On a production line the metal stamping location uses two interlinked rams, Ram One (R1) extends...

Question

On a production line the metal stamping location uses two interlinked rams, Ram One (R1) extends to close the safety door then Ram Two (R2) extends to press the metal. Ram Two (R2) then retracts followed by Ram One (R1) to open the safety door.

Design a circuit to do this including a safety feature to make sure both the operators hands are outside the cageOnly one ram can move at a time.
Using either fluid sim 3.6 or a hands free sketch is acceptable, how ever all symbols must be clear and labelled.

Robert · Accepted Answer

Ans. 1
For the production line,
  
This is a less cost design and its potantial leakage at the rod is less. In this circuit the 
two rams are working in series. In which when the first ram extends and the load 
moves then the second ram extends and the safety door closes.

On a production line the metal stamping location uses two interlinked rams, Ram One (R1) extends to close the safety door then Ram Two (R2) extends to press the metal. Ram Two (R2) then retracts...

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