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Calculating Dimensions – 2

For classic coordinate measuring machines, all measurement points required for analyzing the required features must be precisely defined before, or no later than during, the measurement process. This is not necessary for tomography. Because the entire work piece is captured, […]

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Werth Knowing

Calculating Dimensions – 1

For various applications, the entire work piece geometry must be dimensionally analyzed. To document the quality of a mold for plastic injection molded parts, for example, a sample part must be measured completely (first article inspection). Particularly for medical component […]

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Set-up and X-ray Imaging – 4

The  number  of  rotary  steps  should  be  between 400 and 1600 per 360° revolution. By using a function for image averaging, several images can be overlaid for each rotary position. Thus, noise can be reduced at the cost of measurement […]

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Set-up and X-ray Imaging – 3

The radiation spectrum can also be optimized with the use of filters, made of aluminum, tin, or gold, at the output window of the X-ray tube.  The  use  of  such filters,  however, results in lower radiation intensities, which must be […]

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Set-up and X-ray Imaging – 2

By selecting the voltage and current of the X-ray tubes, the image brightness can be changed.  The voltage changes the frequency spectrum of the radiation at the same time, and must therefore be optimized for the material of the measurement object. […]

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