Myford M7 Lathe

Myford M7 Lathe

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  • #120205
    hawkeyefxr
    Participant
      @hawkeyefxr

      I have just become the proud owner of the above lathe,, while i have not done any machining for many years.

      I have worked in two places that had old myfords, the first when i was doing my apprenticship when i worked in the toll room. The second was in heay industry where we made furnces for melting steel, they weighed many many tons. Having said that they had this very old Myford lathe that was a gem, most of us jumped on it to do little jobs.

      My question is my one has a back gear but the book does no say how you engage it. If you lift the gear/belt cover you can see the back gear. The bigger gear has a small allen bolt, do i undo this and move it out to allow the drive train to pass through the four gears at the back of the chuck.

      I have look in the book but cant find out how use it though it does mention it. I know the back gear is used for screw cutting though i will not be doing this. I just want to know how to get it to work.

      Cheers

      #6716
      hawkeyefxr
      Participant
        @hawkeyefxr
        #120216
        _Paul_
        Participant
          @_paul_

          Yes you are quite correct right slacken the screw disengage the dog tighten in the outside position lft the lever under the spindle nose and you should be in backgear if it's not been used for some time sometimes the oil between the spindle and the backgear bush can gum up, also on very early machines like mine they dont have the oil nipple on the pulley face oil is fed from an oil hole in the centre sheave of the spindle pulley which is sealed by an allen screw if this is too tight it will lock the spindle to the pulley.

          Regards

          Paul

           

          Edited By _Paul_ on 19/05/2013 21:17:08

          #120240
          pierre ehly 2
          Participant
            @pierreehly2

            Hi,

            a good explanation here:

            http://swarfer.co.za/lathe/backgear.php

            pierre

            #120367
            hawkeyefxr
            Participant
              @hawkeyefxr

              Hi

              Tabks for the info much appriciated, the link was especially good.

              Many thanks

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