G Codes

Question 1

G00

Answer 1

Rapid

Question 2

G01

Answer 2

Linear Interpolation

Question 3

G02

Answer 3

Circular Interpolation (CW)

Question 4

G03

Answer 4

Circular Interpolation (CCW)

Question 5

G20

Answer 5

Inches

Question 6

G21

Answer 6

Metric

Question 7

G28

Answer 7

Return to machine zero

Question 8

G29

Answer 8

Return to reference point

Question 9

G40

Answer 9

Cutter comp cancel

Question 10

G41

Answer 10

Cutter compensation (left)

Question 11

G42

Answer 11

Cutter compensation (right)

Question 12

G43

Answer 12

Tool length compensation (Add)

Question 13

G44

Answer 13

Tool length compensation (subtract)

Question 14

G49

Answer 14

Cancel height offset

Question 15

G53

Answer 15

Non modal machine coordinate system. (Changes the x and y’s so that it uses the machines coordinates on the cartesian coordinate system.)

Question 16

G54-59

Answer 16

Set work coordinate system

Question 17

G73

Answer 17

High speed peck drill cycle

Question 18

G74

Answer 18

Left handed tapping

Question 19

G80

Answer 19

Cancel canned cycle

Question 20

G81

Answer 20

Canned drill cycle

Question 21

G82

Answer 21

Spot drill canned cycle

Question 22

G83

Answer 22

Normal peck drilling

Question 23

G90

Answer 23

Absolute

Question 24

G91

Answer 24

Incremental

Question 25

G94

Answer 25

Feed per minute

Question 26

G95

Answer 26

Feed per revolution

Question 27

G98

Answer 27

Return to i plane after canned cycle

Question 28

G99

Answer 28

Return to R plane after canned cycle