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Lever ON/OFF Convention ???

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  • Lever ON/OFF Convention ???

    So I am designing a gear train for a X or Y movement on a lathe. And I need a means of disconnecting it. So I am planning on a movable gear, similar to the tumbler gears used for reversing. My question is, is there any convention in the WWM (wonderful world of machining) for ON and OFF? I mean should Up be On or Off? Or is it just a matter of chance in every design?
    Paul A.
    SE Texas

    Make it fit.
    You can't win and there IS a penalty for trying!

  • #2
    I can't answer your question with any knowledge on the subject but can say when I'm faced with that questions it is always Power "up" or Power "down". Otherwise I forget how I did it !!
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    Thank you to our families of soldiers, many of whom have given so much more then the rest of us for the Freedom we enjoy.

    It is true, there is nothing free about freedom, don't be so quick to give it away.


    • #3
      Aparently not since I have seen several B-port mills and B-port mill clones with switches labeled FWD,OFF,FWD.One FWD is in fact FWD,but not the other and not all the time
      I just need one more tool,just one!


      • #4
        Put it the way that makes sense to you. For myself, down would be disconnected.
        Location: North Central Texas


        • #5
          What ever is comfortable for you,You are the one running it.


          • #6
            I would think that up for on - down for off is good.

            My colchester lathe has a clutch lever , you pull up for forward, down for off (down all the way for reverse)
            I like being able to knock it out of gear by just dropping my hand .