Abstract
As one of the basic manufacturing industries in China, injection molding industry is faced with the problems of low degree of informatization and intelligence, resulting in low production efficiency and high costs. It is urgent to integrate deeply with new generation of information technology to achieve transformation and upgrade. In this paper, an integrative industrial Internet architecture of “integration of intelligent equipment, intelligent production lines, intelligent workshops, intelligent factories, and intelligent formats” was described. The injection molding intelligent control system, the production management, control platform based on the MES system, and other key technologies were researched. Also, the smart factory architecture based on digital twin was established, and the implementation method of the smart factory digital twin system was elaborated. The feasibility and effectiveness of the method had been verified through the industrial application, which provided the technical supports for the injection molding industrial Internet system. Finally, the intelligent manufacturing industrial Internet cloud platform for injection molding industry was prospected.
Highlights
In recent years, China’s injection molding industry has developed rapidly and has become the world’s largest producer and consumer of plastic products, which plays an important role in the national economic and social development [1]
An industrial Internet architecture for injection molding industry was described based on the current situation of China through the digitization, networking, and intelligence technical method. e smart factory system for injection molding based on digital twin was established. en, the injection molding intelligent control system, production management, and control platform based on the MES
In order to realize the functions of application layer, the modeling of full-factor physical space, data acquisition, and real-time mapping in the production activities are the key aspects of the digital twin system for injection molding smart factory [14, 21,22,23,24,25,26]
Summary
China’s injection molding industry has developed rapidly and has become the world’s largest producer and consumer of plastic products, which plays an important role in the national economic and social development [1]. E essence of industrial Internet is the triple integration of Information Technology (IT), Communication Technology (CT), and Operational Technology (OT) [8,9,10] It can connect all kinds of internal and external data of products, equipment, production lines, factories, suppliers, customers, and other enterprises and realize interconnection and interoperability across devices, systems, factories, and regions through CT. It can mine and analyse massive industrial data based on IT and make the invisible processes and experiences explicit, digital, reusable, and predictable in the traditional manufacturing process combined with OT. It can carry out intelligent application services such as order adjustment, supply chain transactions, design collaboration, talent training, and technical services and promote to construct an intelligent format for injection molding industry
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