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  1. 04-03-2017 #29
    GordonFreeman's Avatar
    Lives in Madison, United States.
    GordonFreeman
    Last Activity: 06-03-2017 Has been a member for 7-8 years. Has a total post count of 5.
    Just got done with my DIY Brushless spindle. I had everything but the ER16 stub laying around. I'm using an old 320 kV motor and a VESC speed controller (skateboarding). First tests have been very promising, compared to the Colt trim router I'd been using.

    The VESC will hold the RPM very close under varying loads. I've only tested it on 6S batteries, but my CNC runs on 42V so that should be close to getting it to speed.

    I cast the adapter tube in Urethane (again, stuff laying around). A lot of work, but not bad for only needing to spend $20.

    The VESC BLCD software will show volts, amps, etc. live if it's hooked up via USB. I always thought it would be a neat idea to slow the feed rates down based on load. I'm running LinuxCNC but have no idea how I'd hook all that up.
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