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  1. #1
    My Easyturn lathe has size 34 stepper drives. Servo size 34 had a different flange diameter so it looks as if hybrid stepper drives are the easy option. Unlike the servos which were mains ac voltage, the steppers are 24v dc or 80v ac. Does it make a difference which input type is used?

    Steppers: motor 86BYGH4118EC-1000+ driver 2HSS86

  2. #2
    Are you sure they have the option of 24vdc and 80vac input? Those numbers don't match up.

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  4. #3
    Colin you have it wrong it's 24v-80Vac or 30V-110Vdc

    It makes no difference which you use just make sure you leave about a 10% safety margin on the Max voltage. With large motors the more volts the better the motors will work but make sure you leave at least 10% safety.
    -use common sense, if you lack it, there is no software to help that.

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  6. #4
    Quote Originally Posted by JAZZCNC View Post
    Colin you have it wrong it's 24v-80Vac or 30V-110Vdc

    It makes no difference which you use just make sure you leave about a 10% safety margin on the Max voltage. With large motors the more volts the better the motors will work but make sure you leave at least 10% safety.
    Hi,
    thanks for the reply, i have mislaid the original pdf with the email from szgh but i looked at the generic which said 24-70v ac or 30-100vdc. I was tempted to try their
    servo driver/motors if the frame size was the same, but it is different so hybrid stepper driver/motor it will be.
    The old motor could have been reused but with the new units being so cheap and connection easier to understand with it being the same manufacturer then changing everything appears the best way to go. So you are suggesting an input of 63vac or 90v dc?

  7. #5
    Quote Originally Posted by Colin Barron View Post
    So you are suggesting an input of 63vac or 90v dc?
    Either will work, but 64 or 65Vac will be easier to achieve using a toroidal transformer as you can get them with 2 x 32 or 2 x 65V secondary's and wire them in either parallel or series.
    -use common sense, if you lack it, there is no software to help that.

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