Rozwiązania i Komponenty dla AutomatykiSolutions and Components for Automation

Non-contact measurement of geometrical quantities

With the help of devices from this category, it is possible to measure non-contact geometric quantities such as longitude, width, height or thickness of objects. Optical micrometers work on a variety of measuring principles. In addition to the CCD camera using a laser or LED light, the principle of quantitative light measurement is applied.

Micrometres consist of an element that generates a light and a receiver or CCD camera. The light generating element generates a parallel, continuous light curtain that falls on a parallel mounted receiver. If the measuring object breaks the light curtain, its shadow or darkness is detected by the receiver.

Laser line profile scanners use the principle of laser triangulation for two-dimensional determination of the profile of objects with the most diverse surfaces. In contrast to known point laser point sensors, a linear optical system displays the laser line on the surface of the measured object.

High-quality optics reproduce the diffused laser line light on a light-diffused CMOS sensor. Along with distance information (o y y), the controller based on the CCD camera image also calculates the actual position along the laser line (o x x) and sends both values to the two-dimensional co-ordinate system of the sensor. With moving objects or when moving the sensor in a certain way, it is possible to visualize the information in three dimensions.


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