What does “M05” signify in G-code?

What does “M05” signify in G-code?

• A. It starts the spindle rotation
• B. It stops the spindle rotation
• C. It changes tool type
• D. It resets the machine coordinates

Answer: (B)

The code "M05" in G-code is specifically used to stop the spindle from rotating. This command is crucial in CNC machining as it allows the operator to safely interrupt the spindle movement, which is necessary when changing tools or performing maintenance on the machine. When using M05, the command ensures that the spindle comes to a complete stop before any further actions, such as tool changes or movements, take place. Understanding this function is fundamental as it relates directly to the safe operation of CNC milling machines and contributes to the overall efficiency of machining processes.

The code "M05" in G-code is specifically used to stop the spindle from rotating. This command is crucial in CNC machining as it allows the operator to safely interrupt the spindle movement, which is necessary when changing tools or performing maintenance on the machine. When using M05, the command ensures that the spindle comes to a complete stop before any further actions, such as tool changes or movements, take place. Understanding this function is fundamental as it relates directly to the safe operation of CNC milling machines and contributes to the overall efficiency of machining processes.