Defect Rating of Metal Stampings.

With the development of society, metal stamping parts are applied to various industries. When the stamping factory is processing metal stamping parts, it will evaluate the quality of the stamping parts. When there is a stamping defect, the stamping will have some defect ratings. Next, the editor of Dongguan Fortuna  will give you an analysis.

Cracking of metal stamping parts: inspection method, visual inspection

Class A defects: cracking of metal stamping parts that can be found without training. The metal stamping parts of this type of defect are very serious. After discovery, the metal stamping parts must be frozen and cleaned immediately;

Class B defects: There are obvious tiny cracks that can be seen. Such defective metal stamping parts are not acceptable in areas I and II. Other areas are allowed to be repaired by welding, but the repair location is not easy for consumers to find. and need to consider the rework specification of metal stamping parts;

Class C defect: It is vague and can be found after careful observation. The metal stamping parts of this type of defect are repaired and repaired in Zone II, Zone III, and IV, but the repair position is not the consumer. It is easy to find and needs to consider the rework specification of metal stamping parts;

Strain, thick grain and dark damage of metal stamping parts: inspection method, visual inspection

Class A defects: strains, thick grains, and dark injuries that can be found without training. After the metal stamping parts with such defects are found, the metal stamping parts should be frozen and cleaned immediately;

Class B defects: obvious small strains, thick grains and dark damages can be seen. The stamping die of this type of defects can be accepted in the IV area;

Class C defects: mild strain, thick grain, dark damage, metal stamping parts with such defects can be accepted in zones III and IV.