![]() Your process has a certain capability, even though it might produce off-spec products every once in a while. And capability is not this black or white either. However, in reality, your process might not be this perfect. If these conditions are met, you produce products that are (almost) perfect and have no waste as there is no single product have a spread that is narrower than the specification limit.be centered close to the nominal target value as designed and agreed upon by your customer.The basic idea behind a capable process is very simple. Process capability measures how consistently a manufacturing process can produce parts within specifications. Often these specs are defined by an upper specification limit (USL) and a lower specification limit (USL). These are what we refer to as the specification limits. Your customer requires your products to fall within certain predefined limits. Depending on the nature of your product these are either dimensional or chemical properties of your product. Some of these characteristics are tangible and measurable. The products your customers purchase from you are defined by a multitude of characteristics. ![]() Where capability is more like a forecast, the performance evaluation looks in the rearview mirror of the process, evaluating real historical data. Process performance is very similar to capability.
0 Comments
Leave a Reply. |