A make to order production environment is one in which manufacturing or in the case of a service, service, starts only after receiving a customer's order.
A make to stock production strategy is used mostly in forecasting environments. The Apics dictionary 14'th edition defines Make to Stock as a production environment where products can be and usually are finished before receipt of a customer order. Customer orders are typically filled from existing stocks and production orders are used to replenish stocks.
A water spider/runner/mizusmashi is someone who transports materials quickly and efficiently from work area to work area. Typically the water spider will collect, deliver and log the flow of materials as they move from area to area. This person will also attempt to move as much non-value added work away from the primary member.
A material information flow diagram is a value stream map. Toyota refers to the map as material and information flow because the map visually shows the flow of materials and information.
See also: Value Stream Map.
Mixed-Model Production is the practice of making, assembling or producing several different parts or products (this can also be applicable to services) in varying lot sizes so that the organization produces close to the same mix of products/services that will be sold on the same day. The goal of a mixed-model production tactic is to smooth out the demand of upstream workcenters, cells, suppliers and vendors which results in a reduced inventory, faster changeovers and more accurate replenishment of products ultimately working towards building and or producing in accordance with daily demand.
Mura is the unevenness in a workplace. The term mura originated within the Toyota Production System. Mura often causes disruptions in flow, throughput and places unnecessary strain on employees.
Muri is the overburdening of operators and equipment. Muri often asks or sometimes requires machines and people to work much harder and much longer than a regular or "appropriate" schedule would.
The Master Production Schedule (MPS) is best defined by The Apics Dictionary, which is cited below.
A line on the master schedule grid that reflects the anticipated build schedule for those items assigned to the master scheduler. The master scheduler maintains this schedule and material requirements planning. It represents what the company plans to produce expressed in specific configurations, quantities and dates. It is not a sales item forecast that represents a statement of demand. It must take into account the forecast, the production plan and other important considerations such as backlog, availability of material, capacity and any other management policies and goals.
Material Requirements Planning is best defined by The Apics Dictionary which is noted below.
A set of techniques that uses the bill of material data, inventory data and the master production schedule to calculate requirements for materials. It makes further recommendations to release replenishment orders for materials. Further, because it is time-phased, it makes recommendations to reschedule open orders when due dates and need dates are not in phase. Time-phased begins with the items listed in the MPS and determines:
Reference: Apics Dictionary
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Business Metrics are a system for collecting, measuring and benchmarking a measure to an established standard or a specific objective for a department, operation, product, service, business, organization etc. A good performance metric will establish criteria, a standard or desired level of performance and a measurement. One of the greatest books on Metrics is; Metrics, how to improve key business results.
Muda is one of the three origins of waste. The phrase muda means uselessness or wastefulness. There are two types of Muda that are non-value added activities. The first type is non-value and is complete waste. This type includes the 8 forms of waste: Transportation, Inventory, Motion, Waiting, Over Processing, Over Production, Defects and Underutilized Skills. The second type of muda is business necessary. Business necessary forms of muda add no value to a product or a service but they might be necessary.
The ABC's of