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企业在生产过程中,过去常以产品为单元来组织生产,但对一些多品种、中小批量生产型企业来说,已显得不完全合适了。企业既要按照订货合同的期限完成生产任务,又要使多种生产资源(设备、人力、材料、资金等)得以充分利用,二者往往不能兼顾。常常为了保证交货期而打乱生产计划,追加急件生产,转换正在加工中的产品零件,造成时间和资源上的浪费,并随着产品的变化和多种意外故障的干扰,使得问题更加严重。常需突击完成某项任务,生产极度紧张。例如,为了保证产品配套而专为加工一个小齿
In the production process, enterprises used to organize production in units of products. However, for many multi-species, small-to-medium-batch production companies, they are not entirely suitable. Enterprises must not only complete the production tasks according to the time limit of the order contract, but also make full use of multiple production resources (equipment, manpower, materials, funds, etc.), which often cannot be taken into account. It often disrupts the production schedule to ensure delivery time, adds urgent production, and converts parts that are in process, resulting in waste of time and resources. The problem is further aggravated by product changes and a variety of unexpected failures. . It is often necessary to rush to complete certain tasks and production is extremely strained. For example, a small tooth is specially designed to ensure product support.