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Found 2 results

  1. I'm trying to run a few simultaneous 5 axis surfacing toolpaths on a Haas UMC but I can't get the machine to cut at the correct feedrate. I started out with an angle increment of 3 degrees but the motion was pretty jerky so I reduced it to .5 degrees then .1 degrees. The motion looks smooth now but the toolpath takes far longer to run. According to backplot the toolpaths should've taken a little under a minute and a half but at 3 degrees the actual machining took just under 6 minutes and at .5 degrees probably closer to 20 minutes. I'd imagine .1 degrees would take over an hour. I tried playing with the toolpath tolerances in mastercam as well as the machine's smoothing settings but none of that seemed to help. Is there an easy way to get a simultaneous 5 axis toolpath to cut smoothly and at the feedrate you specify? Thanks
  2. I AM A RETURNING USER OF MASTERCAM. I HAVE NOT USED THE SOFTWARE SINCE 2003. I HAVE USED MANY OTHERS AND CURRENTLY USE GIBBSCAM. I AM INTERESTED IN ANY FEEDBACK I CAN GET REGARDING ARC/FILTER SETTINGS AND SMOOTHING CONTROL RATIOS. I HAVE SEEN SEVERAL PICS ONLINE COMPARING MOLDS MACHINED WITH AND WITHOUT SMOOTHING APPLIED AND I WANT TO KNOW WHAT THE SETTINGS WERE FOR PARTS LIKE THESE WITH THE EXCELLENT FINISHES. I HAVE TO SAY THAT WITH GIBBSCAM MY PARTS LOOK LIKE THE PART WITHOUT THE SMOOTHING SETTINGS. EVEN WITH CUT TOLERANCES AS LOW AS .00002". I DO NOT CUT MOLDS BUT AEROSPACE COMPONENTS FROM BARSTOCK THAT REQUIRE ALOT OF SURFACING. MY GOAL WOULD BE TO REDUCE PROGRAM SIZE IF POSSIBLE WHILE INCREASING THE CUTTING ACCURACY AND FINISH. I HAVE EXCELLENT NEW TOYODA HORIZONTAL MACHINING CENTERS WITH ALL THE BELLS AND WISTLES. I USE HIGH SPEED LOOK AHEAD FUNCTIONS ON THE MACHINING CENTERS AND SMOOTHING OPTIONS ON THE FANUC 31i MODEL A. I DON'T THINK USING ARCS FOR THESE PART CONFIGURATION WOULD FIGURE INTO THE CONVERSATION AS MY SHAPES ARE NOT PARISMATIC IN NATURE. POINT TO POINT CODE IS PROBABLY THE WAY TO GO BUT AT WHAT TOLERANCE. WHEN APPLYING THE .00002" AS I HAVE IN GIBBSCAM I GET ENORMOUSLY LONG CAL. TIMES. I AM RUNNING A i7 2.70GHS PROCESSOR WITH 8GB OF RAM AND NVIDA2000M VIDEO CARD WITH DEDICATED 2GB MEM. LOOKING FOR SOME EXPERIENCED USER ADVICE. THANKS

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