Terms and Definitions Set #2 Flashcards
(114 cards)
Line Balancing
In a production or process operation line with several processes, machines, or operations in sequence, the discipline of balancing the throughput of each operation in the sequence such that production of any one unit in the sequence is equivalent or “balanced” with each of the other units in the sequence.
Little’s Law
The equation relating Throughput, Inventory, and Flow
Time for a process
THROUGHPUT = INVENTORY divided by FLOW TIME
Logistics
The process of managing materials for operations to meet certain objectives such as delivery speed, low inventories, and high accuracy. A new business opportunity has arisen for firms that specialize in logistics management to supply OEMs with JIT components and systems. Integrated Logistics handle a variety of unrelated components required by a customer or customers.
Maintenance
That classification of employees and process by which machines and equipment are maintained for sustained production.
Make-to-Order
Operations that make products or deliver services only to customer order–no finished goods inventory.
Make-to-Stock
Operations that make products to inventory in anticipation of customer demand–requires demand forecasts.
Manufacturing Engineering
The discipline that plans and implements production processes in an operational setting.
Marginal Analysis
Analysis of the effect of an action or activity at the limits or at a point in the operation rather than on the average. The marginal cost of an additional unit of production may be lower or higher than the average cost.
Master Production Schedule (MPS)
The schedule of finished goods that are to be manufactured based on actual or forecasted customer demand. Work centers are scheduled to manufacture the products to meet the MPS.
Material Control
That process whereby materials are ordered, received, and distributed throughout an operation to satisfy the master production schedule.
Material Flow
That process that defines the flow of materials in an operation.
Material Release
Release means the process and data by which a supplier is notified that material is to be shipped. Releases imply that the supplier already has a purchase contract for the goods to be supplied. The supplier may choose either to manufacture the product in anticipation of the release (forecasting) or wait until receiving the release and manufacture the product between the time that the release is received and the time that the supplier must ship the product to reach the customer plant on time. Release information usually specifies the part number and quantity required and the time it is to be received at the customer plant dock.
Materials
Those components that are part of the production bill of material that are process by an operation.
Mix
The breakdown of the total demand or production that identifies the different products in an aggregate demand or production run.
MRO
Those components and parts not associated with the direct material for a product. Tools, gloves, lubricants, machine maintenance parts are part of MRO.
MRP
Material requirements planning- MRP systems are used in almost all plants. They coordinate the bill of materials, forecasted demand, long lead-time parts, and the inventory in the plant. The reasons MRP systems are generally required relate to the fact that all parts cannot be supplied JIT and that schedules are not predictable. There are still suppliers that give price discounts for larger orders. Further, material receipt, inventory tracking, and engineering changes introduce complexity in plants unless the bills of material are few and simple. A plant that uses JIT exclusively is very rare. Forecasted demand is common for many supplied parts. Further, parts get lost, stolen, and damaged. Parts that do not meet quality standards must be reworked or resupplied. For all these reasons and more, an MRP system is required. MRP systems are quite complex and computer-based. The software incorporating MRP systems can be expensive and difficult to install because it requires and evaluation and possible change of all business practices.
MRP II
Material Resource Planning- an advanced version of MRP that integrates the whole value chain in planning material orders, production, scheduling, and shipments.
Molds
Molds are the same as tools but for plastic or chemical processing part production. A mold is the term used for the tools that shape plastic or other “soft” material parts in injection molding machines, that shape foam pads for furniture and automotive seating, and that shape baked goods. Thus, a baking pan is a mold for bread.
Muda
Waste. Reducing waste throughout the enterprise is one of the fundamentals tenets of the Toyota Production System.
Multiple Sourcing
Sourcing more than one supplier for the same part or system.
Net Income
The income remaining after all expenses have been deducted from revenues including taxes and extraordinary.
Newsvendor
Name of traditional problem and solution in operations management dealing with single order quantity optimization such as newspaper and other spoilable goods.
NLRB
National Labor Relations Board is an independent administrative agency responsible directly to the President who administers most of the provisions of the National Labor Relations Act. It is the federal agency responsible for administering union matters and issues.