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《Metal Products》 2013-02
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Damping test of disc spring different combination

GUO Bin1,XU Yi-ming1,GAO Jie1,GAO Jian-he2,ZHAN Jun-yong2, WU Rui2,WU Huan2,SONG Zi-ling2(1.Yangzhou Hewei Disc Spring Manufacturing Co.,Ltd.,Yangzhou 225008,China; 2.College of Mechanical Engineering Yangzhou University,Yangzhou 225009,China)  
When disc spring is in working process,the friction between various parts can change its characteristic curve.Single chip and composite static test and single unit dynamic test of type 250/127×16×21 disc spring of different combination condition is done,the area enclosed inside disc spring force and distance curve in different working conditions is calculated.In various working conditions of single chip and composite static test,friction of three chips composite is maximum,molybdenum disulfide lubrication effect of three composite and four composite is best.When four fold six pair disc spring is in dynamic test condition,work loss ratio with molybdenum disulfide lubrication is 0.100 000,work loss ratio with the same combination dry lubrication is 0.542 667.Contact surface lubrication has obvious influence on damping of disc spring group.In the same composite way,the damping of disc spring group in dry friction is maximum,water lubrication is less than it,solid molybdenum disulfide is minimum.In static test,the work loss ratio with molybdenum disulfide lubrication of multichip composite is less than that of single chip dry friction.
【CateGory Index】: TH135
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