punching machine

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   Dear all,

I am
developing a manual punching machine to be automatic. It has two directional
valves , one for punching up and down , the other is remote valve right and
left , so there are 4 relays. I want to understand the hydraulic circuit , how
it works , why the two valves must be on together to move the head and what is
the difference between right and left ? 

Thanks a
lot

Fareez

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fareez Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 19 Feb 2014 Location: SAR Points: 4	Post Options Post Reply Quote fareez Report Post Thanks(0) Quote Reply Topic: punching machine Posted: 20 Feb 2014 at 6:44am
	Dear all, I am developing a manual punching machine to be automatic. It has two directional valves , one for punching up and down , the other is remote valve right and left , so there are 4 relays. I want to understand the hydraulic circuit , how it works , why the two valves must be on together to move the head and what is the difference between right and left ? Thanks a lot Fareez

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