Chapter 8: Lean Systems Flashcards
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 can be eliminated by cutting unnecessary capacity or inventory and removing non-value-added activities in operations
JIT systems
a system that organizes the resources, information flows, and decision rules that enable a firm to realize the benefits of JIT prinicples
lot
a quantity of items that are processed together
single-digit setup
the goal of having a setup time of less than 10 minutes
pull method
a method in a which production of the service or item
push method
a method in which production of the item begins in advance of customer needs
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 to 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 (5S)
a methodology consisting of five workplace practices
-sorting, straightening, shining, standardizing, and sustaining-
that are conductive 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 (GT)
an option for achieving line-flow layouts with low volume processes; this technique creates cells not limited to just one worker and has a unique way of selecting work to be done by the cell