Telescopic Cylinders

Your Professional Telescopic Cylinders Supplier

Our goal is to become your true partner in the field of telescopic cylinders in China. Yishui Zhongxin Machinery Co.,ltd have established ourselves as reliable designer and supplier of hydraulic cylinders. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards.The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.

6 Stage 1005mm Stroke Underbody Hoist Cylinder

Introduction The 6 Stage 1005mm Stroke Underbody Hoist Hydraulic Cylinder is designed for heavy-duty dump trucks, agricultural trailers, and construction tippers. With its reliable multi-stage

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FE 169-5-5405 Telescopic Hydraulic Cylinders

Introduction The FE 169-5-5405 Telescopic Hydraulic Cylinder is a premium multi-stage linear actuator designed for industries requiring extended stroke lengths without compromising installation

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Single Acting Telescopic Cylinders

Single-acting telescopic hydraulic cylinders use hydraulic power to extend the cylinder and gravity or mechanical force to retract the cylinder into its original position. This design is

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Inverted Telescopic Cylinders

Inverted telescopic cylinders is a a front-end mounted telescopic cylinder, with trunnions and lower eye with spherical bearing.

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Pin Mount Telescopic Cylinders

Our single acting telescopic cylinders are available in 3, 4 and 5 stage configurations and are fit, form and function interchangeable with other manufacturers such as: Hyco®, Parker® and Custom

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Trunnion Mount Telescopic Cylinders

Our single acting Trunnion mount telescopic cylinders are available in 3 and 5 stage configurations and are fit, form and function interchangeable with other manufacturers' such as: Hyco®, Parker®

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Multistage Cylinders

Multi-stage cylinders ,allow for a long stroke while maintaining a short retracted length This is achieved with 2 or more nested stages which help to achieve a longer working stroke than a

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Replacement Telescopic Cylinders

Available in many multistage configurations, telescopic cylinders are widely used in dump trucks and other hauling equipment due to their high-force capabilities and reliable heavy-load handling at

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Why Choose Us

Our services: In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.

Production market:

Our products are well received by the market and have been sold to countries and regions such as Australia, the United States, Canada, Poland and Brazil.

Our certificates:

Our manufacturing operations are ISO9001 and TS16949 certified.

Quality control:

All our products are 100% pressure tested at 1.5 times the working pressure or in accordance with customer specifications.

Advantages of Telescopic Cylinders

Long extended reach with a compact retracted design:

The most notable advantage of telescopic cylinders is their compact retracted constructions paired with an unparalleled extended reach. Built to make the most of tight spaces or areas with restricted mobility, telescopic hydraulic cylinders deliver great performances at confined job sites without compromising efficiency or quality.

Meet specific or precise angle requirements:

A significant advantage of telescopic cylinders is the ability to meet specific precision angle requirements. For certain hydraulic equipment, including dump truck beds, particular angles must be achieved to safely and effectively complete operations.

Ideal for constant thrust and speed applications:

Certain applications, including underground mining and similar jobs, require specialty cylinders that offer constant thrust and speed over long working hours. Telescopic cylinders benefit these applications through heavy-duty constructions and deliberate designs to withstand these conditions while delivering reliable operation.

Types of Telescopic Cylinders

Single-acting telescopic cylinders:

This, the most common type of telescopic cylinder, is also the most simplistic in design. The extension of the device is achieved through hydraulic pressure. The extraction occurs through the employment of such external forces as gravity.

Double-acting telescopic cylinders:

This double-acting telescopic cylinder operates in a similar fashion. Hydraulic pressure extends it. However, when it comes to retraction, not gravity but hydraulic forces cause it to perform this action. This makes it a more complex design.

Single/double acting combinations:

Single/double-acting combinations combine the features of single-acting and double-acting cylinders. They have nested cylinders, which allow for longer extensions.

Through-rod telescopic cylinders:

Through-rod telescopic cylinders have rods that extend through the cylinder, providing a more compact design. The rod is connected to the load and passes through the nested cylinders, allowing for a direct connection between the cylinder and the load.

Specification of Telescopic Cylinders

Product name	Telescopic cylinders
Work Temperature	Normal Temperature
Acting Way	Double Acting
Working Method	Straight Trip
Adjusted Form	Regulated Type
Structure	Piston Type
Material	Carbon Steel
Working Pressure	7MPa~31.5MPa
Working Medium	Water Glycol, Oil, Other
Mounting	Optional&Customizable

Application of Telescopic Cylinders

Manufacturing and automation: In the manufacturing and automation industry, telescopic hydraulic cylinders are increasingly being used in factories as part of assembly lines. The cylinders are ideal for lifting heavy pieces of equipment such as hydraulic lifters and presses.

Mining and construction: Telescopy cylinders are great for the construction and mining industry, especially in vertical mining and construction activities. Thanks to its ability to extend its length from a compact size, the hydraulic cylinders make the perfect mechanical part for dumps, elevators, and hoists as well as heavy equipment like mining shovels, excavators, loaders, and crushers.

Agricultural machinery: In the agricultural industry, the hydraulic cylinders are commonly used with tractors and harvesters. However, this does not mean that they cannot be found on other agricultural farms and machinery.

Marine and offshore: Telescopic hydraulic cylinders also have a role to play in the marine and offshore industries, as they are used for offshore oil extraction, shipbuilding, repair, and maintenance.

Entertainment and events: Telescopic hydraulic cylinders aren’t limited to just industry applications. They can also be found in the entertainment and event industry, especially in the concert and music industry.

Features of Telescopic Cylinders

Num of stages:

The number of stages in a telescopic hydraulic cylinder determines how far it can extend and retract within a given space. In some applications like container trucks, cylinders with many stages are necessary.

Material:

The material of a telescopic hydraulic cylinder affects its strength, durability, and resistance to environmental factors. It typically uses alloy steel for strength and longevity.

Temperature range:

It is the range of temperature within which the cylinder can operate. The temperature range determines performance in extreme heat or cold.

Seal type:

Hydraulic seals prevent the escape of oil and ingress of contaminants. Choosing the right seal type prolongs the lifespan of the cylinder.

Manufacturing Process of Telescopic Cylinders

Materials for barrels: There are many steel materials available in terms of their tensile strengths. A barrel for a hydraulic cylinder can generally be prepared from an annealed cold-drawn or hot-rolled seamless steel tube.

Machining process (boring) for barrels: Machining is a metal removal process that depends on boring, cutting and grinding operations to remove unwanted material from the barrel to achieve a final shape.

Precision machining of barrels: After cold drawing and heat treatment, the partly finished barrel is additionally prepared for improving the surface finish and the geometric form of the inner surface of the barrel using the following methods.

Preparing pistons: The piston is first machined for correct sizing. It must then be quenched and tempered for hardness. Verify its hardness through a hardness test.

Preparing piston-rods: The piston rod must be machined for obtaining the correct shape and size.

Preparing cylinder end plates: The manufacturing process of a cylinder head with rod sealing, guiding, cushion, and porting arrangements, involves the inspection of the material certificate, rough machining, quenching and tempering, hardness testing, precision machining.

Cylinder ports: On hydraulic cylinders, standard ports are sae o-ring threaded ports. Another porting option is a four-bolt flange port.

Coating, painting, and polishing: The outside surface of the barrel must be spray painted as per the relevant standards. Hard chrome coating is provided on the piston. The surfaces of piston-rod are often treated using techniques such as nickel-chromium plating, laser cladding, supersonic flame spraying, or thermal spraying for making it wear-resistant and corrosion-resistant.

Seals for cylinders: The selection of the right seal profile and material for a given application requires consideration of many factors such as the piston-rod and bore diameters, seal groove dimensions and gaps, etc.

Assembly of cylinder parts: The fitting section assembles all the components of a cylinder, such as a piston rod, piston, tube and seals, with the necessary tools and utmost care.

Packing and Shipping of Telescopic Cylinders

Packing	Custom-built pallets
Shipping	Shipped by road, Sea, Rail

FAQ

Q: What are the trends of the telescopic hydraulic cylinder industry in the near future?

A: The market has been showing an increasing demand trend from the application fields of construction machinery, transportation industry and lifting equipment.

Q: Can the hydraulic cylinder be repaired if it is damaged?

A: If the hydraulic cylinder is damaged, it can be repaired, but it depends on the specific damage situation. If it is repairable, professional repair services are required.

Q: What is the service life of a hydraulic cylinder?

A: The service life of hydraulic cylinders can vary widely depending on factors such as usage, maintenance, and quality. Usually, under normal use, the service life can reach 5-10 years or more.

Q: What should be paid attention to during the use of hydraulic cylinders?

A: Pay attention to the load capacity, avoid overloading; Keep the cylinder clean and avoid impurities; Regular maintenance and inspection; Pay attention to the working environment, avoid corrosive and extreme temperatures.

Q: What is the difference between the single-acting and double-acting cylinders?

A: The main difference between single-acting and double-acting cylinders is their use of hydraulic pressure.

Q: How do you determine the correct cylinder for a specific application?

A: Clearly define the application requirements. Calculate the required forces. Consider space constraints and select the cylinder type. Ensure pressure ratings and material compatibility.

As one of the most professional telescopic cylinders manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy cheap telescopic cylinders for sale here from our factory. Contact us for customized service.

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