求翻译：冲压指的是靠模具和压力机对带材、板材、管材和型材等材料施加外力的，使它产生塑性变形或者分离，然后获得所需尺寸和形状的冲压件的成形加工方法。冲压的坯料用的主要是冷轧和热轧的钢带和钢板。我们都知道冲压是高效率的生产方法，它采用复合模，尤其是多工位级进模，可以在同一台压力机上完成多道工序，实现从开卷到矫平到冲裁到成形，有着精整的全自动的生产。其优点主要有：生产效率高，劳动条件好，生产成本低等，一般每分钟可生产数百件是什么意思？

Stamping refers to the external force is applied against molds and presses for strip , sheet, pipe and profiles and other materials , making it the plastic deformation or separation , then get stampings forming method of the desired size and shape.

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The ramming refers is depends on the mold and the press to material rates of head movement and so on the strip, plate, tubing and molding, causes it to have the plastic deformation or the separation, then obtains needs the size and the shape pressing part forming processing method.The ramming semifi

Pressing refers to the die and press the Strip, sheets, tubes and profiles, material force, making it the plastic deformation or separation, and then obtain the required size and shape of the stamping forming process. Stamping blanks using mainly cold rolled and hot rolled steel and plate. We all kn

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