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Thread: Boring a stationary part - GIF

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  2. The Following 6 Users Say Thank You to Jon For This Useful Post:

    Javierhm (Jul 4, 2021), johncg (Jul 4, 2021), mwmkravchenko (Jul 3, 2021), nova_robotics (Jul 7, 2021), that_other_guy (Jul 4, 2021), Toolmaker51 (Jul 9, 2021)

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    I would like to know the application.......and the machine!

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    C Tucker's Avatar
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    I've spent many hours line boring ""stationary" parts, like main bearing bores on big presses. we used a pretty much all shop built hydraulic set up to turn the bar and feed it.

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    nova_robotics's Tools
    Quote Originally Posted by C Tucker View Post
    I've spent many hours line boring ""stationary" parts, like main bearing bores on big presses. we used a pretty much all shop built hydraulic set up to turn the bar and feed it.
    Yup. Line boring is a big deal, particularly on job sites. We did a few 40-ish foot wide ones last year. They weren't continuous, but there were bushings at each end that had to line up. So we needed a bar that long to go between both bushings. It was on one of the two machines in this video (either foreground or background, not sure which).


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    Supporting Member Toolmaker51's Avatar
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    Toolmaker51's Tools
    Quote Originally Posted by that_other_guy View Post
    I would like to know the application.......and the machine!
    The video too brief 'down hole' to be accurately guessed, could be engine cylinder, main bearings, yoke of construction machinery, any of a variety of pumps, infinite range. Near certainly too big or far to haul indoors to a jobber. Can't get a good pause on the label of the rotating head, but one commercial example is called 'Rottler'. Over time many manufacturers, but always called a portable boring bar. Everything is included to mount in place, locate centerline, affix cutters and proceed.



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