Process Capability

Laser Cutting

In process improvement efforts, process capability ratios are a statistical measure of ability of a process to produce output within specific limits or requirements. This process capability compares the output of a frozen manufacturing process to customer specification limits utilizing capability indices. It is a measurable property of a process to the specification, expressed as a process capability index, or Cpk. The output of this measurement is usually illustrated by a histogram and calculations that can predict how many parts will be produced by the process within the specification tolerance insights. The two parts of process capability are 1) the measure of the variability of the output of a manufacturing process and 2) the comparison of that variability with the provided specification or product tolerance. As the Hi-Tek quality team populates customer requirements, process capability is the assurance of the repeatability of each manufacturing operation.

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