FANUC Series 16/18/160/180-Model C Machining Center Operators Manual

PROGRAMMING
15. COMPENSATION FUNCTION
B–62764EN/01
346
Tool compensation values include tool geometry compensation
values and tool wear compensation (Fig. 15.8 (a)).
OFS
G
OFS
W
OFS
G
:Geometric compensation value
OFS
W
:Wear compensation value
Reference position
Fig15.8 (a) Geometric compensation and wear compensation
Tool compensation values can be entered into CNC memory from the
CRT/MDI panel (see section III–11.4.1) or from a program.
A tool compensation value is selected from the CNC memory when the
corresponding code is specified after address H or D in a program.
The value is used for tool length compensation, cutter compensation, or
the tool offset.
Table 15.8(a) shows the valid input range of tool compensation values.
Table15.8 (a) The valid input range of tool compensation value
In-
cre-
ment
Geometric compensation value Wear compensation value
ment
sys-
tem
Metric input Inch input Metric input Inch input
IS–B 999.999 mm 99.9999inch 99.999 mm 9.9999 inch
IS–C 999.9999 mm 99.99999inch 99.9999 mm 9.99999 inch
The memory can hold 32, 64, 99, 200, 400, 499, or 999 tool compensation
values (option).
Address D or H is used in the program. The address used depends on
which of the following functions is used: tool length compensation(see
II–15.1), tool offset (see II–15.3), cutter compensation B (see II– 15.4),
or cutter compensation C (see II–15.6).
The range of the number that comes after the address (D or H) depens on
the number of tool compensation values : 0 to 32, 0 to 64, 0 to 99, 0 to
200, 0 to 400, 0 to 499, or 0 to 999.
15.8
TOOL COMPENSA–
TION VALUES,
NUMBER OF
COMPENSATION
VALUES, AND
ENTERING VALUES
FROM THE
PROGRAM (G10)
Explanations
D Valid range of tool
compensation values
D Number of tool
compensation values
and the addresses to be
specified

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