FANUC Series 16/18/160/180-Model C for Lathe Operator Manual

PROGRAMMING
2. CONTROLLED AXES
B–62754EN/01
34
The increment system consists of the least input increment (for input ) and
least command increment (for output). The least input increment is the
least increment for programming the travel distance. The least command
increment is the least increment for moving the tool on the machine. Both
increments are represented in mm, inches, or degrees.
The increment system is classified into IS–B and IS–C (Tables 2.3(a) and
2.3(b)). Select IS–B or IS–C using bit 1 (ISC) of parameter 1004. When
the IS–C increment system is selected, it is applied to all axes and the 1/10
increment system option is required.
Table 2.3 (a) Increment system IS–B
Least input increment Least command increment
Metric
system
mm
inp t
0.001mm(Diameter) 0.0005mm
sys
t
em
ma-
i
npu
t
0.001mm(Radius) 0.001mm
a
chine
0.001deg 0.001deg
inch
inp t
0.0001inch(Diameter) 0.0005mm
i
npu
t
0.0001inch(Radius) 0.001mm
0.001deg 0.001deg
Inch
ma
mm
inp t
0.001mm(Diameter) 0.00005inch
ma-
chine
i
npu
t
0.001mm(Radius) 0.0001inch
ce
system
0.001deg 0.001deg
inch
inp t
0.0001inch(Diameter) 0.00005inch
i
npu
t
0.0001inch(Radius) 0.0001inch
0.001deg 0.001deg
Table 2.3 (b) Increment system IS–C
Least input increment Least command increment
Metric
system
mm
inp t
0.0001mm(Diameter) 0.00005mm
sys
t
em
ma-
i
npu
t
0.0001mm(Radius) 0.0001mm
a
chine
0.0001deg 0.0001deg
inch
inp t
0.00001inch(Diameter) 0.00005mm
i
npu
t
0.00001inch(Radius) 0.0001mm
0.0001deg 0.0001deg
Inch
ma
mm
inp t
0.0001mm(Diameter) 0.000005inch
ma-
chine
i
npu
t
0.0001mm(Radius) 0.00001inch
ce
system
0.0001deg 0.0001deg
inch
inp t
0.00001inch(Diameter) 0.000005inch
i
npu
t
0.00001inch(Radius) 0.00001inch
0.0001deg 0.0001deg
2.3
INCREMENT SYSTEM

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