US12736328 - Inspection system for shell casings
An inspection system includes a conveyance system, at least one laser, at least one camera, and a controller. The conveyance system is configured to transport casings. Each casing has an exterior surface and a recessed region extending inward from the exterior surface. Each recessed region has a depth and a diameter. The at least one laser is configured to project first and second laser lines onto the recessed region of each casing along the corresponding diameter of each casing. The at least one camera is configured to capture a set of images of the first and second laser lines on the recessed region of each casing. The controller is programmed to estimate a magnitude of each diameter of each recessed region based on a corresponding set of images of the first and second laser lines on a corresponding recessed region of each casing.