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SOUTH BEND LATHE MODEL 9C ( 1937-1940 ) 127/100 METRIC TRANSLATION RING GEAR
by timbologist
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This is a Metric Translation gear for cutting metric threads on an imperial leadscrew lathe this was designed for a South Bend lathe model 9C.
photo is of 80/63 translation gear as I don't think this 127/100 would fit my present set up need to make another banjo to make it fit.
The teeth have 14.5 degree pressure angle
The gear has a DP of 18
The module is 1.411
True involute form
The 127 tooth has an designed inside dia of 165mm but ends up about 164mm
The 100 tooth has a design
photo is of 80/63 translation gear as I don't think this 127/100 would fit my present set up need to make another banjo to make it fit.
The teeth have 14.5 degree pressure angle
The gear has a DP of 18
The module is 1.411
True involute form
The 127 tooth has an designed inside dia of 165mm but ends up about 164mm
The 100 tooth has a design
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