Macro B Programming Loops

How WHILE Nesting Replaces Subprograms in CNC Macro B

Learn how nested WHILE loops in Fanuc Macro B can automate repeated CNC machining without subprograms, copy-paste motion, or long blocks of G-code. In this example: The outer WHILE loop controls how many circles we cut and the spacing between them The inner WHILE loop performs the circular cut itself Change just a few variables, and the entire ...

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