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IndustryArena Forum > CNC Electronics > Stepper Motors / Drives > step driver 5A and step motor 6.4A

Thread: step driver 5A and step motor 6.4A

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  1. 01-27-2009, 11:52 AM #1
    gorantec
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    step driver 5A and step motor 6.4A

    Please advice i have scheme for 5A step driver but my motor is 6.4A will work in 5A driver and what will lost only torque or ?
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  2. 01-28-2009, 02:24 PM #2
    johnmac
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    Thats the way I understand it. My motors have a slightly higher amp rating than the drivers and it doesn't seem to cause any problems.

    John
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  3. 01-28-2009, 05:22 PM #3
    ger21
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    You'll lose about 22% of the torque running the motors at 5amps.
    Gerry

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  4. 02-10-2009, 11:25 PM #4
    Clement95
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    Hi gorantec,
    I am interested for building a 5A driver bard for bipolar stepper. Do yuo have scheme available?
    Clement
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  5. 02-11-2009, 09:28 AM #5
    gorantec
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    Quote Originally Posted by Clement95 View Post
    Hi gorantec,
    I am interested for building a 5A driver bard for bipolar stepper. Do yuo have scheme available?
    Clement
    the scheme i found here : http://www.todopic.com.ar/foros/index.php?topic=23274.0 but not yet tested since i have decide to build unipolar driver for my 6.4 A motors .Please let me know if you try what will happen .
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  6. 02-13-2009, 01:20 PM #6
    contactirfu
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    that uses L297 and I don't think it has pretty micro stepping like that of a gecko.
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