2 min read
12 Nov

The most common use of pneumatic cylinders in engineering and industry is to produce motion from the build-up of compressed gas. You will need a different kind of pneumatic cylinder depending on your application and industry. As a result of the way they function, pneumatic cylinders are also called air cylinders.

What is a Pneumatic Cylinder?

The pneumatic cylinder sometimes called an air cylinder, is the last component of a pneumatic or compressed air control mechanical device. Compressed air is converted into mechanical energy by pneumatic cylinders.

It is mechanical energy that creates linear and rotary motion. The pneumatic air cylinder serves as the actuator in a pneumatic system. Thus, pneumatic linear actuators are called pneumatic linear actuators. When a pneumatic cylinder is selected correctly, it will ensure the long-term success of an application and increase the overall performance of the machine.

Principle of a Pneumatic Cylinder

Through the pneumatic cylinder, compressed air energy is converted into linear or rotary mechanical energy. From 5 bar to 20 bar, pneumatic cylinders are capable of handling pressure.

What Are the Types of Pneumatic Cylinders?

  • Single-Acting Pneumatic Cylinders
  • Double-Acting Pneumatic Cylinders
  • Telescoping Pneumatic Cylinders

In the following sections, we discuss the functions of three common pneumatic cylinders. The best cylinder for a particular job will be determined by the current project, as each of these cylinders has a unique application.

Single-Acting Pneumatic Cylinder

Unlike double-acting pneumatic cylinders, single-acting pneumatic cylinders only operate on one end of the piston. A single-acting cylinder is most commonly found in internal engines, such as automobile engines, where an external force, such as springs or a foreign load, pushes the piston in the opposite direction. Pneumatic single-acting cylinders can also be found in pumps and hydraulic rams, which are useful for lifting heavy loads.

A certain amount of working pressure is applied only to one side of the piston. A spring inside controls the movement and restores it to its normal state by acting in one direction.

Types of Single-Acting Pneumatic Cylinders

Push Type Single-Acting Cylinder

Air is compressed and pushed out of the cylinder to push out the piston. Pistons return to their original positions when pressure is released from the spring.

Pull Type Single-Acting Cylinder

The piston is pulled by compressed air entering the cylinder. Pressurized air passing through the port causes the piston in the cylinder to retract. There is a pressure port at the end of the cylinder. Airmax Pneumatic is the leading various type of pneumatic cylinder in India.

Telescopic Pneumatic Cylinder

Double-action telescopic cylinders as well as single-action telescopic cylinders are available. Piston rods 'telescope' when triggered, becoming segmented pistons, allowing for a greater reach. In applications that require very little pressure, telescoping cylinders are often used.

The use of telescopic cylinders is common in hydraulic applications with high load-handling capacity. There are single-acting and double-acting versions of these drugs. In heavy cranes, dumpers, and other applications, pneumatic telescopic cylinders are rarely used. The following versions are categorized in this post:

  • Tie rod cylinder
  • Flanged type
  • One-piece welded
  • Threaded end

Tie Rod Cylinder

Cylinders are more protected from damage when tie rods are used than alternative designs when an impact force or shock load is applied.

Flanged Type

Depending on your requirements, the supplier can make it front-flanged, back-flanged, or front-and-back-flanged.

One-piece Welded

Typically, the body is integrally cast in this form, or the ends are welded or crimped together.

Threaded End

In this design, both ends of the tube are threaded on from the outside or inside.

Double-Acting Pneumatic Cylinder

An outstroke is controlled by one element, while the instroke is controlled by the other element in a double-acting pneumatic cylinder. A single-acting piston is more often found in internal engines, whereas a double-acting piston is found in external engines like steam engines. Because double-acting pneumatic cylinders generate force from both ends of the piston, this is the case.

Both sides of the cylinder are subjected to a specified operating pressure. There are two directions in which compressed air exerts a force on the piston rod of the cylinder. According to the operational principle, double-acting cylinders can be categorized. The types are as follows:

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