The parts come from a huge number of suppliers from all over the world. The car company has to keep on top of its suppliers, constantly measuring what they submit to make sure they will fit and function properly. As for capacity, the Perceptron measurement system can make up to 144 measurements, and the datacamera have a field of view of 30-70mm. A third kind of application uses laser light for recognition. A bin of jumbled parts looks like completely discrete items to the robot arm selecting them.
Color contours permit human eyes to analyze distance and depth better.
Whether it's measurement, guidance, or recognition, the method is the same - triangulation. By beaming a line of laser light on the object, three datacameras record the distances they are from the object. More Light Pen Applications Home is a leading distributor of Light Pens providing solutions through a number of leading companies to a wide range of industries.