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Machining a back plate

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  • Machining a back plate

    Another newbie question...
    When I machine a back plate for a chuck typically how much oversize do you make the shoulder on the back plate? Back plate is CI.
    Thanks
    Dean

  • #2
    If I follow you right, you are talking about the OD of the disk? Usually it's the same OD as the chuck back.

    If your spindle has a registration shoulder as in the 7x12 lathes and then bolts on with 3 or 4 studs. The shoulder should be a snug slipfit.

    Kevin

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