28 December 2016

Difference between G code and M code

G code is used for the machine tool what type of action to perform, such as 
  • Rapid movement
  • Controlled feed in a straight line or arc
  • Set tool information such as offset 
  • Dwell
  • Plain Selection
M code is used for machine function, such as 
  • Spindle ON/OFF
  • Coolant ON/OFF
  • Open workstation door
  • Tool changing
  • Other machine-related terms 
G code is used for the Preparatory function whereas the M code is used for the Miscellaneous function.