HEIDENHAIN TNC 426B (280 472) Touch Probe Cycles - Manual (Page 8)

VI
2.1 Introduction ..... 10
Overview ..... 10
Selecting probe cycles ..... 10
Recording Measured Values from the Probe Cycles ..... 11
Writing the measured values from probe cycles in datum tables ..... 12
2.2 Calibrating a Touch Trigger Probe ..... 13
Introduction ..... 13
Calibrating the effective length ..... 13
Calibrating the effective radius and compensating center misalignment ..... 14
Displaying calibration values ..... 15
Managing more than one block of calibrating data (as of NC software 280 476-xx) ..... 15
2.3 Calibrating a Measuring Touch Probe ..... 16
Introduction ..... 16
Course of actions ..... 16
Displaying calibration values ..... 17
2.4 Compensating Workpiece Misalignment ..... 18
Introduction ..... 18
Measuring the basic rotation ..... 18
Displaying a basic rotation ..... 19
Cancel a basic rotation ..... 19
2.5 Setting the Datum with a 3-D Touch Probe ..... 20
Introduction ..... 20
To set the datum in any axis (see figure at right) ..... 20
Corner as datum—using points that were already probed for a basic rotation (see figure at right) ..... 21
Corner as datum—without using points that were already probed for a basic rotation ..... 21
Circle center as datum ..... 22
Setting datum points using holes/cylindrical studs ..... 23
2.6 Measuring Workpieces with a 3-D Touch Probe ..... 24
Introduction ..... 24
To find the coordinate of a position on an aligned workpiece: ..... 24
Finding the coordinates of a corner in the working plane ..... 24
Measuring workpiece dimensions ..... 25
To find the angle between the angle reference axis and a side of the workpiece ..... 26
2 Touch Probe Cycles in the Manual and Electronic Handwheel Modes ..... 9