Sizing up non-contact measurements

Article Abstract:

Most manufacturers prefer to use non-contact gaging systems because of the many inherent advantages these have over contact measurement methodologies and because of the significant improvement they bring to product quality. Non-contact gaging systems use different forms of radiant energy to inspect objects and are based either on the air gaging, capacitance, diffraction or focus follow approach. Compared to contact methodologies, they are faster, less prone to wear, offer higher resolutions and produce more accurate results.

Measuring & controlling devices, not elsewhere classified, Other Measuring and Controlling Device Manufacturing, Gauges NEC, Measure & Control Eqp NEC

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Choose the right bore gage for the job

Article Abstract:

Various types of bore gages are available for the measurement of round holes in manufactured products. Plug gages are simple and effective limited nominal dimension measuring devices while rocking gages are more effective at measuring various nominal dimensions. The limitations of each type of bore gauge depends on the requirements for measurement reliability, ease and speed of use, range of measurements, repeatability of measurement, resolution, and the adaptability to each measuring condition.

Machinists' Precision Measuring Tools

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Ten questions to ask when buying gages

Article Abstract:

The material composition cylindrical ring gages should be evaluated to determine their quality and durability. The purchaser should inquire about the heat and stress performance of the ring gage from the manufacturer to determine the need for stabilization after subjecting the ring to high temperatures. The manufacturer should inform the purchaser on data results pertaining to the temperature-controlled laboratory testing of the cylindrical gage.

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