The science of precision measurement, known as metrology, is increasingly important to manufacturers. As technology has advanced over the years it has dictated increases in both product complexity and quality expectation of the customer. Consequently, dimensional tolerances are ever tightening.  Therefore an intimate knowledge of a part’s geometry enables components of a uniform product, repeatable in size and dimension, to fit together correctly. This helps ensure what is manufactured today, is the same as tomorrow or next year.

precision measuring

How does precision measurement improve quality of products?

Most major engineering projects and production facilities use precision measuring tools as a means to determine the quality and consistency of its output and processes. More specifically, precision measurement equipment is being used to verify the structural integrity and fit of parts, as well as determine the overall fit of the finished product. For example, a car is made up from many panels and parts. The known size of each part enables the sections to fit together without compromising the quality, cost or time to complete the build.

In aerospace, an aircraft’s fuel efficiency can be affected by the drag caused by uneven fit of panels. Additionally, the surface finish or edge condition of a component such as a fan blade from a jet engine could compromise the part in service. When sharp corners cause areas of increased stress, it dictates the rate of material wear and ultimately the failure of components in the engine. This is when precision measurement can contribute to safer operation.


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Advancing manufacturing with GapGun precision measurement tools

Third Dimension’s leading GapGun range of precision measuring tools has the advanced capability to take profile measurements of many features, across a wide range of industrial sectors. Today, precision measurement is an integral part of the manufacturing process for the majority of automotive, aerospace and energy companies operating worldwide.  Third Dimension leads the way in supplying its non contact and ergonomic inline measurement systems on the shop floor, for quick and reliable precision measurements on the production line.

Third Dimension’s intelligent GapGun measurement tool measures not just gaps but has the ability to measure a broad range of complex features. The GapGun system uses a laser line and imaging system to illuminate and then digitally profile the feature. The measurement is presented as a cross section of the feature. There is also the option to configure the GapGun’s Virtual Tools in order to measure alternative points on the feature, meaning the application of GapGun to obtain precision measurements is almost endless.  

Using GapGun measurement equipment, feature measurements can range in size from 0.1mm to 50mm, using the GapGun’s unique range of interchangeable sensor heads. Key measurements include: