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At present, China's manufacturing industry has entered a new era of high-quality development. Intelligent manufacturing is the only way to achieve high-quality development. Intelligent manufacturing is the product of the continuous and in-depth integration and development of advanced information technology and advanced manufacturing technology. With the innovation and development of technology, the whole manufacturing system presents a continuous iterative and evolving process. According to different development stages and technical characteristics, intelligent manufacturing is divided into three paradigms: digitization, networking and intellectualization. Digitization is the basis of intelligent manufacturing, networking is the connection and integration of equipment using industrial Internet and industrial cloud technology on the basis of digitization, and intellectualization is the deep integration of artificial intelligence technology and advanced manufacturing technology, Become the core driving force of the new round of industrial revolution.

Intelligent manufacturing is a large system, which runs through all links of the whole life cycle of products, production and services, reshapes the production factors and production mode of manufacturing industry, and leads to significant and profound changes in the development concept, value form and industrial ecology of manufacturing industry.

2、 Production characteristics of industrial textiles

The industrial textile industry has a good foundation for the implementation of intelligent manufacturing, and the development of the industry also has a huge demand for intelligent manufacturing.

Industrial textiles are mainly intermediate products. Except for some products (such as personal protective equipment), they all show very obvious characteristics of process production, especially the production of nonwoven coiled materials.

The production of industrial textiles has a high degree of automation, large single line capacity and high investment amount of production equipment. In particular, with the improvement of the level of domestic equipment, the automation and digitization level of production line has been significantly improved. With the gradual acceleration of the production speed of the production line and the gradual improvement of the single line capacity, higher requirements are put forward for the product quality control. The energy consumption in the production process is high, and energy accounts for a high proportion in the cost structure. Therefore, the quality control and energy consumption control of industrial textile production is a key issue in the industry.

At present, China's industrial textiles industry is growing rapidly, the industrial structure is accelerating the adjustment, and new technologies, new products and new models are emerging. Enterprises have a great demand for advanced management and advanced manufacturing. The phenomenon of difficult and expensive employment in manufacturing industry is becoming increasingly prominent. Enterprises need to implement intelligent transformation to reduce employment, improve working environment and reduce labor intensity. The traditional management means and production mode have been difficult to adapt to the expanding enterprise scale and the needs of enterprise fine management; With the intensification of market competition and the pressure of industrial upgrading, enterprises need to constantly improve product quality, reduce costs and improve customer service. The effect of traditional methods is almost close to the limit in these aspects. Industrial textile enterprises need to cooperate more closely with institutional users in product R & D and application, and constantly expand new business models.

3、 Work carried out by intelligent manufacturing industry

The industrial textile industry has officially carried out intelligent manufacturing in the industry since 2016, taking nonwovens as the key field of industry intelligence, and taking information and digital construction as an important means to improve the industry's advanced manufacturing capacity. In the process of implementation, the enterprise has made phased achievements through high-standard planning, early layout and phased promotion.

China Industrial Textiles Industry Association (hereinafter referred to as the "association") has conducted a large number of enterprise research and held many seminars to understand the current situation and demand of enterprise intelligence, analyze the main modes and Implementation Paths of industry intelligent manufacturing, determine the main tasks of intelligent manufacturing during the 13th Five Year Plan Period, and form the implementation plan of Intelligent Manufacturing in nonwovens industry.

The association has carried out the pilot demonstration of intelligent manufacturing of nonwoven enterprises in the industry. According to the situation of enterprises in equipment, information construction and internal management, and in combination with the wishes of enterprises, the association has carried out two batches of intelligent manufacturing pilot demonstration work in the industry. A total of 11 enterprises and one industrial cluster have participated in the industrial intelligent manufacturing pilot demonstration work. The association cooperates with Fucheng street, Funing County, Jiangsu Province to build an intelligent filter material Park and promote the construction of industrial Internet platform and intelligent transformation of key enterprises in the park. The association organizes experts to diagnose the intelligent manufacturing situation of the pilot units, provide professional suggestions, connect with excellent supplier resources, and track the implementation progress of intelligent manufacturing projects every year. After three years of efforts, the units participating in the pilot have made remarkable progress in the construction of intelligent production line, intelligent storage, intelligent factory and industrial Internet platform in the park. The three member enterprises of the association were selected as intelligent manufacturing pilot demonstration enterprises of the Ministry of industry and information technology and intelligent manufacturing comprehensive standardization and new model application enterprises respectively.

In 2017 and 2019, the association held industry intelligent manufacturing conferences in Foshan and Chuzhou respectively. At the conference, authoritative experts were invited to introduce the latest technologies and solutions in the field of intelligent manufacturing, and excellent enterprises were invited to introduce their experience and experience in the implementation of intelligent manufacturing projects, so as to promote the implementation of more practical technologies and solutions in the industry.

The association has established a team of intelligent manufacturing suppliers including advanced equipment enterprises, automation enterprises and software enterprises, and established a strategic cooperative relationship with Hunan Zhongnan Intelligent Equipment Co., Ltd. to help it promote the application of intelligent equipment in the field of geotextile textiles and spunlaced nonwovens. Intelligent manufacturing solution suppliers provide the industry with a large number of mature and affordable equipment and software, which has played an important role in promoting the digitization and information construction of the industry.

The association timely promotes the standardization of intelligent manufacturing. The industry is relatively mature in the construction of melt spinning nonwovens intelligent production line and spunlaced nonwovens intelligent factory, and has achieved certain results. In order to promote the intelligent work in the two important fields of melt spun nonwovens and spunlaced nonwovens, the association invited key enterprises to take the lead in preparing two group standards: evaluation of melt spun nonwovens intelligent manufacturing production line and spunlaced nonwovens intelligent factory. At present, the first drafts of these two standards have been completed and comments will be solicited in the industry.

4、 Current situation of intelligent manufacturing industry

（1） Informatization and automation construction

Management informatization and equipment automation are the basis of intelligent manufacturing. In terms of informatization, focus on promoting the application of ERP software in enterprises. With the gradual maturity of China's independently developed ERP software and the promotion of various cloud services, the cost of enterprise procurement and implementation of ERP has been greatly reduced. Therefore, among the large and medium-sized enterprises in the industry, ERP software has been highly popularized, which has played an important role in standardizing enterprise management process and improving operation efficiency.

In terms of automation construction, the industry focuses on promoting the application of the whole process automation production line of Nonwovens in the industry, especially the application of domestic equipment. At present, automatic silo has been applied in spunbonded nonwovens enterprises, which greatly improves the work efficiency and ensures the consistency of raw material quality; In terms of polyester spunbonded nonwovens, enterprises have adopted melt direct spinning spunbonded process to greatly reduce logistics costs and energy consumption. Spunlaced nonwovens enterprises have begun to use AGV trolley for raw material delivery, which effectively reduces the labor intensity. Tire base cloth manufacturers have developed automatic starch adding and automatic glue mixing equipment, which has improved the production site environment and significantly reduced the working intensity.

On line detection, automatic unwinding, slitting, packaging, labeling and transportation and warehousing of nonwovens are labor intensive processes in nonwovens production, so they are also the focus of automation construction. The on-line fabric inspection and automatic winding system of nonwovens developed by Hunan Zhongnan Intelligent Equipment Co., Ltd. has been widely used in the tire base fabric industry and achieved good results. Spunbonded and spunlaced nonwovens enterprises also realize the automation of this link by selecting advanced equipment, and collect a large number of production data in real time while reducing labor.

In the production process of filter bags and safety protection textiles, enterprises have begun to use a large number of automatic hanging systems and intelligent cutting systems, combined with advanced software systems, which improve production efficiency and save a lot of raw materials.

（2） Digital and networked transformation

While carrying out the construction of management informatization and production automation, enterprises simultaneously carry out the digital transformation and network construction of production equipment. Nonwovens production line has a good foundation for digital transformation. Enterprises with weaving process can collect equipment configuration parameters, status, production data and operation process data by installing sensors on old equipment, and transmit data through wired network, WiFi and 5g.

MES system is the core of enterprise digitization and networking. At present, most enterprises engaged in intelligent construction in the industry have purchased MES system. Some nonwoven complete equipment enterprises provide some functional modules of MES system along with the production line, and some software enterprises develop MES system for the nonwoven industry. The MES system purchased by enterprises generally includes modules such as production scheduling, equipment management, energy management, production document management, etc.

The MES system of industrial enterprises basically realizes the integration with ERP system, realizes the integrated management and seamless connection of enterprise production, procurement, finance, sales and storage information, breaks the information island within the enterprise, and important data and processes are visible and controllable.

Intelligent storage system has strong universality, relatively mature technology and many suppliers, so it has become a key construction field for industrial enterprises and achieved more results.

On the basis of digitization and networking, enterprises carry out the construction of intelligent workshops, and some leading enterprises carry out the construction of intelligent factories. Jinan Yongxin New Material Technology Co., Ltd. cooperates with universities and central enterprises to build spunlaced nonwovens intelligent factory, forming a replicable spunlaced nonwovens intelligent factory construction mode that can be popularized and applied in the industry.

（3） Construction of industrial Internet platform

Fucheng street, Funing County, Jiangsu Province will build an industrial Internet platform and big data center for the filter material industry to access the filter material production enterprises in the park, which can display the technical parameters of the products produced by the enterprises, monitor the product quality in real time, protect the interests of the terminal market, and help local enterprises actively seize the market. In the future, the platform will also introduce more industry application software and services to provide market information, product quality, product development and other services to enterprises in the region.

（4） Difficulties and problems of Intelligent Manufacturing in current industry

The industrial textile industry has made phased achievements in intelligent manufacturing, especially in digital and network transformation. However, there are still many difficulties and challenges in the large-scale promotion of industrial intelligent manufacturing and its development to a higher level of intelligence.

First of all, the investment of intelligent manufacturing is large and there are many uncertain factors. The industrial textile industry is dominated by small and medium-sized enterprises, the budget for intelligent manufacturing is not high, the enterprise project decision-making is very cautious, and the scale of the project is too small to attract powerful large suppliers to enter the industry to provide services. Secondly, there are many varieties of industrial textiles, complex processes and great differences in demand in intelligent manufacturing, which makes it difficult for suppliers, especially software enterprises, to accurately understand the industrial production process and grasp the enterprise demand, and also increases the development cost. Third, because the intelligent transformation involves the professional knowledge of equipment, informatization and software system, the enterprise lacks professionals in these fields, so it is difficult to grasp the overall intelligent manufacturing scheme and system planning, and it is difficult to deeply promote the intelligent manufacturing project. Fourth, enterprises still have a large number of old equipment, as well as equipment from different equipment manufacturers, especially imported equipment. The data interface standards of these equipment are different, and even some equipment manufacturers do not open the interface, which not only brings great difficulty to the digital transformation of enterprises, but also affects the effect of data acquisition. Fifth, in terms of industrial intelligence, the industrial textile industry, like most industrial fields, is still in the exploratory stage, lacking industry big data model, basic data, analysis framework and application cases, and the manufacturing system does not have the ability of independent learning and complex system analysis.

5、 Prospect of Intelligent Manufacturing in the "14th five year plan" of the industry

The 14th five year plan is an important opportunity period for China's industrial textiles industry to improve the modernization level of the industrial chain and achieve high-quality development. Intelligent manufacturing technologies such as industrial Internet, 5g and artificial intelligence will provide important technical support. In the future, the industry will focus on the following work in intelligent manufacturing.

First, promote the development and application of advanced equipment. Continue to cooperate with key equipment enterprises to break through the shortcomings of the industry in advanced production lines and core equipment of production lines, improve the stability of equipment under high-speed operation, improve the digitization degree of equipment, vigorously promote the application of automatic and digital equipment, and realize the automation of the whole production process.

Second, vigorously promote the digital and networked transformation of enterprises. Support the industry to apply new technologies such as Internet of things, big data, 5g and artificial intelligence, promote the digitization and networking transformation of key links of enterprises, accelerate the application of advanced digital equipment, online monitoring and feedback system, intelligent warehousing and logistics system, advanced manufacturing and management software system in the industry, and realize the digital management characterized by "MES + ERP". We will promote the construction of digital chemical plants in the fields of nonwovens, medical and health textiles, textiles for geotechnical construction, textiles for vehicles, flexible composites, wires, belts and cables. At the end of the 14th five year plan, more than 70% of nonwovens enterprises will be transformed into digital and network enterprises.

Third, establish an industrial Internet demonstration platform. With the goal of shared design, collaborative manufacturing, quality traceability and supply-demand docking, promote the construction of regional and industrial industrial Internet platforms in the fields of individual protection and industrial filtering, develop industry-specific industrial apps, improve the service capacity of industrial Internet and big data platform in the industrial cluster area, and improve the collaborative manufacturing capacity and emergency rapid response capacity of the industrial chain.

Fourth, promote the intelligent construction in the field of nonwovens. Develop the simulation system of key processes such as nonwovens spinning, drafting, mesh laying, Spunlaced and needling, establish the big data model of nonwovens, and preliminarily build the data-driven intelligent ability characterized by process optimization, quality control, energy management and equipment maintenance.

Fifth, continue to promote industry enterprises to connect with high-quality intelligent manufacturing suppliers. Continue to expand the team of intelligent equipment and software system suppliers, encourage suppliers to develop low-cost and replicable software systems with the characteristics of industrial textiles, and help suppliers connect and promote solutions with industrial enterprises.

Sixth, continue to carry out pilot demonstration of Intelligent Manufacturing in the industry. Expand the scope of pilot enterprises, improve the pilot level, connect high-quality innovative resources and suppliers, support pilot enterprises to develop in product collaborative development, online quality inspection, energy management, quality control and improvement, equipment predictive maintenance, etc., form mature experience and model, and promote it in the industry.

Seventh, increase the development and promotion of intelligent textiles. Develop flexible sensor technology, energy acquisition and storage technology and data transmission technology applied to intelligent textiles to improve the reliability and consistency of flexible sensing materials. Develop and promote intelligent wearable products for sports, medical health, safety protection and other fields, expand the application of intelligent textiles in geotechnical, construction, filtration and other fields, and improve the ability of real-time quality monitoring and predictive maintenance.