Gage R&R Studies measures the total gage variation as a percentage of process tolerance, helping determine if a measurement tool is suitable for inspecting parts.I remember the first time I rejected a perfectly good batch of parts. My digital caliper said they were out of spec, but my colleague measured… <a href="https://www.plastiform.info/en/blog/metrology/how-to-conduct-a-gage-r-and-r-study/" class="read-more">Read More</a>
Eddy currents are circular electric currents that naturally occur in conductive materials as a response to variations in magnetic flux, creating their own opposing magnetic fields.This technique relies on the electromagnetic induction principle. It is the same physics that wirelessly charges your electric toothbrush or iPhone, but repurposed to hunt… <a href="https://www.plastiform.info/en/blog/metrology/eddy-current-inspections-how-to-guide/" class="read-more">Read More</a>
Thickness measurement is determining the distance between two parallel surfaces of an object. This applies to both the main body of a material and any thin layers applied to its surface.This dimensional inspection affects structural integrity, corrosion protection, product quality, and regulatory compliance.The industry relies on standardized procedures for consistent… <a href="https://www.plastiform.info/en/blog/metrology/thickness-measurement-basic-to-advanced-methods-and-tools/" class="read-more">Read More</a>
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Plastiform products are frequently used by OCTG* (Oil Country Tubular Goods) manufacturers to carry out the control and inspection of API threads, tubings and casings.* OCTG is a specific family of steel pipe designed for oil drilling, extraction and transportation of oil and natural gas.IntroductionFunction of threadsThreads on oil well… <a href="https://www.plastiform.info/en/blog/metrology/api-thread-inspection-using-impression-material/" class="read-more">Read More</a>
During machining, no matter how precise the machine used is, surfaces will always have irregularities. These irregularities are micro-geometric roughness caused by the imperfection of cutting tools (yes, perfection doesn’t exist!).Measuring these imperfections is crucial. For over 80 years, surface finish measurement has been used to improve… <a href="https://www.plastiform.info/en/blog/metrology/the-roughometer-measuring-surface-condition/" class="read-more">Read More</a>
A profile projector, also known as an optical comparator, is a precision measuring instrument widely used in metrology and quality control.This advanced optical device projects an enlarged shadow of the part being measured onto a screen, allowing the operator to perform accurate measurements with ease.While the principle is similar to… <a href="https://www.plastiform.info/en/blog/metrology/profile-projector-use-them-with-plastiform-technology/" class="read-more">Read More</a>
Ra roughness, in mechanics, is an average value characterizing the surface condition of a part or material.In industry, roughness control is part of the dimensional validation process and ensures part conformity during machining.While there are other indicators that characterize surface roughness, this article will focus on the general surface… <a href="https://www.plastiform.info/en/blog/metrology/roughness-ra-arithmetic-average-of-roughness-profile/" class="read-more">Read More</a>
Metrology is a scientific discipline that includes all methods for obtaining measurements. Industrial Metrology is a branch of the discipline applied to the production sector.In the industry, metrology is most often used to check dimensional conformity, it is a way of ensuring quality control.Industrial metrology and scientific metrology differencesThis discipline… <a href="https://www.plastiform.info/en/blog/metrology/industrial-metrology-definition-and-use-case/" class="read-more">Read More</a>
