Fanuc Series 15i/150i-MA (Programming) Operators Manual

B-63324EN/03 PROGRAMMING 1.GENERAL
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1.3 PART DRAWING AND TOOL MOVEMENT
1.3.1 Reference Position (Machine-Specific Position)
A CNC machine tool is provided with a fixed position. Normally, tool
change and programming of absolute zero point as described later are
performed at this position. This position is called the reference
position.
Fig.1.3.1 (a) Reference position
Explanations
The tool can be moved to the reference position in two ways:
1. Manual reference position return (See Operation II-3.1)
Reference position return is performed by manual button
operation.
2. Automatic reference position return (See II-6)
In general, manual reference position return is performed first after
the power is turned on. In order to move the tool to the reference
position for tool change thereafter, the function of automatic
reference position return is used.
Reference position
Tool
Workpiece
Table

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