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IndustryArena Forum > MetalWorking Machines > Benchtop Machines > started my cnc conversion for Precision Matthews PM-25MV Mill
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  1. #1
    Join Date
    Jan 2018
    Posts
    1516

    Re: started my cnc conversion for Precision Matthews PM-25MV Mill

    Quote Originally Posted by sundewzer View Post

    I am putting mine on a toolbox from Harbor Freight. I am guessing I will have to reinforce it. I went a bit overkill on the motors and went with all NEMA 34 Cleapath motors (CPM-SDSK-3421S-RLS). When I priced it out it was about $100 more than the DMM Servos and I got bigger motors that are all the same. Plus I have used Clearpath in the past and there customer support is next to none. I will using UCCNC with the UC300ETH-UB1 from CNCRoom. To answer you question, I don't know yet. I plan on 3D printing something but I am going to wait until I have it all setup to decided the best spot. The other really nice thing about the clearpath motors is I don't need a large enclosure because the controller are on the motors. All I have is the UC300ETH-UB1 and the power supply which I want in the open for cooling, probably on the back of the mill or toolbox.


    Here is the album for all the picture that I will keep adding to if anyone is interest.
    https://photos.app.goo.gl/ujsUpkb9SF3Q1r8Z7

    I've gone Nema34 as well.
    For peace of mind really. Allows the gibs to be a little tighter than when using Nema23.
    Must admit though there is a bit of weight there on the X table end.
    Would you add something on the other end to balance it a bit?

  2. #2
    Join Date
    May 2019
    Posts
    27

    Re: started my cnc conversion for Precision Matthews PM-25MV Mill

    Quote Originally Posted by dazp1976 View Post
    I've gone Nema34 as well.
    For peace of mind really. Allows the gibs to be a little tighter than when using Nema23.
    Must admit though there is a bit of weight there on the X table end.
    Would you add something on the other end to balance it a bit?
    The clearpath motor are only 4lbs and less than 4" long. I don't think a counter weight is required. If something was needed I would just shift the workpiece closer to the side with the motor on it so you have more overhang on the opposite side.

  3. #3
    Join Date
    Jan 2018
    Posts
    1516

    Re: started my cnc conversion for Precision Matthews PM-25MV Mill

    Quote Originally Posted by sundewzer View Post
    The clearpath motor are only 4lbs and less than 4" long. I don't think a counter weight is required. If something was needed I would just shift the workpiece closer to the side with the motor on it so you have more overhang on the opposite side.
    I'll do that for now and see how it goes.
    Motor + bearing carriers weigh in just shy of 4kg on mine (8.5lb ish).
    My slow progress here:
    https://www.cnczone.com/forums/bench...m25-clone.html

  4. #4
    Join Date
    Jan 2012
    Posts
    163

    Re: started my cnc conversion for Precision Matthews PM-25MV Mill

    Quote Originally Posted by dazp1976 View Post
    I'll do that for now and see how it goes.
    Motor + bearing carriers weigh in just shy of 4kg on mine (8.5lb ish).
    My slow progress here:
    https://www.cnczone.com/forums/bench...m25-clone.html
    wow your doing a great job!

  5. #5
    Join Date
    May 2019
    Posts
    27

    Re: started my cnc conversion for Precision Matthews PM-25MV Mill

    Quote Originally Posted by dazp1976 View Post
    I'll do that for now and see how it goes.
    Motor + bearing carriers weigh in just shy of 4kg on mine (8.5lb ish).
    My slow progress here:
    https://www.cnczone.com/forums/bench...m25-clone.html
    I love the enclosure! That is way more industrial than my plans. All you need now is a chip auger

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