Wuhan Huazhong Numerical Control Co., Ltd HNC-18iT, Руководство по программированию

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9. Functions to Simplify Programming
89
9.1.2
9.1.2 9.1.2
9.1.2 End
End End
End Face
Face Face
Face Turning
Turning Turning
Turning Cycle
Cycle Cycle
Cycle (G81)
(G81) (G81)
(G81)
� � � �
Face Face Face Face Cutting Cutting Cutting Cutting Cycle Cycle Cycle Cycle
Programming Programming Programming Programming
G81 X(U)_ Z(W)_ F_
Explanation
Explanation Explanation
Explanation of
of of
of the
the the
the parameters
parameters parameters
parameters
X, Z Coordinate values of end point (point C) in absolute command
U, W Coordinate values of end point (point C) with reference to the initial point (point A)
in incremental command
F Feedrate
+X
z
w
u/2
3F
1R
2F 4R
A
D
B
C
x/2
+Z
Rapid traverse speed
Feedrate
A: Initial point
B: Starting point of cutting
C: End point of cutting
D: Retraction point
Figure 9.6 Face Cutting Cycle (G81)
Function
Function Function
Function
This command can implement the end face cutting. The machining path is
A→B→C→D→A.