Production System Design and Control
Production System Design and Control MFE 654
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This 2 page Class Notes was uploaded by Ms. Teagan Hudson on Tuesday October 20, 2015. The Class Notes belongs to MFE 654 at Syracuse University taught by Staff in Fall. Since its upload, it has received 26 views. For similar materials see /class/225557/mfe-654-syracuse-university in Production at Syracuse University.
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Date Created: 10/20/15
MRP Material Requirements Planning use of digital computers in industry in 60s Joseph Orlicky IBM Unli e many otnerapproaones arid tecnniques material requirements planning works wnion is its best recommendation APICS initiative in 1972 MRP crusade one billion dollars of sales ofMRP software in 1989 MRP vs JIT 0 two philosophies for finding rules to move product within manufacturing systems 0 a pull system initiates production as a reaction to present demand 0 a push system initiates production in anticipation of future demand The Key Insight of MRP Dependent demand is different from independent demand independent demand any demand that originates outside the system dependent demand demand for components that make up independent demand products MRP adds the link between independent and dependent demand components a push system The Focus of MRP o to schedule jobs and purchase orders to satisfy material requirements generated by external deman purchase orders outside orders jobs orders from wi i o to deal with quantities and timing bill of material BOM The Basic MRP Procedure o Netting Lot sizing Time phasing BOM explosion lte rate Schematic of MR P MRP Inputs 0 basic inputs a forecast of demand for end items the associated bills of material a the current inventory status 0 input sources a the master production schedule a the item master le the inventory status le Inputs from the master production schedule 0 a part number 0 a quantity needed 0 a due date for each purchase order Inputs from the item master file o a part number 0 a description of the part 0 bill of material information o lotsizing information o planning lead times Inputs from the inventory status file onhand inventory data o rt number a description ofthe part tne current location tne current quantity scheduled receipt data a too number tg its current tocation tne part number tne current quantity tne desired quantity ittnere i5 yield i055 tne due data tg anticipated competion date aa an example
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