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so long story short, i bought an old pre ww2 lathe on a whim a while ago, with some help from you guys i was able to figure out basic turning/ set up
does anyone have a manual for a graysons mini lathe from back in the day, my google fu seems to be very weak, i'm trying to find a chart for thread cutting and which change gears to use to no avail, doesn't help that i don't speak machinist either
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>>1100927
I couldn't find the manual you wanted but I found one for a harbor freight lathe. Here you go OP hope it helps.
http://manuals.harborfreight.com/manuals/93000-93999/93212.pdf
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>>1100927
try here for manuals:
http://vintagemachinery.org/
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>>1100927
you calculate the ratio, you'll need to measure the lead of your leadscew which will likely be imperial and writing down your available gears is also helpful
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https://www.amazon.com/Home-Machinists-Handbook-Doug-Briney/dp/0830615733
That should clear some things for you
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>>1100927
there's no chance of finding a specific chart.
build your own chart by changing gears, making cuts, and checking them with a thread pitch gauge.
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>>1100927
>i'm trying to find a chart for thread cutting and which change gears to use to no avail,
a model number might be helpful
also
>>1102791
>build your own chart by changing gears, making cuts, and checking them with a thread pitch gauge.
this
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