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Gingery Lathe and Accessories
vtsteam:
Patterns for the fly cutter laid up in the mold:
jcdammeyer:
Nicely done. One of the things I did on my Gingery was make a wider casting foot for under the head stock. I cast ears onto it with the intention of pivoting the belt drive countershaft from that instead of the plywood base. I found the wood between the belt/motor assembly and the headstock flexed leading to vibration.
Never did finish that as other projects got in the way.
vtsteam:
The castings broken out. You can see the steel core which will be knocked out to leave a space for the lathe tool.
vtsteam:
Drilling the arbor hole in the base of the fly cutter.
The casting was then bored to size, the cover plate attached with screws, and the casting cleaned up all around.
vtsteam:
After cleanup and boring the base side, the flycutter was turned round and the cover plate was drilled and bored.
The boring tool is homemade, per Gingery -- a piece of 1/4" drill rod (silver steel) forged, hardened, and tempered with the charcoal furnace, then ground to shape. It is somewhat flexible, but will open out a very small bore. You just need patience, and the realization that there is some spring involved. The last few cuts are made without moving the carriage, as the spring in the tool is gradually relieved to finish the bore.
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