Quality Assurance vs Quality Control: Definition & 7 Key Differences

Sometimes all orders are checked, sometimes this is done at random. In the case of products, they are checked and examined for visual elements, or the end results in the case of services. Inspectors often work using checklists and descriptions of defects.

  • A system for verifying and maintaining a desired level of quality in a product or process, as by planning, continued inspection, and corrective action as required.
  • You might also need to earn a professional designation such as Certified Quality Inspector.
  • Super Sports Warehouse is a company that makes nearly everything you could think of for nearly every sport.
  • Enhanced Service Quality − Quality control activities can also be applied to services to ensure they meet the required quality standards.
  • Testing is important because corrective action can be taken if deviations are found.

A professional designation like Certified Quality Inspector may also be required. As you gain job experience, you can advance to the position of senior specialist and start leading groups of quality control specialists. Production rate is the pace at which units of a product are manufactured within a scheduled time frame. Production rate can also refer to the amount of time it takes to produce one unit of a good. Lean Six Sigma is a team-focused managerial approach that seeks to improve performance by eliminating waste and defects.

Quality Control Manager Job Description

First, he checks that his procedure is correct and that he has all the right equipment and ingredients. Before making something, its designer determines what quality checks are necessary and when to carry them out. Should the inspector identify a problem, they can resolve the issue themselves, https://globalcloudteam.com/ send the product back to the manufacturer for remediation, or reject the product in its current form. Inspectors are tasked with notifying their supervisor when they come across an issue. That way all parties can work together to address the discrepancy and eliminate quality problems.

However, these advanced approaches to treatment delivery, with beams that dynamically change during their delivery, have rendered traditional quality control solutions inadequate. Clause 9 comprises 10, a paratactic extension adding to the described effects of quality control. Products in the brink of chaos stage are meeting expectations; however, the process is not predictable. So, the basketballs are still meeting quality expectations, but the process is not always functioning in a manner that is predictable and stable. Process control refers to monitoring and adjusting an activity to gain the desired output with less variation.

Quality Control Process

If QC testing uncovers quality issues, it should result in reactive steps to prevent an unsafe product from being shipped and distributed. QA encompasses all of the activities within your plan that ensure your product is ready to go through the manufacturing process (or software development process if you’re creating software). In other words, you’re verifying that https://globalcloudteam.com/quality-assurance-vs-quality-control-main-differences/ the quality requirements you planned for will be fulfilled as the products are made. The third type of quality control is known as control charts, which are valuable tools that help a company analyze the variation in a process. While process control already monitors the actual processes in a business, control charts help a company visualize these processes.

Quality control explanation

Quality assurance control systems are the methods and procedures which are used to safeguard quality standards. Quality control systems measure parts, including the outputs of the system. It aims to prevent defects before they occur through process design. QC is reactive and exists to identify defects in the quality of products after they have happened. Quality control helps a company make sure it’s producing products that meet expectations and are of good quality. It also helps a company make sure that there are little errors with both production and employees.


Testing during various production phases can help identify the cause of a production problem and the necessary corrective actions to prevent it from happening again. 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. Quality was thus precisely defined using devices such as plug gauges and ring gauges.

Quality control explanation

By drawing the quality chart, it is easy for an entrepreneur to locate the deviation points and their causes. This allows the entrepreneur to evolve the corrective measures in order to control the product’s quality. Quality control also helps the entrepreneurs to confirm whether the manufactured product is matching the standards set by the government. If the product is not matching the standards, then Quality control facilitates the entrepreneur to take necessary actions to comply with the standards. The International Organization for Standardization specifies quality standards that products must fulfill.

Tips for developing a quality control program

It is determined whether these raw materials meet the relevant product specifications. Quality control is important to safeguard the company’s reputation, prevent products from being unreliable, and increase trust on the side of consumers. It ensures that the company looks at evidence-based data and research rather than anecdotal observations to ensure that the services/products live up to the standards. It reduces cost and maximizes profit, operational efficiency, and customer satisfaction. Quality control uses specific research tools to accomplish fact-finding processes and conduct analyses.

Quality control explanation