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  1. #166
    Join Date
    Aug 2009
    Location
    Sydney, NSW, Australia
    Posts
    1,836

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    Thanks Baron absolutely love this lathe having a bunch of fun with it, i was umming and arring if i should place the cutting tip 45 or 90 degrees will there be any flex if i go 45? While i was machining the 6mm diameter i noticed the thin end was ever so slightly flexing but it was pulling back into line and machining

    Do u think i can use the round allen head lock bolt or should i get the M5 grub screw?

  2. #167
    Join Date
    Sep 2012
    Location
    York, North Yorkshire UK
    Posts
    6,436

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    Hi Gazza,

    It hardly matters which screw you use ! As long as it doesn't interfere with the work piece or the chuck.

    One trick I have used with a much larger diameter round boring bar used to get into a fairly deep blind hole, is to drill through the threads of a cap screw, just under the head, in my case a 1/8" inch round carbide pin and screw it into a threaded hole in the end of the boring bar. The idea being to trap and secure the toolbit with the screw.
    Best Regards:
    Baron J.

  3. #168
    Join Date
    Aug 2009
    Location
    Sydney, NSW, Australia
    Posts
    1,836

    Default

    That might be easier Baron, i also changed the speed of the machine its about 40% quieter

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