What is the difference between a checking fixture, a gauge and a jig?
A Jig is a tool used in the production process. For example a drill jig which would have drill bushings to guide the drilling operation of the process. A fixture will usually have a prefix to better describe it for example: inspection fixture or cooling fixture. A lot of people use the terms interchangeably.
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There is absolutely no difference between these three terms. They all have the same meaning, and their use depend only of the customers’ preferences. They can be used to refer to simple “Go/No Go” control elements, or to complex fastening systems with all types of controls. Some customers also call them “control devices”.
