- 4 Ms
Man/woman, machine, method, and material.
- affinity diagram
A tool for gathering and grouping ideas; one of the new seven quality tools; used in hoshin planning.
A Japanese martial art founded by Morehei Ueshiba.
A line stop; typically a cord that a worker can pull to stop the assembly line when he or she detects a defect; an example of jidoka.
"Morning market" in Japanese; a quality activity that entails reviewing the previous day's most important defects and doing on-the-spot problem solving.
- batch production
The practice of making large batches of a particular item so as to realize (supposed) efficiencies of equipment, materials, and map-power.
An arrangement of people, machines, materials, and methods such that processing steps are adjacent and in sequential order so that parts can be processed one at a time (or in some cases in a consistent small batch that is maintained through the process sequence). The purpose of a cell is to achieve and maintain efficient continuous flow.
- change over time
The time it takes for a piece of equipment to change over from one product to another; usually measured from the last good previous part or service to the first subsequent good part or service.
- continuous flow
In its purest form continuous flow means that items are processed and moved directly to the next process one piece at a time. Each processing step completes its work just before the next process needs the item, and the transfer batch size is one. Also known ...