------ [Guidance] ------ We have all experienced revolutionary shocks. The Internet has hit culture and commerce since the early 1990s, but few people know how to complete RFID development to meet the fourth industrial revolution. In the next two decades, intelligence The emergence of the factory will become an important part. As the main body of China's industry, the manufacturing industry is facing fierce competition in the international and domestic markets. In recent years, the market demand for manufacturing has become increasingly demanding, and pure software management has not made the manufacturing industry reach an ideal state. The manufacturing industry is unable to transmit production performance and production tracking statistics in real time, resulting in a lack of production synchronization within the supply chain. The management department cannot implement precise planning for production, warehousing and material supply, resulting in frequent manufacturing and inventory such as excessive production lines. Waste, waiting for processing time, a lot of moving materials and other issues. The key to solving these problems is how to collect real-time product data. Due to the lack of real-time and accurate production data sources, the powerful functions of Enterprise Resource Planning (ERP) cannot be realized in the true sense, but the workload of other management departments is increased. , bringing new waste. RFID technology and Web technology have been independent developments for the past 70 years. The earliest examples of the use of RFID technology can be traced back to a system developed by the British Secret Project during the Second World War to determine whether a plane in the direction of the aircraft is a friend or enemy. The fourth industrial revolution will see the combination of these two technologies, fully connecting the network and the physical world. The RFID system can realize automatic identification and information storage without manual operation by wirelessly transmitting and receiving, and can solve real-time transmission and real-time statistics of production data. The application of RFID systems in the manufacturing industry is mostly closed-loop applications. The chips can be recycled and reused. There is no cost problem, and the more the application, the lower the cost. In the "contactless" information collection method of RFID technology, electronic tags act as "mobile information carriers", which caters to the needs of manufacturing processes and management models. A direct role of RFID is to free up labor, eliminate human factors in the production process, and provide real-time data accurately, quickly and reliably, significantly improving and improving the key performance of the manufacturing process. This is for high-volume, high-speed manufacturing. Enterprises are particularly important and their economic benefits are outstanding. The role of Internet of Things RFID in manufacturing With the development of industrialized large-scale production, the production process is continuously optimized, and different types of products need to be produced on the same production line. This requires the production line to clearly indicate the current state of the product in each production position so that the operation process can be correctly performed. . The assembly line is initially delivered on the product line using the product process card. The operator can read all the information of his production position through the process card. This manual operation method often has errors, which affects the quality of the product. RFID technology not only reads the current status of the product (such as processing progress, quality data) in the electronic tag, but also reads out the operations that the product has performed before and the operations that the product will perform later. RFID technology can realize the automatic tracking of the production process of the product. The entire operation information of the product can be written into the RFID tag. The RFID tag transmits the acquired data information to the RFID reader, and the reader reads the data information in real time through the middleware. Transfer to the company's existing information management system. This allows companies to achieve higher levels of quality control, which increases productivity while increasing asset utilization. Manufacturing company's traditional management status In traditional manufacturing companies, the same process is carried out in every fixed position in the production line, producing products with a single function and a single shape. Management mainly focuses on product management, quality management, warehouse management, fleet management and after-sales service management. These departments transmit data through manual recording, which causes a large amount of erroneous data in the production process of the enterprise, which affects the quality of the product. The production operation mode of a traditional enterprise is shown in the following figure: Figure: Production operation mode of traditional enterprises The problems that arise from the traditional operating mode of the enterprise are as follows: Material tracking Material tracking requires manual recording, and the records received by the asset management department are delayed in time. The solution proposed by the asset management department based on the recorded data is manually transferred to the production layer, which in turn generates a delay. Due to the inability to obtain real-time information on the production process of the product, the asset management department cannot scientifically allocate the materials required for the production line, often resulting in insufficient material supply or excess material, which increases production costs. Due to the frequent errors in manual recording, when scrapped parts appear on the production line, they cannot be traced in time, which affects the quality of the product. Warehouse management The storage and access of warehouse goods rely on manual recording. The information of warehouses cannot be transmitted in real time. The management department cannot understand the real-time information of production, sales and material supply, which affects the scientific management of enterprises. Due to errors in the manual records of the warehouse, the asset management department needs to take inventory of the warehouse products on a regular basis, which wastes a lot of manpower. Since there is no real-time information for production and sales, and at the same time it must meet the requirements of production safety stock, this will result in too much product inventory and often cost more. data collection Manually collected data is usually transmitted to the management department on the next business day. Since the management department does not have real-time product production information, it cannot manage and monitor each product on the production line. It can only check a product by sampling the product. The quality of the batch makes it impossible for the company to implement fine management of product quality. If different types of products are produced on the production line, the way in which the product information is manually recorded will have a greater impact on the supply of the materials and the quality of the products. Sales management The sales process of the product involves the shipment, exchange and return of the warehouse management. If the sales information and the inbound and outbound information of the goods are recorded manually, the sales efficiency of the enterprise will be greatly reduced. At the same time, because the management department can not obtain real-time sales information, the management department can not arrange production scientifically, which reduces the cash cycle of the enterprise and increases the production cost of the enterprise. asset Management Since the historical data of the operation of the production line cannot be obtained in real time, the asset management department cannot determine the maintenance and repair time of the operating equipment. Because there is no real-time warehouse cargo information and production information, the asset management department cannot timely and accurately arrange the material supply of the production line. Manually recorded asset information is more likely to be in error. The quantity and location relationship of asset types cannot correspond to each other. Therefore, it is often necessary to check assets. This inspection process requires a lot of labor and increases the production cost of the enterprise. Management status of manufacturing after adopting RFID technology The American Manufacturing Research Institute stated in a research report: Accurate and real-time forecasts can significantly improve supply chain performance, reduce inventory by 15%, increase order fulfillment by 17%, and reduce cash cycle by 35%. RFID technology is changing the traditional manufacturing methods of manufacturing. By connecting RFID systems with the company's existing manufacturing execution systems and manufacturing information management systems through RFID middleware, manufacturers can obtain information on products in all aspects of production in real time. Develop a sound production plan to provide a scientific basis. The application of RFID technology will have a profound impact on information management, quality control, product tracking, asset management, and warehouse management of manufacturing. RFID technology will greatly increase productivity and save production costs. (1) Real-time management of manufacturing information. For manufacturers, timely and accurate feedback from the production line is important. In the past, this information was only manually counted, which was time consuming and laborious, and could not be very accurate. RFID technology can track the whole process of products on the production line, automatically record the operation information of each node in the production line, and transmit this information to the back-end management system in real time, so that the management department can know the production status of the production line in time, even A product's location allows for higher levels of quality control and a variety of online measurements. Through RFID middleware, manufacturers can connect the RFID system with the company's existing manufacturing management system, and build a more powerful information chain. The management department can obtain accurate information on the production line at any time, and make reasonable production for the enterprise. The plan provides a scientific basis to increase productivity and increase asset utilization. (2) Different types of products are manufactured on the same production line. The RFID system can provide real-time product information. With such timely and accurate product information, the contracted production of the product is simple and convenient. If there is a batch or even a batch of contract products, it needs to be processed in the same assembly line. According to the traditional production method, the same type of products will be produced first, then the production line will be shut down, and the production line will be adjusted to produce another type of product, which is a waste of time. And labor, but also delayed the construction period. After adopting the RFID system, different types of products can be encoded and written into the RFID tag. When different types of products enter the processing point, by reading the information in the RFID tag, it can be confirmed which type of product is processed. What kind of operations are performed, which increases labor productivity and increases business efficiency. (3) Product real-time quality control. The real-time product information provided by the RFID system can be used to ensure the correct use of labor, machines, tools and components. Specifically, real-time control is possible when materials and components pass through the production line. The RFID system also provides additional product information and online testing of the product, ensuring that the operations performed on the product meet production standards and that the quality of each product on the production line is stable and reliable. (4) Product tracking and quality traceability. The RFID system enables automatic tracking of the product throughout the production process, and automatically records all information about the product at each node of the production line. For products with quality defects, it is easy to find out which part of the product has problems through the product information provided by the RFID system and the results of online measurement of the product. If due to negligence, products with quality problems enter the market. Through the product production and distribution information provided by the RFID system, the quality management department can inquire about the manufacturer, production date, contract number, raw material source and production process of the product, so that corresponding measures can be taken to improve the quality of the product. (5) Asset management. The RFID system can provide information such as the operating status, working performance and placement position of the equipment on the production line. The asset management department can rationally allocate the labor force according to this information, scientifically arrange the maintenance and repair of the equipment on the production line, and adjust the working performance of the equipment to The best working conditions help to increase the value of assets, optimize the performance of assets, and maximize the utilization of assets. (6) Visualization of storage capacity. As the industrialization process accelerates, it is becoming more and more important for companies to manufacture according to contracts. The availability of real-time, accurate information on the supply chain and manufacturing processes is the key to scientific management and scientific planning. The RFID system can realize the whole process of material supply, production process, packaging, storage, sales and transportation of the product. The management department can scientifically plan the material supply according to this information, reasonably arrange the production of the production line, and ensure the storage capacity at a reasonable level. Reduce the operating costs of enterprises and enhance the economic benefits of enterprises. We have all experienced revolutionary shocks. The Internet has hit culture and commerce since the early 1990s, but few people know how to complete RFID development to meet the fourth industrial revolution. In the next two decades, intelligence The emergence of the factory will become an important part.
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