7x mc60 motor controller


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Thread: 7x mc60 motor controller

  1. #1
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    Default 7x mc60 motor controller

    Looks like my xmt 1125 kersploded.

    I have a mc60 from a treadmill kicking around, it's for a 2hp brushed DC motor.

    I hooked it up and tried it with no load, seems to work. Rated at 5950rpm vs. The 6000rpm motor in there.

    As long as I keep the stock fuses, is there any reason I can't use this controller? Being pwm it's probably a better setup all in all. Only catch is no tach feedback.

    What am I missing?

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  2. #2
    Member CS900's Avatar
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    Default Re: 7x mc60 motor controller

    No reason at all. People use the MC60 controller quite frequently. I had one on a Taig mill and ran it for several years like that.



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    Default Re: 7x mc60 motor controller

    The MC-60 is SCR bridge (120Hz) controlled, not PWM, You need the MC2100 version for PWM control.
    There is also a mod on the MC60 that avoids having to take the Pot to zero when ever the motor is stopped.

    CNC, Mechatronics Integration and Custom Machine Design

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    Quote Originally Posted by Al_The_Man View Post
    The MC-60 is SCR bridge (120Hz) controlled, not PWM, You need the MC2100 version for PWM control.
    There is also a mod on the MC60 that avoids having to take the Pot to zero when ever the motor is stopped.
    Thanks! I had things wrong there, either way I know what I'm doing today. Surprised this isn't a more common mod on the 7x from what I'm searching over the last few days.



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    Default Re: 7x mc60 motor controller

    Alright, works great, lots of torque, lots of blown fuses. Any recommendations? I'm thinking a panel mount breaker (w58 or so)

    Turned down a HSS drill bit shank to fit the largest collet I have for the mill (34mm to 7/8") and it went quite well. Surprised how well the Chinese carbide held up and how the machine could handle .020" passes with only mild discomfort.



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    Default Re: 7x mc60 motor controller

    Odd? The MC60 has built in current monitoring and motor control.
    In the T.M. application it generally uses a breaker.

    CNC, Mechatronics Integration and Custom Machine Design

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    Default

    Quote Originally Posted by Al_The_Man View Post
    Odd? The MC60 has built in current monitoring and motor control.
    In the T.M. application it generally uses a breaker.
    I'm guessing the difference comes in where the current limit is on the TM controller vs the fusing on the lathe. Likely due to the difference in motor sizes. Makes sense that I'd pop a fuse before kicking in the MC60 protection.



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