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Replacing lead screw shear pin
Microweily lathe shear pin replacement,
How to replace the leadscrew shear pin on a metal lathe,
This video will show you how to replace a leadscrew shear pin on a lathe and some tricks how to do the next replacement even faster
Video link
https://youtu.be/3pvk96MVhss
Thanks for the excellent video
.
What causes that pin to shear? Next time out in the shop I'll have to check my lathe to see if it has a shear pin like that.
In your school shop its
1 turning on the lathe with the split-nut engaged and hitting the work piece
2 improper angles on tool bit – broken tool - result part spins in chuck
3 back feeding and hitting the tail stock