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Thread: Slowing a spindle down

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  1. 11-25-2009, 12:26 AM #1
    Fred Ming
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    Slowing a spindle down

    Does anyone have a suggestion for how to stop an HSD spindle in a few seconds?
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  2. 11-25-2009, 12:36 AM #2
    ger21
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    You should be able to stop it with settings in the VFD. I can't tell you how, but I know our 10HP HSD's stop very quickly. To stop really fast, you may need to add a braking resistor.
    Gerry

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  3. 11-25-2009, 06:58 PM #3
    jsheerin
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    Typically you would change the decceleration time parameter in your vfd. If the back EMF it generates is too large, you'll need a braking resistor to dissipate the extra power. The specifics of how to do both those things depend on the type of vfd you have.
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