G Codes for CNC Machine Controls

G00

POSITIONING AT RAPID SPEED

G01

LINEAR INTERPOLATION MOVEMENT

G02

CIRCULAR INTERPOLATION

G04

DWELL

G09

EXACT STOP

G10

SETTING OFFSETS IN THE PROGRAM

G12

CIRCULAR POCKET MILLING (CW)

G13

CIRCULAR POCKET MILLLING (CCW)

G17

X-Y PLANE FOR ARC MACHINING

G18

Z-X PLANE FOR ARC MACHINING

G19

Z-Y PLANE FOR ARC MACHINING

G20

INCH UNITS

G21

METRIC UNITS

G27

REFERENCE RETURN CHECK

G28

AUTOMATIC RETURN THROUGH REFERENCE POINT

G29

MOVE TO LOCATION THROUGH REFERENCE POINT

G31

SKIP FUNCTION

G32 AND G33

THREAD CUTTING

G40

CANCEL DIAMETER AND TOOL NOSE OFFSET

G41

CUTTER COMPENSATION (LEFT)

G42

CUTTER ANDTOOL COMPENSATION (RIGHT)

G43

TOOL LENGTH COMPENSATION

G44

TOOL LENGTH COMPENSATION CANCEL

G50

SET COORDINATE SYSTEM AND MAX RPM

G52

LOCAL COORDINATE SYSTEM SETTING

G53

MACHINE COORDINATE SYSTEM SETTING

G54-G59

WORKPIECE COORDINATE SYSTEM SETTINGS

G61

EXACT STOP CHECK

G65

CUSTOM MACRO CALL

G70

FINISH CYCLEG

G71

ROUGH TURNING CYCLE

G72

ROUGH FACING CYCLE

G73

IRREGULAR ROUGH TURNING CYCLE AND CHIP BREAK DRILLING CYCLE

G74

LEFT HAND TAPPING/FACE GROOVING OR CHIP BREAK DRILLING

G75

OD GROOVE PECKING

G76

FINE BORING CYCLE/THREADING CYCLE

G80

CANCELS CYCLES

G81

DRILL CYCLE

G82

DRILL CYCLCE WITH DWELL

G83

PECK DRILLING CYCLE

G84

TAPPPING CYCLE

G85

BORE IN, BORE OUT

G86

BORE IN, RAPID OUT

G87

BACK BORING CYCLE

G90

ABSOLUTE PROGRAMMING

G91

INCREMENTAL P

G92

REPOSITION AT ORIGIN

G94 AND G98

PER MINUTE FEED

G95 AND G99

PER REVOLUTION FEED

G96

CONSTANT SURFACE SPEED CONTROL

G97

CONSTANT SURFACE SPEED CANCEL