Double Layer Detection of Sheet Metal and Body Parts by Laser Distance Sensors Triangulation
In the automotive industry, sheet metal parts are taken from a stock by a robot gripper and fed to the welding robot. Several sheets can stick together due to adherent oil, wedging of the sheets or magnetic charge. To ensure that only one sheet is gripped per assembly process, two laser distance sensors triangulation are mounted at opposite positions. The sensors measure the distance to the sheet and then calculate the sheet thickness via a difference calculation. If this result is greater than that of an individual sheet, a signal is output.

Stack Height Measurement for Cookies with Blue Laser Light Triangulation Laser Distance Sensors
During the packaging of cookies in fully automated production lines, the objects are picked up by robot systems during operation and then stacked on top of each other for packaging. To ensure that the cookie stacks can be packed correctly with foil, the stack height must first be measured precisely. Blue laser light triangulation laser distance sensors measure the dark, organic cookie surfaces with high precision from above – accurately to a few tenths of a millimeter. This allows the packaging process to be readjusted and the cookies, which vary slightly in height, to be efficiently packaged.