HEIDENHAIN TNC 406 - Manual (Page 12)

HEIDENHAIN TNC 406, TNC 416 III
4.1 Fundamentals of Positioning ..... 42
Introduction ..... 42
What is NC? ..... 42
The part program ..... 42
Programming ..... 42
Position encoders and reference marks ..... 43
Reference system ..... 43
Reference system with EDMs ..... 44
Programming electrode movement ..... 44
Polar coordinates ..... 45
Absolute and incremental workpiece positions ..... 46
Setting the datum ..... 47
4.2 Files ..... 48
File directory ..... 48
Selecting, copying, deleting and protecting files ..... 50
4.3 Creating and Writing Programs ..... 51
Organization of an NC program in HEIDENHAIN conversational format. ..... 51
Defining the blank form–BLK FORM ..... 51
Creating a new part program ..... 52
Programming tool movements in conversational format ..... 54
Editing a program ..... 55
4.4 Automatic Workpiece Change with WP-Call ..... 57
Programming a workpiece change ..... 57
4.5 Fundamentals of Spark Erosion ..... 58
4.6 Erosion Tables ..... 61
Using erosion tables in a program ..... 61
Working without an erosion table ..... 61
Ready-to-use erosion tables ..... 61
4 Programming: Fundamentals, Files,
Program Entry, Spark Erosion, Erosion Tables ..... 41