source:News 2026-11-10

X Ray CT Inspection System: When Internal Features Overlap

An x ray ct inspection system becomes relevant when a projection image shows a suspicious feature but cannot establish where it sits inside the part. A metal insert, a cavity, and a surrounding wall may appear in the same region of a radiograph. CT can add depth information by reconstructing a volume from projections collected at multiple angles.

Use slices to investigate the unresolved relationship

Within a reconstructed volume, the reviewer can examine virtual sections through different locations and orientations. This can help investigate whether an indication is inside a wall, near an insert, or separate from another feature. The useful result is the spatial evidence needed for the quality question, rather than a visually impressive three-dimensional rendering alone.

CT also introduces interpretation limits. Dense or mixed-material paths can produce artifacts that obscure boundaries or resemble structural indications. Motion during acquisition can degrade reconstruction. A smaller reconstruction voxel does not automatically mean that a feature of the same size is detectable: effective resolution, contrast, noise, and the surrounding material also matter.

Validate the result required from the scan

Define the target region and the decision before evaluating a system. An internal overview, defect investigation, and dimensional measurement require different evidence. Where measurements are needed, the method and its uncertainty must be suitable for the tolerance; a volume image alone does not establish metrology capability.

When discussing an application with Shenzhen Wahfei Technology Co.,Ltd., provide the material combination, part dimensions, target feature, and required output. Confirm CT availability and configuration for the proposed equipment separately. Representative sample results should establish whether CT resolves the actual uncertainty better than additional projection views.