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GATE 2024 ME – Question 33

Computer Aided Manufacturing and Automation · NC/CNC machines and CNC programming · 1 mark · Multiple choice

The preparatory functions in Computer Numerical Controlled (CNC) machine programing are denoted by the alphabet

  1. G
  2. M
  3. P
  4. O

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Show answer and explanation

Correct answer: (A) G

Explanation

In CNC part programs G codes are the preparatory functions, such as G00 for rapid traverse and G01 for linear interpolation. M codes are the miscellaneous functions such as spindle start or coolant on.