HEIDENHAIN IK 5294 - Manual (Page 91)

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4
Probes
Chapter 4:
Probes
Measurements can be conducted using crosshairs or optical edge detection on manually controlled sys-
tems, or on automated CNC systems. Feature points can be probed manually by the user, or automatically
under program control. This chapter explains how to select, add, delete and calibrate crosshair and optical
image detection probes. Here’s what you’ll find in this chapter:
Selecting probe type ..................................................................................71
Selecting probe magnification ..................................................................71
Crosshair probes ........................................................................................72
Adding and deleting probe magnifications ........................................72
Compensating crosshair magnification offsets ..................................73
Optical edge detection probes ...................................................................75
Adding and deleting probe magnifications ........................................75
Calibrating optical edge recognition ..................................................75
Dark/Light contrast (Teach function) ................................................76
Dark/Light contrast at the part edge (Distance CAL function) ..........77
Compensating crosshair to optical edge detector offsets ...................79
Compensating edge detector magnification offsets ...........................80
Specifying CNC probing parameters .................................................82
Probe velocity .............................................................................82
Approach and search distances ...................................................82
Selecting probe type
The probe type is selected in systems that include crosshair and optical edge detec-
tion probes by clicking the desired Probe menu item.
Selecting probe magnification
The optical magnification of crosshair and optical edge detection probes
is selected by clicking the desired Probe/Magnification menu item.
4 Probes OE.indd 1 5/9/2005 9:47:09 AM