01-APQP计划_1.xls
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1、Material Movement in a Lean Manufacturing Operation 优化生产中的物流活动 Total Systems Development 全体系生产提高 JIT生产(准时,准量生产): What is meant by the term, “Just-In-Time”? JIT生产意味着什么? Does it mean JIT Supply? 准时,准量供应? Does it mean JIT Production? 准时,准量生产? So, what is Just-In-Time? 那么,什么是准时准量生产? The concept of produ
2、cing 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. For example. In building shoes: The necessary subassemblies of the proceeding process (uppers and bottoms) should arrive at the assembly line at
3、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. If we achieve JIT: 如果我们做到准时,准量生产: Unnecessary inventories will be eliminated. 不必要的库存就会消除 Stores and warehouses will not be needed. 储存区和仓库也可以取消 Material carrying costs will be diminished. 资材搬运成本降低 However. To re
4、ly 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. TransferWasherAssemblyMachining加工Welding焊接Assembly组装Shipping装船 Weekly Schedul
5、e每周生产计划 Typically, one control operation receives the customers orders and disseminates schedules. 通常,生产控制部门接受客户定单,然后制订并传达计划. Production Control 生产控制 TransferWasherAssemblyMachining加工Welding焊接Assembly组装Shipping装船 Weekly Schedule每周生产计划 Production Control 生产控制 III I II The problem comes when a change
6、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: 库存库存 库存 库存 The result is excess inventory 结果是导致过多的库存 within the plant as Work-In-Process 在本车间工序内积压过多的库存 suppliers sending in parts that are not needed 上一道工序发来的并不需要的部件 Additionally另外, We need extra floor
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