10
« on: July 15, 2011, 11:43:11 AM »
Andrew, everyone,
I guess I spoke too soon when I said it worked fine, the setting up for metric worked fine, but then I ran into trouble.
Again this is a Tormach 1100 mill using the Tormach supplied version of MACH 3.
Every time I set up to mill a thread it gives a warning that it is going to rapid Z to a number that is always = to what I program for depth, and then when I air cut the tool path just doesn't look right. I am including below the code the NFW generated for an example cut.
The set up is for Al, using a .75" 10 tooth double bevel cutter. I set it for a 2.0" minor diameter for 16 threads per inch to a depth of 0.5". In the example it is only one pass, and is conv milling for an outside thread.
Besides the rapid Z move I don't understand, I don't get the other Zs moves up to about 2", I don't know if this is because the minor diameter is set to 2" or if it is a coincidence?
Any help someone could provide would be most appreciated.
Terry
(Code by Newfangled Wizard, 7/15/2011)
(Version 2.86)
(Program Posted for Aluminum )
G0 G49 G40.1 G17
G80 G50 G90 G98
G20 (Inch)
(***** Thread Milling *****)
M6 T7
M03 S2546.5
M9
G00G43 H7 Z2
(Right Hand OD Conv)
(WARNING THis is going To RAPID down to Z-0.5)
X1.75 Y0
G00 Z-0.5
G01 X1.375 F47.3
G03 X-1.375 Y0 R1.375 Z-0.4688
G03 X1.375 Y0 R1.375 Z-0.4375
G03 X-1.375 Y0 R1.375 Z-0.4063
G03 X1.375 Y0 R1.375 Z-0.375
G03 X-1.375 Y0 R1.375 Z-0.3438
G03 X1.375 Y0 R1.375 Z-0.3125
G03 X-1.375 Y0 R1.375 Z-0.2813
G03 X1.375 Y0 R1.375 Z-0.25
G03 X-1.375 Y0 R1.375 Z-0.2188
G03 X1.375 Y0 R1.375 Z-0.1875
G03 X-1.375 Y0 R1.375 Z-0.1563
G03 X1.375 Y0 R1.375 Z-0.125
G03 X-1.375 Y0 R1.375 Z-0.0938
G03 X1.375 Y0 R1.375 Z-0.0625
G03 X-1.375 Y0 R1.375 Z-0.0313
G03 X1.375 Y0 R1.375 Z0
G03 X-1.375 Y0 R1.375 Z0.0313
G03 X1.375 Y0 R1.375 Z0.0625
G03 X-1.375 Y0 R1.375 Z0.0938
G03 X1.375 Y0 R1.375 Z0.125
G03 X-1.375 Y0 R1.375 Z0.1563
G03 X1.375 Y0 R1.375 Z0.1875
G03 X-1.375 Y0 R1.375 Z0.2188
G03 X1.375 Y0 R1.375 Z0.25
G03 X-1.375 Y0 R1.375 Z0.2813
G03 X1.375 Y0 R1.375 Z0.3125
G03 X-1.375 Y0 R1.375 Z0.3438
G03 X1.375 Y0 R1.375 Z0.375
G03 X-1.375 Y0 R1.375 Z0.4063
G03 X1.375 Y0 R1.375 Z0.4375
G03 X-1.375 Y0 R1.375 Z0.4688
G03 X1.375 Y0 R1.375 Z0.5
G03 X-1.375 Y0 R1.375 Z0.5313
G03 X1.375 Y0 R1.375 Z0.5625
G03 X-1.375 Y0 R1.375 Z0.5938
G03 X1.375 Y0 R1.375 Z0.625
G03 X-1.375 Y0 R1.375 Z0.6563
G03 X1.375 Y0 R1.375 Z0.6875
G03 X-1.375 Y0 R1.375 Z0.7188
G03 X1.375 Y0 R1.375 Z0.75
G03 X-1.375 Y0 R1.375 Z0.7813
G03 X1.375 Y0 R1.375 Z0.8125
G03 X-1.375 Y0 R1.375 Z0.8438
G03 X1.375 Y0 R1.375 Z0.875
G03 X-1.375 Y0 R1.375 Z0.9063
G03 X1.375 Y0 R1.375 Z0.9375
G03 X-1.375 Y0 R1.375 Z0.9688
G03 X1.375 Y0 R1.375 Z1
G03 X-1.375 Y0 R1.375 Z1.0313
G03 X1.375 Y0 R1.375 Z1.0625
G03 X-1.375 Y0 R1.375 Z1.0938
G03 X1.375 Y0 R1.375 Z1.125
G03 X-1.375 Y0 R1.375 Z1.1563
G03 X1.375 Y0 R1.375 Z1.1875
G03 X-1.375 Y0 R1.375 Z1.2188
G03 X1.375 Y0 R1.375 Z1.25
G03 X-1.375 Y0 R1.375 Z1.2813
G03 X1.375 Y0 R1.375 Z1.3125
G03 X-1.375 Y0 R1.375 Z1.3438
G03 X1.375 Y0 R1.375 Z1.375
G03 X-1.375 Y0 R1.375 Z1.4063
G03 X1.375 Y0 R1.375 Z1.4375
G03 X-1.375 Y0 R1.375 Z1.4688
G03 X1.375 Y0 R1.375 Z1.5
G03 X-1.375 Y0 R1.375 Z1.5313
G03 X1.375 Y0 R1.375 Z1.5625
G03 X-1.375 Y0 R1.375 Z1.5938
G03 X1.375 Y0 R1.375 Z1.625
G03 X-1.375 Y0 R1.375 Z1.6563
G03 X1.375 Y0 R1.375 Z1.6875
G03 X-1.375 Y0 R1.375 Z1.7188
G03 X1.375 Y0 R1.375 Z1.75
G03 X-1.375 Y0 R1.375 Z1.7813
G03 X1.375 Y0 R1.375 Z1.8125
G03 X-1.375 Y0 R1.375 Z1.8438
G03 X1.375 Y0 R1.375 Z1.875
G03 X-1.375 Y0 R1.375 Z1.9063
G03 X1.375 Y0 R1.375 Z1.9375
G03 X-1.375 Y0 R1.375 Z1.9688
G01 X-1.75
G00 Z2
M5 M9
M30