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Requirements for CNC Programs

  • Estlcams CNC controller is able to process CNC programs created by other CAM programs...
  • But those CNC programs have to meet Estlcams requirements...
  • As almost no CAM program offers dedicated post processors for Estlcam you'll usually need to try and customize yourself...
  • Estlcam is able to perform any 3d move - all necessary commands are supported...
  • But the g-code interpreter is very basic without any gimmicks...



Supported G-Codes:

  • G00 rapid linear move...
  • G01 linear move...
  • G02 arc clockwise...
  • G03 arc counterclockwise...
  • All other g-codes will be ignored without error messages or warnings...
  • Repeating g-codes must not be omitted:
    • OK:
      G01 X10 Y20
      G01 X15 Y10
      G01 X20 Y5
    • Not OK:
      G01 X10 Y20
      X15 Y10
      X20 Y5
  • Only 1 g-code each line - following codes will be ignored...
  • No cycles -> cycles need to be broken down into discrete G00 - G03 commands...



Supported M-Codes:

  • M00 program pause...
  • M01 program pause...
  • M03 spindle on...
  • M05 spindle off...
  • M06 tool change...
  • M08 output 1 on...
  • M09 output 1 off...
  • M10 output 2 on...
  • M11 output 2 off...
  • All other m-codes will be ignored without error messages or warnings...
  • Additional outputs can be controlled by "A(output number) on" respectively "A(output number) off".
    e.g. "A4 on" will switch output 4 on...
  • Only 1 m-code each line - following codes will be ignored...



G02 / G03:

  • Only "I/J" format - no "R" format...
  • I / J only relative to X / Y...
  • Repeating J / J coordinates may be omitted...
  • Unit according to the length unit selected in Estlcam...
  • Simultaneuous Z-move / helix allowed...
  • Full circles not allowed...
  • Plane changes not allowed - only X/Y plane...



X Y Z coordinates:

  • Only absolute coordinates...
  • Repeating coordinates may be omitted...
  • Unit according to the length unit selected in Estlcam...
  • Direction of the Z-axis: positive numbers = upwards...
  • Plane changes not allowed...
  • Origin or coordinate system changes not allowed...



F and S:

  • F feed
  • S spindle speed
  • Unit according to the feed unit selected in Estlcam...
  • Speed unit = rpm...



Misc:

  • Number of decimal places as you like...
  • Both "." or "," are accepted as decimal separator...
  • No thousands separators...
  • Line numbering possible but not required...
  • "G00" "G0" "g0" etc. are all treated the same...
  • Comments in Brackets ()...
  • Text encoding UTF-8 or ASCII...
  • No cycles -> cycles need to be broken down into discrete G00 - G03 commands...
  • No sub program calls...
  • No mathematical expressions or functions...
  • No variables...

Christian Knüll / Heidelbergerstr. 6 / 74746 Höpfingen / Deutschland / christian@estlcam.de