Abstract:
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The author ingeniously makes it possible that the four work procedures of extruding hole,trimming,blanking and forward extrusion of hollow workpiece are completed on the same set of die whose construction is not complex. Moreover, the procedures have been successfully carried out on a 400kN punching machine, making the productivity of progressive extruding the aluminum sealed sheet reach each minute 60 pieces. Therefore,the productivity has improved significantly. In addition, the article introduces a new no\|scrap bridge technique in blanking operation,which reduces the loss of material and increases the utilization rate of aluminium sealed sheet greatly.
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AuthorIntro:
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Reference:
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1 洪深泽挤压工艺及模具设计北京:机械工业出版社,1996
2 杨长顺冷挤压工艺与实践北京:国防工业出版社,1984
3 王孝培.冲压手册北京:机械工业出版社,1995
4 辛选荣.端面爪盘冷锻工艺及其坯料设计.锻压技术,2001,26(3)
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