter loads. The capacity of the lift cylinder is determined by factors such as its construction, materials, and structural integrity.
3. Hydraulic Pressure:
The hydraulic pressure applied to the lift cylinder affects its lifting capacity and force generation. By adjusting the hydraulic pressure within the system, operators can control the lifting capability of the cylinder. Higher hydraulic pressure results in increased lifting force, allowing the cylinder to handle larger loads. Conversely, lower hydraulic pressure reduces the lifting capacity of the cylinder, making it suitable for lighter loads. The hydraulic pressure can be regulated using control valves or pressure relief valves within the hydraulic system.
4. Application-specific Design:
Lift cylinders are designed to meet the requirements of specific applications. Manufacturers take into consideration factors such as load characteristics, operating conditions, and safety considerations when designing lift cylinders. This ensures that the cylinder size and capacity are matched to the demands of the application, allowing for efficient and safe lifting operations.
5. Customization Options:
In some cases, lift cylinders can be customized to fit specific size or capacity requirements. Manufacturers may offer customization options such as special sizes, load capacity modifications, or additional features to meet unique application needs. Customization allows for a tailored solution that optimizes the performance and efficiency of the lift cylinder in a particular setting.
In summary, lift cylinders handle variations in cylinder size and capacity by offering a range of sizes and load ratings. The hydraulic pressure can be adjusted to match the lifting requirements, and lift cylinders can be customized for specific applications. With their versatility and adaptability, lift cylinders provide efficient and reliable lifting capabilities across a wide range of industries and lifting tasks.

Can lift cylinders be used in manufacturing and production machinery?
Yes, lift cylinders are commonly used in manufacturing and production machinery. Lift cylinders, also known as hydraulic cylinders, are devices that generate linear force and motion through the use of pressurized hydraulic fluid. They are widely employed in various industrial applications for lifting, pushing, pulling, and holding heavy loads.
In manufacturing and production machinery, lift cylinders play a crucial role in providing controlled movement and force for a wide range of tasks. Here are some examples of how lift cylinders are used:
- Material Handling: Lift cylinders are utilized in machinery such as forklifts, cranes, and material handling equipment to lift and transport heavy objects. They allow for precise positioning and movement of loads, improving efficiency and safety in material handling operations.
- Assembly and Automation: Lift cylinders are integrated into assembly lines and automated machinery to perform tasks like part insertion, pressing, and clamping. They provide the necessary force and motion required for assembling components or joining parts together.
- Presses and Punching Machines: Lift cylinders are employed in presses and punching machines to exert force for bending, forming, and shaping materials. These cylinders ensure accurate and consistent results in metalworking processes.
- Industrial Robots: Lift cylinders are used in robotic systems to enable lifting and manipulation of objects. They facilitate the controlled movement of robot arms and end-effectors, allowing robots to perform tasks such as pick-and-place operations, welding, and painting.
Lift cylinders offer several advantages in manufacturing and production machinery. They provide high force capabilities, precise control over movement, compact design, and the ability to operate in various orientations. Furthermore, their hydraulic nature allows for smooth and gradual acceleration and deceleration, reducing the risk of damage to the machinery or the materials being handled.
In conclusion, lift cylinders are extensively utilized in manufacturing and production machinery across different industries. Their versatility, reliability, and ability to generate controlled linear force make them essential components in a wide range of industrial applications.

Can you explain the role of hydraulic fluid in a lift cylinder?
Hydraulic fluid plays a crucial role in the operation of a lift cylinder. It serves as the medium through which force is transmitted to generate motion and provide lifting or lowering capabilities. Here’s an explanation of the role of hydraulic fluid in a lift cylinder:
1. Transmission of Force:
Hydraulic fluid acts as a medium for transmitting force within the lift cylinder. When pressurized, the hydraulic fluid applies force on the piston, which then transfers that force to the load through the rod. The force exerted by the hydraulic fluid is transmitted equally in all directions due to Pascal’s law, allowing for effective lifting or lowering of heavy loads.
2. Energy Transfer:
Hydraulic fluid is responsible for transferring energy within the hydraulic system. The hydraulic fluid is pressurized by a pump, which converts mechanical energy into hydraulic energy. This pressurized fluid carries the energy to the lift cylinder, where it is converted back into mechanical energy to perform the lifting or lowering action. The ability of hydraulic fluid to store and transmit energy efficiently makes it ideal for power transmission in hydraulic systems.
3. Lubrication and Cooling:
Hydraulic fluid serves as a lubricant within the lift cylinder to reduce friction and wear between moving parts, such as the piston and the cylinder barrel. This lubrication helps to enhance the longevity and smooth operation of the cylinder components. Additionally, the hydraulic fluid also aids in cooling the system by absorbing heat generated during operation, preventing overheating and ensuring optimal performance.
4. Sealing and Contamination Control:
Hydraulic fluid plays a critical role in sealing the lift cylinder and preventing leakage. It works in conjunction with seals located between the piston and cylinder barrel, as well as around the rod, to create a tight and secure hydraulic system. The hydraulic fluid also helps to control contamination by keeping external contaminants, such as dirt and debris, from entering the cylinder and affecting its performance.
5. System Efficiency:
The properties of hydraulic fluid, such as its viscosity and flow characteristics, directly impact the efficiency of the lift cylinder system. The choice of the appropriate hydraulic fluid ensures smooth and efficient operation, minimizing energy losses and maximizing system performance.
In summary, hydraulic fluid plays a vital role in a lift cylinder by transmitting force, transferring energy, lubricating and cooling the system, sealing against leaks, controlling contamination, and contributing to system efficiency. It enables the lift cylinder to generate the necessary force and motion to lift or lower heavy loads, while also ensuring the smooth and reliable operation of the hydraulic system.


editor by Dream 2024-04-22