HEIDENHAIN TNC 426 (280 476) Pilot - Manual (Page 2)

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Contents
The Pilot
... is your concise programming guide for the HEIDENHAIN
TNC 426 and TNC 430 contouring controls. For more
comprehensive information on programming and operating,
refer to the TNC User's Manual. There you will find com-
plete information on:
• Q-parameter programming
• The central tool file
• 3-D tool compensation
• Tool measurement
Certain symbols are used in the Pilot to denote specific
types of information:
Important note
WARNING: danger for the user or the machine!
The TNC and the machine tool must be prepared by
the machine tool builder to perform these functions!
Chapter in User's Manual where you will find more
detailed information on the current topic.
The information in this Pilot applies to TNCs with the following
software numbers:
Control NC Software Number
TNC 426, TNC 430280 476-xx
TNC 426*, TNC 430* 280 477-xx
*) Export version
Contents
Fundamentals ................................................................... 4
Contour Approach and Departure .................................... 13
Path Functions .................................................................. 18
FK Free Contour Programming ........................................ 25
Subprograms and Program Section Repeats ................... 33
Working with Cycles ........................................................ 36
Cycles for Machining Holes and Threads ........................ 39
Pockets, Studs, and Slots ................................................. 56
Point Patterns ................................................................... 65
SL Cycles .......................................................................... 67
Multipass Milling .............................................................. 75
Coordinate Transformation Cycles ................................... 78
Special Cycles ................................................................... 85
Digitizing 3-D Surfaces ..................................................... 88
Graphics and Status Displays ........................................... 94
ISO Programming ............................................................. 97
Miscellaneous Functions M ............................................. 103