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Frequently Looked-Up

Single-entry answers on G-codes versus M-codes, what a controller does and 3-axis versus 5-axis.

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The questions people look up most, each answered as a single entry.

  • What is the difference between G-codes and M-codes?
  • What does a CNC controller actually do?
  • Do I need a 5-axis machine, or will 3-axis do?

Everything else is filed in the CNC index.

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  • What is the difference between G-codes and M-codes?
  • What does a CNC controller actually do?
  • Do I need a 5-axis machine, or will 3-axis do?
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