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nc_files/SC-0238.ngc

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+; SAFETY PIN BLOCK - SC-0238
+; Tool 1: 1/4" Endmill (Slots)
+; Tool 2: 11mm or 27/64" Drill (Pilot for M12 Tap)
+
+#<_z_clearance> = 0.200
+#<_slot_depth>  = -0.190 ; Slot depth per drawing
+#<_drill_depth> = -1.384 ; Drill depth for M12 tap
+
+M03
+F10
+
+; --- OPERATION 1: TWO 1/4" SLOTS ---
+; Slot 1 (Y0.25 to Y0.50)
+;G0 X-0.125 Y-0.375
+;G1 Z#<_slot_depth> F8
+;G1 X0.750 F12
+;G0 Z#<_z_clearance>
+
+; Slot 2 (Y0.75 to Y1.00)
+;G0 X-0.125 Y-0.875
+;G1 Z#<_slot_depth> F8
+;G1 X0.750 F12
+;G0 Z#<_z_clearance>
+
+; --- OPERATION 2: AUTOMATED DRILLING (M12 PILOT) ---
+; Change to 11mm / .433 Drill ; Pause for tool change
+;M03
+G0 X-0.75 Y-0.375 Z0.2
+G4 P2
+; Center of M12 hole
+; G83 Peck Drill: R=Clearance, Q=Peck increment, P=Dwell
+G83 Z#<_drill_depth> R#<_z_clearance> Q0.300 F10
+G80 ; Cancel drill cycle
+
+G0 X0.25 Y-0.24075
+G1 Z-0.75
+G3 X0.25 Y-0.50925 R0.13425 F12
+G1 Z-1.25
+G2 X0.25 Y-0.24075 R0.13425 F12
+
+G0 Z0.2 
+; --- OPERATION 3: LOCATE SIDE HOLE ---
+;G0 X0.25 Y-0.375 Z#<_z_clearance> ; Hole location 1.625 from top
+(MSG, MANUALLY DRILL .3230 SIDE HOLE) ; Pause for manual drill
+
+M05
+M30
+%