How much material should I leave for an interferance fit?
I need to make a part for my mortiser. It's a shaft that is used to move the table left/right. The hand wheel is a press fit with a keyway. The diameter is about 5/8" with the rest of the shaft being 3/4". I lost the original shaft a couple of days ago and for the life of me can't find it.
Also, the shaft has a gear which will be on it that has a taper pin. The only taper pin drill bits I've found have been McMaster at $60+. Any other sources and can it be drilled to match the gear? The gear also has a set screw so I think I can live without it.
Thanks,
Marty