Introduction to Inspection Methods

Inspection normally refers to the evaluation of the quality of some characteristic in relation to a standard or a specification. As products and their manufacturing processes have grown complex and divided among many departments, the job of inspection has also become complex and distributed.

A flow diagram is useful for showing the various materials, components, and processes that collectively or sequentially make up the system. The main purpose of inspection is to determine whether components, systems or products conform to specifications. Inspection consists of the following series of actions: