运营管理课件资料.ppt

Transparency Masters to accompany Operations Management, 5E (Heizer Render) 14-31 ?1998 by Prentice Hall, Inc. A Simon Schuster Company Upper Saddle River, N.J. 07458 Extensions of MRPCapacity Planning Tactics for smoothing the load and minimizing the impact of changed lead time include: Overlapping - reduces the lead time, entails sending pieces to the second operation before the entire lot has completed the first operation Operations splitting - sends the lot to two different machines for the same operation Lot splitting - breaking up the order and running part of it ahead of the schedule 第三十一页，共三十五页。 Transparency Masters to accompany Operations Management, 5E (Heizer Render) 14-32 ?1998 by Prentice Hall, Inc. A Simon Schuster Company Upper Saddle River, N.J. 07458 Extensions to MRPEnterprise Resource Planning MRP II with ties to customers and suppliers 第三十二页，共三十五页。 Transparency Masters to accompany Operations Management, 5E (Heizer Render) 14-33 ?1998 by Prentice Hall, Inc. A Simon Schuster Company Upper Saddle River, N.J. 07458 MRP in Services Can be used when demand for service or service items is directly related to or derived from demand for other services restaurant - rolls required for each meal hospitals - implements for surgery etc. 第三十三页，共三十五页。 Transparency Masters to accompany Operations Management, 5E (Heizer Render) 14-34 ?1998 by Prentice Hall, Inc. A Simon Schuster Company Upper Saddle River, N.J. 07458 Distribution Resource Planning DRP requires: Gross requirements, which are the same as expected demand or sales forecasts Minimum levels of inventory to meet customer service levels Accurate lead times Definition of the distribution structure 第三十四页，共三十五页。 内容总结 Transparency Masters to accompany Operations Management, 5E (Heizer Render)。12,000 purchased parts。14-14。Bill-of-Material。Time-Phased Product Structure。1995 Corel Corp.。Accurate bill-of-material。1984-1994 T/Maker Co.。(Item Master File)。(Bill-of-Material)。Lot-for-lot。DRP requires: 第三十