Friday, November 25, 2016

Squaring Tubes With an Milling Machine

Okay, after an hour changing the belt and swearing I would never leave the mill alone on the first try again, it worked well.  I changed the program to cut the top half of the tube one pass, and the bottom of the tube on the second pass.  I also made the first slice at .1" from the nominal end of the tube (in case there were any rough edges sticking out and because it probably isn't square out of the chop saw).  Then .05" from the end, then .01", then 0, then 0.1".  Everything comes out pretty nice with just a little pattern from the finishing mill, which sands out nicely.  Not quite as pretty as squaring it on a lathe, but adequate for my needs.

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