02-19-2016, 08:29 AM
(02-07-2016, 09:55 AM)Highpower Wrote: I got the bearings on Friday - a full week ahead of their quoted delivery date. Needless to say I think I found a new supplier. THANKS SUNSET!
I'm afraid I may have to retract that statement. After several emails back and forth with the manager of the local branch, he told me that he would set it up so that all my orders would be shipped over-night to his branch where I could pick them up myself. I placed another order two days ago and again, checking my account on-line I see they still show them coming out of the Alabama branch with a two week delivery time.
I got my mill all back together after replacing the drive spindle bearings and finally installed the MachTach RPM/SFM digital display. At first I thought I had a problem with the tachometer reading because is was showing the RPM was 300 revs OVER what is shown on speed placard attached to the mill head.
I got out my cheapo import hand held laser tach and it was spot on with the MachTach. I know the hand held is accurate because it is spot on to my lathe tach too and I double checked them with a mechanical tach as well. The thing is I can actually hear the the mill is running faster than it used to. Or maybe it's just in my head because the the belt drive is actually quiet now!
Unfortunately it's so quiet now that I can hear the spindle bearings singing a bit. And my drive spindle modification didn't fix my stick-slip issue on the quill. So now I've pulled the quill out looking for that problem, and my shop press is sitting right there, and.....
yes, I've pulled out the spindle and have new bearings on order for that too. (See the top of this post.) The cut outs in the mill head (quill bore) for the quill pinion and depth indicator block are razor sharp and haven't been chamfered or de-burred. (Think 2-stroke cylinder bore.) So I'm going to do that and shine the quill and bore just a very little bit. I also need to check out the straightness of the spindle itself, but it looks good to the nekid eye. Will see what one of my Interapid DTI's have to say about it. Ever forward......
Willie