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一、工件及其冲压工序散热片采用厚度为0.5毫米、宽度110毫米冷轧切边退火钢带冲制,其形状和尺寸如图1所示。
First, the workpiece and the stamping process The heat sink thickness of 0.5 mm, width 110 mm cold-rolled trimming annealed strip, the shape and size shown in Figure 1.