1. G Function Description
1.2.44 G89: BORING CYCLE OF DWELL ON THE
HOLE BOTTOM
Command form:
G89 X Y Z R P F K ;
X_ or Y_: hole position data (absolute/increment position)
Z_:
G91: the distance from the bottom of the hole to point Z (directional)
G90: program position of point Z
R_:
G91: the distance from initial level to R point level (directional)
G90: program position of point R
P_: dwell time at the bottom of the hole (s)
F_: feedrate
K_: number of repeats (repeat moving and drilling, G91 is effective)
X, Y, Z, R is absolute or increment mode, decided by G90/G91.
PIC:
G98
G99
(X,Y) Initial point
Point R
pointZ
Dwell P(s)
(X,Y) Initial point
Point R
Point Z
Dwell P(s)
Description:
1. use G00 to positioning to specified (X,Y) when start to perform
2. use G00 to reach specified point R.
3. use G01 to reach point Z the bottom of the hole
4. dwell P (s)
5. use G01 to raise to point R
6. use G00 to raise to initial point (G98) or program point R(G99)
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