Thursday, 24 June 2021

Telescopic Cylinder Manufacturers in India


Telescopic Cylinders are a type of linear actuator consisting of a series of tubular rods called sleeves, also known as multi-stage cylinders. The sleeves decrease in diameter sequentially and are nested within each other.

The largest sleeve, called the main or barrel is extended first when hydraulic pressure is applied to the cylinder. The next sleeve, usually referred to as a level, starts to expand once the barrel has reached its maximum stroke. This process continues until its last level, called the plunger, is reached by the cylinder.


Single-acting cylinders and double-acting cylinders are two distinct kinds of telescopic hydraulic cylinders. Single acting, by far the most common, works to retract the cylinder stages by using gravity or some other external force. The force of the load forces oil out of the system as soon as pressure is released from the cylinder, and the cylinder retracts.


Although pneumatic telescopic cylinders exist, hydraulic power, particularly when heavy loads are being moved, is much more common. Telescopic hydraulic cylinders are usually used with a collapsed length between 20-40 percent of the fully extended length when extension needs to start from a tight space. For a single-stage rod-style actuator, this extension capability allows a longer working stroke than would be feasible. These capabilities make dump trucks, lifts, and garbage trucks some of the most common applications for telescopic cylinders, along with the ability to handle very heavy loads.


A hydraulic cylinder or pneumatic cylinder, as well as a pulley system, are specially designed telescopic cylinders that provide an extremely long output journey from a very compact retracted length. Usually, the collapsed length of a telescopic cylinder is 20 to 40 percent of the completely extended length depending on the number of stages.  

Some pneumatic telescoping systems are produced with retracted lengths of under 15 percent of the overall extended unit length. This feature is quite appealing to system design engineers when a traditional single-stage rod type actuator would not suit.


Heavy-duty telescopic cylinders are normally operated by hydraulic oil, though compressed air could also power some lighter-duty systems.

Telescopic cylinders and multi-stage telescopic cylinders are also referred to as telescoping cylinders.


Also Read:-Pick the Right Hydraulic Cylinder for Your Applications



One widely seen use for telescopic cylinders is that of the dump body on a dump truck used at a construction site. The dump body must be lifted to an angle of around 60 degrees in order to clear the load of gravel full. It would be very difficult for the construction engineer to fit the single stage cylinder with the dump body in the horizontal resting position into the frame of the dump truck. However, this job is easily accomplished using a multi-stage telescopic cylinder.


Buy telescopic cylinders from the best telescopic cylinders manufacturer, Dynamic hydrofab is a very well established brand in the hydraulic cylinder manufacturers india sector, established in 1997. Around 500 hydraulic cylinders of all different designs and shapes will be developed by Dynamic Hydrofab. Fast installation, durable life, corrosion resistance, lightweight designs, and excellent performance are generally praised. They are in high demand, known for their high operational fluency, low maintenance requirements, and longevity. Visit Dynamic hydrofab today!

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