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432 11 G-Code Edit, Help, & Advanced Features
11.5 Four Axis Programming
Example 1: Drill
Mount the fourth axis as described above. Mount a part 6” wide and
8” long on the face of the rotary table. Shortest Distance is set to
off.
Drill (10) ten 0.375” holes 36° apart, 1” deep, 0.75” in from the end
of the cylinder. Then, starting at X-2 U0, drill a spiral series of holes
36° and X-0.500” apart each. Set X0 at the right end, Y0 at the
cylinder's center line, U0 at a pre-milled keyway on the cylinder.
Measure tool offsets from the top of the cylinder, with Y-axis at 0.
* 4-AX-DRL
* SET Shortest Distance to "off"
G90 G70 G0 M5
G28 Z0
G53 O1
G0 X0 Y0 U0
T1 *#3 CENTERDRILL
M3 S2400
G81 Z-.22 R.1 F12
M98 P1
T2 * 3/8" DRILL
M3 S1850
G53 O1 *RE-ACTIVATE OFFSET CANCELED IN SUBR #1
G87 Z-1 R.1 F14 I.18 J.012 K.1 U.3334
M98 P1
M2
O1 * ROTARY HOLE LOCATIONS
G0 G90 X-.75 Y0 U0
LOOP 9
G0 G91 U36
END
G0 G90 X-2 U0
LOOP 9
G0 G91 X-.5 U-36
END
G80
M5
G0 G90 G28 Z0 *CANCELS G53 OFFSET
X0 Y0 U0
M99