Standard Pneumatic Cylinder

Features

Simple structure

It consists of basic components such as cylinder, piston, piston rod, seal, end cover, etc., and is easy to manufacture and maintain.

Stable output force

The Standard Pneumatic Cylinder can provide stable thrust and pull force. By adjusting the air pressure and piston area, the output force can be precisely controlled.

Multiple travel specifications

The stroke length can be selected according to needs. By replacing piston rods of different lengths or adjusting the length of the cylinder, the stroke can be flexibly adjusted.

Wide range of applications

Suitable for automation equipment and mechanical systems, with multiple installation methods and adaptable to various environmental conditions, its compact design enables it to perform excellent performance in various application scenarios.

Your Chinese pneumatic product supplier introduces standard cylinders to you: structure, category, installation, selection, and handling of common problems. If you want to quickly obtain relevant information, you can contact our technicians now to answer your questions.

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Working Principle of Standard Pneumatic Cylinder

By converting compressed air into kinetic energy and controlling the in and out of compressed air, the piston is pushed to perform circular linear motion in the cylinder to achieve linear motion output.
When compressed air enters the rodless chamber, the air pressure pushes the piston to extend the piston rod; when the rod chamber is inlet and the rodless chamber is exhausted, the piston rod retracts and the air is repeatedly in and out.

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Composition structure

Cylinder

The cylinder is cut into sections by profiles, and the materials are made of aluminum alloy, stainless steel or carbon steel. It is the main part of the Standard Pneumatic Cylinder and is used to accommodate the piston and compressed air, and provide guidance for the movement of the piston.

piston

Made of aluminum alloy or plastic, it divides the inside of the cylinder into two chambers. It moves in the cylinder under the action of compressed air and obtains position change by extending and retracting the piston rod.

Piston rod

Made of carbon steel or stainless steel, it connects the piston and external accessories, converting the movement of the piston into the movement of the external accessories to form a linear motion state.

Sealing O-ring

Made of rubber material, it is used to prevent compressed air leakage and ensure the sealing of the cylinder. The fluorine rubber sealing ring can be replaced in corrosive environment or high and low temperature environment.

End caps

Installed at both ends of the cylinder, it is used to fix the cylinder and seal the compressed air in the cylinder. It also plays the role of supporting the piston rod and installing the buffer device.

Common Faults and Solutions of Standard Pneumatic Cylinder

Various faults may occur during use. Here are some common faults and their corresponding solutions.

Poor or no movement

If the compressed air pressure is insufficient, the cylinder will not have enough output force and normal movements will not be possible.

Check the pressure of the compressed air to ensure that it is within the working pressure range of the cylinder. If the pressure is insufficient, adjust the compressed air pressure or check the compressor equipment and air circuit for leaks.

Disassemble the Standard Pneumatic Cylinder, clean the interior, and remove impurities and foreign matter. At the same time, check whether the inner wall of the cylinder, the seal ring, and the piston surface are worn. If worn, the corresponding parts need to be replaced.

Check the working status of the solenoid valve. If there is any fault, replace the solenoid valve in time. At the same time, check whether the wiring of the solenoid valve is correct to ensure that the solenoid valve can work normally.

Check whether the air pipe connection is loose or broken. If there is any problem, tighten the air pipe connection or replace the air pipe.

Check the wear of the cylinder seal. If the seal is severely worn, it needs to be replaced.

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Standard Pneumatic Cylinder has unstable speed

The unstable compressed air pressure causes the unstable output force of the cylinder, thus affecting the speed of the cylinder.

Install a stable air pressure device such as a pneumatic throttle valve and a pressure regulating valve with a pressure gauge to always pay attention to the pressure value and ensure that the air source pressure is stable. At the same time, check whether the air source equipment is working properly. If there is any fault, eliminate it in time.

Re-adjust the flow control valve to stabilize the flow of compressed air into the cylinder. The speed of the cylinder can be controlled by adjusting the throttle valve.

Check the friction resistance inside the cylinder, such as whether the clearance between the piston and the cylinder is appropriate, whether the seal is too tight, etc. If there is a problem, make corresponding adjustments or replace parts.

Avoid uneven resistance of the cylinder during movement. The problem of uneven load can be solved by adjusting the installation position of the load or adding a balancing device.

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Standard Pneumatic Cylinder Leakage

The cylinder seal is damaged, worn or aged, causing compressed air leakage.

Check the status of the cylinder seal. If the seal is damaged, replace it with a new one in time. When replacing the seal, pay attention to choosing the appropriate specifications and materials.

Check the connection between the cylinder cover and the cylinder barrel. If it is loose, tighten the connecting bolts. At the same time, check whether the gasket is intact. If it is damaged, replace it.

If there are scratches or deformations on the inner wall of the cylinder, minor ones can be repaired by grinding; serious ones require replacing the cylinder.

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Standard Pneumatic Cylinder has poor cushioning effect

Improper adjustment of the buffer regulating valve assembly will result in excessive or insufficient buffer gas volume, affecting the buffer effect.

Re-adjust the buffer regulating valve assembly and adjust the buffer gas volume according to the working requirements and load conditions of the cylinder to achieve the best buffer effect.

Check the wear of the buffer seal ring. If it is severely worn, replace it with a new one.

Check the wear of the buffer plunger and buffer hole. If there is any wear, repair or replace the corresponding parts.

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Standard Pneumatic Cylinder abnormal sound

There are impurities or foreign matter in the cylinder, which causes friction and impact when the piston moves, causing abnormal noise.

Disassemble the cylinder, clean the inside, remove impurities and foreign matter. At the same time, check whether the internal parts of the cylinder are damaged. If damaged, replace them in time.

Check the lubrication of the cylinder. If the lubrication is insufficient, add an appropriate amount of lubricating oil. Select the appropriate lubricating oil and perform lubrication maintenance regularly.

Check the installation of the cylinder, tighten the mounting bolts, and ensure that the mounting surface is flat. If necessary, trim or adjust the mounting surface.

Check whether the piston rod is bent or deformed. If any problem is found in the piston rod, it needs to be straightened or replaced.

When dealing with Standard Pneumatic Cylinder failures, you should first shut down the machine and cut off the air supply to ensure safe operation. If you cannot solve the problem yourself, you can contact MYFEQD’s professional technicians and sales team for consultation. At the same time, regular maintenance and care of the cylinder can effectively reduce the occurrence of failures and extend the service life of the cylinder.

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