Wuhan Huazhong Numerical Control Co., Ltd HNC-18iT, Programming Manual

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1. General
10
1.4.4
1.4.4 1.4.4
1.4.4 Setting
Setting Setting
Setting Two
Two Two
Two Coordinate
Coordinate Coordinate
Coordinate Systems
Systems Systems
Systems at
at at
at the
the the
the Same
Same Same
Same Position
Position Position
Position
There are two methods used to define two coordinate systems at the same position.
1)
The coordinate zero point is set at chuck face
40
Ζ
Φ60
Φ40
150
X
Ζ
X
Figure 1.12 The coordinate zero point set at chuck face
2)
The coordinate zero point is set at the end face of workpiece
30
Ζ
Φ60 Φ30
80
X
100
Ζ
X
Figure 1.13 The coordinate zero point set at the end face of workpiece