I'm trying to get a "mirror" finish in an internal spherical dish in aluminum. Diameter is about 3/4 inch and depth is about .200 inch in 6061 aluminum in CNC lathe. So far the best we can do is machine and "lap" by finger with car polish. Anyone got any ideas?
I have an application to mill 2mm square "windows" thru 1mm thick 6Al-4V titanium. The "windows" require .5mm corner radii, so I plan to use 1mm dia carbide end mills. Quantities are 3,000 parts with 250 "windows" per part. I have CNC spindle speeds available to...
When maximum material condition is specified in geometeric tolerancing, I understand that a hole near the upper limit of diameter will produce a "bonus" of additional tolerance for location.
Will a hole near the lower limit of diameter create an effect of a "penalty" and...
