2.8, 30.2 Circular Arc Multiple Cornering (G 112) (Cent’d)
Alarm
Code
145
145
144
146
146
146
146
14B
Table 2,44
Both P and C specified.
Both Q and D specified
M, S, or T specified.
—
Tool moves in the direction reverse to the center of
circular arc from the start point.
CENTER OF
CIRCULAR ~
A.& &
START
POINT
There is no intersection between circular arc and
straight line.
CENTER OF
CIRCULAR
ARC
K
Q1
R
I
.— -—____
START
POINT
—
There is no intersection between circular arc and end
point command.
Bweling specified by C command cannot be per-
formed.
Beveling specified by
D command cannot be per-
foimed.
‘G’
.
\
EXAMPLE :
a. Arc combined rounding
+x
50.
/r--r +-
‘---’-’”-’
—–z
(GO1 X1OO. Z-50. ;) “““ Shown by broken
line before circular
arc
G112 uOI1O. K-50. P5. Q5. R30. ;
(GOl X-150. ;) . . .
Shown by broken line
after circular arc
b. Arc combined beveling
100.L)l.4
L-
(GO1 x1OO. Z-50. ;) . Shown by broken
G112 UO11O. K-50.
(GO1 Z-150. ;) . . .
line before circular
arc
C5. D5. R30. ;
Shown by broken line
after circular arc
2.8.31 ABSOLUTE/lNCREMENTAL PROGRAMMING
(G 90, G 91)
*
G91 I Incramental designation
For the details of the G codes, see 2.3.5, “ Abso-
lute and Incremental Inputs .“
To Next Page
Loading...
