Material Requirements Planning

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material requirements planning

[mə′tir·ē·əl ri′kwīr·məns ‚plan·iŋ]
(industrial engineering)
A formal computerized approach to inventory planning, manufacturing scheduling, supplier scheduling, and overall corporate planning. Abbreviated MRP.

Material Requirements Planning

(MRP) A system for effectively managing material requirements in a manufacturing process.

Information systems have long been an important part of the manufacturing environment. In the 1960s, manufacturers developed Material Requirements Planning (MRP). According to the American Production and Inventory Control Society, Inc. (APICS), MRP is a set of techniques that uses bill of material data, inventory data, and the master production schedule to calculate requirements for materials. It makes recommendations to reorder materials. Furthermore, because it is time-phased, it makes recommendations to reschedule open orders when due dates and need dates are not in phase. Time-phased MRP begins with the items listed on the Master Production Schedule and determines the quantity of all components and materials required to fabricate those items and the date that the components and material are required. Time-phased MRP is accomplished by exploding the bill of material, adjusting for inventory quantities on hand or on order and offsetting the net requirements by the appropriate lead times.

See also Manufacturer Resource Planning.
References in periodicals archive ?
Demand Driven Material Requirements Planning (DDMRP) is an innovative methodology to model, plan and manage supply chains to protect and promote the flow of relevant information and materials.
It covers the nature and history of the profession, modeling the organizational structure and facility layout, project management, marketing considerations, purchasing and inventory management, scheduling, material requirements planning, enterprise resource planning, and the human factor.
She noted that, among other developments, leading solutions are increasingly providing manufacturing capabilities for end-to-end scenario integration, multichannel material requirements planning and order allocation with the ability to simulate.
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In that condition, the main production planning, material requirements planning, capacity requirements planning and other plans of the planning system need to be calculated separately, and the Coordination of multi-level plans is completed manually.
See George Plossl, Orlicky's Material Requirements Planning, 2nd edition, McGraw-Hill, New York, N.
When the supplier of Rich's logistical and material requirements planning (MRP) technology in its North American plants went out of business, the company was forced to seek out alternatives.
Manufacturing management such as inventory management, purchasing, engineering, production and material requirements planning (MRP) is also included.
Chapter 7 explores the evolution from legacy material requirements planning systems to the development of enterprise resource planning systems.
Inventory and production data stored in Material Requirements Planning (MRP) systems can also be considered critical if loss of this data causes a severe factory shutdown.
It integrates material requirements planning (MRP), forecasting, purchasing, scheduling, and general ledger functions to help track customer orders through production and ensure that the right materials are available for each job.

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