Creating An Nc Program - Siemens SINUMERIK 840D sl Programming Manual

Creating an NC program

3.1 Basic procedure
3. Create a machining plan
Define all machining operations step-by-step, e.g.
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4. Compile machining steps in the programming language
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5. Combine the individual steps into a program
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Rapid traverse movements for positioning
Tool change
Define the machining plane
Retraction for checking
Switch spindle, coolant on/off
Call up tool data
Feed
Path correction
Approaching the contour
Retraction from the contour
etc.
Write each individual step as an NC block (or NC blocks).
Programming Manual, 09/2011, 6FC5398-1BP40-2BA0
Fundamentals