Plastics Engineering

In plastics engineering, high-resolution X-ray technology is used to optimize the casting and spraying process by detecting contraction cavities, blisters, weld lines and cracks, and to analyze flaws. Industrial X-ray computed tomography (micro ct and nano ct) provides three-dimensional images of object characteristics such as grain-flow patterns and filler distribution as well as of low-contrast defects.
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This Microfocus X-ray image of a spray-casting shows two blisters inside a mounting pin.
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Microfocus-computed tomographic image of a spray-cast gear wheel after automated void analysis. Along the teeth, where the material is most concentrated, contraction cavities have formed. The color indicates the size of the contraction cavities.
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nanoCT® of a sample of glass fiber-reinforced plastic: Alignment and distribution of the glass fibers and agglomerations of mineral filler (purple) are clearly visible. The fibers are app.10 µm wide.
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nanotom | ndt|analyser
| v|tome|x s |
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| Max. resolution (depending on object size) |
<0,5µ (3D) |
<1µ (2D) |
4µ (3D) |
| Max. object size (height x diameter) |
6" x 5" |
appr. 16" x 12" |
app. 12" x 10" |
| 2D X-ray imaging |
no |
yes |
yes |
| 3D computed tomography |
yes |
yes (optional) |
yes |
| Advanced surface extraction |
yes (optional) |
yes (optional) |
yes (optional) |
| CAD comparison + dimensional measurement |
yes (optional) |
yes (optional) |
yes (optional) |
| Max. tube voltage |
180kV |
240kV |
240kV |