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Thread: 440 spindle break in needed ?

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  1. 04-07-2021, 06:17 PM #1
    metalmayhem
    metalmayhem is offline Member
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    Re: 440 spindle break in needed ?

    I thought we were talking about the 440

    My torus is only 6000rpm and if it is cool it needs a warm up , otherwise the thermal expansion is noticeable on the parts . I don't get that happening with the 440's which are fired up at 10k out of the gate
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  2. 04-07-2021, 06:59 PM #2
    mactec54
    mactec54 is offline Member
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    Re: 440 spindle break in needed ?

    Quote Originally Posted by metalmayhem View Post
    I thought we were talking about the 440

    My torus is only 6000rpm and if it is cool it needs a warm up , otherwise the thermal expansion is noticeable on the parts . I don't get that happening with the 440's which are fired up at 10k out of the gate
    You mentioned the 1100 in your posts, it all depend on the spindle design as to which way the thermal expansion affects the spindle, they all have thermal expansion, no matter what spindle or machine you have
    Mactec54
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