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Operations Management Processes & Supply Chains 9E: Chapter 8 Lean Systems (Key Terms)

Productions 315 @ Southern Illinois University - Edwardsville
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Lean systems
Operations systems that maximize the value added by each of a company's activities by removing waste and delays from them
Just-in-time (JIT) philosophy
The belief that waste (or muda) can be eliminated by cutting unnecessary capacity or inventory and removing non-value-added activities in operations
JIT system
A system that organizes the resources, information flows, and decision rules that enable a firm to realized the benefits of JIT principles
Lot
A quantity of items that are processed together
Single-digit setup
The goal of having a setup time of less than 10 minutes
Push method
A method in which production of the item begins in advance of customer needs
Pull method
A method in which customer demand activates production of the service or item
Jidoka
Automatically stopping the process when something is wrong and then fixing the problems on the line itself as they occur
Poka-yoke
mistake-proofing methods aimed at designing fail-safe systems that minimize human error
Takt time
Cycle time needed to match the rate of production ot the rate of sales or consumption
Heijunka
The leveling of production load by both volume and product mix
Mixed-model assembly
A type of assembly that produces a mix of models in smaller lots
Five S
A methodology consisting of five workplace practices - sorting, straightening, shining, standardizing, and sustaining - that are conducive to visual controls and lean production
One-worker, multiple-machines (OWMM)cell
A one-person cell in which a worker operates several different machines simultaneously to achieve a line flow
Group technology
An option for achieving line-flow layouts with low volume processes
Kaban
A Japanese word meaning "card" or "visible record" that refers to cards used to control the flow of production through a factory
Value stream mapping
A qualitative lean tool for eliminating waste or muda that involves a current state drawing, a future state drawing, and an implementation plan