when piston rod is provided on both side of the piston, it is called as double piston rod double acting cylinder.
Table of Contents
Construction
- It consists of cylinder body with end covers, the piston is fitted with piston seals.
- The piston rod is extended and provided on both side of the piston. Hence area on both side of the piston is same.
Working
- When oil enters through inlet port A, it pushes the piston to complete forward stroke by draining the oil from the other port B.
- When oil enters through inlet port B, it moves the piston to complete return stroke by draining the oil from the other port A.
- As the area on both side of piston is same, it produces equal forces in both directions.
- The area on both side is,
a= π/4(D-d)
D = Diameter of cylinder bore
d= Diameter of piston rod
Symbol
Application
- It is used in table movement of grinding machine.
- It is useful in robotic mechanisms where the rod is clamped at both ends and the body moves.
- If you want video of this topic, then check below link
- How Double rod double acting cylinder work?
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