Tray Denesting Solutions for Food Packaging
Tray detection during the infeeding stage can present different challenges. Solutions are needed that can monitor stack levels and alert operators when refills are needed, as well as detect trays to ensure that they are placed on the conveyor one at a time and at the proper spacing.
Food trays can be made with different materials or colors which can affect accurate detection. For instance, clear plastic containers present a unique challenge for most photoelectric sensors. Fortunately Banner offers various products suitable for recognizing transparent objects such as the Q4X Series Sensor and the QS18 Expert™ Clear Object Detection Sensor. There are also other laser-based sensor options that can detect dark colored trays and even those made of foil, both of which are typically used for pre-packaged foods.
Tracking tray levels on a denester machine ensures that product is replenished in a timely manner and does not affect production.