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CNC Programming Commonly used codes
Wahnish - 11/13/12
23
Engineering
10th Grade
11/13/2012

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Cards

Term
Line number within the program __
Definition
N - BLOCK NUMBER
Term
Prepare the machine to perform an operation __
Definition
G - PREPARATORY CODES
Term
Perform miscellaneous functions within the program __
Definition
M - MISCELLANEOUS CODES
Term
Instructs the machine to move the tool to this X coordinate __
Definition
X - PRIMARY X COORDINATE
Term
Instructs the machine to move the tool to this Y coordinate __
Definition
Y - PRIMARY Y COORDINATE
Term
Instructs the machine to move the tool to this Z coordinate __
Definition
Z - PRIMARY Z COORDINATE
Term
The X coordinate of the circle center for circular interpolation __
Definition
I - Circle Center X
Term
The Y coordinate of the circle center for circular interpolation __
Definition
J - Circle Center Y
Term
Makes all coordinates relative to the origin __
Definition
G90
Term
Makes new coordinates relative to the last point __
Definition
G91
Term
Move the tool at a maximum rate of feed
Definition
G00
Term
Move the tool in a straight line to the desired coordinates __
Definition
G01
Term
Move the tool in a clockwise direction through an arc
Definition
G02
Term
Move the tool in a counter-clockwise direction through an arc
Definition
G03
Term
Pause between motions on all axis. Time in seconds - _ _ _ F 2 - pause for 2 seconds
Definition
G04
Term
Waits for user intervention.
Definition
G05
Term
End of program
Definition
M02
Term
Spindle On
Definition
M03
Term
Spindle Off
Definition
M05
Term
Accessory 1 On
Definition
M08
Term
Accessory 1 Off
Definition
M09
Term
Accessory 2 On
Definition
M10
Term
Accessory 2 Off
Definition
M11
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