Chapter 7
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UM10372_PCNC440_Manual_0221A
PROgRAMMiNg
7.3.11.2 Cutter Compensation On – G41, G42
To program Cuer Compensaon to the le of the programmed tool path, program: G41 D~
To program Cuer Compensaon to the right of the programmed tool path, program: G42 D~
Word Definition
D~ Tool number associated with the diameter oset to be applied
The D word is oponal; if there is no D word the radius of the currently loaded tool is used (if no tool
is loaded and no D word is given, a radius of 0 is used).
If supplied, the D word is the tool number to use.
To start Cuer Compensaon to the le of the part prole, use G41. G41 starts Cuer Compensaon
to the le of the programmed line as viewed looking down on the mill.
To start Cuer Compensaon to the right of the part prole, use G42. G42 starts Cuer Compensaon
to the right of the programmed line as viewed looking down on the mill.
The lead in move must be at least as long as the tool radius. The lead in move can be a rapid move.
Operator M100-M199 commands are allowed when Cuer Compensaon is on.
It is an error if:
• The D number is not a valid tool number or 0
• Cuer Compensaon is commanded to turn on when it is already on
7.3.12 Dynamic Cutter Compensation – G41.1, G42.1
To program dynamic Cuer Compensaon to the le of the programmed tool path, program: G41.1 D~
To program dynamic Cuer Compensaon to the right of the programmed tool path, program: G42.1 D~
Word Definition
D~ Tip radius mulplied by 2
G41.1 and G42.1 funcon the same as G41 and G42 with the added scope of being able to ignore
the tool table and to program the tool diameter. The L word defaults to 0 if unspecied.
It is an error if:
• The L number is not in the range from 0 to 9 inclusive
• Cuer Compensaon is commanded to turn on when it is already on