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Thread: How to connect to FIRST CIM Motor (M4-R0062-12)?

  1. How to connect to FIRST CIM Motor (M4-R0062-12)?

    I just got a couple of these motors:

    And I'm now realizing I need a way to "connect" something to the spindle of the motor shaft!

    It has a little groove on the shaft. What kind of part would connect to this thing? I would like to make a pulley out of the motor, so that the motor can wind a string and/or wire. If I could also connect a wheel that would be cool.

    Any suggestions? Thanks all!

    The Space Cowboy
    -= Its all about cams and kars =-

  2. #2
    Join Date
    Dec 2007
    Whidbey Island, WA
    Rep Power

    Re: How to connect to FIRST CIM Motor (M4-R0062-12)?

    Check out They have a bunch of stuff that you can connect to those motors. You can also try Mcmaster...

  3. Re: How to connect to FIRST CIM Motor (M4-R0062-12)?

    Interesting. I'm browsing around to see what I see.

    What am I looking for? Isn't this a standard thing, where you would need to connect "something" to the driveshaft of the motor? I almost wonder what the motor was built for in the first place and how it was designed to interface with something.

    Would this piece be considered a "hub?"

    Would Trossen Robotics have suggestions since they sell the motor?
    -= Its all about cams and kars =-

  4. #4
    Join Date
    Sep 2010
    Rep Power

    Re: How to connect to FIRST CIM Motor (M4-R0062-12)?

    The CIM motor spins at ~5000 RPM at its free speed, so you will most likely need to gear it down somehow. Check out, they have lots of gearboxes. The shafts usually have a spur gear pressed onto them. you could also put a timing pulley on it. the original application of the motor was a boat jack, but it sort has become the staple motor for FIRST drive trains.

  5. Re: How to connect to FIRST CIM Motor (M4-R0062-12)?

    I cannot tell you how much these simple references have helped me.

    I just learned about what "spur gears" and "timing pulleys" are. Also, the website helped tremendously.

    It looks like I need a "machine key," something like this:

    along with a "gear," something like this:

    to get my motor to interface with something else.

    You may take it for granted, this learning curve, but it sometimes take a while to connect the dots.

    Thanks for the help!
    -= The Space Cowboy =-
    -= Its all about cams and kars =-

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