Siemens Sinumerik 840D Operating Turning page 92

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Program structure of a part program

The following flow chart represents a possible suggestion for a suitable

structure of the main program.

Program hea-

Tool call-up 1

Technology block

Approaching the safety le-

vel with the tool

Machining sequence 1

Retraction of the tool

Workpiece finished

Tool call-up 2

End of program

Technology block

Approaching the safety le-

vel with the tool

Machining sequence 2

840D/828D SINUMERIK Operate

Sinumerik 828d