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Quality Control

quality control

In the engineering and manufacturing sector, quality control and quality engineering are used to develop the system to ensure that the products or services are designed and produced to meet customer requirements.

Quality control is the engineering and construction branch that works to take the reliability and failure test in the production and design of the product or services, to meet or exceed the needs of the customers.

Quality Assurance

A paradigm widely used for quality assurance management is the PDCA (Plan-Do-Check-Act) approach, also known as the Stewart Chakra.

Quality Assurance is a method used in the development of products or services that ensures quality levels in production. It has also been referred to as quality control (and QA or QC for short term), it involves processes and procedures which monitor various aspects of services, processes or facilities that can detect problems and To fix them or fall out of established standards or requirements.
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Quality Assurance is a method used in the development of products or services that ensures quality levels in production.

Objectives of quality assurance

By ensuring quality levels in its products or services, it is able to build a positive reputation for business reliability and stability.

It promotes consumer confidence and confidence in business and competes with other businesses in the same market.

History of quality assurance

The initial concepts of quality control can be seen back in the Middle Ages and due to the rise of the troupe being involved in a guild organization, a craftsman can reach the network of connections with other artisans and suppliers, and in the products produced by its members Based on quality standards can benefit from the Guild's reputation.

The Industrial Revolution brought more expertise in workers, as well as mechanization, and quality assurance developed and the establishment of quality assurance practices started around the special work done by the workers. With the introduction of mass production, inspectors need to monitor the components required by a large number of workers.

Statistical quality control (or statistical process control) was developed during this period to ensure quality, so that statistical methods can be used.

The modern concept of quality assurance started during World War II, when inspection and testing of warships became important for war efforts.

Failure test

Failure test (also known as reflex testing) is an important process for display on the entire consumer product. This operation of the product continues until it fails, even if heavy pressures such as vibration, temperature, and humidity continue to rise. It exposes many unforeseen weaknesses of the product and the data is used to run engineering and manufacturing process improvements.

Statistical control

Many organizations use statistical process control to reach the level of Six Sigma levels of the organization, in other words so that the general distribution of an unexpected failure is limited to six standard deviations. This probability is 3.4 millionths. Controlled items often include clerical work such as order-entry as well as traditional manufacturing work.

Traditional statistical procedures generally take control of the production operation by taking samples of production one by one and partially testing the production. Broadcasting of important capacities (torrents) is constantly monitored and manufacturing processes are cured before the bad part is produced.

Company quality

During the 1980s, "Company quality" came out with the concept of focusing on people and management. It was believed that if all departments brought the quality together with an open mind, then success was possible if the management would lead the quality improvement process.

The company's comprehensive quality approach emphasizes three aspects...

1.Recognition of control, job management, defined and well-managed processes, performance and integrity criteria and records. Like elements 

2,Knowledge, Skills, Experiences, Qualifications like Ability

3.components like employees' integrity, trust, organizational culture, inspiration, team spirit and good relationship.

If there is any reduction in any of these three aspects then quality of the product is in danger.

Full quality control

Full quality control is the most necessary inspection control in all the controls, in those cases where the sale decreases, despite statistical quality control technology or quality improvement being implemented.

If the original specification does not reflect the correct quality requirements, quality control cannot be inspected or manufactured.

For example, all material for prostitution should not only include content and dimensions, but also the requirements of operating, environment, reservation, sustainability, and maintenance.

International Quality Assurance Standard In 1947, an international association of organizations known as the ISO was established. The International Organization for Standardization is made up of standard organizations which represent more than 100 countries and maintain effective quality assurance system for manufacturing and service industries.

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