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从优化生产中的物流活动提高生产体系(ppt 39页)

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从优化生产中的物流活动提高生产体系(ppt 39页)内容简介
从优化生产中的物流活动提高生产体系内容简介:
The concept of producing the necessary units in the necessary quantities at the necessary time is described by the short-phrase “Just-In-Time”.
JIT生产是:在必需时间内生产必需数量的必需部品的概念.
In building shoes:   The necessary subassemblies of the proceeding process (uppers and bottoms) should arrive at the assembly line at the time needed in the amounts needed.
举例说明:
   在生产成品鞋的时候:制鞋所必需的部件(鞋帮和鞋底)要准时,准量,准型号地到达制造车间.
To rely solely on a central planning approach that instructs the production schedules to all processes simultaneously is not likely to result in a JIT process for all operations.
但是:单纯地依赖计划生产的方法,使所有工序同步生产,并不能完全实现所有环节的准时,准量生产.
The problem comes when a change is made either because the order changes or equipment breaks down.但是当定单有变化或设备出现问题的时候,就会发生一些问题:

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