| 摘要 |
A positioning device for the examination of a double seam cross section and wrinkle formation by X-rays comprising an X-ray source with a first stop associated with the latter for a can to be examined in the area of the exit opening for the X-rays and detectors for receiving the X-rays. The can to be examined can be clamped in relation to the X-ray source by at least three stops offset with respect to one another, wherein two of these stops can be actively changed with respect to their position to adapt to different can diameters and to the desired incident radiation angle.
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