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Werth Fiber Probe® WFP 3D

Highly accurate tactile-optical 3D micro-probe

Benefits

This patented tactile-optical 3D micro-probe extends the application range of the proven Werth Fiber Probe® technology to 3D measurements. It has a number of benefits over conventional micro-probes according to the mechanical-electrical principle. The WFP® is much less sensitive to breakage, offers small probe ball diameters (up to 20 micrometers) and has many times lower probing forces (less than a thousandth of a Newton). The Werth Fiber Probe® is also part of Werth's special feature in the measurement of micro-geometries.

Please accept "Other" in the settings to watch this video. Other benefits

Measurement with the 3D fiber probe can be carried out in both single-point and scanning mode
Special probe systems are available for scanning mode, which enable the reliable capture of profile gradients on workpiece surfaces, e.g. using spiral scans with a preset contour
Micro-probes with angled geometry, e.g. for measuring internal geometries, are also available
Two-ball styli (patented) are also available to avoid aperture-related measurement errors
In combination with correspondingly accurate coordinate measuring machines, such as the Werth VideoCheck® UA, the WFP® 3D has probing errors of only a few tenths of a micrometer

Technical Data

Tactile-optical

Permissible probing error up to 0.25 µm

An image processing sensor (a) camera, b) LED for illumination) and an optical distance sensor c) are used to measure the horizontal and vertical deflection of the illuminated probe tip d) when the workpiece e) is moved. In the target deflection, the exact position of the probe tip is superimposed with the coordinates of the scale systems of the machine and stored as measurement points or used for the scanning process. The change unit f) with flexible holding element g) is also available with dual-sphere probes h).