Introduction........................................................................................................................................... 387

Defining the PLANE function................................................................................................................389

Position display......................................................................................................................................389

Resetting the PLANE function.............................................................................................................. 390

Defining the working plane with the spatial angle: PLANE SPATIAL....................................................391

Defining the working plane with the projection angle: PLANE PROJECTED....................................... 393

Defining the working plane with the Euler angle: PLANE EULER........................................................394

Defining the working plane with two vectors: PLANE VECTOR.......................................................... 396

Defining the working plane via three points: PLANE POINTS..............................................................398

Defining the working plane via a single incremental spatial angle: PLANE SPATIAL............................400

Tilting the working plane through axis angle: PLANE AXIAL (FCL 3 function)......................................401

Specifying the positioning behavior of the PLANE function.................................................................403

12.3 Inclined-tool machining in a tilted machining plane (software option 2)......................................408

Function................................................................................................................................................. 408

Inclined-tool machining via incremental traverse of a rotary axis......................................................... 408

Inclined-tool machining via normal vectors...........................................................................................409

12.4 Miscellaneous functions for rotary axes.......................................................................................... 410

Feed rate in mm/min on rotary axes A, B, C: M116 (software option 1).............................................. 410

Shortest-path traverse of rotary axes: M126........................................................................................411

Reducing display of a rotary axis to a value less than 360°: M94........................................................412

Maintaining the position of the tool tip when positioning with tilted axes (TCPM): M128 (software

option 2)................................................................................................................................................ 413

Selecting tilting axes: M138................................................................................................................. 416

Compensating the machine's kinematics configuration for ACTUAL/NOMINAL positions at end of block:

M144 (software option 2)...................................................................................................................... 417

12.5 FUNCTION TCPM (software option 2).............................................................................................. 418

Function................................................................................................................................................. 418

Defining the TCPM FUNCTION............................................................................................................ 418

Mode of action of the programmed feed rate..................................................................................... 419

Interpretation of the programmed rotary axis coordinates...................................................................419

Type of interpolation between the starting and end position............................................................... 421

Resetting the TCPM FUNCTION.......................................................................................................... 422

TNC 620 | User's Manual

HEIDENHAIN Conversational Programming | 3/2014

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