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Found 3 results

  1. Can anyone tell me how to convert rapid moves to a set feed rate using mastercam18? i have 5000 lines of code and for whatever my reason my lathe wont accept it with rapid moves. when i convert the first couple rapid moves to feed it runs fine. the code is good, machine doesnt alarm out, it just sits there when it gets to the first rapid move. i included the code. the last line is when it just sits there doing nothing. but will orientate initially just fine O0000(TEST) (DATE-01-08-22 10:20 AM) G20 (TOOL-9OFFSET-9) ( 1/16 BALL ENDMILL) (DOOSAN C-AXIS LATHE) G54 N9 T0909 G98 M23 M90 G0 C103.638 (has no problem with initial orientation) M88 G0 X5.2 Z-.4242 M8 G97 S2500 M51 X4.9 G1 X4.6933 F1. X4.6923 Z-.3935 C102.87 F139.71 C108.321 F195.37 X4.6913 Z-.3628 C108.325 F1. X4.9 F50. G0 X5.2 Z-.3935 C108.321 (this is where it sits there, if i change it to a G01 with a feed it does fine)
  2. I have created a program that finishes with a 4-axis rotary tool path. I am using a Haas VF2 with the Generic 4-axis haas post from MasterCam. It's about 80K lines of code that get output using G93 Inverse time feed. Feed is non-modal when using G93 so there needs to be an F-value on every single line while G93 is active. About 1 out of every 20 lines does not have an F value and I can't figure out why.. any thoughts as to how I can fix this? Thanks, Al
  3. Hi guys, Here's what we need. a 6-32 tapped hole thru cast 1/4" thick. Thread minor has to be .109 to .112. Hole is made with .125 carbide drill. The roll tap give a nice minor dia, but were eating thru the taps like no tomorrow. The operator has been going thru about 8 taps a shift. Originally the program had the tap rpm set to 1000 with a feed of 37.5. I thought that was way too fast. the first couple flutes on the tap would get burned up in no time. So i slowed the S&F down. But I dont think I slowed it down enough. Currently its set at S750 F23.4375. I was reading thru some of these forums and many people said that the max rpm for small dia tapping was around 200-250 rpm. If I need to slow the tap down to prolong its life, then I guess thats what i have to do. Only thing that will affect is longer cycle times. What are your thoughts on this issue? Could I start with a smaller hole and use a plug tap? Is it the coolant? What variables am i missing? Thanks, Matt

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