6. MRP
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Transcript of 6. MRP
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Material Resource Planning
Copyright 2011 John Wiley & Sons, Inc.
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Material Requirements Planning
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MRP Inputs and OutputsInputsMaster production scheduleProduct structure fileItem master file
OutputsPlanned order releasesWork ordersPurchase ordersRescheduling notices
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Master Production ScheduleDrives MRP process with a schedule of finished productsQuantities represent production not demandQuantities may consist of a combination of customer orders and demand forecastsQuantities represent what needs to be produced, not what can be producedQuantities represent end items that may or may not be finished products
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Master Production Schedule
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Product Structure
Copyright 2011 John Wiley & Sons, Inc.
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Product Structure Tree
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Multilevel Indented BOM
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Item Master File
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MRP ProcessesExploding the bill of materialNetting out the inventoryNettingthe process of subtracting on-hand quantities and scheduled receipts from gross requirements to produce net requirementsLot sizingdetermining the quantities in which items are usually made or purchasedTime-phasing requirements
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MRP Matrix
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MRP
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MRP
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MRP - 1
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MRP - 2
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MRP - 3
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MRP - 4
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MRP - 5
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MRP - 6
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MRP - 7
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ITEM: PRESSBOARDLLC: 1PERIODLOT SIZE: MIN 100LT: 112345Gross RequirementsScheduled ReceiptsProjected on Hand150Net RequirementsPlanned Order ReceiptsPlanned Order ReleasesITEM: CLIPBOARDLLC: 0PERIODLOT SIZE: L4LLT: 112345Planned Order Releases100100100ITEM: LAPDESKLLC: 0PERIODLOT SIZE: MULT 50LT: 112345Planned Order Releases5050MRP - 8
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ITEM: PRESSBOARDLLC: 1PERIODLOT SIZE: MIN 100LT: 112345Gross Requirements 1001002001000Scheduled ReceiptsProjected on Hand150Net RequirementsPlanned Order ReceiptsPlanned Order ReleasesITEM: CLIPBOARDLLC: 0PERIODLOT SIZE: L4LLT: 112345Planned Order Releases100100100ITEM: LAPDESKLLC: 0PERIODLOT SIZE: MULT 50LT: 112345Planned Order Releases5050MRP 9x1x1x1x2x2
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ITEM: PRESSBOARDLLC: 0PERIODLOT SIZE: MIN 100LT: 112345Gross Requirements 1001002001000Scheduled ReceiptsProjected on Hand150505000Net Requirements50150100Planned Order Receipts100150100Planned Order Releases100150100ITEM: CLIPBOARDLLC: 0PERIODLOT SIZE: L4LLT: 112345Planned Order Releases100100100ITEM: LAPDESKLLC: 0PERIODLOT SIZE: MULT 50LT: 112345Planned Order Releases5050MRP 10x1x1x1x2x2
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MRP - 11
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Copyright 2011 John Wiley & Sons, Inc.15-*
Copyright 2011 John Wiley & Sons, Inc.
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Planned Order Report
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MRP Action Report
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