Single Acting Cylinder in Pneumatic

With single-acting cylinders compressed air is applied on only one side of the piston face.The other side is open to atmosphere.The cylinder can produce work in only one direction.The return movement of the piston is effected by a build-in spring or by the application of an external force.The spring force of the build-in-spring is designed to return the piston to its start position with a reasonably high speed under no load conditions.
For single-acting cylinder with build-in spring,the stroke is limited by the natural length of the spring.Single-acting cylinder are therefore only available in stroke lengths of up to approximately 80mm.

Air Preparation

For the continuing performance of control systems and working elements it is necessary to guarantee that the air supply is:

• at the required pressure
• dry and
• clean

If these conditions are not fulfilled,then short to medium term degeneration of the system will be accelerated.The effect is downtime on the machinery in addition to increased costs for repair or replacement of parts.

The generation of compressed air starts off with compression.The compressed air flows through an entire series of components before reaching the consuming device.The type of compressor and its location to a lesser or greater degree affect the amount of dirt particles,oil and water which enter into a pneumatic system.The equipment to be considered in the generation and preparation of air include:

• Inlet filter
• Air compressor
• Air reservoir
• Air dryer
• Air filter with water separator
• pressure regulator
• Air lubricator as required
• Drainage points

poorly-prepared compressed air will inevitable lead to malfunctions and may manifest itself in the system as follows:

• Rapid wear of seals and moving parts in the cylinders and valves
• Oiled-up valves
• Contaminated silencers
• Corrosion in pipes,valves,cylinders and other components
• Flushing out of lubrication of moving components

In the case of leakage,escaping compressed air may impair the materials to be processed(e.g food)