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

1.GENERAL PROGRAMMING B-63324EN/03
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1.3.2 Coordinate System on Part Drawing and Coordinate System
Specified by CNC - Coordinate System
Fig.1.3.2 (a) Coordinate system
Explanation
-Coordinate system
The following two coordinate systems are specified at different
locations: (See II-7)
1. Coordinate system on part drawing
The coordinate system is written on the part drawing. As the
program data, the coordinate values on this coordinate system are
used.
2. Coordinate system specified by the CNC
The coordinate system is prepared on the actual machine tool
table.
This can be achieved by programming the distance from the
current position of the tool to the zero point of the coordinate
system to be set.
Fig.1.3.2 (b) Coordinate system specified by the CNC
230
300
Program
zero point
Y
X
Distance to the zero point of a coordinate
system to be set
Present tool position
Z
Program
Y
X
Y
X
Z
Coordinate system
CNC
Tool
Comman
Z
Part drawing
Y
X
Machine tool

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