Programming
10.1 Fundamental Principles of NC Programming
Cylindrical grinding
220 Programming and Operating Manual, 07/2009, 6FC5398-4CP10-2BA0
10.1.2 Program structure
Structure and contents
The NC program consists of a sequence of blocks (see Table below).
Each block represents a machining step.
Instructions are written in the blocks in the form of words.
The last block in the execution sequence contains a special word for the end of program:
e.g. M2.
Table 10- 1 NC program structure
Set Word Word Word ... ; Comment
Set N10 G0 X20 ... ; 1. Set
Set N20 G2 Z37 ... ; 2. Set
Set N30 G91 ... ... ; ...
Set N40 ... ... ...
Set N50 M2 ; End of program
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