quality control

quality control

  • Planifikazioa - Kontrola - Kontu-ikuskapena
  • es control de calidad
  • eu kalitate-kontrol
  • fr contrôle de la qualité

quality control

  • ca control m de qualitat
  • de Qualitätskontrolle f; Gütekontrolle f
  • es control m de calidad
  • eu kalitate-kontrol
  • fr contrôle m de qualité
  • gl control m de calidade
  • it controllo m di qualità
  • pt controlo m de qualidade

Quality control


Quality control (QC) is a process by which entities review the quality of all factors involved in production. ISO 9000 defines quality control as "a part of quality management focused on fulfilling quality requirements".[1]
This approach places emphasis on three aspects (enshrined in standards such as ISO 9001):[2][3]
Inspection is a major component of quality control, where physical product is examined visually (or the end results of a service are analyzed). Product inspectors will be provided with lists and descriptions of unacceptable product defects such as cracks or surface blemishes for example.[3]
Early stone tools such as anvils had no holes and were not designed as interchangeable parts. Mass production established processes for the creation of parts and system with identical dimensions and design, but these processes are not uniform and hence some customers were unsatisfied with the result. Quality control separates the act of testing products to uncover defects from the decision to allow or deny product release, which may be determined by fiscal constraints.[6] For contract work, particularly work awarded by government agencies, quality control issues are among the top reasons for not renewing a contract.[7]
The simplest form of quality control was a sketch of the desired item. If the sketch did not match the item, it was rejected, in a simple Go/no go procedure. However, manufacturers soon found it was difficult and costly to make parts be exactly like their depiction; hence around 1840 tolerance limits were introduced, wherein a design would function if its parts were measured to be within the limits. Quality was thus precisely defined using devices such as plug gauges and ring gauges. However, this did not address the problem of defective items; recycling or disposing of the waste adds to the cost of production, as does trying to reduce the defect rate. Various methods have been proposed to prioritize quality control issues and determine whether to leave them unaddressed or use quality assurance techniques to improve and stabilize production.[6]
There is a tendency for individual consultants and organizations to name their own unique approaches to quality control—a few of these have ended up in widespread use:
In project management, quality control requires the project manager and/or the project team to inspect the accomplished work to ensure its alignment with the project scope.[15] In practice, projects typically have a dedicated quality control team which focuses on this area.[16]
Elements such as controls, job management, defined and well managed processes,[4][5] 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.

  • ^ ISO 9000:2005, Clause 3.2.10
  • ^ Praxiom Research Group Limited (16 August 2017). "ISO 9001 Translated Into Plain English". Praxiom Research Group Limited. Retrieved 29 November 2017.
  • ^ a b Aft, L.S. (1997). "Chapter 1: Introduction". Fundamentals of Industrial Quality Control. CRC Press. pp. 1–17.
  • ^ Dennis Adsit (9 November 2007). "What the Call Center Industry Can Learn from Manufacturing: Part I" (PDF). National Association of Call Centers. Archived from the original on 4 July 2017. Retrieved 21 December 2012.
  • ^ Dennis Adsit (23 November 2007). "What the Call Center Industry Can Learn from Manufacturing: Part II" (PDF). National Association of Call Centers. Archived from the original on 4 July 2017. Retrieved 21 December 2012.
  • ^ a b Shewhart, Walter A. (Walter Andrew); Deming, W. Edwards (William Edwards) (1939). Statistical method from the viewpoint of quality control. Washington: The Graduate School, The Department of Agriculture. pp. 1–5.
  • ^ "Position Classification Standard for Quality Assurance Series, GS-1910" (PDF). US Office of Personnel Management. March 1983. Archived (PDF) from the original on 9 October 2022. Retrieved 21 December 2012.
  • ^ Juran, Joseph M., ed. (1995), A History of Managing for Quality: The Evolution, Trends, and Future Directions of Managing for Quality, Milwaukee, Wisconsin: The American Society for Quality Control, ISBN 9780873893411, OCLC 32394752
  • ^ Feigenbaum, Armand V. (1956). "Total Quality Control". Harvard Business Review. 34 (6). Cambridge, Massachusetts: Harvard University Press: 93–101. ISSN 0017-8012. OCLC 1751795.
  • ^ Feigenbaum, Armand Vallin (1961), Total Quality Control, New York, McGraw-Hill, OCLC 250573852
  • ^ Ishikawa, Kaoru (1985), What Is Total Quality Control? The Japanese Way (1 ed.), Englewood Cliffs, New Jersey: Prentice-Hall, pp. 90–91, ISBN 978-0-13-952433-2, OCLC 11467749
  • ^ Evans, James R.; Lindsay, William M. (1999), The Management and Control of Quality (4 ed.), Cincinnati, Ohio: South-Western College Publications, p. 118, ISBN 9780538882422, OCLC 38475486, The term total quality management, or TQM, has been commonly used to denote the system of managing for total quality. (The term TQM was actually developed within the Department of Defense. It has since been renamed Total Quality Leadership, since leadership outranks management in military thought.)
  • ^ "What Is Six Sigma?" (PDF). Schaumburg, Illinois: Motorola University. 19 February 2010. p. 2. Archived from the original (PDF) on 3 December 2013. Retrieved 24 November 2013. When practiced as a management system, Six Sigma is a high performance system for executing business strategy.
  • ^ Wheat, B.; Mills, C.; Carnell, M. (2001). Leaning into Six Sigma: The Path to integration of Lean Enterprise and Six Sigma. Publishing Partners. p. 100. ISBN 9780971249103.
  • ^ Phillips, Joseph (November 2008). "Quality Control in Project Management". The Project Management Hut. Retrieved 21 December 2012.
  • ^ Rose, K.H. (2014). Project Quality Management: Why, What and How. J. Ross Publishing. p. 224. ISBN 9781604271027.

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