Telescopic Hydraulic Cylinder | Tube for Telescopic cylinder

What is a Telescopic Hydraulic cylinder?

Telescopic hydraulic cylinder is a special type of hydraulic cylinder which designed to provide an exceptionally long output stroke from a compact retracted length. These hydraulic cylinders are sometimes referred to as multi-stage cylinders due to their design with multiple stages or sleeves. Telescopic hydraulic cylinders are commonly used in applications that require a linear force to be applied over a long distance. When hydraulic pressure is applied, the largest tube extends first, followed by the subsequent smaller tubes, until all stages are fully extended. This design allows for a significant extension while maintaining a compact retracted size, making them ideal for applications with space constraints. Our telescopic cylinders are available in two to five stages.

Our company is a high quality manufacturer and supplier of customized telescopic hydraulic cylinders. We produce and supply a wide range of telescopic hydraulic cylinders, and we also produce and supply ID honed and OD chrome plated tubes for telescopic hydraulic cylinder manufacturing and repairing.

Introduction of our telescopic hydraulic cylinders

Our factory manufacturers various types and sizes of customized telescopic hydraulic cylinders.

• Types of our telescopic cylinders

We manufacturer main types of multi stage cylinders as below.

• • Single-Acting Telescopic Cylinders: These cylinders use hydraulic pressure to extend and retract by external forces like gravity. They are simpler in design and commonly used in applications where retraction can be assisted by the load or other forces.

  • Double-Acting Telescopic Cylinders: Both the extension and retraction of these cylinders are driven by hydraulic pressure. They feature more complex designs and additional seals to ensure smooth operation in both directions, making them suitable for applications requiring controlled retraction.

  • Combination Telescopic Cylinders: These combine features of single and double-acting cylinders, offering flexibility in applications such as drilling rigs where both types of movements might be needed.

•  Technical Details

• Customization Options

Customized telescopic hydraulic cylinders can be tailored to meet specific needs in terms of dimensions, pressure ratings, and mounting options. Here are some key customization aspects:

• • Plunger Diameter and Stroke Length: Depending on the application’s requirements, cylinders can be designed with various plunger diameters and stroke lengths to deliver the desired performance.
  • Pressure Ratings: These cylinders can be manufactured to handle different pressure levels, typically up to 3000 PSI, ensuring they can withstand the demands of heavy-duty operations.
  • Mounting Options: Various end mounting configurations are available to suit different installation needs, providing flexibility in how the cylinders can be integrated into machinery.

• Advantages of our Custom Telescopic Cylinders

1. 1. Space Efficiency: Their compact retracted size allows them to fit in confined spaces, which is crucial for mobile and space-limited applications.
   2. Versatility: Custom designs enable these cylinders to meet specific angle and load requirements, making them suitable for a wide range of applications.
   3. Durability and Reliability: High-strength materials and precise manufacturing processes ensure these cylinders can withstand harsh operating conditions and deliver consistent performance.
   4. Extended Reach: The multi-stage design provides a longer stroke than single-stage cylinders, which is beneficial in applications like dump trucks, loaders, and cranes.

• Applications of multi stage cylinders

Customized telescopic hydraulic cylinders are used in various industries, including:

• • Construction and Mining: For heavy machinery like excavators, loaders, and dump trucks.
  • Agriculture: In equipment such as tractors and harvesters.
  • Waste Management: For compactors and refuse trucks.
  • Transportation: In vehicle lifts and hydraulic-powered bed systems.

Besides telescopic hydraulic cylinders, we also produce and supply chrome plated honed tubes for telescopic cylinders.

Product Introduction: Chrome Plated Honed Tube for telescopic hydraulic cylinders

Chrome plated honed tube is the main material consist of the telescopic hydraulic cylinders. It is the honed tube with outer diameter grinding and chrome plating, also it is a OD chrome plated tube with a ID honed surface.

Our company produces and supplies high quality chrome plated honed tube for telescopic hydraulic cylinders, with main specifications as below.

• Size Range: OD 35 mm to OD 610 mm, ID 32 mm to ID 560 mm, length max 12 meters.
• Tolerance: OD grinding tolerance usually ISO f7, ID honed tolerance available with ISO H7, H8 and H9.
• Material: ST52.3 / E355 / CK45 /SAE 1045
• Chrome Plating Thickness: min. 25 microns, 30 microns, 40 microns, 50 microns and so on.
• Surface condition: The ID surface of the telescopic hydraulic cylinder barrel is honed with surface roughness max 0.4 microns, and the OD surface of the telesopic cylinder tube is chrome plated, with surface roughness max 0.2 microns.

Advantages of our tubes for telesopic  hydraulic cylinders:

• High Strength: Our chrome plated honed tubes for telescopic hydraulic cylinders have sufficient strength to withstand high pressure and heavy loads.
• Excellent Weldability: The excellent weldability of our chrome plated honed tubes is crucial for manufacturing hydraulic cylinders to ensure welding quality and connection stability.
• Dimensional Accuracy: The high dimensional accuracy of steel tubes to ensure smooth assembly and operation of telescopic hydraulic cylinders.
• Good corrosion Resistance: Our tubes for telescopic hydraulic cylinders have good corrosion resistance to ensure long-term stable operation in harsh environments.
• High smooth inside and outer side surface roughness: The inner tube honed surface is max Ra 0.4μm, and the outer surface is Max Ra 0.2μm.

Besides chrome plated honed tubes, our factory also produces hydraulic cylinder tube (honed tube for hydraulic cylinder barrel) , and hydraulic cylinder rods (hard chrome plated rods), chrome plated hollow rods for all hydraulic cylinder applications.