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Showing results for tags 'array small end mill'.
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I am cutting small rectangular windows in .062 brass sheet with typically 200-300 windows per sheet. the windows are long and narrow and I cut them out using a .032 end mill treating them as a countour rather than a slot to reduce the metal machined. as a result there is a narrow slug in the center of the window that falls away at the end of the cut. I need to have the cutter enter at the midpoint of the long side in it's lead in arc / ramp but I haven't foound a way to force MasterCam X6 to choose the long side. No sort option I've tried treats all the windows the same, infact some tool paths are pretty squirrely leaving out random windows and coming back to them later (or not at all ). For individual windows, I can choose the entry point, but for sheets of hundreds of these small things, it is incredibly time consuming and prone to error. Using window selection is the fast way, but then Mastercam chooses which side to enter at the midpoint, and even in a totally regular aray, ( and many are made of different sizes of windows ) there is no consistent uniformity in it's choice. occasionally a sort pattern will yeild good results, but more often, entry points will be some odd mix of short and long sides. It wouldn't matter except short sides mean cutter breakage sometimes 3-4 per sheet. At $20 a pop, that adds up really fast. Any ideas, my reseller tech guy is looking for a solution, but I thought I'd try here. Wasn't obvious to him and he teaches the thing. I use MasterCam X6 Mill level 2
