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  1. #1
    Join Date
    Dec 2009
    Posts
    23

    Torque Mode vs Velocity

    My amps support both velocity and torque modes. Is either method perfered?
    Do I need to tell the control which is being used, if so, how do I do this?

    Thanks
    Jeremy

  2. #2
    Join Date
    Mar 2004
    Posts
    1542
    I've done five machines to Camsoft now and always used Torque mode. All Galil (Camsoft) knows about the drive is the correct P I D settings. You really have to read the drive's manual for more set up info.

    From what <little> I know, velocity mode is often used on servo spindles.

    Karl

  3. #3
    Join Date
    May 2007
    Posts
    781
    Most of the velocity mode servo systems I have seen were on machines that needed to move very slow and smooth. Mostly wire and sinker EDMs.

    Edit:
    Newer all digital systems get the smooth motion by using encoders with very high count resolutions. Either way good analog tach or high resolution encoder is expensive.

  4. #4
    Join Date
    Dec 2003
    Posts
    24216
    I have always used mine in the torque mode, Galil also recommend this.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.

  5. #5
    Join Date
    Dec 2009
    Posts
    23
    Thats good to hear, torque mode seamed to be the simplest solution.

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