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9. Exclusive Commands
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9.6 Chopping
With this function, the chopping axis constantly moves back and forth independently of the program
operation during executing the program.
By applying chopping, higher surface accuracy can be achieved than that of abrasive grain.
The chopping operation is started/stopped by the "Chopping" signal from the PLC.
When the chopping operation is commanded from the machining program, use the auxiliary
instruction (M or B) codes.
Chopping operation
Workpiece Grind stone
B ;
M ;
M * * ;
Drive unit
NC PLC
Chopping command by the
machining program
Chopping command by
external switch