We have a "new" Hurco from another department with
very few hours.
Everything else is tied up so I decided to give it a try.
I've tried all day to get the cutter comp G41 to work with no success.
Here's a snippet of a program.
Our Hurco post is no good having I, J issues but that is another problem.
That is why I used the Mastercam Robodrill post.

%
O441 (POST2T)
(MASTERCAM - X)
(MCX FILE - T)
(POST - T-21IEL)
(MATERIAL - ALUMINUM INCH - 2024)
(PROGRAM - POST2T.FNC)
(DATE - OCT-05-2010)
(TIME - 9:29 AM)
(POST DEV - IN-HOUSE SOLUTIONS)
(T1 - 3/8 FLAT ENDMILL - H1 - D1 - D0.3750")
(T2 - 3/8 FLAT ENDMILL - H2 - D2 - D0.3720")
(OVERALL MAX - Z2.)
(OVERALL MIN - Z-.687)
N100 G00 G17 G20 G40 G80 G49 G90
N110 T1 M06 ( 3/8 FLAT ENDMILL)
N120 (MAX - Z.25)
N130 (MIN - Z-.687)
N140 G17
N150 G00 G90 G54 S2500 M03
N160 X-.2337 Y.3266
N170 G43 H1 Z.25
N180 G94 G01 Z0. F5.
N190 X-.0975 Y.2918 F12.
N200 G03 X-.051 Y.2859 I.0465 J.1816
N210 X-.0541 Y.259 I.0558 J-.0201
N220 X-.0291 Y.1417 I.6144 J.07
N230 G02 X-.0228 Y.0732 I-.1397 J-.0474
N240 G01 X-.026 Y.0364 Z.0006
N250 X-.029 Y.0014 Z.0037
N260 G00 Z.25
N270 X-.6235 Y-.1875
N280 Z.1
N290 G01 Z-.125 F5.
N300 G41 D1 X-.436 F12.
N310 G03 X-.2485 Y0. I0. J.1875
N320 G02 X.2485 I.2485 J0.
N330 X-.2485 I-.2485 J0.
N340 G03 X-.436 Y.1875 I-.1875 J0.
N350 G01 G40 X-.6235
N360 Z-.025 F125.
N370 G00 Z.25
N380 X-.6205 Y-.1875
N390 Z.1

I've put wear values in as well as fiddled with the mill size
on the tool page with no success.

Where am I making my mistake?

Thank You for your help.

kap Pullen