![]() To this day, some companies use more than five different brands of software for 3D measurement. ![]() And so began a culture where multiple software products were required in 3D measurement labs. As a result, these early 3D measurement products were closed systems and every brand of 3D metrology hardware provided its own software. In those days, software engineering was in its infancy, with no standard computer or operating system. It started in the 1960s when coordinate measuring machines (CMMs) arrived in the automotive industry along with the first 3D measurement software. The part can be correctly positioned within a coordinate system, nominal values can be entered to report deviations, guidance is still available to help operators acquire data, and inspecting a set of parts remains a simple process.The invention and improvement of 3D measurement technologies over the past six decades have made it possible to manufacture increasingly sophisticated and high-quality products. While using CAD models is a very efficient way of getting the nominal geometry required for performing an alignment, obtaining measurement deviations, and driving measurement guidance, when they are not available you can perform part inspection just as well. Inspecting a part in PolyWorks|Inspectorâ„¢ with the support of a CAD model is not always an option.
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