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  1. #1
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    Machining or parts like keyway in coupling hub, how it's done



    Sometimes new coupling hubs required for new or old jobs.
    Most have keyway to be machined out after boring hub.
    Machine shop we use says they will "Hot wire" keyway, what is that ?

    It's called Hot wire EDM & find it amazing what they can do with it.
    Check out Youtube below, new to me, but been around awhile.

    https://www.youtube.com/watch?v=pBueWfzb7P0

    https://www.youtube.com/watch?v=3v6awStgUgM
    Last edited by RANGER1; 04-05-2018 at 10:46 PM.



  2. #2
    Brian_UK's Avatar
    Brian_UK is online now Moderator I am starting to push the Mods: of RE Site Moderator : and general nice guy
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    Re: Machining or parts like keyway in coupling hub, how it's done

    The old fashioned way is to use a broach in a press.

    Youtube here..

    https://www.google.co.uk/url?sa=t&so...N8ZFOD4xbU2nov
    Brian - Newton Abbot, Devon, UK
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  3. #3
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    Re: Machining or parts like keyway in coupling hub, how it's done

    Quote Originally Posted by Brian_UK View Post
    The old fashioned way is to use a broach in a press.

    Youtube here..

    https://www.google.co.uk/url?sa=t&so...N8ZFOD4xbU2nov
    Brian, still in use of course, as hot wire system expensive to purchase.
    A lot of machine shops mass produce with CNC machines, this is just another interesting way of doing things

  4. #4
    Brian_UK's Avatar
    Brian_UK is online now Moderator I am starting to push the Mods: of RE Site Moderator : and general nice guy
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    Re: Machining or parts like keyway in coupling hub, how it's done

    Sure is, our home mancaves are struggling yo keep up nowadays.
    Brian - Newton Abbot, Devon, UK
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