Fixed Gages

Fixed gages are designed to access a specific attribute based on comparison to a master or precision object or standard. Fixed gages are typically used to measure a characteristic of a product to ensure that it is falling into acceptable quality control parameters. These products are tested at one or more points during the manufacturing process, or before they are shipped or distributed. Fixed gage suppliers are located across the United States and around the world. They adhere to a variety of quality standards and regulatory requirements.

Fixed gages include hard and fixed gages, micrometers, calipers, manufacturing gages, and other types of devices. Manufacturing gages are usually divided into hard gages and variable gages. Hard gages provide simple mechanical information, and are used to determine a go or no-go situation; whether the product is good or bad. Simple snap gages or ring gages that measure inside or outside diameters are example of hard gages. Variable fixed gages offer more qualitative data. Variable gages may be fixed or adjustable. Fixed gages that measure a specific dimension or attribute of a product are useful for long-term production runs or for the manufacture of many identical parts. Other fixed gages include depth gages and thickness gages, height gages and width gages, and plug gages.

Fixed gages are also used to inspect threaded parts and fasteners. Thread gages test the quality of the threads on bolts and screws, including the pitch diameter and the functional thread. For more precise inspections, or for threaded items that are being plated or coated, another more precise gage called a comparator is used. A nuclear fixed gage is a special device for measuring radioactive materials. To ensure proper handling, safety protocols must be followed. Nuclear fixed gages use a small nuclear source such as a Geiger Muller (GM) tube and may help distinguish between man-made and naturally-occurring isotopes.

• What Is a Go / NoGo Gage?
  GO-NO GO GAGES The concept of Go-No Go gaging is so simple in its logic that it has been known to delight philosophers. For them, a Go-No Go situation is the very rare case where there are only two...
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• Fixed Limit Gages...What Are They?
  The word gage, when used by itself, is about as general and unspecific in its meaning as the companion word tool. In discussing gages, we must first narrow the field down to a manageable size. First,...
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• Go Gages
  Go gages provide a precision tool for production comparative gaging based on a fixed limit.  Go gages consist of a fixed limit gage with a gaging limit based on the plus or minus tolerances of the...
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