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IndustryArena Forum > MetalWorking Machines > Swiss Lathes > Stepper motor- increasing speed rotation
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  1. #1
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    Join Date
    Oct 2010
    Posts
    13

    Stepper motor- increasing speed rotation

    Hi guys, My spec's are

    Motor
    Nema 23 425oz model 23HS2430 3A
    1.8 step angle
    3 amp
    2.1 phase resistance
    9 phase induct
    4 wire

    Driver
    DM542A
    128 microstep
    1 amp to 4.2 amp
    18 to 50 VDC
    I am trying to increase my speed rotation. I get only 80rpm for now. What should i do to increase my rotation speed?

  2. #2
    Gold Member
    Join Date
    Jan 2010
    Posts
    2141

    Re: Stepper motor- increasing speed rotation

    How much voltage are you using on it?

    Your motor has a relatively high inductance, which will limit the maximum speed that you can get from it, especially because your driver is limited to only 50 volts maximum.

    What microstep setting are you using?

    When you say that you are getting 80rpm, are you driving a CNC machine axis with the motor (and if so, are you driving a leadscrew or belt pulley), or are you using it in a different application?

  3. #3
    Gold Member
    Join Date
    Aug 2006
    Posts
    2705

    Re: Stepper motor- increasing speed rotation

    Since you are saying you are using 1/128 micro-step mode:

    2x speed increase ...............use 1/64 micro-step mode
    4x speed increase ..............use 1/32 micro-step mode
    8x speed increase ............. use 1/16 micro-step mode

    I have the same motors and they have being tested at more than 1800 rpm with a 48 Vdc power supply using Mardus-Kreutz drives ( > 90 ipm with 20 tpi leadscrews).

    kreutz

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