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IndustryArena Forum > MetalWorking Machines > Tormach Personal CNC Mill > Spindle problems . What is the runout on your spindle?

Thread: Spindle problems . What is the runout on your spindle?

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  1. 04-02-2017, 01:01 PM #1
    eltejano
    eltejano is offline Registered
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    Re: Spindle problems . What is the runout on your spindle?

    Quote Originally Posted by RCaffin View Post
    Runout test bars are $$.
    Try a name-brand round bit of (ground) tool steel - say 10.0 mm or 12.0 mm. Very very close!

    Cheers
    Roger
    A runout test bar is a lot more expensive that a Tormach spindle.
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  2. 04-02-2017, 01:20 PM #2
    RCaffin
    RCaffin is offline Member
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    Re: Spindle problems . What is the runout on your spindle?

    A runout test bar is a lot more expensive that a Tormach spindle.
    True, but do I need a test bar accurate to 0.1 micron? Or would 1 micron suffice?

    Cheers
    Roger
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