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Lathe hiccup

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  • Lathe hiccup

    This post is related to the Weird Project post I made earlier.

    This work-piece has a lot of inertia. I would give it a spin before dialing up the speed and it accelerated to the 300-400 rpm I used for the turning no problem. In fact, it would accelerate from stopped on its own.

    The issue arose when slowing it down. If I dialed the speed back too fast, the lathe would trip. I would have to wait about 5 minutes before I could get the green light back. It seems the lathe electronics has some sensitivity to back emf or something. Maybe an electronic brake that senses that the piece is not slowing down enough? Once I realized what was going on, I just turned it down very slowly as a work around.

    Anyone else have this problem?

    It is a General International 25-300.



    Thanks
    Cheers
    Randy
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