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IndustryArena Forum > CNC Electronics > Stepper Motors / Drives > Slow Homing/Wrong direction

Thread: Slow Homing/Wrong direction

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  1. 12-18-2008, 11:05 PM #1
    SeanO
    SeanO is offline Registered
    Join Date
    Dec 2008
    Posts
    6

    Question Slow Homing/Wrong direction

    Equipment:
    Motors: Two IDC S21T wired in series
    Drive: IDC S6002 (Dual Axis Microstep Drive)
    Indexer: IDC 961 (Single axis indexer)

    Motors are mounted vertically.

    ----
    | 1 | (spins CW)
    ----
    ||
    ||
    ----
    | 2 | (spins CCW)
    ----


    Issue:
    I power up the machine, then run a homing program. Both motors move about 1/4 normal speed during the homing process. Then I run my standard program and motor one spins the wrong direction (CCW). I've found that if I just let the machine sit for about 20-30 minutes then try to home/run it operates normally.

    Any ideas on the "warmup" issue?
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  2. 01-22-2009, 10:25 PM #2
    SeanO
    SeanO is offline Registered
    Join Date
    Dec 2008
    Posts
    6
    Bump...anyone?

    The troublesome motor now "sticks" occasionally the first time or two I run it.
    This is a boring head, so the stickiness is throwing off my radius.
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