G and M Codes

What does CNC stand for

• Computer Numerical Control
• Computer Numerical Continue
• Computer Number Control
• Computer Number Continue

What is G54?

• Work Coordinate
• Incremental Programming
• Cutter Compensation left
• Machine Home

What is M06?

• Program Stop
• Spindle on CW
• Tool Change
• Program End

Code that sets the program units to be in inches

• G20
• G00
• G21
• G03

Code that rapidly moves the cutting tool above the surface of the material

• G01
• G03
• G00
• G02

What is G91?

• Absolute Programming
• Tapping Canned Cycle
• Incremental Programming
• Tool Length Compensation

What is the difference between G90 and G91?

(a)  

What is G53?

• Program End
• Cancels work coordinates and uses Machine Coordinates
• Canned Cycle
• Rapid

What is M08?

• Coolant On
• Subprogram Call
• Machine Home
• Program Stop

What is G01?

• CW Circular Interpolation
• Canned Cycle Cancel
• Absolute Programming
• Linear Feed