Over the past few years, customer delivery expectations have been shrinking as global e-commerce sales have grown dramatically, putting tremendous pressure on retail distribution and e-commerce businesses. They began looking for ways to increase yield and efficiency, order accuracy, and improve traceability. Among them, the automatic identification of pallets has always been a difficult problem. The sooner companies make adjustments, the sooner the smoothness of their supply can be guaranteed.
Pallets are widely adopted by distribution centers in various industries due to their low price and versatility in storing, stacking, and protecting bulk materials during transportation. The barcodes on the pallets contain important information about the contents of the pallets in order to get them to the right place. As products enter and leave the distribution center, the barcode on the pallet can be scanned to track its contents at the various logistics centers. Therefore, whether it is in the warehouse or out of the warehouse or before loading, it is necessary to scan the code on the pallet.
The material on a pallet usually has many barcodes, which is much more difficult than reading a single barcode. In addition, pallets are often wrapped in reflective materials such as tape or plastic, and labels can be damaged or detached during shipping or unloading, adding uncertainty and complexity to the decoding effort. These challenges can't be met with traditional scanning tools.
challenge
01 Traditional laser and RFID scanning solutions cannot read damaged barcodes or provide image feedback, and can only read 1D codes with a fixed orientation, not 2D codes.
02 Handheld scanning solutions are inefficient because they require manual pick-and-place of scanners and the need to scan individual barcodes one by one.
03 Current image-based barcode reader solutions use multiple barcode readers to cover tall pallets, making them complex and difficult to troubleshoot.
Cognex smart logistics solutions
A pallet scanning system that combines Cognex's innovative High-Speed Steering Mirror (HSSM) with a DataMan 470 image-based barcode reader enables efficient and accurate reading of multiple barcodes on moving pallets, or barcodes on large-format boxes on conveyors.
Cognex's pallet scanning systems are easy to install and require a single barcode reader to read barcodes in a wide field of view at close range, improving traceability, improving line efficiency, and reducing operational complexity. The solution also has built-in investment protection and can be scaled from a single-sided installation system to a multi-sided system to meet future requirements such as scanning in front of the library door.
Industry-leading imaging technology
Cognex image-based barcode reading systems equipped with HDR and HDR+ use the latest CMOS image sensor technology to capture up to 16 times the image detail of traditional sensors. Because the raw image from the sensor has 16 times more information than a traditional imager, the image quality and contrast are better, and it also offers the following advantages:
▪ Better image detail
▪ Reduce glare
▪ Increases depth of field
▪ Sharper images are obtained even in poor lighting conditions
Powerful decoding algorithms can read any barcode
Cognex has developed industry-leading decoding algorithms, 1DMax for 1D barcodes with Hotbars and 2DMax for 2D barcodes with PowerGrid, which form the intelligence of barcode readers. These high-performance technologies ensure:
▪ Up to 99.9% read rate
▪ Extremely high acquisition and decoding speeds
▪ The ability to decode all barcode types, especially those that are damaged, scratched, folded, and covered in plastic
▪ It can adapt to a variety of reading environments, including a variety of marking surfaces such as labels, metal, glass, plastic, etc
A single device provides up to 10x field of view
High-Speed Steerable Mirrors (HSSMs) extend the field of view of 3MP and 5MP pixel readers, turning them into more efficient solutions than 50 million pixel sensors. This advantage makes high-speed steering mirrors ideal for applications with a wide field of view with short working distances and high variability. HSSM can also quickly cover large surfaces, such as pallets in grid mode.
With such a powerful Cognex smart logistics solution, it is natural to solve the problem of automatic pallet identification, and Cognex precision black technology allows enterprises to receive incoming products faster and track products more effectively, so as to achieve a smoother and more efficient supply to meet customer needs.
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