(44/364) 2023-01-25_20-55-59.jpg

43: Screwed up - cut a bit deep into the aluminum, probably just as well - don't want to cut the 1095 spring-steel with the corner.
42: 2023-01-25_20-50-01.jpg
41: Tool path.
40: Connected to RF power amp
39: Added RF connector to FM transmitter
38: Finished printing the ER40 collet holders.
37: lapped down to 2.5um
36: Only 23um [.0009"\
35: Trying aluminum foil on groved plate. Does not wear long - too thin.
34: A good ground clamp

45: got close enough to the screw head to make me nervous.
46: Clearance is clearance..
47: Much better
48: Waiting for the 80TPI screw.
49: Some of what came out of the BRAND-NEW Precision-Mathews lathe transmission.
50: Once again
51: Moving to big bench
52: OK - found my good parrellel ( flat on all sides unlike my other ones) It Rocks!!! I think I finaaly figgured out my problem.
53: Bottom of the oil sump - wide band of flat - -.002" measured on the surface plate. (not the main problem)
54: Top of the spindle - dashed lines show the edge of the wide flat on the oil pan. High places on the left - someone ground them down - but not enough.