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SF-2Y边界润滑无铅轴承金相分析及材料组织结构                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               1、聚申醛与纤维混合物0.3-0.5mm2、球形青铜粉0.2-0.3mm3、钢背0.4-2.2mm4、电镀层：镀锡层厚0.005mm或镀铜层厚0.008mm产品说明SF-2Y边界润滑无铅轴承，是在SF-2的基础上改进而成。其性能与SF-2相同，但表面不含铅，使用领域可以扩展至有环保要求的领域。目前该产品已应用于进口纺织设备、柱塞泵摆动部位、汽车操纵杆部位等中载、中速、油脂润滑的场合。技术参数zui大承载压力：70N/mm2适用温度范围：-40~+130摄氏度zui高滑动速度：2.5m/s摩擦系数：0.05~0.25允许zui高PV值：2.8N/mm2 .m/s允许zui高PV值：22N/mm2 .m/s应用特点：1.承载好，耐磨性能良好。2.适用于高载低速下的旋转运动、摇摆运动及经常在载荷下启闭频繁而不易形成流体动力润滑的场合。3.在边界润滑条件下可*不加油保养，而在过层中加油使轴承使用寿命更长。4.表面塑料层在加工成型时可留一定的余量，装配压入座孔后可自行加工，以达到更好的装配尺寸。5.产品主要运用于汽车底盘、冶金机械、矿山机械、水利机械、建筑机械、农用机械、轧钢设备等。6.因其不含铅，故可广泛运用于无铅领域。SF-2Y系列 　化学特性轴承型号空气中真空中水中蒸气中弱酸中中酸中强酸中碱性溶液中SF-2Y好好好好差否否好MMD-10　端面摩擦磨损试验型号试验时间试验条件摩擦系数zui终温度（摄氏度）zui终磨损量（mm）润滑速度压力SF-2Y3hr脂0.4m/s3.5N/mm20.088530.01中性包装，三包服务，诚信经营