What effect will the blanking gap have on stamping parts?

Regarding metal stamping parts, in the processing process, it is always affected by many factors. Among these influencing factors, the blanking gap will have a certain impact on the quality of the stamping parts. Then, the specific impacts include In what respects? Although the gap is only a small problem, its impact cannot be ignored. We found that the impact of the gap is mainly manifested in four aspects. The first aspect is that it will have a certain impact on the quality of the section. The main content Including: 1. Normal, that is, all indicators of the stamping parts meet the specified standards without any abnormal problems; 2. Too large, the upper and lower cracks cannot be overlapped, the section is thick, the collapse angle and the thorn taper are large; 3. Too small, up and down Cracks cannot overlap, secondary shearing occurs and a second bright band is formed; 4. Uneven, different situations will occur on both sides. The second aspect is that the gap will have a certain impact on the accuracy of the size. For this, we can understand this: because the stamping part will produce a certain elastic deformation, and the elasticity will recover after the punching is completed, so a certain error occurs, but the size of the elastic deformation will be directly affected by the punching gap. If the gap increases, the metal pulls inwardly, and the elastic recovery will increase the size of the workpiece, and the workpiece will become smaller; if the gap becomes smaller, the metal will be severely compressed and the size of the workpiece will become larger. The third aspect is that the gap will have a certain impact on the punching force. For this problem, we can think that if the gap is smaller, the compressive stress component in the deformation zone of the stamping part is larger; the smaller the tensile stress component is, the deformation resistance of the material will increase, and the punching force will also increase. If the gap is larger, the punching force will decrease. The fourth aspect is that the gap will have a certain impact on the life of the mold. For this, it is due to the influence of friction, the gap is small, the friction will increase, and the use time of the mold will be affected. Therefore, it is best to control the gap within an appropriate range, so as to protect the life of the stamping die. Related news: the characteristics of the main materials of stamping parts, the treatment of common problems of stamping parts, the characteristics of scaffolding stamping parts and the importance of inspection, the advantages of metal stamping parts introduce the advantages, procedures and characteristics of stamping parts