Quote Originally Posted by petemilligan View Post
  • Standard old butterfly. You have space & might want to beef up the air piston from the small one I have.
  • Find a 12 point socket for the drawbar.
  • Air plumbing (in my case) used 3 air solenoids.
  • The long strip in the design suits a limit switch to start the wrench.
  • Cut an internal relief for the piston clamp
  • Source a couple of linear bearings for the wrench plate travel
  • The bars were silver steel (what I had in stock at the time), they're holding up fine.


https://a360.co/2J9wMhg

Hope this helps.
Thats very good of you. thank you :) couldnt understand what you meant then for a sec - so a roller type limit switch will start the wrentch as the piston ends it stroke ? I pretty sure ive got it.