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Rules for the acceptance criteria of metal stamping parts by stamping parts factory
The acceptance standard of metal stamping parts is to make the products have a basis and accurate judgment in the stamping production inspection process, improve the quality and efficiency of the inspection, and ensure that the company's products meet the needs of customers. 1. Material and size 1. The material and thickness of the metal stamping parts must meet the customer's requirements. 2. The external dimensions of the metal stamping parts should conform to the size of the drawing. 3. The position, diameter and depth of punching and deep drawing of metal stamping parts should be consistent with the drawings. 4. The folding angle of the metal stamping parts should be consistent with the drawing. 5. The gap between the metal stamping parts and the surface after pressing the edge is less than or equal to 0.2mm. 2. Defect types 1. Scratches: improper protection during processing, packaging, and transportation leads to strip-shaped shallow grooves on the surface of the product 2. Deformation: product plane deformation caused by improper adjustment of processing equipment or material due to internal stress 3 .Piping: cutting or stamping leads to residual uneven edges 4. Concave and convex marks: the surface of the metal stamping parts is abnormally raised or recessed. 5. Scraps: not processed properly after stamping or cutting, resulting in metal fragments sticking to the edges or inside of the processed parts 6. Irregular punching: improper positioning or equipment fixation during processing, resulting in uneven cutting at the edge of the product 7. Oxidation: the material reacts chemically with oxygen in the air 8. Stains: caused by unknown oil stains or dirt adhesion during processing The above are the inspection standards for metal stamping parts. As our stamping parts processing plant, we must strictly inspect the processed metal stamping parts and never let unqualified metal stamping parts flow into the market. We can only achieve a win-win situation if we deliver qualified products that our customers are satisfied with. Recommended article: What are the basic requirements for the design of stamping parts processing? Previous post: Do a good job of fine blanking die design, you need to remember 'ten attention'