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Chapter 10 Zero Return Operation
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Ⅱ
Operation
CHAPTER 10 ZERO RETURN OPERATION
10.1 Program Zero Return
10.1.1 Program Zero
While the part is fixed on the machine, absolute coordinate of current tool position may be set by
G50 code according to the relative position between the tool and the part, so a workpiece coordinate
system is setup. The tool current position is called
program zero
, and this is the program zero return
position.
10.1.2 Program Zero Return Steps
1. Press
key, it enters the Program zero return mode, the bottom line of the window
displays “P. ZERO”:
2. Press the direction key of X, Z , Y, 4
th
, C axis, it returns to the program zero of X, Z , Y, 4
th
or C
axis;
3. The machine axis moves toward the program zero return, and the axis stops with the program
zero return completion indicator ON after the axis returns to the program zero.
Note 1: The tool offset is not changed for the program zero return operation, if there is offset, the return
position is the point set by G50.
Note!
The key functions of this GSK980TDi machine panel are defined by PLC
program (ladders), please refer to the manuals by the machine builder for their
significance.
Please note that the following description for the panel key functions in this
chapter is based on the GSK980TDi standard PLC program!
