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IndustryArena Forum > MetalWorking Machines > Cincinnati CNC > how to control chinese cnc spindle rpm?
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  1. #1
    Join Date
    Aug 2015
    Posts
    0

    how to control chinese cnc spindle rpm?

    well, sorry for poor english

    i bought 3040z 1500w 4axis cnc from china.

    Freeshipping LY CNC router 3040 Z VFD with 1.5KW spindle, 3 axis cnc engraving machine for metal wooden stone-in Wood Router from Industry & Business on Aliexpress.com | Alibaba Group

    with 3 buttons at control box front side.( power, e-stop, speed ctrl), ivory colored box,

    i opened box, and all i can see is boards. no LCD or something like that

    since its 4 axis, there is 4 driver cards, VFD-B-01 boare


    i think if its problem of physical pin or problem, i think this is it.

    +12v
    +5v (connected with speed control cable)
    15v (Connected with board itself)
    SGND (Connected with 1 e-stop cable and speed control cable)
    FWD (connected with e-stop cable)
    REV
    BCD2
    BCD1
    BCD0
    ERRB
    ERRA
    ---------

    about connection between spindle cable and board
    1st one is connected with socket that marked U
    2nd one " V
    3rd " W?M
    4th " ㅓ|||

    ish things


    the thing is i can make spindle works by commanding "M04 SXX" code or something
    and also can make spindle works when i press "spindle CW F5" button on mach 3 program with put any numbers in spindle speed box

    but i can't control speed of it.
    speed setting cmd btw M04 S60 and M04 S5000 are totally same. means,

  2. #2
    Join Date
    Dec 2006
    Posts
    585

    Re: how to control chinese cnc spindle rpm?

    This is not the site you should be on. This site is for Cincinnati Milacron machines and lathes. You should post to a Freeshipping LY CNC router site!!!!!

    Mike CNC Machine Services INC | Cincinnati Milacron MachinesCNC Machine Services

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