采用矫正壁厚—整形法提高含油轴承的同轴度
A METHOD FOR IMPROVING COAXALITY OF SELF-LUBRICATING BEARINGS BY SIZING THEIR WALL THICKNESS
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摘要: 采用矫正壁厚再进行径向整形的方法,可使铁基含油轴承同轴度的精度平均由φ0.15mm提高至φ0.07mm。作者并根据实际经验提出了烧坯内外径的矫正—整形余量的计算方法。Abstract: The coaxality accuracy of P/M iron base self-lubricating bearings can be improved by sizing their wall thichness. Experimental data have proved that the average accuracy is improved from φ0.15 to 0.07 mm.The sizing tolerance of rotary extrusion was calculated.
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