9. Functions to Simplify Programming
85
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Taper
Taper
Taper
Taper Cutting
Cutting
Cutting
Cutting Cycle
Cycle
Cycle
Cycle
Programming
Programming
Programming
Programming
G80 X(U)_ Z(W)_ I_ 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
I
The radius difference between starting point B and end point C. It is negative, if
the radius of point B is less than the radius of point C. Otherwise, it is positive.
F
Feedrate
+X
+Z
z
w
u/2
3R
1R
2F
4R
A
D
B
C
x/2
i
Rapid traverse speed
Feedrate
A: Initial point
B: Starting point of cutting
C: End point of cutting
D: Retraction point
Figure 9.2 Taper Cutting Cycle (G80)
Function
Function
Function
Function
This command can implement the taper cutting. The machining path is A→B→C→D→A.
Summary of Contents for HNC-18iT
Page 27: ...2 Preparatory Function 23 G59...
