Recent content by rrgg654

Midpoint along the taper.

Thanks to all that replied so far. I got everything assembled with new bearings and had 3 thou runout at the spindle (a JT33 male stub, not the MT2 female snout spindle). Took the spindle shaft to a machine shop and they say it is straight (< 1/10th of a thou 0.0001") Perplexed for a while...

I have a newer Delta less than 10 years old. The spindle in that press is rock solid. NO discernible play, and zero runout.

These are NTN 6203ZZ

I am assembling the lower spindle assembly on my Delta press. I found taper pins that worked well. Thanks to those that answered my post about that. When I install the assembly up into the quill, I can fell play in the spindle nose. It rocks back and forth ever so slightly. Unacceptable. I...

I am trying to refurbish a 1967 Delta Rockwell drill press model 17-600. The lower spindle shaft has a threaded collar at the end just above the Jacobs taper. It is used in conjunction with a special Jacobs chuck with matching female threaded collar that is used to pull the Chuck onto the taper...

That would be awesome and much appreciated. Thanks! PS Love your avatar

My current Delta drill press (17-965) has a certain amount of lateral movement in the quill, especially at full extension. This is a common issue on modern drill presses as there is no way to compensate for wear in the head where the quill slides up and down. This is not a problem on most...