98% of people want to know the reason for the poor coil material of metal stamping parts? [Hardware]

There are many reasons for product surface quality problems in the processing of metal stamping parts. The surface quality of coils, sheets, and molds will affect the quality of stamping parts, the operation of metal stamping parts, and the clamping and removal of station equipment, etc. It may also damage the surface quality of the part. Therefore, in each link of the entire manufacturing process, details should be fully considered to avoid quality problems that affect the appearance of the product. Let's understand the reasons for the occurrence of defective coils of metal stamping parts: 1. There is foreign matter on the surface or inside of the steel plate; 2. The foreign matter is peeled off, and the coil is in a scar-like state; 3. The corner of the coil is damaged; 20～30mm) Deformation or wrinkle due to uneven stress; 5. Scratches (caused by roller surface or foreign matter); 6. Roller sliding; 7. Irregular damage to the edge; 8. Foreign matter on the back of the roll after entering Press out the bulge (the foreign body will disappear when it falls); 9. The material is not good than the rule; 10. The foreign body causes obvious groove marks on the surface. Need to know more, welcome to consult: