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

OPERATION
B–62754EN/01
11. SETTING AND DISPLAYING DATA
693
This function is used to compensate for the difference between the
programmed workpiece coordinate system and the actual workpiece
coordinate system. The measured offset for the origin of the workpiece
coordinate system can be input on the screen such that the command
values match the actual dimensions.
Selecting the new coordinate system matches the programmed coordinate
system with the actual coordinate system.
Procedure for Inputting of Measured Workpiece Origin Offsets
Z
z
O’
O
Origin
Previous
offset
New offset
Surface A
Surface B
Programmed workpiece origin
Xx
α
β
1 When the workpiece is shaped as shown above, cut surface A
manually.
2 Move the tool along the X axis without changing the Z coordinate
then stop the spindle.
3 Measure distance β between surface A and the programmed origin of
the workpiece coordinate system as shown above.
4 Press function key
OFFSET
SETTING
.
11.4.11
Input of measured
workpiece origin
offsets

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