检查、核对模具和冲压机床。在安装模具前，要确认冲压机床为冲压工艺指定的型号，并检查模具的尺寸、工作要求是否与指定冲压机床的技术参数（装模高度、滑块行程等）相匹配，冲压机床的状态足否良好。
Check andcheck die and stamping machine. Before installing the mould， it isnecessary to confirm that the stamping machine is the designatedtype of the stamping process， and check the size of the die and thework requirements to match the technical parameters of thedesignated stamping machine (the height of the die， the sliderstroke， etc.)， and the state of the stamping machine is good ornot.
凸模刃口端部修出斜面或弧形。这是减缓冲裁力的有效方法。减缓冲裁力，圣霖国际鱼尾板厂，即可减轻对凹模侧材料的拉伸力，圣霖国际鱼尾板价格，从而达到抑制冲压件产生翻料、扭曲的效果。
The endof the punch is repaired with a bevel or arc. This aneffective way to slow down the blanking force. By reducing theforce of buffer， the tensile force of the side material of the diecan be reduced， so that the stamping and twisting effect can besuppressed.
简单来说钣金件是金属薄板壳体，冲压件就是用拉伸机或冲床等加工的工件1，圣霖国际鱼尾板，钣金件在折弯过程中厚度不会有变化，但在汽
车钣金壳体中应为敲击等原因，一部分表面会有一定变化。冲压厂是不能确定落料尺寸的，应该是在定做模具时由模具厂试定出来的。
In a simple way，圣霖国际鱼尾板报价， thesheet metal part is a metal sheet shell， and the stamping part is 1of the workpiece， which is processed by a drawing machine or apunch press. The thickness of the sheet metal parts will not changeduring the bending process， but in the steam.
The surface of the automobileshell should be knocked and so on. Part of the surface will change.The stamping plant is unable to determine the blanking size. Itshould be determined by the mold factory when making themould.
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