NC-Code Structure

In most cases, NC code is structured, especially when generated with CAM software. Depending on the area, different information and instructions are contained in the NC code.

Here is a graphical representation of what such a structure looks like:

Diagram of Structured NC Code Diagram of Structured NC Code

The individual structural elements contain different information.

  • Program start
    • Program name
    • Program header
    • Additional information
  • Tool call
    • Tool information
    • Speed
  • Operation start
    • Structural element (comment, outline)
    • Speed change
    • Machining configuration
      • Main spindle / counter spindle
      • Driven tools
  • Approach
    • Length correction
    • Zero point shift
    • Swivel
    • Cooling
    • Machining configuration
      • RTCP
      • Transmit
      • Release / clamp rotary axes
  • Machining
    • Feed rate
    • Radius compensation
    • Geometry information
    • Machining cycles