The development of manufacturing in China has faced many challenges such as the rise of the labor force today, but the manufacturing industry still plays an important role in the future development of China. In the new round of scientific and technological revolutions and industrial changes, Chinese manufacturing cannot be separated from intelligent manufacturing. For a time, hot words such as “Industry 4.0”, “Made in China 2025”, and “China Zhi Zhi” filled the Internet and newspapers.

As a leader in the drivetrain industry for commercial vehicles , Shaanxi Fast Group Co., Ltd., an expert in transmission manufacturing, is immersed in smart manufacturing.

Fast relies on scientific and technological progress and independent innovation to closely track the world's cutting-edge technologies and continuously accelerate the pace of technological advancement, product automation, and production intelligence. From the establishment of integrated Hardware and software intelligent systems, the full use of smart devices, vigorously training new types of talent, and concentrating on lean management and other aspects, increase investment, strengthen management, and quickly promote the pace of intelligent development, and further enhance the level of information management, for enterprises It lays a solid foundation for the healthy development of science.

Lean production, the "foundation stone" of intelligent manufacturing

In the era of Industry 4.0, smart factories will be popular. Lean is listed by Germany as one of the four modules that constitute the future smart factory. Lean production is also the basis for the implementation of Industry 4.0 by Chinese companies, and the basis and management guarantee for the transformation and upgrading.

As early as in 2009, Chairman Li Dakai issued a call for all employees to carry out the “Scientific Improvement, Increased Efficiency, and Reduced Cost (KTJ)” campaign, and requested all employees to focus on precision production and precise management, and deepen the concept of KTJ. Promote lean production.

Fast modern gear processing machine cluster
Fast modern gear processing machine cluster

The fluency of processes in the lean production method is the basis for optimization of the production line. Requires a "one stream" concept to lay out production. In the initial stage of implementation, six production lines, including the 12th assembly line of the fifth workshop, the intermediate shaft of the third workshop of the toothed joint, 1124, the sliding sleeve, the main shaft of the auxiliary box, and the second shaft, were leanly transformed and succeeded. The transformation of these production lines through the implementation of "a stream of production", the production line by a single-step transfer between the slides, no carts, a part from the incoming line to the line of the processing cycle significantly shortened. The number of transportations has been greatly reduced, and the logistics in the line has been smooth. This not only reduces collisions, but also promptly discovers problems and reduces batch quality accidents. Through large-scale lean transformation, the production efficiency has been greatly improved, manpower resources have been saved, land area has been saved, work-in-progress between processes has been greatly reduced, redundant manpower has been reduced, and workers have become more versatile and their per capita efficiency has increased by more than 30%. Save a lot of station equipment, effectively reduce the labor intensity of the workers' operations, and lay a solid foundation for future automated production.

Lean logistics, smart manufacturing "conveyor belt"

In 2012, Chairman Li Dakai proposed the concept of “lean logistics” and personally planned and constructed Fast's lean logistics management system to raise the implementation of lean logistics to the strategic development level of the company. The project first used the 6DS comprehensive warehouse in Baoji Plant as the pilot for lean logistics, and implemented the lean logistics program in a way of “establishing pilots and gradually advancing”. The project was then extended to the whole company and the Fast Logistics System was fully promoted by Fast Logistics System. (FLS) construction, further enhance the company's business philosophy, the formation of fast operating philosophy (Fast Operations System, or FOS).

Integrate the layout, production line layout, production and logistics modes of the new plant with the Lean concept. Through the brand-new design of the logistics method in the workshop, the process flow is smooth and the labor intensity of the workers is reduced, the rough blank management, the first-in, first-out are achieved, the sporadic sites are eliminated, the utilization rate of the production space is increased, the visual degree of the site is improved, and the management is convenient and reduces. A lot of handling, to avoid unnecessary transportation and manpower, material waste caused by the long distance and logistics information in the post-production process.

Warehouse Management Informationization, Smart Manufacturing "Good Housekeeper"

While implementing lean production and lean logistics, the pilot work of the procurement warehousing information management system also began. The warehouse IT management system covers major functions such as electronic reception, electronic distribution, real-time material inquiries and on-line settlement. It achieves the sharing of material storage information between different legal entities and different use units, and achieves the purpose of avoiding repeated purchases and reducing the use of acquisition funds. .

Fast All Aluminum Lightweight Transmission
Fast All Aluminum Lightweight Transmission

Since the official operation of the purchasing warehouse information management system, it is more intuitive and simple than the original ERP system operation. It consists of seven modules: system maintenance, basic data management, auxiliary materials management, spare parts management, tool management, VMI management, and comprehensive statistical analysis. It has greatly facilitated the procurement of warehousing. During the use of the system, the procurement warehousing and statistical reports are clear and clear. It is very convenient to increase or decrease the quantity of materials, and it is very convenient for on-line settlement. With the VMI supplier management system, the supplier can understand the inventory of the supplied materials in real time. Situation and on-line settlement, convenient for reconciliation. Through the sub-library division, it is convenient for the workshop to pick up the required materials nearby, eliminate the phenomenon of misplacement of goods from the source, and the system materials can directly bring out the supplier information to ensure that the purchased funds can be traced back. At the same time, the shop purchase requisition is associated with the purchase order, to ensure that the first time to understand whether the purchase of the purchase of funds is stored, reducing the one-by-one notice of the warehouse, saving a lot of manpower and material resources. The added special examination and approval function in the system saves the examination and approval of the original paper documents, which not only reduces the labor intensity of the material personnel, but also strengthens the supervision of the competent authorities and reduces unnecessary waste.

Automated assembly of cantilever wire, smart manufacturing "showcase"

Recently, the special “Heavy Card Transmission Automatic Cantilever Assembling Line Project” developed by Fast and the Shenyang Institute of Automation of the Chinese Academy of Sciences has successfully passed the inspection and acceptance, which will add another dimension to Fast's intelligent manufacturing.

Fast independent research and development of automatic production line
Fast independent research and development of automatic production line

The J-hook Assembly Line combines industrial automation, communications, intelligent robots, tightening and tightening, information control, and testing, and multi-station automation. The assembly line is equipped with functions such as automatic operation, stoppage, rollover, lift, precise positioning and safety protection. The robot realizes functions such as flexible pitch tightening, automatic gluing, transfer line handling, and precision assembly. On-line press-fitting eliminates the risk of quality caused by bearing knocks. The over-the-air logistics system docks the washer and automatically transports the parts to the assembly station, eliminating part collisions. With six degrees of freedom robots, online automatic detection and product flow automatic control are realized, and a variety of product flexible assembly lines can be completed to achieve a single delivery mode. The qualification rate for one-time packing is increased by 3%, the production capacity of assembly line is increased by 25%, the floor space is saved by 27%, labor intensity of workers is effectively reduced, and product assembly automation and intelligence are greatly improved.

Set up R&D team to let smart manufacturing have “Chinese heart”

From 2014 onwards, in order to optimize equipment resources and accelerate the pace of automated production, Fast established an automated production line research team based on repeated argumentation. Based on a detailed understanding of the product processing flow and processing technology, R&D personnel gave full play to the spirit of teamwork, and after six months of time, after in-depth discussion and study of advanced external experience, the first production line wiring reconstruction program was determined, and domestic CNC equipment was selected. Designed and manufactured automatic loading and unloading yards and fixtures, and at the same time carried out mechanical and electrical transformation of CNC machine tools, completed the information exchange and logistics design between the equipment of the production line. At present, the automatic line has been successfully put into production, enabling Fast to realize the progress made in the development of a single device to an automated production line, marking the overall improvement of the capabilities of Fast's self-made equipment.

Recently, the 6DS engineering area full-automatic production line has been successfully put into use. A production line has completed all the processes such as the milling end face, rough copying, finishing car, boring and marking, and only one employee per shift is required Disk and machine tools can be monitored. The production beats closely, the production process is smooth, and the processing efficiency is greatly improved. It is reported that up to now, seven fully automated production lines, including intermediate shafts, two shafts, sliding sleeves, and deceleration wheels, have been in service.

In the long run, production automation will become the general direction of future development, and it will play an increasingly important role. At present, Fast's unmanned, automated production line application has adopted the "point, line, surface" mode of advancement, steady and steady promotion of comprehensive promotion.

Undoubtedly, intelligent manufacturing has become another innovative driving force of Fast.

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