1、钢表面上涂有铅用石墨、二硫化钼或粘结剂粘结的固体润滑材料0.060.2边界润滑低效润滑水、汽油、非潮湿性液体润滑的金属一般润滑0.150.3精制矿物油、湿润性液体润滑和有污染的金属表面高效润滑:金属金属、金属非金属非金属非金属 0.050.10.10.1带有油性添加剂的矿物油、脂、良好的合成油润滑的:钢钢、钢尼龙尼龙尼龙动压润滑全液体润滑油膜(速度v3m/min)静压润滑全液体润滑油膜0.0012.常用材料的摩擦系数摩擦副材料无润滑有润滑钢0.15(静)0.10.10.12(静)铝未淬火T8钢0.180.03软钢0.20.10.2淬火T8钢0.170.020.15黄铜0.27铸铁0.20.3(
2、静)0.160.180.050.15青铜0.220.190.30.150.180.10.15(静)0.07夹布胶木0.26硅铝合金0.34轴承合金0.04钢纸0.32树脂0.28硬橡胶0.25冰0.027(静)0.014石板粉末冶金0.350.55(静)绝缘物聚四氟乙烯0.1(静)0.05工程塑料0.04(静)聚全氟乙丙烯0.25(静)聚三氟氯乙烯0.43(静)聚偏二氟乙烯0.33(静)低密度聚乙烯0.330.45(静)高密度聚乙烯0.12(静)0.110.27(静)聚氯乙烯0.5(静)0.40.18(静)0.08-0.12聚偏二氯乙烯0.9(静)0.52聚苯二甲酸乙二醇酯0.200.68(静
3、)0.45聚酰胺(尼龙66)0.42(静)0.350.29(静)尼龙0.150.25(静)0.37(静)0.2(静)橡胶0.070.15石金属0.30.4(静)45#淬火钢聚甲醛0.460.016土0.5(干)0.3(湿)聚碳酸脂雪橇雪0.08(静)0.06尼龙9(加3%MoS2)0.57石墨0.21尼龙9(加30%玻璃纤维)0.480.0230.30.5(静)0.11(-40)0.025(0)尼龙1010(加30%玻璃纤维)0.039铁0.027尼龙1010(加40%玻璃纤维)红宝石0.16氯化聚醚0.034淬硬钢ABS0.350.460.018石棉基材料钢或铸铁0.250.40.080.1
4、2玻璃0.70.150.16(静)0.070.12皮革0.120.150.40.6(静)0.28(静)0.150.210.16(静)木料0.40.5(静)0.030.050.550.12硬木0.20.350.120.160.80.5软木0.150.25铜0.120.17未淬火的T8钢毛粘淬火的T8钢木材0.40.6(静)0.2(湿)0.20.50.4(静)0.6(干)0.2(湿)麻绳0.50.8(静)0.14毛织品0.44砖0.60.70.23水晶0.90.240.363.自润滑材料的摩擦系数材料密度(kg/m3)硬度(HB)抗压强度(MPa)配方质量百分比粘滑试验环块试验LY12渗碳钢Ag1
5、009600253860.66静0.63粘着0.580.65烧结温度:600。粘滑试验中,圆头为LY12(铝),载荷4.8N,速度8mm/min.环块试总载荷98N,速度7.8m/min,15min停止试验。Ag+WSe290+1095001850.18静0.250.3780+209400221100.16静0.120.140.250.2670+30930020720.140.170.190.2560+40910019450.15静0.150.170.330.38Ag+MoS295+588003040.19静0.130.230.348500242290.13静0.100.130.170.237
6、8001050.14静0.130.140.250.317200670.220.256700460.12静0.140.160.180.22Ag+Cu+Zn+MoS262+29+9+0580.57静0.480.4959+27.5+8.5+5502870.38静0.150.200.210.3455.8+26.1+8.1+1077002160.32静0.300.110.160.210.2952.7+24.61.7+157400421940.27静0.210.20Cu7000442660.46静0.720.77Cu+WSe2382470.31静0.290.140.317500351960.28静0.11
7、0.130.100.3175+257600271280.25静0.150.2865+351070.24静0.260.29710.21静0.120.130.190.26Cu+MoS269001570.37静0.110.140.190.216500391030.30静0.130.28630026770.130.150.150.22Cu+石墨6000211190.220.23500014650.17静0.170.180.230.2643001243Fe+石墨4700401870.140.15烧结温度900。试验条件同上170.180.20390016520.200.214.密封材料的摩擦系数密封材料
8、润滑剂摩擦系数(与45钢套)粘度50(mm2/s)添加剂18100润滑充分润滑不足鞣制皮革30抗氧剂0.090.0860铬鞣皮革氯丁橡胶0.0113010%菜子油特殊橡胶5.真空中材料的摩擦系数载荷(N)空气中真空中Ni1.5Al0.781.57Fe0.510.750.59W1.36320.310.41640.390.6Ta铍青铜0.581.10.43不锈钢0.822.946.低温下材料的摩擦系数液氮中液氢中石墨+金属氟化物0.718石墨+酚Ti0.692石墨(15%)+F4(85%)1.006石墨(5)+尼龙(95%)0.84138CrMoAlA(氮化)0.8530.8790.734Mo0.
9、8311.068聚苯乙烯45#钢0.330.351.0230.200.22Co0.5370.310.341.037F40.090.10Nb1.016桦木0.320.380.300.480.8970.680.727.滚动摩擦系数滚轮材料滚道材料滚动摩擦系数(cm)滚动摩擦系数(无量纲)0.02-0.04钢球(d=1.6mm)硬钢0.00002木0.15-0.250.00004-0.0001碎石路0.12-0.50.000045软土路7.5-12.50.00012淬火钢0.001锡0.00120.03-0.04铅0.0014充气轮胎优质路0.05-0.0550.000014泥土路0.1-0.15实心橡胶轮胎0.22-0.28铁梨木柞木榆木滚动轴承的摩擦系数轴承类别单列向心球轴承径向载荷0.002短圆柱滚子轴承轴向载荷0.004长圆柱滚子或螺旋滚子轴承0.006单列角接触球轴承0.003滚针轴承0.0080.005推力轴承圆锥滚子轴承双列向心球面球轴承0.0015双列向心球面滚子轴承轧辊用圆锥滚动轴承0.002-0.005
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