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I take no responsibilities for anything resulting from someone else trying any of my construction techniques, I have no idea what I'm doing, and I'm no expert, you have been warned.
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Gathering bits and thoughts.
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Tapping the drill press's taper for mill conversion. Power off right?! Plug unplugged?!?!?!
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One of the engine mounts started to look like the apron of a lathe, so after a few plasma cuts and grindings, it is.
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Finally ground down the rough edges for the lathe table.
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clampup of the apron and the lathebed table (top view)
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clampup of the apron and the lathebed table (bottom view)
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pieced together a fly cutter out of washers nuts and a hose clamp.
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Closeup of fly cutter.
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And now after running the flycutter for several hours and hacksawing the apron in two and filing we have a mostly finished apron, and a thingy to thread for tool feed holder.
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used a grinder setup to get the surface of the tool mover thingy more or less flat
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Closeup of flat surface (its not that good but good enough for now.)
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setup for welding in the bolt for the 4 jawed chuck.
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setup for movable jaw attach points
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setup for other two of four 'jaws' or at least their holders.
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setup for welding other two of the four jaw guides.
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setup for movable jaw attach points
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setup for roughly turning the chuck circular, a grinder was held by hand and the device rotated by hand.
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This shows the homemade bolts for adjusting the jaws, and the round hole drilled in the center. I'll be making a punch for turning these holes square.
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Finally realized I had an airhammer errr make that air precision metal file ;-)
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The base is assembled
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Bent rebar and buildups for bolt nut threads.
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First attempt at putting in bolt threads, failed, welded bits too hard in spots, broke drillbit, had to cut out large section..
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Finished, more or less.
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tail is too long, but I'm going to wait to see where I should cut it off.
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1937 Lathe bed setup after cleaning, might have to make a steel table to keep belts from rubbing.
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1937 Lathe table to keep belts from rubbing, and provide handy hangars.
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1937 Lathe table to keep belts from rubbing, and provide handy hangars.
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Center-steady, knurling tool, and 300#? of ballast to keep things from moving around...
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more handy hangars for 3 and 4 jawed chucks and faceplate, dogs.
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Center-steady, knurling tool, and 300#? of ballast to keep things from moving around...
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more handy hangars for 3 and 4 jawed chucks and faceplate, dogs.
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Shows setup for 8 TPI RH threads.
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Shows setup for 23 TPI RH threads.
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Shows setup for 46 TPI RH threads.
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Shows setup for 36 TPI RH threads.
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Shows setup for 70 TPI RH threads.
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Shows setup for 17.5 TPI RH threads.
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Shows setup for 4 TPI RH threads.
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Shows setup for 35 TPI LH threads, probably not the best way to do this (note missing gear to reverse direction).
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Shows setup for 175 TPI RH threads.
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Shows setup for 350 TPI RH threads.
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Shows setup for 7 TPI RH threads.
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Shows setup for 5.5 TPI LH threads, note extra gear just to reverse direction.
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Shows the little nub used to put the head stock into compound low at a ratio of 6/31st the speed.
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Pull the lever to get a low 6/31st the speed.
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Table of possible gear ratios, note some of the lower speeds might be too hard on the gears, click for better image.
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Spindle speed chart. click for better image.
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Got a piece of steel to hand stuff like oil drip and covers and lights and things off of.