1. Hi
    I've finally go back to building the hot wire cutter but I'm struggling to get the lead screws which are M10x1.5 thread rod connected to my stepper motors. I basically need to get one end turned down to 1/4" to match the motors. Does anyone know of anybody in the Rotherham area with a lathe that can do this. I don't mind paying for it as long as its reasonable

  2. #2
    you could always look in the yellow pages

    rckeith

  3. #3
    i2i's Avatar
    Lives in Cardiff, United Kingdom. Last Activity: 23-12-2016 Has been a member for 7-8 years. Has a total post count of 693. Received thanks 30 times, giving thanks to others 0 times.
    you can buy couplers with different sized ends, if the ballscrew has a turned diameter already.

  4. #4
    Quote Originally Posted by i2i View Post
    you can buy couplers with different sized ends, if the ballscrew has a turned diameter already.
    Sounds like it's threaded rod not ballscrew. Either way I could do it, but I'm quite far away...could post it I suppose. Probably cheaper for me to buy the threaded rod (about 5/m for M10 stainless), machine it and post.

    Normally I'd advise against threaded rod as the efficiency and accuracy is not great, unless you use the angled bearing as a nut method that I started off with. However I doubt it matters much for a foam cutter.

  5. #5
    i2i's Avatar
    Lives in Cardiff, United Kingdom. Last Activity: 23-12-2016 Has been a member for 7-8 years. Has a total post count of 693. Received thanks 30 times, giving thanks to others 0 times.
    it does sound that way..

    you could thread the coupler to suit the leadscrew.

  6. #6
    Quote Originally Posted by i2i View Post
    1
    you could thread the coupler to suit the leadscrew.
    True, but the thread needs to be nicely on centre...

    Edit: Well, that depends on the coupling you use.

  7. #7
    i2i's Avatar
    Lives in Cardiff, United Kingdom. Last Activity: 23-12-2016 Has been a member for 7-8 years. Has a total post count of 693. Received thanks 30 times, giving thanks to others 0 times.
    it will, all this depends on what he has available. It's easy for us with plenty of gear to suggest options.

    Might be an idea to take a look down a nearby industrial estate for a machine shop to sort this.

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