alignment

I spent a lot of time aligning my RT to the spindle. I got it within a thou or so. That was the best I could do. Then, I added a fixture plate to the top of it and aligned that as well. So, I assume means the two are aligned to each other? If I leave the fixture plate on the RT and move the...

The project was to mill out the holes for the feed shaft of a lathe that were badly worn and then seat a bush with the proper ID. This would hold the feed shaft in alignment. The first part of the project went fine; the first hole was square and centered. However the second went south, about 1/4...

Greetings, I've been trying to solve an issue with drilling alignment pin holes on my small aluminum molds. I have tried g-code (circular interpolation) on my mill, and it made ovals (out by about .002-.0015"). Then I decided to try using HSS drill bits. Dowel Pin Diameter: 5mm (.1969")...

I have a Jet drill press. The horizontal locking pin that's supposed to register the table at 90 degrees to the spindle is of course not (90 degrees/level) so I always reset it with a square and some round stock in the chuck. Here's my problem: When I get the table square to the spindle and...