Thanks Steve and Ross. I am using the machine right now so it will be a few days until I get a chance to look at the Bosch cards and adjust gain, etc. I just ordered a set of casters (
Bassick Low Profile Swivel Caster - 1/2" Threaded Stem) to install on the electric cabinet at the same time, since I have a hard time accessing the side with the servo cards. I will leave the machine running, and don't expect to see any problems. I noticed when I opened the electric cabinet this morning that it was quite warm inside, probably 100 degrees. Is that normal, or should a fan be running at a certain temp.
Also, I have been using the horizontal arbor, so when I returned to using the vertical head and re-trammed the machine I decided to see what the machine geometry looked like, since that should tell me if the gibs are in need of adjustment. I lightly stoned the table and found that the high spots were along the edges of the T-slots. After knocking those down, I checked table height at 9 points, using a centricator with a 1x2x6 granite parallel laid flat in the Y direction to average out the readings. I first tried X = 6" and X = -6",
both generated over limit errors (which I found surprising because the operator's manual says the max. travel is 12" in X). It is actually 300mm or 11.81".
From the operator's perspective, the points are A(-5.5,-4) B(-5.5,0) C(-5.5,4) D(0,-4) E(0,0) F(0,4) G(5.5,-4) H(5.5,0) I(5.5,4)
Table heights measured using 1" thick granite parallel: A:.0008" B:.0006" C:.0009" D:.0002" E:0.0" F:.0004" G".0007" H: .0004" I: .0006"
So it looks like the table rocks a bit, maybe .0004" to .0005" in 5.5" of travel, or .0009" to .0011" in 300mm (11.81") of travel. Is that correctable by tightening the Z gib? I probably should try measuring at different heights, but I don't have the right tooling to extend the centricator (it has an integral sk40 shank), so it would probably be limited to quill travel.
-Dave