Diameter Measurement of Metal Coils in Punching Systems Using Laser Distance Sensor Triangulation
In punching machines in the metal processing industry, continuous material replenishment of sheet rolls, so-called coils, must be guaranteed. To avoid downtimes, it is necessary to detect the end of the material at an early stage to initiate an automatic roll change. For this purpose, the diameter of the shiny metal coils is precisely monitored via laser distance sensor triangulation and communicated to the control system. If the diameter falls below a defined tolerance value, a signal to replace the sheet rolls is automatically sent.
Laser Distance Sensors Triangulation
The contactless laser triangulation sensors work according to the angle measurement principle, which enables reliable and highly precise measurement in the close range up to 1,000 mm. The triangulation sensors deliver stable measured values regardless of colors, shapes, rough and textured surfaces.
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