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

B–62754EN/01
6. SAFETY FUNCTIONS
OPERATION
541
Symbol Description
TY Chuck–shape selection (0: Holding the inner face of a tool, 1: Holding the outer
face of a tool)
CX Chuck position (along X–axis)
CZ Chuck position (along Z–axis)
L Length of chuck jaws
W Depth of chuck jaws (radius)
L1 Holding length of chuck jaws
W1 Holding depth of chuck jaws (radius)
TY :
Selects a chuck type, based on its shape. Specifying 0 selects a chuck
that holds the inner face of a tool. Specifying 1 selects a chuck that
holds the outer face of a tool. A chuck is assumed to be symmetrical
about its Z–axis.
CX, CZ:
Specify the coordinates of a chuck position, point A, in the workpiece
coordinate system. These coordinates are not the same as those in the
machine coordinate system. Table 1 lists the units used to specify the
data.
WARNING
Whether diameter programming or radius programming is
used for the axis determines the programming system.
When diameter programming is used for the axis, use
diameter programming to enter data for the axis.
Table 1 Units
Increment
Data unit
Valid data range
system
IS-A IS-B
Valid data range
Metric input 0.001 mm
0.0001 mm –99999999 to +99999999
Inch input
0.0001 inch
0.00001 inch
–99999999 to +99999999
L, L1, W, W1:
Define the shape of a chuck. Table 2 lists the units used to specify the
data.
WARNING
Always specify W and W1 in radius. When radius
programming is used for the Z–axis, specify L and L1 in
radius.
Table 2 Units
Increment
Data unit
Valid data range
system
IS-A IS-B
Valid data range
Metric input 0.001 mm 0.0001 mm –99999999 to +99999999
Inch input 0.0001 inch 0.00001 inch –99999999 to +99999999

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