activate helical interpolation fanuc 21i MA

[timoteo]

Can I get assistance with the procedure to activate helical interpolation on fanuc 21i ma.

I have just begun using onecnc xr7 mill expert. The vendor created a post processor. First attempt stopped and issued Alarm 21: illegal plane axis commanded. Searching resulted in fanuc 16i needing Parameter 9930 bit 3 turned on. I've checked this parameter and bit 3 is off. I attempted to turn bit 3 on, but it changes back to off. Does anyone know the parameters and the process required to activate helical.

Thanks,

Timoteo

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[agering]

Possibly installed software does not support this option. You need try to install other series/version of software. Please, tell me private your PM.

[generaldisarray]

Helical can be an option. I have not seen it not included as standard in the USA for decades, but is is up to the MTB I guess. I helical all the time on a Fanuc 6.
I suspect you code is bad please post it.
You should call Fanuc and they will tell you if that option is enabled on that serial number. Option parameter numbers may not be the same from a 16 to a 21, and you cannot just change them anyhow.

[generaldisarray]

Here try this. helix down in a 2.0 inch circle with a .5inch endmill .1 depth per pass with wear type cutter comp. arcs are broken at quadrants

%
O1000
G20
G0 G17 G40 G49 G80 G90
(1/2 FLAT ENDMILL|TOOL - 1|DIA. OFF. - 1|LEN. - 1|TOOL DIA. - .5)
T1 M6
G0 G90 G54 X-.3809 Y.0085 A0. S2000 M3
G43 H1 Z.25
M8
Z.1
G1 Z0. F10.
G41 D1 X-.6158 Y.094 F20.
G3 X-.65 Y.1 I-.0342 J-.094
X-.75 Y0. I0. J-.1
X0. Y-.75 Z-.025 I.75 J0.
X.75 Y0. Z-.05 I0. J.75
X0. Y.75 Z-.075 I-.75 J0.
X-.75 Y0. Z-.1 I0. J-.75
X0. Y-.75 Z-.125 I.75 J0.
X.75 Y0. Z-.15 I0. J.75
X0. Y.75 Z-.175 I-.75 J0.
X-.75 Y0. Z-.2 I0. J-.75
X0. Y-.75 Z-.225 I.75 J0.
X.75 Y0. Z-.25 I0. J.75
X0. Y.75 Z-.275 I-.75 J0.
X-.75 Y0. Z-.3 I0. J-.75
X0. Y-.75 Z-.325 I.75 J0.
X.75 Y0. Z-.35 I0. J.75
X0. Y.75 Z-.375 I-.75 J0.
X-.75 Y0. Z-.4 I0. J-.75
X0. Y-.75 Z-.425 I.75 J0.
X.75 Y0. Z-.45 I0. J.75
X0. Y.75 Z-.475 I-.75 J0.
X-.75 Y0. Z-.5 I0. J-.75
X0. Y-.75 I.75 J0.
X.75 Y0. I0. J.75
X0. Y.75 I-.75 J0.
X-.75 Y0. I0. J-.75
X-.65 Y-.1 I.1 J0.
X-.6158 Y-.094 I0. J.1
G1 G40 X-.3809 Y-.0085
G0 Z.25
M5
G91 G28 Z0. M9
G90 G54 X0. Y0.
M30
%

[memoryman]

Helical interpretation is a standard option for software version DDF1. Enabling options may require a procedure that includes entering a password.