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How to reduce the scrap rate of metal stamping parts
In everyone's daily life, the application of metal stamping parts is very extensive. When stamping processing plants want to control costs when processing stamping parts, they need to understand how to reduce the scrap rate of finished stamping parts. So in order to better save costs and maintain quality and quantity, how to reduce the scrap rate of metal stamping parts? Next, Precision will share some experience with you through the summary of years of experience. 1. There are scratches on the metal stamping parts. The main reasons for the scratches on the parts are: sharp scars on the mold or metal dust falling into the mold. The avoidance measures are grinding the scars on the mold and removing dust from metal materials. 2. The bottom end of the stamping part is cracked. The main reason for the cracking of the bottom end of the stamping part is: the plastic deformation of the material is weak or the die hemming ring is pressed too tightly. The avoidance measures are to change the material with better plastic deformation or release the pressure of the edging ring. 3. There are wrinkles on the outer wall of the stamping parts. The main causes of wrinkles on the outer wall of the stamping parts are: insufficient thickness of the material (thinner than the small allowable thickness) or axial force when the upper and upper molds are installed, resulting in large gaps on one side and small gaps on the other side. The countermeasures to avoid are to change the material in time and adjust the mold again. 4. Insufficient aspect ratio of stamping parts. The reasons for the insufficient aspect ratio of stamping parts and the countermeasures are as follows: 1. Insufficient material size. At this time, the material size should be increased. 2. The mold gap is too large. At this time, the mold should be refurbished. 3. The plastic deformation of the material is not very good. At this time, annealing treatment should be carried out or the material with better plastic deformation should be replaced. [Related recommendation] Learn more: What are the methods for polishing the surface of stainless steel? Learn more: Manufacturing characteristics of automobile stamping parts molds Learn more: Points to note in the design of continuous stamping dies (2)