CNC G Code and CNC M Code
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CNC G Code and CNC M Code

G00 - Positioning at rapid speed; Mill and Lathe G01 - Linear interpolation (machining a straight line); Mill and Lathe G02 - Circular interpolation clockwise (machining arcs); Mill and Lathe G03 - Circular interpolation, counter clockwise; Mill and Lathe G04 - Mill and Lathe, Dwell G09 - Mill and Lathe, Exact stop G10 - Setting offsets in the program; Mill and Lathe G12 - Circular pocket milling, clockwise; Mill G13 - Circular pocket milling, counterclockwise; Mill G17 - X-Y plane for arc machining; Mill and Lathe with live tooling.

G18 - Z-X plane for arc machining; Mill and Lathe with live tooling G19 - Z-Y plane for arc machining; Mill and Lathe with live tooling G20 - Inch units; Mill and Lathe G21 - Metric units; Mill and Lathe G27 - Reference return check; Mill and Lathe G28 - Automatic return through reference point; Mill and Lathe G29 - Move to location through reference point; Mill and Lathe (slightly different for each machine) G31 - Skip function; Mill and Lathe G32 - Thread cutting; Lathe.

G33 - Thread cutting; Mill G40 - Cancel diameter offset; Mill. Cancel tool nose offset; Lathe G41 - Cutter compensation left; Mill. Tool nose radius compensation left; Lathe G42 - Cutter compensation right; Mill. Tool nose radius compensation right; Lathe G43 - Tool length compensation; Mill G44 - Tool length compensation cancel; Mill (sometimes G49) G50 - Set coordinate system and maximum RPM; Lathe G52 - Local coordinate system setting; Mill and Lathe G53 - Machine coordinate system setting; Mill and Lathe.

G54~G59 - Workpiece coordinate system settings #1 t0 #6; Mill and Lathe G61 - Exact stop check; Mill and Lathe. G65 - Custom macro call; Mill and Lathe G70 - Finish cycle; Lathe G71 - Rough turning cycle; Lathe G72 - Rough facing cycle; Lathe G73 - Irregular rough turning cycle; Lathe G73 - Chip break drilling cycle; Mill G74 - Left hand tapping; Mill G74 - Face grooving or chip break drilling; Lathe G75 - OD groove pecking; Lathe G76 - Fine boring cycle; Mill G76 - Threading cycle; Lathe G80 - Cancel cycles; Mill and Lathe.

G81 - Drill cycle; Mill and Lathe G82 - Drill cycle with dwell; Mill G83 - Peck drilling cycle; Mill G84 - Tapping cycle; Mill and Lathe G85 - Bore in, bore out; Mill and Lathe G86 - Bore in, rapid out; Mill and Lathe G87 - Back boring cycle; Mill G90 - Absolute programming G91 - Incremental programming G92 - Reposition origin point; Mill G92 - Thread cutting cycle; Lathe G94 - Per minute feed; Mill G95 - Per revolution feed; Mill G96 - Constant surface speed control; Lathe G97 - Constant surface speed cancel G98 - Per minute feed; Lathe G99 - Per revolution feed; Lathe M00 - Program stop; Mill and Lathe.

M01 - Optional program stop; Lathe and Mill M02 - Program end; Lathe and Mill M03 - Spindle on clockwise; Lathe and Mill M04 - Spindle on counterclockwise; Lathe and Mill M05 - Spindle off; Lathe and Mill M06 - Tool change; Mill M08 - Coolant on; Lathe and Mill M09 - Coolant off; Lathe and Mill M10 - Chuck or rotary table clamp; Lathe and Mill M11 - Chuck or rotary table clamp off; Lathe and Mill M19 - Orient spindle; Lathe and Mill M30 - Program end, return to start; Lathe and Mill M97 - Local sub-routine call; Lathe and Mill M98 - Sub-program call; Lathe and Mill M99 - End of sub program; Lathe and Mill

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