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| 30 TPI |
Jack needed to cut some threads at 30 threads per inch, but none of the settings on his lathe allowed for this, so he had to make a gear to drive the feed screw. He made the gear cutting one tooth at a time using a rotary index table on his milling machine. He made the gear out of aluminum and so far it seems to be holding up well.
2 comments:
Inheritance Machine is has a series of video on a similar chain.
That's probably where Jack got the idea, he's a big fan.
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