cnc part programming m and g code toutorial

direct link for download simulation software is given in download page.

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code for milling

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G0 or G00

Rapid movement

G1 or G01 or L

Linear interpolation

G2 or G02 or DR-

Clockwise interpolation

G3 or G03 or DR+

Anti-clockwise interpolation

G40

Turns off cutter compensation

G41

Cutter compensation to the left

G42

Cutter compensation to the right

G92

Zero point displacement

G87

Rectangular pocket milling

G81, G82, G83, G84

Drill cycle

G90

Absolute programming

G91

Incremental programming

G94

Feed rate in mm/min

G95

Feed rate in mm/revolution

G54

Zero point 1

G55

Zero point 2

G56

Zero point 3

G57

Zero point 4

G58

Zero point 5

G59

Zero point 6

G53

No zero point displacement

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M0 or M00

Program stop

M3 or M03

Spindle start clockwise

M4 or M04

Spindle start anti-clockwise

M5 or M05

Spindle stop

M8 or M08

Coolant on

M9 or M09

Coolant off

M17

Return from subprogram

M30 or M02 or M2

Program end

Feed rate

Spindle speed

Block number

T or TOOL CALL

Tool

Code for the X-axis

Code for the Y-axis

Code for the Z-axis

Incremental distance to the center in the X-axis

Incremental distance to the center in the Y-axis

Incremental distance to the center in the Z-axis

R or Z

Arc <180 degrees

R- or Z-

Arc >180 degrees

Overlapping in pocket milling

Subprogram block number

Subprogram repetitions