【摘要】 分析了缝纫机梭床磨损失效原因。论述了Ni P化学镀表面技术应用于缝纫机梭床上的可行性。借助扫描电镜、能谱仪、磨损试验机、显微硬度计等设备对化学镀层的表面状态、组织结构及性能进行综合分析。结果表明 ,Ni P化学镀层的硬度、耐磨性远远高于碳氮共渗层。其中Ni P SiC化学复合镀层的性能最好。同时对化学镀层的高硬度、高耐磨性进行了分析说明。更多还原

【Abstract】 The causes of wear failure of the shuttle-race were analyzed.The possibility that Ni-P electroless plating could be applied to the shuttle-race of sewing machine was discussed.The surface condition,microscopic structure and properties of the electroless platings were analyzed with scanning electron microscope,energy dispersive spectrometer,wear test meter and microhardness tester.The results show that the hardness and wear resistance of electroless platings is much higher than that of carbonitrided one,and the Ni-P-SiC composite platings has the best wear resistance.At the same time,the mechanism of electroless plating with higher hardness and wear resistance has been illuminated.更多还原