Fanuc Power Mate i-D/H Operator Manual

PROGRAMMING
(Common to Power Mate i–D and –H)
B–63174EN/03
5. FEED FUNCTIONS
59
Cutting feedrate can be controlled, as indicated in Table 5.4.
Table 5.4 Cutting Feedrate Control
Function name
G code Validity of G code Description
Exact stop G09
This function is valid for specified
blocks only.
The tool is decelerated at the end point
of a block, then an in–position check is
made. Then the next block is executed.
Exact stop mode G61
Once specified, this function is
valid until G64 is specified.
The tool is decelerated at the end point
of a block, then an in–position check is
made. Then the next block is executed.
Cutting mode G64
Once specified, this function is
valid until G61 is specified.
The tool is not decelerated at the end
point of a block, but the next block is
executed.
NOTE
The purpose of in–position check is to check that the servo
motor has reached within a specified range (specified with
a parameter by the machine tool builder).
In–position check is not performed when bit 5 (NCI) of
parameter No. 1601 is set to 1.
Exact stop G09 IP_ ;
Exact stop mode G61 ;
Cutting mode G64 ;
IP
The inter–block paths followed by the tool in the exact stop mode and
cutting mode are different (Fig.5.4.1).
0
Y
(1)
(2)
Position check
Tool path in the exact stop mode
Tool path in the cutting mode
X
Fig.5.4.1 Example of Tool Paths from Block (1) to Block (2)
CAUTION
The cutting mode (G64 mode) is set at power–on or system
clear.
5.4
CUTTING FEEDRATE
CONTROL
Format
5.4.1
Exact Stop (G09, G61)
Cutting Mode (G64)
Explanations

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