Forging

Yes, but filter design is needed for high-temperature radiation, along with heat insulation and protective measures for the camera. High-temperature self-emission changes the imaging conditions, so the acceptance criteria must be set specifically for the hot state and cannot simply reuse a cold-state solution.

Cracks are elongated features with subtle acceptance criteria, easily confused with scale texture. A workable direction is to first use illumination design to bring out the boundary feature of the crack, then identify it with an anomaly detection approach. It is recommended to provide samples with known cracks for validation.

The implementation constraints commonly seen in this industry center on: "high-temperature radiation interferes with imaging, requiring heat-resistant and filtering solutions"; "the surface oxide scale of forgings varies greatly in form"; "the criteria for cracks and laps are subtle". These constraints affect both the imaging solution and the cycle-time design. Normally a sample trial is needed to validate before the configuration is finalized.

In the forging industry, the inspection point is usually placed after forming and before subsequent machining, to avoid spending labour hours on workpieces that are bound to be scrapped. When interlocked with the forging press, consecutive defects can trigger a stop for mold inspection.

Common forms include: "inline inspection device for forging lines (high-temperature environment configuration)", "dimensional inspection station for cold forgings" and "pick-up inspection cell working with a manipulator". The specific machine model and quantity depend on the inspection area, the minimum defect size and the line cycle time, and must be confirmed according to site conditions.

The most common are: "filling completeness judgement"; "mold mismatch check"; "crack and fold recognition". Which process steps to actually instrument depends on the cost of defects escaping downstream and the cost of rework — the later a defect is found, the higher the cost.

Please provide conforming forgings and parts with known defects (short shot, die mismatch, cracks), and state the temperature condition at the inspection process step. In general, as long as the acceptance criteria can be stated clearly, defects image clearly and consistently, and the cycle time matches the field of view, the project is feasible.

Accuracy is not a fixed value that holds regardless of conditions. To be added — the minimum detectable size depends on the combination of field of view and camera resolution, and is also affected by illumination, lens and algorithm; the configuration must be derived from your minimum defect size and validated by measurement.