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Touch probe cycles – HEIDENHAIN TNC 320 (340 551-02) User Manual

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HEIDENHAIN TNC 320

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13.1 Introduction ..... 440

Overview ..... 440

Selecting probe cycles ..... 440

13.2 Calibrating a Touch Trigger Probe ..... 441

Introduction ..... 441

Calibrating the effective length ..... 441

Calibrating the effective radius and compensating center misalignment ..... 442

Displaying calibration values ..... 443

13.3 Compensating Workpiece Misalignment ..... 444

Introduction ..... 444

Measuring the basic rotation ..... 444

Displaying a basic rotation ..... 445

To cancel a basic rotation ..... 445

13.4 Setting the Datum with a 3-D Touch Probe ..... 446

Introduction ..... 446

To set the datum in any axis (see figure at right) ..... 446

Corner as datum—using points already probed for a basic rotation (see figure at right) ..... 447

Circle center as datum ..... 448

13.5 Measuring Workpieces with a 3-D Touch Probe ..... 449

Introduction ..... 449

To find the coordinate of a position on an aligned workpiece ..... 449

Finding the coordinates of a corner in the working plane ..... 449

To measure workpiece dimensions ..... 450

To find the angle between the angle reference axis and a side of the workpiece ..... 451

13.6 Touch Probe Data Management ..... 452

Introduction ..... 452

Touch-probe table: Touch-probe data ..... 452

Editing tool-probe tables ..... 453

13.7 Automatic Workpiece Measurement ..... 454

Overview ..... 454

Reference system for measurement results ..... 454

DATUM PLANE (touch probe cycle 0) ..... 455

DATUM PLANE (touch probe cycle 1) ..... 457

MEASURING (touch probe cycle 3) ..... 458

13 Touch Probe Cycles in the Manual and Electronic Handwheel Modes ..... 439