JIT(Just-In-Time)是准时化生产方式的英文缩写,是丰田生产方式(TPS)的两大支柱之一。其涵义是运用多种管理方法、手段,对生产过程中的诸多要素进行优化组合,做到以必要的劳动,确保在必要的时间内,按必要的数量,生产必要的“产品”,以杜绝超量生产,消除无效劳动和浪费,降低成本,提高产品质量,达到用最小的投入实现最大产出的目的。JIT的重点是生产现场,但又不仅限于此,它包括生产、营销、计划、供应、人力资源等几乎方方面面,如在供应系统方面要求在必要的时间,提供必要数量,质量可靠的原材料和零 JIT (Just-In-Time) is the English abbreviation of the just-in-time production method and is one of the two pillars of the Toyota Production System (TPS). Its meaning is to use a variety of management methods and means to optimize and combine many factors in the production process, so that necessary labor can be used to ensure that necessary amounts of necessary “products” are produced within the necessary time to eliminate Overproduction, eliminating inefficient labor and waste, reducing costs, improving product quality, and achieving maximum output with minimal investment. The focus of JIT is on the production site, but it is not limited to this. It includes almost all aspects of production, marketing, planning, supply, human resources, etc., as in the supply system requirements, when necessary, to provide the necessary quantity, reliable raw materials and zero