Bridgeport cnc mill spindle slows and stops when taking a cut

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Thread: Bridgeport cnc mill spindle slows and stops when taking a cut

  1. #1
    *Registered User* Bobsgto's Avatar
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    Default Bridgeport cnc mill spindle slows and stops when taking a cut

    Hi all,
    looking for some help with a bridgeport cnc mill that has a mitsubishi vfd d700 inverter. the spindle slows and then stops when i start taking a cut with a 2" face mill .060" depth of cut. barely gets into the cut then stops. i tried changing some parameters in the vfd with no success. any help would be greatly appreciated!



  2. #2
    Community Moderator Jim Dawson's Avatar
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    Default Re: Bridgeport cnc mill spindle slows and stops when taking a cut

    Is this a new VFD install, or something that just started happening after running OK for some time?

    Jim Dawson
    Sandy, Oregon, USA


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    *Registered User* Bobsgto's Avatar
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    Default Re: Bridgeport cnc mill spindle slows and stops when taking a cut

    it's a new VFD install.



  4. #4
    Community Moderator Jim Dawson's Avatar
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    Default Re: Bridgeport cnc mill spindle slows and stops when taking a cut

    I took a quick look at what I think is the manual for your VFD. It looks like you need, at a minimum, to set parameters 80, 82, 83, and 84 to the motor nameplate specs.

    Jim Dawson
    Sandy, Oregon, USA


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Bridgeport cnc mill spindle slows and stops when taking a cut

Bridgeport cnc mill spindle slows and stops when taking a cut