pappleton wrote:I recently had this problem with my '48 colchester master lathe.
I mentioned different classes of fit with taps because I didn't know your background. This is a case of the "right" way of doing something being more complex than the much easier "possibly-OK" way and I didn't want to be a person who insists it must be done the right way in case you weren't in a position to do it that way.Bob.Murphy wrote:taps... are a bit of a blunt instrument.
That's an excellent point. Using the DRO I added to my mill a few months after buying it, I measured the backlash of the X and Y lead screws. For the X the backlash is 0.001" at one end and 0.002" at the other end, 24" away. However, it increases toward the center, reaching a high of 0.023".pappleton wrote: I'd be a bit reluctant to replace either the nut or leadscrew on its own.
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