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16 Cards in this Set
- Front
- Back
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MRP (Materials requirements planning)
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computer-based information system that translates master schedule requirements for end items into time-phased requirements for subassemblies, components, and raw materials, working backward from the due date using lead times and other information to determine when and how much to order
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Dependent demand
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demand for items that are subassemblies or component parts to be used in production of finished goods
- demand is certain |
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MRP II (Manufacturing Resource Planning)
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expanded MRP with emphasis placed on integration
- financial planning - marketing - engineering - purchasing - manufacturing |
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ERP (enterprise resource planning)
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- next step in evolution that began with MRP and evolved into MRP II
- integrations of financial, manufacturing, and human resources on a single computer system - expanded effort to integrate standardized record keeping that will permit "information sharing" among different areas of an organization |
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Primary MRP inputs
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master schedule
bill-of-materials inventory records |
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Master schedule
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one of three primary inputs in MRP; states which end items are to be produced, when these are needed, and in what quantities
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Bill of materials (BOM)
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one of the three primary inputs of MRP; a listing of all of the raw materials, parts, subassemblies, and assemblies needed to produce one unit of product
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Inventory records
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one of three primary inputs in MRP; includes information on the status of each item by time period
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Primary MRP outputs
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Primary reports (main reports):
1. Planned orders 2. Order releases 3. Changes Secondary reports (optional outputs): 1. Performance-control reports 2. Planning reports 3. Exception reports |
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Planned orders
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schedule indicating the amount and timing of future orders
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Order releases
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authorization for the execution of planned orders
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Changes
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revisions of due dates or order quantities, or cancellations of orders
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Performance-control reports
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evaluation of system operation, including deviations form plans and cost information
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Planning reports
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data useful for assessing future material requirements
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Exception reports
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data or any major discrepancies encountered
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Differences in dependent and independent demand inventory
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Independent demand is fairly stable once allowances are made for seasonal variations, but dependent demand tends to be sporadic or "lumpy"; large quantities are used at specific points in time with little or no usage at other times
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