Hi all,

Hopefully someone out there can show me where I'm going wrong, The problem is the G-code .NC file that Mastercam x4 produces seems to get messed up in mach 3, I have tried every post processor in the post folder using the default milling machine ( under machine type ) in MCX4 and the the MC post from the artsoft downloads page but to no avail the closest working post I can get seems to be the Fanuc one but instead of doing a 30mm circular pocket that simulates perfectly in MCX4 it comes out looking like a diamond ( please see the G-code below ) if i try to cut the outer contour of the circle it shows up various problems depending which post I use, I have tried the same setting in a friends copy of Mastercam x and all seems good using the default machine type and using the Fanuc post so I'm a little confused.

I'm using the a smoothstepper if that makes a difference?

This is the warning message I get when I try to use the artsoft post

This post was created for an earlier version of Mastercam, Please use the UpdatePost utility to update it to the current version.

UpdatePost is installed as a C-Hook in your C-Hook folder, run it like any C-Hook, To learn more, Start UpdatePost and click the help button.

This is the G-code for a 30 mm circular pocket ,

Any help would be greatly appreciated

%

O0000(TEST POCKET 1)

(DATE=DD-MM-YY - 16-06-10 TIME=HH:MM - 12:28)

(MCX FILE - C:\MCAMX\MCX\T.MCX)

(NC FILE - C:\MCAMX\MILL\NC\TEST POCKET 1.NC)

(MATERIAL - ALUMINUM MM - 2024)

( T219 | 10. FLAT ENDMILL | H0 )

N100 G21

N101 G0 G17 G40 G49 G80 G90

( POCKET CUT )

N102 T219 M6

N103 G0 G90 G54 X.938 Y0. C0. S3500 M3

N104 G43 H0 Z20.

N105 Z2.

N106 G1 Z-1.667 F20.

N107 G3 X-1.875 Y2.813 I-2.813 J0. F150.

N108 X-4.688 Y0. I0. J-2.813

N109 X1.875 Y-6.563 I6.563 J0.

N110 X4.453 Y-6.035 I0. J6.563

N111 X7.5 Y0. I-4.453 J6.035

N112 X0. Y7.5 I-7.5 J0.

N113 X-7.5 Y0. I0. J-7.5

N114 X0. Y-7.5 I7.5 J0.

N115 X4.453 Y-6.035 I0. J7.5

N116 G0 Z.333

N117 Z2.

N118 X10. Y0.

N119 G1 Z-1.667 F20.

N120 G3 X0. Y10. I-10. J0. F150.

N121 X-10. Y0. I0. J-10.

N122 X0. Y-10. I10. J0.

N123 X10. Y0. I0. J10.

N124 G0 Z.333

N125 X.938

N126 G1 Z-3.333 F20.

N127 G3 X-1.875 Y2.813 I-2.813 J0. F150.

N128 X-4.688 Y0. I0. J-2.813

N129 X1.875 Y-6.563 I6.563 J0.

N130 X4.453 Y-6.035 I0. J6.563

N131 X7.5 Y0. I-4.453 J6.035

N132 X0. Y7.5 I-7.5 J0.

N133 X-7.5 Y0. I0. J-7.5

N134 X0. Y-7.5 I7.5 J0.

N135 X4.453 Y-6.035 I0. J7.5

N136 G0 Z-1.333

N137 Z.333

N138 X10. Y0.

N139 G1 Z-3.333 F20.

N140 G3 X0. Y10. I-10. J0. F150.

N141 X-10. Y0. I0. J-10.

N142 X0. Y-10. I10. J0.

N143 X10. Y0. I0. J10.

N144 G0 Z-1.333

N145 X.938

N146 G1 Z-5. F20.

N147 G3 X-1.875 Y2.813 I-2.813 J0. F150.

N148 X-4.688 Y0. I0. J-2.813

N149 X1.875 Y-6.563 I6.563 J0.

N150 X4.453 Y-6.035 I0. J6.563

N151 X7.5 Y0. I-4.453 J6.035

N152 X0. Y7.5 I-7.5 J0.

N153 X-7.5 Y0. I0. J-7.5

N154 X0. Y-7.5 I7.5 J0.

N155 X4.453 Y-6.035 I0. J7.5

N156 G0 Z-3.

N157 Z-1.333

N158 X10. Y0.

N159 G1 Z-5. F20.

N160 G3 X0. Y10. I-10. J0. F150.

N161 X-10. Y0. I0. J-10.

N162 X0. Y-10. I10. J0.

N163 X10. Y0. I0. J10.

N164 G0 Z20.

N165 M5

N166 G91 G28 Z0.

N167 G28 X0. Y0. C0.

N168 M30

%