{"data":{"model":{"id":"477520","slug":"south-bend-lathe-model-9c-1937-1940-change-gears-p","name":"SOUTH BEND LATHE MODEL 9C ( 1937-1940 ) CHANGE GEARS PART 2","authorship":"author","club":false,"excludeCommercialUsage":false,"price":null,"eduProject":null,"ratingAvg":"0","myRating":null,"ratingCount":0,"description":"

This is the second part of a set of change gears for cutting threads on an 8TPI imperial leadscrew lathe these was designed for a South Bend lathe model 9C.

The teeth have 14.5 degree pressure angle

The gear has a DP of 18

The module is 1.411

True involute form

are 3/8\" wide with a centre bore of 0.5625\" key is 1/8\"wide

Will put up in sets of 5

This set contains 36,40,44,46,48.

If you have a need for any other gears please let me know and I can look at it for you.

Print Settings

Rafts:

Doesn't Matter

Supports: \n

Resolution:

I used a 0.3

Infill: \n

100 %

Notes:

the centre hole will print under size so will need cleaning out to fit the shafts

and of course clean up around the teeth.

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SOUTH BEND LATHE MODEL 9C ( 1937-1940 ) CHANGE GEARS PART 2

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