For stamping parts manufacturers, inspection of defective materials is the basis for providing qualified products to customers

Stamping parts manufacturers will choose metal raw materials according to the different materials used in the customer's products. Then selecting raw materials and testing raw materials is a prerequisite for providing customers with qualified products, so it is an important link. Class A defects: the strength of the material does not meet the requirements, the traces left by the rolled steel sheet, overlap, orange peel, streaks, loose galvanized surface, and peeling of the galvanized layer. The stamped parts must be frozen immediately after such stamping is discovered. Type B defects: obvious traces, overlaps, orange peel, streaks, loose galvanized surface, and peeling of the galvanized layer left by the rolled steel sheet. Such defects are acceptable in Zone IV. Class C defects: Material defects such as double marks, overlap, orange peel, streaks, loose galvanized surface, and peeling of galvanized layer left by rolled steel plates. Such defects are acceptable in Zone III and IV. Hardware, 15 years of craftsmanship focused on stamping parts manufacturer. 20000+ sets of customized mold processing and production experience, 3 million punching capacity per day, 16 quality inspection layers to strictly control the quality. Quickly solve the time-critical problems of stamping parts, precision problems, and mass production quality problems for you. Choose stamping parts manufacturer, choose, choose rest assured!