The alternator assembly line production, also called assembly line production, refers to a form of production organization in which labor objects continuously process and produce products according to a certain process route and a uniform production speed through various work sites. It is a further development of the specialized organization of objects, and a production organization with finer division of labor and higher production efficiency. Henry Ford (Henry Ford) in Highland Park, Michigan, established a production system in 1913.

　　Typical assembly line production has the following characteristics: one or a few products (parts) are fixed on the assembly line, and the production process is continuous; each work site on the assembly line is arranged in the order of the product process. Each work site only completes one or a few processes, which has a high degree of specialization; the assembly line is produced according to a uniform beat (the so-called beat is the time interval between two identical products produced before and after the assembly line); The production capacity of the work site is balanced and proportional, and the processing time of a single piece of each process is equal to the beat or a multiple of the beat; the assembly line is equipped with a special conveying device, and the products move according to a one-way transportation route.

Organizing assembly line production requires the following conditions: stable product variety, a long-term demanded product in society; advanced product structure, finalized design, standardized product, and good structural craftsmanship; raw materials and collaborative parts are standard and standardized , And can be supplied on time; machinery and equipment can always be in good condition, and a planned pre-repair system is implemented; the work of each production link can stably meet the work quality standards, and product inspection can be carried out on the assembly line along with the production.

The main advantage of assembly line production is that the production process of the product can better meet the requirements of continuity, parallelism, proportionality and balance. It has high productivity and can provide products that are in great demand in the market in a timely manner. Because it is a specialized production, the assembly line adopts special equipment and process equipment and mechanized transportation devices, which can increase labor productivity, shorten the production cycle, and reduce the occupation of products and transportation workload. Accelerate capital turnover and reduce production costs; it can also simplify production management and promote enterprises to strengthen production technology preparations and production services. The main disadvantage of assembly line production is that it is not flexible enough to adapt to the market's requirements for product output and variety changes, as well as technical innovation and technological progress. The adjustment and reorganization of the assembly line requires a large investment and time. Workers working on the assembly line are relatively monotonous, tense, and prone to fatigue, which is not conducive to improving the level of production technology.

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