Common Uses of Plug Gages

Pin and Plug gages are often used to ensure locations and dimensions of slots and holes that can withstand specific tolerances. The variety of plug gages depends upon its application, for instance CNC machining is the most common application for the use of these devices.

What are Plug Gages?

These devices are used to measure the size of a drilled hole. They are widely used to check the hole for a GO or NOGO measurement. A GO NOGO is basically a measuring tool that does not return the size in the traditional manner but returns a state in itself. As described above they are designed to ensure the drilled holes are meeting the basic requirements of an application's tolerances. There are number of plug gages namely, Cylindrical Taper, Reversible, Taper lock and Tri lock. All these types of gages are used for different purposes and different kinds of drilled holes created in multifarious applications.

The gages are well suited in industrial as well as production areas of factories. They do not require a skill to effectively use it and moreover, have very less parts that would risk damage in adverse production environments. They are ideal and a crucial tool for industrial applications and other repair works.

What are they used for?

Besides, the common known application like the CNC machining, depending on its types, gages have other uses as well. The master gage blocks and discs and rings are used to calibrate a pin gage or plug. Any traditional working component is inspected and regularly checked using a master gage. Next in list are the large in diameter size - annular gages. They are used to set or check the micrometer gage settings. In some cases, the gages are pneumatic systems. These systems are mainly used to gauge the flow change in air nozzles, pressure or inlets in air plugs, snap or rings.

Another type under this subject is the electronic gages that are normally used in linear variable differential transformers. Electronic probes are designed to measure the displacement distance of a contact or stylus. Other types in the category of gages are the mechanical gages. They observe the physical displacement and movement of a component like the spindle, stem or slid and check for its dimensions.

There are many leading manufacturers of wear parts that use tungsten carbide material to produce valve trim and plug and ball plug gages. The tungsten carbide material with steel is used to custom make different wear components like Control Valves and Valve Trim, Plugs, Stems, Valve Balls, Valve Plates, Dryers, Spray Nozzle’s, and Atomizers.

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