System information

SECTION FOUR - PREPARATORY FUNCTIONS (G CODES)
The figure below “Inside CW Finish Circle” shows the tool path of the following program. The
figure below “Inside CCW Finish Circle” shows the same program with the change indicated in
line N9.
Circular Finish Inside Program
N1 G20 G90 (Inch/Absolute)
N2 G00 X0 Y0 (rapid to center of pocket)
N3 S1000 M3 D1 G43 H1 (spindle CW-1000 RPM; calls tool #1's offsets)
N4 G99 (return Z to clearance plane)
N5 F20 (X-Y feedrate)
N6 P150=1 (pocket radius)
N7 P153=0 (X-Y finish stock) **
N8 P154=0 (Z finish stock)
N9 G25 G42 G2 V-.3 R.1 P199=1 F5 Z-.5 Q.2
*1 *2 *2 *3 *4 *5 *6 *7 *8
*1 Executes circle finish inside
*2 CW right or "G41 G3" CCW left
*3 First Z depth
*4 Clearance plane
*5 Ramp Z down
*6 Z feedrate
*7 Final Z depth
*8 Z increment
** XY finish stock and Z finish stock are zeroed at the beginning of each program.
Inside CW Finish Circle Inside CCW Finish Circle
N9 G42 G2 selects CW N9 G41 G3 selects CCW
circle and right direction and left
cutter compensation cutter compensation
220