Chapter 4 Appendix
NC Code Specifications
65
Interpretations of NC Code Omissions
When NC codes are omitted, the machine performs the following interpretations. The machine performs
interpretations when NC codes are omitted in a characteristic manner. If you want to write general-purpose
programs, do not omit NC codes.
"NC Code Reference Manual."
Unit Setting (G20, G21)
If these codes are omitted, the machine assumes millimeter input (G21) at all times.
Cutter Diameter Compensation (G41, G42)
If these codes are omitted, the value that was set on the Cutter Diameter Compensation tab, which is accessed
by clicking [Setup] and then [NC Code setting] on the iModela Controller, is used.
Workpiece Coordinate System (G54 to G59)
If these codes are omitted, the machine assumes workpiece coordinate system 1 (G54) at all times.
Dimension (G90, G91)
If these codes are omitted, the machine assumes absolute (G90) at all times.
Feed Rate (F)
If the F code is omitted, the feed rate is set to 120 mm/min (4.72 inches/min).
Содержание iModela iM-01
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