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RATTM MK100 2.2kw 110V VFD Setup with Black Box

Discussion in 'CNC Mills/Routers' started by GKTRK, Oct 30, 2022.

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  1. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Yeah space the VFD away and run its cable through a swing arm (not through the cable chain along with limits etc): Swing Arm
     
    #31 Peter Van Der Walt, Nov 1, 2022
  2. GKTRK

    GKTRK New
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    Yes! We are also building one of those swing arms at the makerspace I founded (Truckee Roundhouse) over our ShopBot. Great design.

    I might start a separate thread for further machine questions through my build as I don't want this out to get O/T about the RATTM VFD.
     
    #32 GKTRK, Nov 1, 2022
    Peter Van Der Walt likes this.
  3. GKTRK

    GKTRK New
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    Peter - Can you detail why it's important to program the VFD minimum frequency at say, 7200 RPM (120 HZ USA)?

     
    #33 GKTRK, Nov 4, 2022
  4. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Aircooling. If its too slow, not enough air = overheating spindle
     
    #34 Peter Van Der Walt, Nov 4, 2022
    GKTRK likes this.
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