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Abstract：
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The material thickness between the punch and die will be thinner and thinner along with the stamping process,which will lead to a stronger and stronger resistance to prevent the material from flowing into the die,so forming super-high solid boss on a sheet metal part is impossible by the traditional process.The research was developed by a stamping part with super-high solid boss.Based on the simulation result and a serial of experiments,a progressive die was developed.The qualified stamping part was achieved by the die.The research indicates that it is feasible to stamp sheet metal part with super-high solid boss by the bending and upsetting combined process.Further more,compared with the other processes,there are many advantages for the part manufactured by the new combined process.
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Funds：
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北京机电研究所2005年度所基金项目
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AuthorIntro：
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Reference：
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