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Substrate Mastered Scale on a CMM

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Substrate Mastered Scale on a CMM

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The thermal behaviour of encoder scale is an important consideration when selecting any encoder system. Renishaw's encoder scales are effectively either thermally independent of the substrate (floating) or thermally dependant on the substrate (mastered). CMMs are used to capture three-dimensional measurement data on high precision, machined components, such as engine blocks and jet engine blades, as part of a quality control process. There are four basic types of co-ordinate measuring machine: bridge, cantilever, gantry and horizontal arm. Bridge-type CMMs are the most commonplace.

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