MRP(2,18) - MATERIALS REQUIREMENT PLANNING Whatisneeded...

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MATERIALS REQUIREMENT PLANNING MRP is designed to answer three questions: -What is needed? -How much is needed? -When is it needed? 1 Master  Production  Schedule Product  Structure  Diagram Inventory  Records MRP  Computer Requirements for  Raw Materials Detailed Shop Floor  Schedule Inventory  Transactions MRP Inputs MRP Processing MRP Outputs
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MRP INPUTS 1. Master Production Schedule: - Master production schedule specifies how much of each product to make  in a specific period - Input: Forecasted Demand weeks1 2 3 4 5 6 7 8 Item X - - - 100 - - - 100 Question:  Where do these quantities come from?  2
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2. Product Structure Diagram  Product Structure diagram refers to the relationship between the components  at adjacent levels of the system  Bill of Material (BOM) Listing of all assemblies, subassemblies, parts, and raw materials  that are needed to produce one unit of a finished product.  3 END ITEM ITEM A (2) 1 week  ITEM B (1) 2 weeks ITEM C (1) 2 weeks  ITEM D (2) 1 week  ITEM C (2) 2 weeks  ITEM E (3) 2 weeks 
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Example:  Consider the following product structure diagram and  determine the quantities of each item that will be required to assemble 200 of  item x.  Solution:      Quantity Quantity Component       per 1 X per 200X 4  ITEM X B (2) C (1) D (3) E (1) E (2) F (2) E (4)
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3. Inventory Records:
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