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摘要：
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轮辋滚型工艺分二道滚型及三道滚型 ,二道滚型轮辋圆角减薄量接近 2 0 % ,三道滚型轮辋圆角减薄量在 8%～ 10 % ,轮辋圆角减薄量研究对于减轻车轮重量 ,实现车轮轻量化具有重要意义。
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The craft of roll forming rim devides the second roll forming and the third roll forming, the arc reducing thinkness of the second roll forming approachs to twenty percent, the arc reducing thinkness of the third roll forming is about eight to ten percent It is imporntent to reduce the weight of wheel and monderate wheel for study of the arc reducing thinkness
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基金项目：
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作者简介：
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参考文献：
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1 李硕本冲压工艺学北京:机械工业出版社,1982
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