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

6. SAFETY FUNCTIONS
B–62754EN/01
OPERATION
542
Z
Origin of the
workpiece
coordinate
system
L
L1
L2
D3
D2 D1 D
TZ
Work-
piece
B
Symbol
Description
TZ Tailstock position (along the Z–axis)
L Tailstock length
D Tailstock diameter
L1 Tailstock length (1)
D1 Tailstock diameter (1)
L2 Tailstock length (2)
D2 Tailstock diameter (2)
D3 Tailstock diameter (3)
TZ :
Specifies the Z coordinate of the chuck position, point B, in the
workpiece coordinate system. These coordinates are not the same as
those in the machine coordinate system. Table 3 lists the units used
to specify the data. A tailstock is assumed to be symmetrical about its
Z–axis.
WARNING
Whether diameter programming or radius programming is
used for the Z–axis determines the programming system.
Table 3 Units
Increment
Data unit
Valid data range
system
IS-A IS-B
V
a
lid d
a
t
a 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, L2, D, D1, D2, D3:
Define the shape of a tailstock. Table 4 lists the units used to specify
the data.
WARNING
Always specify D, D1, D2, and D3 in diameter programming.
When radius programming is used for the Z–axis, specify L,
L1, and L2 in radius.
D Setting the shape of a
tailstock barrier

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