test of the production line so as to verify the normality of the products
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Quality control Definition from Language, Idioms & Slang Dictionaries & Glossaries
quality control
n : maintenance of standards of quality of manufactured goods
Noun
1. maintenance of standards of quality of manufactured goods
(hypernym) internal control
(hyponym) acceptance sampling
Quality control Definition from Business & Finance Dictionaries & Glossaries
inspection, testing etc. of product samples to ensure high quality is maintained (see TQM, value engineering); also qualitity assurance.
Copyright © 2001, Ray WrightQuality control Definition from Science & Technology Dictionaries & Glossaries
A management function whereby control of the quality of (a) raw materials, assemblies, produced materiel, and components, (b) services related to production, and (c) management, production, and inspection processes is exercised for the purpose of preventing undetected production of defective materiel or the rendering of faulty services. (188 )
In all production processes, the extent to which products meet quality specifications must be monitored. In the most general terms, there are two "enemies" of product quality: (1) deviations from target specifications, and (2) excessive variability around target specifications. During the earlier stages of developing the production process, designed experiments are often used to optimize these two quality characteristics (see Experimental Design); the methods discussed in the Quality Control chapter are on-line or in-process quality control procedures to monitor an on-going production process.
The general approach to on-line quality control is straightforward: We simply extract samples of a certain size from the ongoing production process. We then produce line charts of the variability in those samples, and consider their closeness to target specifications. If a trend emerges in those lines, or if samples fall outside pre-specified limits, then we declare the process to be out of control and take action to find the cause of the problem. These types of charts are sometimes also referred to as Shewhart control charts (named after W. A. Shewhart who is generally credited as being the first to introduce these methods; see Shewhart, 1931). For more information, see the Quality Control Charts chapter.
The general approach to on-line quality control is straightforward: We simply extract samples of a certain size from the ongoing production process. We then produce line charts of the variability in those samples, and consider their closeness to target specifications. If a trend emerges in those lines, or if samples fall outside pre-specified limits, then we declare the process to be out of control and take action to find the cause of the problem. These types of charts are sometimes also referred to as Shewhart control charts (named after W. A. Shewhart who is generally credited as being the first to introduce these methods; see Shewhart, 1931). For more information, see the Quality Control Charts chapter.
Quality control Definition from Encyclopedia Dictionaries & Glossaries
Quality control, or QC for short, is a process by which entities review the quality of all factors involved in production. This approach places an emphasis on three aspects:
- Elements such as controls, job management, defined and well managed processes, performance and integrity criteria, and identification of records
- Competence, such as knowledge, skills, experience, and qualifications
- Soft elements, such as personnel integrity, confidence, organizational culture, motivation, team spirit, and quality relationships.
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Quality control is a process for maintaining proper standards in manufacturing.
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Quality control Definition from Society & Culture Dictionaries & Glossaries
A system of procedures, checks, audits, and corrective actions to ensure that all EPA research design and performance, environmental monitoring and sampling, and other technical and reporting activities are of the highest achievable quality.
Provided as a public service by the U.S. Environmental Protection AgencyQuality control Definition from Medicine Dictionaries & Glossaries
The operational techniques and activities used to fulfil requirements for quality.
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