1. #1
    Hi, first post in a while since getting my desktop cnc lathe and its bigger brother operational.

    I have decided to create some small wooden knife handles and am currently
    currently limited to round parts. These are fun but I want something oval and 3d
    carved.

    I don't have a 4 axis CNC router and my mill is ages away from CNC
    completion. What I do have is a small CNC lathe that I want to alter to
    have a stepper controlled chuck (C Axis I believe) and a router fixed on the
    X axis. From want I have seen online, a lot of 4 axis CNC Routers just
    follow the centre line of a rotational part and 3D carve it (Effectively 3
    Axis as the 4th doesn't get used).

    Could this principle be applied to my lathe as it will effectively have 3
    axis control? I can't see the difference but I am probably missing
    something vital.

    Thanks,
    Chris

  2. #2
    Hi Sooty
    Have a look @ this http://www.practicalmachinist.com/vb...elipse-186593/
    There are some pointers regarding code for the lathe,
    Regards
    Mike

  3. #3
    Thanks for the info I will have a read.

    I have an additional question, should I use a larder belt drive pulley on the chuck than the stepper. I figure if the stepper has a smaller pulley I will get better resolution? or does this not matter?

    thanks!

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