Chengdu Tianfu Airport aims to use the world‘s most advanced technology in its cargo logistics system. Therefore, they started a cooperation with Kunming Shipbuilding Group as freight logistics contractor and chose Minebea Intec as provider for the matching weighing solution.

Unmanned AGV forklifts are used to complete the goods receipt, weighing, shelf /ground storage, and delivery in the standard parts area. For these tasks, Minebea Intec constructed weighing platforms with the digital load cell PR 6224– a weighing solution which is often used for vehicle weighing and reaches stability quickly, ensuring short weighing times. These load cells provide high accuracy with minimum load cell verification as high as 14,000. Combined with the mounting kit, the load cell always receives vertical force during operation, which makes it a better choice than shear-beam load cells, which are usually used in platform scales.

The AGV forklift and its supporting system automatically decelerate before going onto the scale and determine whether the scale is zeroed. While waiting for being weighed, the scale automatically identifies the forklift information, and read the forklift and pallet tare after weighing to obtain the net weight value. The weighing data is uploaded afterwards to the customs supervision system via the Ethernet interface that supports the MODBUS TCP/IP protocol configured on the Maxxis 5 controller. The entire process works without human supervision.