Process control procedures are specific instructions used by companies to ensure quality goods and services. Examples include observable quality controls, control limits, and tests. Companies use various procedures to manufacture goods and services and believe that more procedures lead to better quality. Observation, control limits, and test runs are common types of process control procedures used by companies.
Process control procedures are the specific instructions that a company follows to ensure quality goods and services. These procedures can be different between companies, which adapt process control procedures to their own design processes. Some examples of these control procedures include observable quality controls, the use of control limits for specific items, and tests performed for specific goods or services. A company can include all sorts of control procedures in the manufacturing process, along with a variety of others as needed. Companies often believe that more control procedures in place lead to better goods and services.
Observation is often one of the most common types of process control procedures. Here, a company employs an individual who works the production line and watches the goods being produced. The inspection process can take some time and may not be 100% accurate if it is based simply on one individual’s observations. In some cases, however, this control procedure works well as some goods can be easily observed when produced inferiorly. Other times, a quality control inspector may also use other tools to help determine if the goods being observed do not meet specific standards.
Control limits typically require the use of statistics to determine if certain goods fall short. The process control procedures here examine a certain variable to evaluate whether or not it changes between various items produced in a batch. In most cases, the standard deviation is the most important statistic when setting control limits. The company produces a single item as close to perfection as possible; this item becomes the standard that all others must meet. The standard deviation is simply the acceptable level of difference that other manufactured goods can fall within and still be considered good quality products.
Test runs are another physical type of process control procedure for manufactured goods and some types of services. A company often puts products through a series of tests to make sure they work properly under each set of circumstances. For example, a garbage disposal manufacturer may run each disposal product through a test set that involves mixing different types of food or other materials. If each item in a batch passes each test set, the items pass through the finishing department and retailers for sale to consumers. Those items that fail any trial set may go back to production or simply be scrapped and started over.
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