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多级冲压连接是一个两级或多级的加工过程,被连接部件(管、板、型材)在先后工作的工装部件的作用下或剪切或下沉冲压及随后的锻压,这样通过金属材料延展、流动挤压形成一个力和形状封闭的连接。
The multistage stamping connection is a two-stage or multi-stage machining process that is carried out by connecting workpieces (tubes, plates, profiles) under working tooling or after shearing or sinking stamping and subsequent forging, Stretch, flow squeeze to form a force and shape of the closed connection.