Since the housing is made of black plastic with light‑absorbing surface properties, and the client has extremely strict requirements for scanning accuracy and data completeness while needing adaptability to different inspection scenarios, traditional measurement methods cannot meet such demands. For this reason, the HOLON 3D Model 49 handheld full‑blue‑laser industrial‑grade 3D scanner is selected to provide efficient and reliable digital support for accurate quality inspection of the black plastic housing.

On‑site scan image

The surface of the black plastic housing exhibits strong light‑absorbing properties. Conventional measuring tools struggle to capture surface data effectively, which tends to result in missing or blurred scanning information. This makes it impossible to generate a complete three‑dimensional data model, further affecting the creation of 3D inspection chromatograms and error judgment. Traditional measurement methods mostly take measurements at partial points, so full‑surface data of the housing cannot be acquired. Hence it is difficult to fully reflect the overall error distribution, failing to satisfy customers’ high requirements for completeness. Contact‑based measurement is not only low‑efficiency, but may also cause scratches and deformation on the surface of the plastic housing due to force applied during operation. This leads to data deviations and undermines the authenticity of inspection results. Meanwhile, traditional measurement approaches are significantly restricted by testing scenarios. They cannot flexibly meet inspection requirements in different environments such as workshops and laboratories, which greatly limits inspection efficiency and accuracy.

Scanned data graph

Scanned data graph

Scanned data graph

Adopting the HOLON 3D Model 49 handheld all‑blue laser industrial‑grade 3D scanner enables targeted solutions to the core challenges in inspecting black plastic housings. Equipped with all‑blue laser technology, this scanner is resistant to the light‑absorbing property of black workpiece surfaces. It can effectively penetrate light‑absorption interference, precisely capture subtle dimensional variations and structural details on the housing surface, and acquire high‑precision full‑surface 3D data. This lays a solid foundation for generating accurate 3D inspection chromatograms and guarantees unbiased error quantification. Featuring a flexible and convenient handheld design, it can easily reach all areas of the housing to ensure data completeness, allowing the chromatogram to fully display error distribution. Its high‑speed scanning capability greatly shortens data‑acquisition time. Combined with non‑contact measurement, it not only prevents scratches and deformation on the surface of plastic housings but also quickly obtains reliable data to efficiently support qualification judgment. The scanner boasts strong adaptability and is free from site restrictions. It can stably output high‑quality data in various complex environments without complicated preliminary preparations. The 3D data generated after scanning is accurate and complete. When compared with the original model, it can clearly produce 3D inspection chromatograms, which are capable of accurately quantifying errors to judge whether the housings are qualified. Fully meeting customer requirements, it provides reliable digital support for quality control and production‑process optimization of black plastic housings.

3D Detection (Chromatogram)

3D Detection (Chromatogram)