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Author Topic: mach3 support G43.4 g-code or not  (Read 110 times)

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mach3 support G43.4 g-code or not
« on: April 07, 2021, 06:59:12 AM »
Hello the professional in mach3 software,
I need some help , I use NX CAM to generate G-code but NX CAM show G43.4 same as Fanuc but it seems mach3 unknown G43.4 
Mach3 know G43 only , How to do if need mach3 run with G43.4 ? Pls advise me.

Re: mach3 support G43.4 g-code or not
« Reply #1 on: April 09, 2021, 05:17:27 AM »
I'm not sure about Mach3...I haven't used it for six years or so......but Mach4 has a similar idea to what you are asking.

Code: [Select]
G43/G44 – Tool Length Offset
Activates a tool length offset selected with H. When activated the position DROs will be updated to
display the position of the program point of the tool, generally the tip. The tool offset can be applied in
the positive direction with G43 or in the negative direction with G44. Generally G43 will be used to
apply the tool offset. There are a number of ways of touching off a tool and determining the offset
value, see tool offsets in the operation manual for more details, but they are all called and applied the
same way.
Format: G43 H__ X__ Y__ Z__
If axis positions are specified in the same block as G43 the machine will move to the commanded point.
If the axes are omitted there will be no motion.

So the syntax in Mach4 is
G43Hnnn   where nnn is the tool offset to apply.

Mach4 in general, and was designed to be consistent with Fanuc 21i Gcode...and it is very very close.

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Offline Graham Waterworth

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Re: mach3 support G43.4 g-code or not
« Reply #2 on: April 09, 2021, 01:07:38 PM »
I do not think the kinematics stuff is in Mach4 yet,  G43.4 is all part of 5 axis and the use of TCP/TWP setup of the machine.
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