9. Functions to Simplify Programming
109
9.2.3
9.2.3
9.2.3
9.2.3 Pattern
Pattern
Pattern
Pattern Repeating
Repeating
Repeating
Repeating (G73)
(G73)
(G73)
(G73)
Programming
Programming
Programming
Programming
G73 U(
Δ
I) W(
Δ
K) R(r) P(ns) Q(nf) X(
Δ
x) Z(
Δ
z) F(f) S(s) T(t)
Explanation
Explanation
Explanation
Explanation of
of
of
of the
the
the
the parameters
parameters
parameters
parameters
U(
△
I)
distance and direction of total roughing allowance in the X direction
(radius designation).
W(
△
K)
distance and direction of total roughing allowance in the X direction
(radius designation)
R(r)
Repeated times of cutting
P(ns)
Sequence number of the first block for the finishing program.
Q(nf)
Sequence number of the last block for the finishing program.
X(
△
x)
Distance and direction of finishing allowance on X axis
Z(
△
z)
Distance and direction of finishing allowance on Z axis
F(f), S(s), T(t)
F, S, T function are only effective for the rough machining, i.e, it is not
effective in the finishing program – between P(ns) and Q(nf).
●
1
A
′
1
A
●
A
Δz
Δx/2
Δz
Δk+Δz
ΔI+Δx/2
Δx/2
A
′
’
B
Figure 9.26 Pattern Repeating (G73)
Содержание HNC-18iT
Страница 27: ...2 Preparatory Function 23 G59...