铁基粉末冶金零件的精整
SIZING OF IRON BASE P/M PARTS
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摘要: 阐述了烧结体密度分布与精整尺寸精度的关系,材料抗拉强度与精整尺寸精度的关系;入口形状为圆弧的整形模其入口曲率半径R的选择和入口形状为锥度的整形模其入口角度的选择,以及精整中消除喇叭口的措施。Abstract: The Present article has described the dependence of sizing dimension accuracy on the density distribution of sintered compacts and the tensile strength of materials. The determination of entrance angle of both R coining dies and conical coining dies and the approach to eliminating bell shapes during sizing have been outlined.
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