合理的模具设计。在级进模中，下料顺序的安排有可能影响到冲压件成形的精度。针对冲压件细小部位的下料，一般先安排较大面积之冲切下料，再安排较小面积的冲切下料，以减轻冲裁力对冲压件成形的影响。
Reasonable mold design. In progressive die， the order of blanking sequence may affect the accuracy of stamping forming. In order to reduce the impact of punching parts， the punching and cutting blanking of **all area is arranged in the light of the blanking of the **all parts of the stamping parts.
日常模具生产中，fastener生产商，应注意维护冲切凸、凹模刃口的锋利度。当冲切刃口磨损时，材料所受拉应力将增大，从而冲压件产生翻料、扭曲的趋向加大。
In daily mold production， attention should be paid to sharpness of punching and conc**e die edges. When the cutting edge is worn， the tensile stress of the material will increase，fastener， and the stamping and bending will increase.
压住材料。克服传统的模具设计结构，在卸料板上开出容料间隙(即模具闭合时，卸料板与凹模贴合，fastener型号，而容纳材料处卸料板与凹模的间隙为材料厚t-0.03～0.05mm)。如此，冲压中卸料板运动平稳，而材料又可被压紧。关键成形部位，卸料板一定做成镶块式结构，以方便解决长时间冲压所导致卸料板压料部位产生的磨(压)损，而无法压紧材料。
Press the material. In order to overcome the traditional mold design structure， the clearance of material is opened on the discharge plate (i.e.， when the die is closed， the discharge plate and the die are fitted， and the gap between the discharge plate and the die is t-0.03 to 0.05mm). In this way， the discharging plate moves **oothly， and the material can be pressed tightly. In the key forming part， the discharge plate must be made into an inlaid structure to facilitate the solution of the grinding (pressure) loss caused by the pressing part of the unloading plate for a long time， and the material can not be pressed.
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