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Thread: Facing machine - GIF

  1. #1
    Supporting Member Altair's Avatar
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    EnginePaul (Dec 19, 2022), that_other_guy (Nov 12, 2022), Toolmaker51 (Nov 10, 2022)

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    Supporting Member Toolmaker51's Avatar
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    Toolmaker51's Tools
    Not just facing; it's a horizontal boring mill with bore and facing head; that offsets tool from centerline of spindle. That slot in the front is the amount of travel. The heads can be quite large; after mounting, you really want to assure you are in a lower rpm and feed setting. Largest I've used were 28" to work split case pumps, but not functionally different than a boring head you can hold with one hand. Far more setup than running time, even if doing a set of parts.
    Normally it starts with line boring. Once done, entails manipulating bridge crane for lots of steps; breaking down the casting, stamp ID marks, lifting out the bar, removing lower half of case, resetting cutters, clamping a new half, mount the bar, match the dowels, oil the faces, set a shim (or gasket) mounting top half...might get 3 done per day.
    The facing operation isn't so stringent in tolerance, it really just sets a thrust face or two to regulate end play and slip rings with assembled shaft, impeller, bearings.

    I liked the work, a lot of pucker involved, just had to be methodical. Liked vertical lathes more, because, well, they are even bigger. Like a spindle clutch you step on, shifters long as broomsticks, clocking a 60 or 70 inch casting, sitting next to a 50 horse motor, aiming a boring bar 5 feet long and 4" diameter into the area of work, standing on a ladder to see what your aiming at... Worked on pumps used in New Orleans after Hurricane Katrina, We built 7, took a whole flat bed to transport 1 at a time.

    https://www.google.com/search?client...+orleans+after


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    Last edited by Toolmaker51; Nov 10, 2022 at 02:36 AM. Reason: laying down a little history
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    that_other_guy (Nov 12, 2022)

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