
14.TOOL COMPENSATION FUNCTION NC FUNCTIONS B-63782EN/01
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14.15 CUTTER COMPENSATION FOR ROTARY TABLE
For machines having a rotary table, such as that shown in the figure
below, cutter compensation can be performed.
B
A
Z
X
Y
X
Y
Z
Workpiece coordinate system
shows the direction in which the machine moves.
This machine is the one used in the example.
The table coordinate system rotates with the rotation o
the table. Part programs are created in the workpiece
coordinate system.
Table coordinate
system
Fig.14.15 (a) Machine having a rotary table
Format
- Startup (cutter compensation start)
G41.4 (or G42.4) IP_ D_ ;
G41.4: Cutter compensation, left (group 07)
G42.4: Cutter compensation, right (group 07)
IP_ : Value specified for moving an axis
D_ : Code specifying the cutter compensation amount
(1 to 3 digits)
- Cutter compensation cancellation
G40 IP_ ;
G40 : Cutter compensation cancellation (group 07)
IP_ : Value specified for axis moving