Added CNC mill and drill project configuration, scripts and examples

examples/CNC_mill_drill_from_gerber/gcode/drill.ngc

@@ -0,0 +1,60 @@
+( pcb2gcode 2.5.0 )
+( Software-independent Gcode )
+
+( This file uses only one drill bit. Forced by 'onedrill' option )
+
+G94       (Millimeters per minute feed rate.)
+G21       (Units == Millimeters.)
+G91.1     (Incremental arc distance mode.)
+G90       (Absolute coordinates.)
+G00 S24000     (RPM spindle speed.)
+
+G00 Z35.00000 (Retract)
+T1
+M5      (Spindle stop.)
+G04 P1.00000
+(MSG, Change tool bit to drill size 0.4mm)
+M0      (Temporary machine stop.)
+M3      (Spindle on clockwise.)
+G0 Z2.00000
+G04 P1.00000
+
+G1 F200.00000
+G0 X-19.50000 Y-73.50000
+G1 Z-2.50000
+G1 Z2.00000
+G0 X-22.00000 Y-73.50000
+G1 Z-2.50000
+G1 Z2.00000
+G0 X-18.50000 Y-84.87500
+G1 Z-2.50000
+G1 Z2.00000
+G0 X-18.50000 Y-97.12500
+G1 Z-2.50000
+G1 Z2.00000
+G0 X-44.00000 Y-73.50000
+G1 Z-2.50000
+G1 Z2.00000
+G0 X-46.50000 Y-73.50000
+G1 Z-2.50000
+G1 Z2.00000
+G0 X-53.50000 Y-73.50000
+G1 Z-2.50000
+G1 Z2.00000
+G0 X-56.00000 Y-73.50000
+G1 Z-2.50000
+G1 Z2.00000
+G0 X-57.50000 Y-84.87500
+G1 Z-2.50000
+G1 Z2.00000
+G0 X-57.50000 Y-97.12500
+G1 Z-2.50000
+G1 Z2.00000
+
+G00 Z35.000 ( All done -- retract )
+
+M5      (Spindle off.)
+G04 P1.000000
+M9      (Coolant off.)
+M2      (Program end.)
+