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Cnc > Codes > Flashcards

Codes Flashcards

1
Q

G90

A

Absolute

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2
Q

G91

A

Incremental

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3
Q

G28

A

Machine Home

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4
Q

G54

A

Part Home

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5
Q

G00

A

Rapid Traverse

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6
Q

G01

A

Linear Interpolation

Needs a feed rate

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7
Q

;

A

End of block (EOB)

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8
Q

H

A

Tool Height

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9
Q

D

A

Tool Diameter

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10
Q

F

A

Feed Rate

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11
Q

M06

A

Tool Change

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12
Q

M08

A

Coolant On

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13
Q

M09

A

Coolant Off

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14
Q

%

A

The pre and Post cursor of a program

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15
Q

O

A

The letter “O” is the beginning of all programs. It is only preceded by the percent sign.

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16
Q

G02

A

Circular Interpolation, Clockwise

See: IJK & R

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17
Q

G03

A

Circular Interpolation,
Counter Clockwise
See: IJK & R

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18
Q

G40

A

Cutter Compensation Cancel

19
Q

G41

A

Cutter Compensation Left of the programmed path

20
Q

G42

A

Cutter Compensation Right of the programmed path

21
Q

G43

A 
Tool Length Compensation +
See H (height)
22
Q

G53

A

Machine Coordinate Positioning, Non-Modal

23
Q

G80

A

Canned Cycle Cancel

24
Q

G81

A

Drilled Canned Cycle

25
Q

G82

A

Spot Drill Canned Cycle

26
Q

G83

A

Peck Drill Canned Cycle

27
Q

G84

A

Tapping Canned Cycle

28
Q

“I”

A

X-axis distance from start point to center (If R is not used)
Used in conjunction with J & K
See: G02, G03

29
Q

“J”

A

Y-axis distance from start point to center (If R is not used)
Used in conjunction with I & K
See: G02, G03

30
Q

“K”

A

Z-axis distance from start point to center (If R is not used)
Used in conjunction with I & J
See: G02, G03

31
Q

“R”

A 
Radius of the arc to be machined
\+value=180deg or less
-value=more than 180deg
A 360deg is not possible
(If, IJK are not used)
IJ =(XY) IK=(XZ) JK=(YZ)
See: G02, G03, G17, G18, G19
32
Q

G17

A

Plane selection command

Arc parallel to XY-Plane

33
Q

G18

A

Plane selection command

Arc parallel to ZX-Plane

34
Q

G-19

A

Plane selection command

Arc parallel to YZ-Plane

35
Q

M00

A

Program Stop

36
Q

M01

A

Optional Stop

37
Q

M03

A

Spindle on Clockwise

38
Q

M04

A

Spindle on Counter Clockwise

39
Q

M05

A

Spindle Stop

40
Q

G20

A

Inch

41
Q

G21

A

MM

42
Q

G04

A

Dwell

43
Q

G53

A

Non-Modal Machine Coordinate Selection used in conjunction with G49

Cnc (1 decks)

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