quality control

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Quality Control

The processes a company or organization uses to test products to ensure that they are not defective. Quality control operatives may investigate the procedures used to make a product, the knowledge of employees or even intangibles like company morale. Quality control is distinguished from quality assurance in that quality control tests for errors while quality assurance seeks to put in place systems to ensure that the errors do not happen in the first place. See also: Quality.

quality control

the task of ensuring that the QUALITY of a product or service meets specified performance criteria. Quality control involves a number of activities, in particular:
  1. interpretation of PRODUCT SPECIFICATIONS;
  2. INSPECTION of products at each stage of production, including SAMPLING procedures to select items for testing and the use of testing equipment to check the performance of components or products and detect those that are defective. The results of such tests enable production operations to be modified quickly, for example by changing machine settings, to prevent further defectives being made and thereby saving on rectification costs or the later processing costs of items which would eventually have to be scrapped;
  3. cooperation with design, marketing, production and research and development over improvements in product quality;
  4. undertaking periodic quality audits to review the effectiveness of quality control procedures. See TOTAL QUALITY MANAGEMENT, PRODUCTION CONTROL, QUALITY ASSURANCE, FISHBONE CHART, QUALITY CIRCLE, SCRAP, CONTROL CHART, FAILURE COSTS, NORMAL CURVE, SAMPLING, ACCEPTANCE SAMPLING, CONTROL COSTS, LOT TOLERANCE PERCENTAGE DEFECTIVE, QUALITY FUNCTION DEPLOYMENT, QUALITY LOSS FUNCTION.

quality control

a discipline concerned with improving the QUALITY of goods and services produced. The object of quality control is to prevent faulty components or finished goods from being produced, and it uses a variety of devices to help achieve this aim. Techniques of statistical sampling and testing can be used to identify faulty materials and products. Statistical variability limits can be used to ensure, for example, that machines are continuing to hold their tolerances in producing goods. QUALITY CIRCLES can be employed to involve work-groups in the task of quality assurance by generating discussion about the cause of quality problems and how workers themselves can deal with such problems. See also PRODUCTIVITY, PRODUCT PERFORMANCE, PRODUCT DIFFERENTIATION.
References in periodicals archive ?
Whereas, the latter is more concerned with the frequency and effort involved in doing things, the quality controller focuses more on the process of doing things well.
CALABASAS - Quality controller National Technical Systems said Tuesday it acquired Phase Seven Laboratories to bolster its ability to serve the telecommunications sector.
A batch of workers under the supervision of a highly experienced quality controller, gives instructions to his team for preparing the desired grades.
Distinguishing the SpectaPix printer from other digital printers in its class are a host of innovative features, including a newly designed thermal head, low cost A4 and A4+ series self-laminating media, and Sony's picture quality controller technology -- all contributing to its ability to produce color accurate prints, time after time.
Today we hear that quality should be built into our processes - the concern of every employee, not just the quality controller with the "Approved" stamp.
The North American market (comprising United States and Canada) is further analyzed by the following Segments: Variable Compensation Equipment - Variable Series Compensation (Thyristor Controlled Series Capacitor (TCSC), & Static Synchronous Series Compensator (SSSC)), Variable Shunt Compensation (Static Synchronous Compensator (STATCOM), Static Var Compensator (SVC), & Synchronous Condenser (SC)), Variable Power Flow Controllers (Unified Power Flow Controller (UPFC), Unified Power Quality Controller (UPQC), & Phase Shifting Transformer (PST)); and Fixed Compensation Equipment - Fixed Shunt Capacitors, Fixed Shunt Reactors, & Fixed Shunt Reactors.
Mohammad Alam Gir, 32, a storekeeper, paid Dh1,650 for his return ticket to Bangladesh; Mohammad Salim, 29, a printing press operator, paid Dh1,690, and Tanjimuddin, 29, a quality controller, paid Dh1,580.
Grandfather and quality controller Anthony Steel was known for his massive smile and was "kind to everyone he met".
Employee Sally Whitehouse, who was hired through A4e, said: "I started out working on the production line as a quality controller and worked my way up in the organisation to become the production and quality control manager.
qc Audio Quality Controller, and the LQ-1000 Loudness Quality Monitor.
Quality controller Julie, who had swine flu and a kidney infection while pregnant, lived with Pete in Long Eaton, Derbyshire.
Gavin Lee, right, who works as a quality controller at JenningsFord's Yarm Road dealership in Stockton, will race in a modified 1984 Ford Fiesta XR2 as he gears up for his seventh consecutive championship year.

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