Search Results - Practical Machinist - Largest Manufacturing Technology Forum on the Web
Close
Login to Your Account

Search:

Type: Posts; User: JST

Search: Search took 0.05 seconds.

  1. Replies
    19
    Views
    1,877

    Just to toss some numbers into the mix, here.... ...

    Just to toss some numbers into the mix, here.... A prior employer had an old 13" SB lathe in what passed for the toolroom.

    That machine had a spindle clearance spec which allowed from 1.5 thou...
  2. Replies
    19
    Views
    1,877

    The actual "RPM" is not very important. The...

    The actual "RPM" is not very important.

    The key issue seems to be the "oil shearing speed" of the spindle vs the stationary bearing. That will depend on spindle diameter, so the slower speeds...
Results 1 to 2 of 2