ACU-RITE CNC 3500i - Manual (Page 432)

406 11 G-Code Edit, Help, & Advanced Features
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The pocket is milled with a side draft angle of three degrees. Z is set
to a step-up increment of .02 in. #152 can be set to a desired value,
perhaps to determine the finish on the sidewalls of the pocket. In this
example, the pocket always has a depth of 1 in., and a draft angle of 3
degrees. The side lengths and Z step may be changed.
To make this program totally independent, the Z depth and draft angle
can be set to variables, and the additional calculations must then be
made.
This program requires the length and width of a rectangle, the cut per
side on the rectangle, and the number of passes around the rectangle.
Variables #150 to #199 are read only. They can be set only in the main
program.
X0 Y0
M2
O100
LOOP((1/#103)+1); * SET LOOP NUMBER (1 IN. DP / .02
STEP) + 1
G91 * SET INCREMENTAL MODAL
G1 Y(-#102); * MILL L.H. SIDE
X#101; * MILL BOTTOM SIDE
Y#102; * MILL R.H. SIDE
X(-#101); * MILL TOP SIDE, BACK TO START
POS'N
X(-#104) Y#104 Z#103; * STEP UP/OVER IN X-Y AND Z
#101 = #101 + (#104*2); * ADD STEPOVER TIMES 2 TO LONG
SIDES
#102 = #102 + (#104*2); * ADD STEPOVER TIMES 2 TO SHORT
SIDES
END * END LOOP
M99