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Thread: Homemade line boring machine - video

  1. Feb 5, 2020, 03:30 PM #1
    Jon
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    Homemade line boring machine - video

    Homemade line boring machine. By naz naz. 1:32 video:




    Previously:

    Vintage tunnel boring machine - GIF
    Snake arm robot for inspecting tunnel boring machine - GIF
    1943 giant Betts horizontal boring machine - photos

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  3. Feb 5, 2020, 07:47 PM #2
    Frank S
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    As many know this is all too familiar to me
    I like having my bearings mounted a couple inches away form the end of the bore to allow for better viewing and bit run off

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  5. Feb 5, 2020, 09:17 PM #3
    C Tucker
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    I've line bored a lot of punch presses, but never had to hand feed. We always had our carrier bearings set back a ways too. Problems I had, were related to the temperature of the hydraulic oil in our system. Anytime the temp of the oil changed, we had a slight change in feedrate or RPM. I have once line bored a 1300 ton forge press in freezing temperatures.
    This guy wouldn't have to worry about that



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