I don't think I've ever seen one personally, other than in jig books.
A "watch plate" doesn't sound familiar.
I'm not sure I'd be interested making a watch plate, if it truly is the "ultimate expression of the toolmaker's art." I'm in the middle of my European practical final exam and filing a square hole to an H7 tolerance is just about enough expression for me....
Regards,
Robin
.5° works out to +/-.0043" over one inch. This should be easily achieved using a free-running keyway.
Let us know how you make out..
Regards,
Robin
The shoulder should go into the mounting piece. That makes the two pieces exactly right.
-- Why isn't there an Ozone Hole at the NORTH Pole?
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