[cwm1]

I was wondering if anyone can help or direct me in the right direction. I am trying to do a external 1.900''-20 tpi x 1.00"long external thread with a .740 dia single point thread mill on a 1999 vtc 16b with a fusion control. i have tried a few different kinds of software and none of them will produce a code that will get the mazak to helix from the top down .

[psychomill]

Can you post the code you have been trying?

[cwm1]

here is one of the attempts. Any advise?

G53
M06T2T2F25.0
M03S4400F25.0
G90
M08
G00 X1.3680 Y0.4926
G00Z.1
G43 H10 Z0 M3 S4368
G90 G00 X1.3680 Y0.4926 Z-0.4972
G90 G00 G41 D60 X0.8887 Y0.4000
G91 G02 X0.0307 Y-0.4000 Z-0.0028 R2.6238 F18.53
G91 G02 X0 Y0 Z-0.0500 I-0.9193 J0 F18.53
G91 G02 X0 Y0 Z-0.0500 I-0.9193 J0 F18.53
G91 G02 X0 Y0 Z-0.0500 I-0.9193 J0 F18.53
G91 G02 X0 Y0 Z-0.0500 I-0.9193 J0 F18.53
G91 G02 X0 Y0 Z-0.0500 I-0.9193 J0 F18.53
G91 G02 X0 Y0 Z-0.0500 I-0.9193 J0 F18.53
G91 G02 X0 Y0 Z-0.0500 I-0.9193 J0 F18.53
G91 G02 X0 Y0 Z-0.0500 I-0.9193 J0 F18.53
G91 G02 X0 Y0 Z-0.0500 I-0.9193 J0 F18.53
G91 G02 X0 Y0 Z-0.0500 I-0.9193 J0 F18.53
G91 G02 X-0.0307 Y-0.4000 Z-0.0028 R2.6238
G90 G00 G40 X1.3680 Y-0.4926
G90 G00 Z2.0000
M5
M30

[creed106]

Try this if you can start at bottom and come up, this is what I do on haas controls.

T1 m6
G0 G90 G54 X1.5 Y0 M3 S4000
G43 H1 Z1.0 M8
G1 Z-1. F50.0
G1 G41 X.9193 Y0 D01 F18.
G91 G3 I-.9193 Z.05 L22
G0 G90 Z3.
G0 G40 X1.5 Y0
M9
M30



substitute what ever tool numbers.