Product Description
Long Stroke Multistage Telescopic Single Acting Lift Hydraulic Cylinder for Mining Dump Truck Spare Parts Made in China
Product Specifications:
| Item | Specifications |
| Function | Lifting/lowering the truck body for cargo dumping |
| Bore diameter | 120mm-480mm,customizable |
| Bod diameter | 90mm-390mm,customizable |
| Stroke | 3000mm-12000mm,customizable |
| Stage | 2-6stages,customizable |
| Surface treatment of piston rod | HaHard Chrome Plating,Electroplated Milky White Chromium+Hard Chromium,Nickel Plating+Hard Chromium Plating,High-Velocity Oxygen-Fuel CrC NiC,Ceramic Coating,Nitriding,Laser Cladding |
| Work Pressure | Maximum 38MPa,Customizable |
| Material | High tensile cold drawn tube, precision honed for extended seal life |
| Mounting | Earring,Flange,Clevis.Foot,Trunnion,Customizable |
| Seal Type | Parker,NOK, Hallite or as customer’s requirement |
| Warrenty | 18 months |
| MOQ | 1 pcs |
| Production Time | Based on order quantity.normally 30-40 days. |
| Certification | ISO9001,CE, SGS |
| Packaging | metal case,plywood case,carton or as requirement |
| Service | OEM & ODM |
| Price Advantage | Competitive factory price with guaranteed quality |
| Business Type | Manufacturer |
Product Display:
Mounting Method:
Appliactions:Mining Machinery,Mining Dump Truck
Other Related Products
Our Factory:
Quality Assurance:
| 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 |
Inspection of Mechanical Properties of Raw Materials
Process Inspection
Final Testing
Packing & Delivery:
About US:
Our Certificate
Our Main Customers
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, tianjian 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, tianjian 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 30-50 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: | High Pressure |
| Work Temperature: | High Temperature |
| Acting Way: | Double Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Regulated Type |
| Samples: |
US$ 2100/Set
1 Set(Min.Order) | |
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| Customization: |
Available
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Can double-acting hydraulic cylinders be repaired or maintained when needed?
Yes, double-acting hydraulic cylinders can be repaired and maintained when needed. Here’s a detailed explanation:
1. Inspection and Diagnosis: When a double-acting hydraulic cylinder requires repair or maintenance, the first step is to conduct a thorough inspection and diagnosis. This involves examining the cylinder for any visible damage, leaks, or signs of wear. Additionally, the hydraulic system and associated components should be checked for proper operation and potential issues. Through inspection and diagnosis, the specific problem or maintenance requirement can be identified.
2. Seal Replacement: One of the most common maintenance tasks for double-acting hydraulic cylinders is seal replacement. Seals, such as piston seals and rod seals, are critical components that prevent fluid leakage and maintain system integrity. Over time, seals can wear out or become damaged, leading to leaks and reduced performance. By replacing worn or damaged seals, the cylinder’s functionality can be restored.
3. Component Repair or Replacement: Depending on the nature and extent of the issue, specific components of the double-acting hydraulic cylinder may need repair or replacement. This can include repairing or replacing damaged pistons, rods, glands, or other internal parts. In cases where the damage is extensive or the component is beyond repair, a complete replacement may be necessary.
4. Fluid and Filter Maintenance: Proper fluid and filter maintenance is essential for the optimal performance and longevity of hydraulic cylinders. Regular fluid checks, fluid level adjustments, and fluid replacements are part of routine maintenance. Similarly, filters should be inspected and replaced as needed to prevent contamination and ensure the cleanliness of the hydraulic fluid.
5. Lubrication: Lubrication is vital for the smooth operation of double-acting hydraulic cylinders. Lubrication points, such as pivot points and sliding surfaces, should be regularly lubricated with the appropriate lubricant. This helps reduce friction, wear, and potential damage to the cylinder components.
6. Testing and Calibration: After repairs or maintenance activities, it is important to perform testing and calibration to ensure that the double-acting hydraulic cylinder is functioning correctly. This may involve checking for proper operation, verifying the cylinder’s force output, and conducting leakage tests. Testing and calibration help validate the effectiveness of the repair or maintenance work.
7. Preventive Maintenance: Implementing a preventive maintenance program is highly recommended to proactively address potential issues and extend the lifespan of double-acting hydraulic cylinders. This includes regular inspections, scheduled maintenance tasks, and adherence to manufacturer-recommended service intervals. Preventive maintenance helps identify and address problems before they cause significant damage or system failures.
8. Professional Assistance: In complex repair or maintenance situations, or when specialized knowledge is required, seeking professional assistance is advisable. Hydraulic system experts or certified technicians can provide the necessary expertise and ensure that repairs and maintenance are conducted safely and effectively.
By performing regular maintenance and addressing repairs promptly, double-acting hydraulic cylinders can be kept in optimal condition, ensuring their reliable operation and longevity.
Can double-acting hydraulic cylinders be used in hydraulic presses for material forming?
Yes, double-acting hydraulic cylinders are commonly used in hydraulic presses for material forming processes. Here’s a detailed explanation:
1. Generating High Force: Hydraulic presses require a significant amount of force to deform and shape materials. Double-acting hydraulic cylinders are capable of generating high forces in both the extending and retracting strokes. This bidirectional force generation is crucial for material forming operations, as it allows for consistent and controlled force application throughout the entire forming process.
2. Precise Force Control: Double-acting hydraulic cylinders offer precise control over force application. The flow rate and pressure of the hydraulic fluid can be regulated using valves and control mechanisms. By adjusting these parameters, operators can control the speed, intensity, and duration of the force applied by the cylinder. This level of control ensures accurate and repeatable material forming, preventing over- or under-forming and achieving the desired dimensional accuracy.
3. Adjustable Stroke Length: Double-acting hydraulic cylinders often feature adjustable stroke lengths. The stroke length refers to the distance the piston can travel within the cylinder. By adjusting the position of the end stops or limit switches, operators can modify the stroke length to match the specific material forming requirements. This adjustability allows for flexibility in accommodating different material thicknesses, shapes, and forming profiles.
4. Flexibility in Die Design: Hydraulic presses utilizing double-acting cylinders offer flexibility in die design. The die is the tooling used to shape and form the material. With the bidirectional force generation of double-acting cylinders, the die can be designed for both positive and negative forming actions. Whether it’s bending, deep drawing, embossing, or other forming processes, the hydraulic press can exert force in the desired direction to achieve the desired material deformation.
5. Damping and Shock Absorption: Material forming processes in hydraulic presses often involve high impact forces. Double-acting hydraulic cylinders are equipped with damping and shock absorption features to minimize vibrations and prevent damage. They may incorporate adjustable cushions or shock absorbers at the end of the cylinder stroke, decelerating the piston before it reaches the end of its travel. These features contribute to stable force application, protect the hydraulic system, and ensure the longevity of the press.
6. Safety Measures: Hydraulic presses incorporating double-acting hydraulic cylinders often include safety measures to protect operators and prevent accidents. These may include emergency stop buttons, safety interlocks, and pressure relief valves. These safety features help ensure the safe operation of the press and protect against excessive forces or unexpected movements.
Given their ability to generate high force, precise force control, adjustable stroke length, flexibility in die design, damping and shock absorption features, as well as the inclusion of safety measures, double-acting hydraulic cylinders are well-suited for use in hydraulic presses for material forming processes. They play a crucial role in achieving accurate and efficient material shaping and are widely used in industries such as automotive, aerospace, and manufacturing.
What are the key components and design features of a double-acting hydraulic cylinder?
A double-acting hydraulic cylinder consists of several key components and incorporates specific design features to enable its functionality. Here’s a detailed explanation:
1. Barrel: The barrel, also known as the cylinder tube, is a cylindrical structure that provides the main body of the hydraulic cylinder. It is typically constructed from high-strength, durable materials such as steel or aluminum to withstand the hydraulic pressure and external forces.
2. Piston: The piston is a cylindrical component that divides the interior of the hydraulic cylinder into two chambers—the cap-end chamber and the rod-end chamber. It is usually made of materials like steel or cast iron. The piston is designed to fit tightly within the barrel, forming a seal to prevent hydraulic fluid leakage between the chambers.
3. Rod: The rod, also known as the piston rod or plunger, is connected to the piston and extends through one end of the hydraulic cylinder. It provides the external connection point for attaching loads or other mechanical components. The rod is typically made of high-strength steel to withstand the forces applied during operation.
4. Seals: Seals are essential components in double-acting hydraulic cylinders to maintain the separation of the two chambers and prevent hydraulic fluid leakage. There are various types of seals used, including piston seals, rod seals, and wiper seals. These seals are typically made of materials such as rubber or polyurethane and are designed to provide an effective barrier against fluid leakage.
5. Hydraulic Ports: A double-acting hydraulic cylinder has two hydraulic ports—one connected to the cap end and the other connected to the rod end of the cylinder. These ports enable the inflow and outflow of hydraulic fluid to and from the respective chambers. The hydraulic ports are typically equipped with fittings or connectors to facilitate the connection of hydraulic hoses or pipes.
6. Mounting Options: Double-acting hydraulic cylinders are designed with various mounting options to facilitate their installation and integration into hydraulic systems. Common mounting options include flange mounts, trunnion mounts, clevis mounts, and foot mounts. These mounting options provide flexibility in connecting the hydraulic cylinder to other components or structures.
7. Cushioning Mechanism: Some double-acting hydraulic cylinders incorporate cushioning mechanisms to dampen the impact and decelerate the piston at the end of its stroke. This helps to reduce shock, minimize noise, and prolong the lifespan of the cylinder. Cushioning mechanisms can include adjustable cushions, fixed cushions, or hydraulic cushioning systems.
8. Surface Coatings: Depending on the application and operating conditions, double-acting hydraulic cylinders may feature surface coatings to enhance their performance and durability. Common surface coatings include chrome plating or other corrosion-resistant coatings to protect against wear, corrosion, and environmental factors.
These key components and design features work together to enable the functionality and reliability of double-acting hydraulic cylinders. They allow for the controlled extension and retraction of the piston, the generation of bidirectional force, and the efficient transmission of hydraulic power.
editor by CX 2024-04-13