HEIDENHAIN TNC 620 Programming Station

Contents
11 Multiple-axis machining............................................................................................................429
11.1 Functions for multi-axis machining................................................................................................ 430
11.2 The PLANE function: Tilting the working plane (option 8).............................................................. 431
Introduction..................................................................................................................................................................431
Overview....................................................................................................................................................................... 433
Defining the PLANE function................................................................................................................................... 434
Position display...........................................................................................................................................................434
Resetting PLANE function........................................................................................................................................ 435
Defining the working plane with spatial angles: PLANE SPATIAL................................................................... 436
Defining the working plane with projection angles: PLANE PROJECTED.......................................................438
Defining the working plane with Euler angles: PLANE EULER.......................................................................... 440
Defining the working plane with two vectors: PLANE VECTOR........................................................................442
Defining the working plane via three points: PLANE POINTS...........................................................................445
Defining the working plane via a single incremental spatial angle: PLANE RELATIV...................................447
Tilting the working plane through axis angles: PLANE AXIAL.......................................................................... 448
Defining the positioning behavior of the PLANE function................................................................................. 450
Automatic tilting into position MOVE/TURN/STAY............................................................................................ 451
Selection of tilting possibilities SYM (SEQ) +/–.................................................................................................. 454
Selection of the transformation type..................................................................................................................... 457
Tilting the working plane without rotary axes......................................................................................................459
11.3 Inclined machining (option 9).........................................................................................................460
Function........................................................................................................................................................................ 460
Inclined machining via incremental traversing of a rotary axis........................................................................460
Inclined machining using normal vectors.............................................................................................................461
11.4 Miscellaneous functions for rotary axes.........................................................................................462
Feed rate in mm/min on rotary axes A, B, C: M116 (option 8).........................................................................462
Shorter-path traverse of rotary axes: M126......................................................................................................... 463
Reducing display of a rotary axis to a value less than 360°: M94...................................................................464
Retaining the position of the tool tip during the positioning of tilting axes (TCPM): M128 (option 9)...... 465
Selecting tilting axes: M138..................................................................................................................................... 467
Compensating the machine kinematics in ACTUAL/NOMINAL positions at end of block: M144
(Option 9)......................................................................................................................................................................468
11.5 Compensating the tool angle of inclination with FUNCTION TCPM (option 9)................................. 469
Function........................................................................................................................................................................ 469
Defining FUNCTION TCPM.......................................................................................................................................470
Effect of the programmed feed rate......................................................................................................................470
Interpretation of the programmed rotary axis coordinates...............................................................................471
Orientation interpolation between the start position and end position...........................................................472
Selection of tool reference point and center of rotation....................................................................................473
Limiting the linear-axis feed rate............................................................................................................................ 475
Resetting FUNCTION TCPM.................................................................................................................................... 475
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HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 01/2022