Precision inspection of stamped parts is a crucial step in ensuring product quality and achieving stable mass production. A systematic and multi-layered inspection methodology has been developed within the industry to address multi-dimensional requirements such as dimensions, geometric tolerances, and surface quality.
Dimensional Accuracy Inspection
Dimensions are the most basic and critical accuracy indicator for stamped parts. Common inspection methods include:
Measuring Tool Measurement: Using general-purpose measuring tools such as calipers and micrometers for rapid sampling inspection of key dimensions. Suitable for first-piece inspection and patrol inspection on-site. Simple to operate but relatively inefficient.
Coordinate Measuring Machine (CMM):Acquiring three-dimensional coordinate data of multiple points on the workpiece using probes. Accurately verifying the conformity of complex geometries with design drawings. Especially suitable for high-precision automotive structural parts and precision electronic components.
Projector Inspection: Magnifying the outline of the stamped part and projecting it onto a screen for comparison with standard graphics. This allows for clear identification of minute deviations and is suitable for inspecting complex contours and small holes.
Projector Inspection: Enlarging the outline of the stamped part and projecting it onto a screen. Comparing it with standard graphics clearly identifies minute deviations. Suitable for inspecting complex contours and small holes.
Current Accuracy Inspection: One-click flash testing instruments, such as the UKC FM-9000, can complete the simultaneous measurement of hundreds of dimensions within 1 second, automatically determine OK/NG, and support data docking with the MES system, greatly improving testing efficiency and consistency.
