Festo air cylinder

Festo air cylinder is a pneumatic actuator that converts the pressure energy of compressed gas into mechanical energy through pneumatic transmission.

The inner diameter of the FESTO cylinder barrel represents the output force of the cylinder. The piston should slide smoothly back and forth in the cylinder, and the surface roughness of the inner surface of the cylinder should reach Ra0.8um. For the steel tube cylinder, the inner surface should also be plated with hard chrome to reduce frictional resistance and wear and prevent rust. In addition to using high-carbon steel pipes, the cylinder barrels are also made of high-strength aluminum alloys and brass.

There are intake and exhaust ports on the FESTO cylinder end cover, and some also have a buffer mechanism in the end cover. The rod side end cover is provided with a sealing ring and a dust ring to prevent air leakage from the piston rod and prevent external dust from mixing into the cylinder. There is a guide sleeve on the end cover of the rod side to improve the guiding accuracy of the cylinder, bear a small amount of lateral load on the piston rod, reduce the bending amount when the piston rod is extended, and prolong the service life of the cylinder. Guide bushes usually use sintered oil-impregnated alloy, forward-inclined copper castings. In the past, malleable cast iron was commonly used for end caps. Now, in order to reduce weight and prevent rust, aluminum alloy die-casting is often used. Micro cylinders are made of brass.

Festo pneumatic cylinders should be used in printing (tension control), semiconductor (spot welding machine, chip grinding), automation control, robotics, etc. Common festo air cylinders are: SC Series Standard Cylinder, CQ2 Series Compact Cylinder, SDA Series Compact Cylinder.

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