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Thread: Is driver not big enough?

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  1. 11-05-2008, 12:04 AM #1
    MSGMachine
    MSGMachine is offline Registered
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    Apr 2008
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    41

    Is driver not big enough?

    I have two
    C. STALL TORQUE 14lb/in @ 7A
    MAX RPM 4000
    MAX VOLTAGE 100V
    MAX AMP 34A
    Servos on a knee mill in the x and y axis and i was wondering if there is anyone who could tell me if an 80 volt 20 amp servo drive would be enough to push these servos without any trouble.

    These servo specs confuse me.

    I am not as consered about speed as i am reliability and accuracy.

    Thanks in advance.
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  2. 11-05-2008, 01:28 AM #2
    Al_The_Man's Avatar
    Al_The_Man
    Al_The_Man is offline Community Moderator
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    Dec 2003
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    24221
    They most likely will work, you will not be able to get max. rpm probably with lower voltage.
    You should not normally see the Max current of 34amp, as this is the max the motor will handle before demagnetization, the drive should be set for a suitable current limit.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

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