January, 2021
Are you looking to learn the fundamentals of Coordinate Measuring Machines (CMM) including their capabilities, advantages when compared to other measurement practices, technical tips and next-generation functions? Our free metrology resource website offers key knowledge and information related to dimensional measurement instruments, environment requirements, selecting the right tool for the job, and various inspection processes.
A coordinate measuring machine (CMM) is a measuring device that measures the geometry of objects by establishing discrete points on a physical surface using a contact probe. The machine will specify the probe's position in terms of displacement from an origin point in a three-dimensional coordinate system (XYZ axes). A CMM can measure critical 3D dimensions with high-accuracy, record the measured data and obtain complex GD&T features. Non-contact models use other methods such as cameras and lasers.
CMMs have three dimensional measurement capabilities, unlike hand tools such as micrometers, vernier calipers or height/depth gages, which are limited to measurement in only one direction at a time. They can also measure items that are difficult to measure with other measuring machines to a high degree of accuracy, with a significant amount of automation.
Learn about the core techology that drives these tools, and the next-generation coordinate measuring machines that bring added-value to production and quality inspection.
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