Nikon Metrology has developed a new “absolute accuracy” Metrology CT system. The company says the MCT225 provides Metrology CT for a wide range of sample sizes and material densities with 9+ L/50μm accuracy in accordance with the VDI/VDE 2630 guideline. All internal and external geometry is measured in a single non-destructive process. A full 3D visualization of the sample volume additionally provides insights into part deformations and internal structural integrity. With X-ray CT a number of 2D X-ray images are taken at different angles around the sample. CT software constructs a 3D model of the sample using these 2D images. Dimensional characteristics such as size, position and form can be measured directly using the model as well as full part-to-CAD comparison, section reporting and GD&T analysis. To minimize thermal effects the interior of the MCT225 enclosure is temperature controlled, effectively creating a conditioned measurement room stable to 20°C ± 1°C.  www.nikonmetrology.com

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