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Effect of the point tables with cycles 251 to 256 – HEIDENHAIN TNC 128 (77184x-02) User Manual

Page 392

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Cycle fundamentals

15.7 Point tables

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TNC 128 | User's Manual HEIDENHAIN Conversational Programming | 5/2014

Effect of the point tables with Cycles 251 to 256

The TNC interprets the points of the working plane as coordinates
of the cycle starting point. If you want to use the coordinate
defined in the point table for the spindle axis as the starting point
coordinate, you must define the workpiece surface coordinate
(Q203) as 0.