aribert
Cast Iron
- Joined
- Jul 2, 2008
- Location
- Metro Detroit, MI
Backstory:
My step belt head has a bit of backlash when in back gear (holding the spindle and rocking the drive pulley back and forth). In high speed, the backlash is 4 or 5 times as much and the head is quite noisy in operation. A few times with a larger dia. cutter hogging a bit too much, the drive to the spindle literally skipped. I picked up a couple of step belt heads at auction (no motors) for cheap with minimal backlash so I am planning to see if I can cannibalize them for parts. I take for granted there is a problem with both of these heads otherwise they would not have been removed from service.
Now my question - is there any way to statically inspect these two heads (such as play/wear in quill and spindle brgs) - I am wondering if one of these heads might be better repair candidate than the one I have in use. FWIW, one of the parts heads has sealed bearings (I presume, no oil cups) and the 2nd parts head does not have an oil cup for the back/bull gear. What else could/should I be looking into before dismantling? This is for hobby use, only issue is that I don't have mill access while I take my head apart to repair. TIA
My step belt head has a bit of backlash when in back gear (holding the spindle and rocking the drive pulley back and forth). In high speed, the backlash is 4 or 5 times as much and the head is quite noisy in operation. A few times with a larger dia. cutter hogging a bit too much, the drive to the spindle literally skipped. I picked up a couple of step belt heads at auction (no motors) for cheap with minimal backlash so I am planning to see if I can cannibalize them for parts. I take for granted there is a problem with both of these heads otherwise they would not have been removed from service.
Now my question - is there any way to statically inspect these two heads (such as play/wear in quill and spindle brgs) - I am wondering if one of these heads might be better repair candidate than the one I have in use. FWIW, one of the parts heads has sealed bearings (I presume, no oil cups) and the 2nd parts head does not have an oil cup for the back/bull gear. What else could/should I be looking into before dismantling? This is for hobby use, only issue is that I don't have mill access while I take my head apart to repair. TIA