1. G Function Description
1.2.40 G85: DRILLING CYCLE
Command form:
G85 X Y Z R F K ；
X_ or Y_: hole position data (absolute/increment mode)
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_: feed rate
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
(X,Y) Initial point
Point R
Point Z
point Z
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. G01 command to raise to point R
5. G00 command to raise to initial point(G98) or program point
R(G99)
Notes:
1. before G85 command, use M Code to let the spindle rotate.
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