Introduction to Piping Quality Control

· Ram Babu Sao
Ebook
672
Pages

About this ebook

The terms “Quality Control” and “Quality Assurance” are often used interchangeably, but they are not synonymous. “Quality Assurance” is a program executed by company management; “Quality Control” is a task that takes place on the production floor. Two aspects are quality control (QC) and quality assurance (QA). Understanding these programs, and their roles, is critical in making sure the respective engineer to carry out their duties effectively. There are three most important criteria for evaluating the Quality Control of work, such as, Cost, Time of delivery and Quality. Quality is most important factor out of the three. Quality isn’t simply a cost. It is a powerful tool that contributes to the economic success of the work. Therefore, there is need to control all three, but quality is the most significant. Many manufacturers recognize that quality leads to a higher customer retention rate and helps to build competitive boundaries. However, the term quality by itself isn’t sufficient.

ISO 9000 definitions the QC is the operational techniques and activities that are utilized to fulfil requirements for quality and QA is all those planned and systematic activities implemented to provide adequate confidence that the entity will fulfil requirements for quality. QC is a production line function. The aim of QC is to offer the highest reasonable quality of product or service to the client, thereby meeting or even exceeding the client’s requirements. The QA manager is interested in investigating technologies and processes that prevent defects. QA is a staff function. The aim of QA is to apply a planned and systematic production process, establishing confidence that the process generates suitable products.

QC method is intended to provide regular product inspection, thereby guaranteeing the output’s correctness, completeness, and integrity. It finds and addresses mistakes. They file and record all the QC procedures. The product or service needs to be suitable and fit for the intended purpose. The methods and processes should decrease errors and shortcomings the first time through the manufacturing process. QC is product-oriented; it focuses on tests and inspections carried out at various production line checkpoints. QA is process-oriented; its concerns are process definitions, proper selection of tools, proper use of testing methods, and operator training. QC works at locating defects; QA works at preventing them. QC emphasizes testing of products to discover defects, and reporting the results to management. QA attempts to improve and stabilize production to minimize or prevent the conditions that trigger defects. Typically, quality control involves problem identification, problem analysis, problem correction, and feedback. Quality assurance involves data collection, problem trend analysis, process identification, process analysis and process improvement.

The terms “Quality Control” and “Quality Assurance” are often used interchangeably, but they are not synonymous. “Quality Assurance” is a program executed by company management; “Quality Control” is a task that takes place on the production floor. Two aspects are quality control (QC) and quality ...

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