Building a New Lathe

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awemawson:
It's a well known fact that in a home workshop, where virtually all parts are prototypes, the fact that the first (..second ...maybe third !) isn't quite right is a HUGE benefit as otherwise the scrap bin (parts bin) would be empty. A bin of odds and sods from previous project is (I find) a big prompt to the imagination when working out how to make things.

vtsteam:
Why whatever do you mean, Andrew?

vtsteam:
Waiting impatiently for a stepper motor to arrive from a slow shipper. Meanwhile the toothed pulleys and a couple guestimated length toothed belts ordered at the same time arrived from other sources a week ago.

This stuff is for adding the electronic leadscrew drive. I guess it will be at least another couple daysfor the stepper. They just shipped yesterday. :coffee:

vtsteam:
Well surprise, the stepper motor arrived this afternoon....that was fast! Plus I received a hall effect sensor (I already had an uninstalled tach readout w/out a sensor from a few years ago), so, less manual feel and guesswork, moving slightly toward the last century. :whip:

vtsteam:
No photos today, but I've disassembled the headstock again to add the Hall sensor. That required drilling a half inch hole through 3/4" of Zamak with a hand drill on the floor, since my drill press in the tiny shop couldn't fit the headstock in place, end-on, even without the drill table. It was slow going, but eventually accomplished. I'm glad the Hall sensor has a very long stem!

And I have removed the headstock entirely to locate the new stepper motor beneath, between the shears. This should be a very neat installation, with everything hidden except for the two small motor and lead screw pulleys at the back of the headstock. These will replace change gears. The pulleys are 16 and 24 tooth for the stepper and leadscrew respecively.

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