February 6, 201313 yr have everything free and moving. now need to figure out how the treadle will work. basically the length of the support arms that attach the foot pedal to the shaft.
February 6, 201313 yr It was a screw cutting lathe but you seem to be missing a whole lot of parts on the headstock end.
February 6, 201313 yr Matto, That long screw that runs parallel to and below the lathe bed is a lead screw that engages with the carraige to cut threads. The headstock has two gears on it, the large one (called a bull gear) could be part of a back gear drive along with the smaller one. There would have been a small gear at the end of the spindle along with a bunch of change gears would move the carraige at different thread per inch. So I think you are missing the change gears and the bracket/linkage that attaches them to the headstock to drive the lead screw. You are also missing the back gear drive assembly.
February 6, 201313 yr That is an excellent piece of history... Getting it to be a functional lathe... Hmmmm.
February 7, 201313 yr Author Thanks ciladog, do you know of pics of what the back gear drive assembly might look like?? any change gears i can try to remake if i know what they look like.
February 7, 201313 yr Thanks ciladog, do you know of pics of what the back gear drive assembly might look like?? any change gears i can try to remake if i know what they look like. Watch this video. It is about an early screw cutting teadle lathe. It is no where near as old as yours but will explain the parts that are missing. http://video.pbs.org/video/2296983856/
February 7, 201313 yr I bet you could hold at least +/- .1000000" with that lathe. good morning all - were blacksmiths +- a 1/10 is plenty good enought. ;) -grant
February 8, 201313 yr Author ciladog great video. answers some questions. i will try and get some detail pics tomorrow on a couple of parts i have some questions on how to fix. again great video.
February 10, 201313 yr good morning all - were blacksmiths +- a 1/10 is plenty good enought. ;) -grant Exactly right, if you can't see it, you don't need to measure it!
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