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IndustryArena Forum > CNC Electronics > Spindles / VFD > Running a 5.5/7.5 kw 8000 rpm Fanuc motor on a vfd.
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  1. #1
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    Oct 2020
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    1

    Running a 5.5/7.5 kw 8000 rpm Fanuc motor on a vfd.

    I am building a fixture to "run in" spindles after rebuild. I have a fanuc 8000 rpm motor. (See attached pic of nameplate) the only load on the motor will be a belt driving a free spinning spindle up to 10,000 rpm for an hour at a time. What size VFD do I need, 220 volt single phase input?
    Attached Thumbnails Attached Thumbnails 20201006_141257.jpg  

  2. #2
    Community Moderator Jim Dawson's Avatar
    Join Date
    Dec 2013
    Posts
    4482

    Re: Running a 5.5/7.5 kw 8000 rpm Fanuc motor on a vfd.

    For that application, a 15HP single phase rated VFD should work OK. Something like this https://www.ebay.com/itm/15-HP-VFD-D...8AAOSwhL5dcnmU
    Jim Dawson
    Sandy, Oregon, USA

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