Quote:
Originally Posted by s5511
When it retracts and goes down back into the robot, the pistons retract at a very high velocity and the mechanism 'smashes' into the robot. We still want the pistons to push the mechanism up very quickly, but we don't want them to retract as fast. I heard that a flow valve could fix this problem.
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Have you looked into pneumatic shock absorbers or cylinders with end of stroke cushions?
Both products will allow you to maintain the same retract speed without the end of stroke smashing. They can also be used in conjunction with flow controls.
Check out:
http://www.bimba.com/Products-and-Ca...able-Cushions/
The shock absorbers are externally mounted and your tooling would contact them and be slowed down.
Check out:
http://www.parker.com/literature/Lit...0Absorbers.pdf
Not sure of the cost.
Dan