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IndustryArena Forum > CNC Electronics > Servo Motors / Drives > Electro-craft E675 Servo Motor
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  1. #1
    Join Date
    Jan 2005
    Posts
    1695

    Electro-craft E675 Servo Motor

    I was at the surplus shop and picked up a dead servo motor for $30. It's missing the carbon brushes, but I will order some from Ebay.

    I believe it's a wheelchair motor, but it is a true servo with a skewed rotor. There's no cogging and I can make it turn smoothly with 1v.

    The only problem is that I cannot find any information on Electro-Craft's web site. I would appreciate it if someone can provide me with specs on it.

  2. #2
    Join Date
    Dec 2003
    Posts
    24216
    Cont stall torque 11.5 lb-in
    max terminal voltage 90
    rpm 5300
    Kt Torque cont 1.16 lb-in/amp
    Ke Voltage constant 13.7 v/krpm
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

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

  3. #3
    Join Date
    Jan 2005
    Posts
    1695
    Thanks Al. That's quite a substantial motor. Hopefully it hasn't been demagnetized. I'll find out when the carbon brushes get here.

  4. #4
    Join Date
    Jan 2020
    Posts
    1

    Re: Electro-craft E675 Servo Motor

    Hi Al.

    I have this motor as well and could use additional data on it. Any chance you have and can share the spec sheet?

    Also could you please share your thoughts on implementing torque control for the motor.

    Thanks

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