1. Good day all.

    As per the title, what is the optimum voltage for my M60STH88-3008DF steppers and 752 drivers?
    I am still using one of the 42volt ex-BT eBay power supplies.
    Thanks for your time.

    Best Regards.
    "If first you don't succeed, redefine success"

  2. #2
    Working on the general 32xSqrt inductance rule then 57Vdc is the safe option but I know they will happly take more without shortening the motors life too much.
    I nearly always run them at 65-68V mainly because that works out nice for 625Va 24x24 transformer and still keeps a safe margin on the drives 75V limit.

  3. #3
    Quote Originally Posted by JAZZCNC View Post
    I nearly always run them at 65-68V mainly because that works out nice for 625Va 24x24 transformer and still keeps a safe margin on the drives 75V limit.
    Same here...can get away with 25+25V transformer but no real need to push the limit.
    Old router build log here. New router build log here. Lathe build log here.
    Electric motorbike project here.

  4. #4
    What happened to all the other ansers ? Went into 2 pages earlier.?
    John S -

  5. #5
    Quote Originally Posted by John S View Post
    What happened to all the other ansers ? Went into 2 pages earlier.?
    I didn't see 2 pages John.?

  6. #6
    Quote Originally Posted by John S View Post
    What happened to all the other ansers ? Went into 2 pages earlier.?
    Quote Originally Posted by JAZZCNC View Post
    I didn't see 2 pages John.?
    Nor did I - investigation initiated.
    Old router build log here. New router build log here. Lathe build log here.
    Electric motorbike project here.

  7. #7
    Sorry lads, brain fart - wrong post.
    John S -

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