On 01/05/2015 08:48 AM, Gene Heskett wrote: > Hi all; > > Checking for roundover mills, MSC has one thats almost useful, 1/16 > radius but the tip is .047 in diameter. > > This is ebony but its still wood so it carves and sands normally. What I > had in mind was to carve the sheet of ebony with the roundover, then > trade that bit for a mill and cut them out. But my mill choices in the > drawer are .03125. > > That I can code around when I do the cutout, so the only problem is > wasting the ebony. > > My question is: Can these roundover bits actually plow where there is no > 'edge' since the edge would not exist at that time? Plow the double > sided groove, and then cut the piece out of the sheet. With 2" wide > stock, if I cut them out first, then round the edges, I can get 6 pieces > out of 2" but have a heck of a time holding them while doing the > roundover, but if I do the roundover first, I can only get 5. Even so, I > think I cn get the 50 I need from one 1/4" thick, 2" wide, 12" long > sheet. > > Has anyone a better idea? > > Cheers, Gene Heskett Not necessarily better but at least different. I've been dealing with a wimpy mill, akin to a BP. Some plunge cuts with a .500 mill (center-cutting) will cause the x and y reference to shift. So.... drill an entry hole to depth or more, depending on your application. Then use this as an no-stress entry point for the cutter. YMMV. HTH
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