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1、null 产品设计与应用null高速精密角接触球轴承热分析nullv(snull 310027) nullnullEnullu=nullABSTRACTnullRotating at high speed, the high speed angular contact ball bearing will generatelarge amount of friction heat in its interior, which affects rigidity and high speed performance of the bearnulling. The friction heat in h
2、igh speed angular contact ball bearing is calculated, and the heat transfer inbearing , spindle and bearing house is also analyzed and calculated in this paper. On the base of these,the temperature distribution in bearing, spindle and bearing house is given.null null45FrqF,1p5b5(os9XDs1,+sIn3nM+YbBu
3、rtonSteph2n54(on.bAramaki 3e-M1kso(Lo?bSHABERTH 4HIn+s/+byN,In/=3.+9s+$b9F,+=31MFb34+M,qnb=3s5,e9,T/L:(1).b(2)Bsb(3)(u3HW1b1 null 轴承内部热生成(u3oWOE3bPalmgren5w9T,bH4T3M01T3M1sF,M = 10- 10f 0(vn)2/3d3m + 10- 3f 1 P0C00. 33P1dm(1)null81STnull nullnull 男, 37岁,高级工程师,浙江大学博士研究生,本刊编委,主要从事轴承设计a应用及相关的研究工作,研究方向为
4、滚动轴承摩擦学及轴承支承系统动力学,主持或参与研究项目10余项,获机械部科技进步2等奖1项,在国内外学术刊物上发表论文30余篇bTnull M,Nnullmdm, mmf 0|%!9ZT,(o,f 0= 1n=, r/minv/4T,mm2/ sf 1%!9,(o,f 1= 0. 001P1%, NP0r,NC0-, N(oV,O8T,/=(,yN,VM-s=s,M(us,Mij = 1z null Dwde 5 null 10- 11fo(vm)2/3d3m+5 null 10- 4f 1 PoiCo0.33P1idm (2)null1nullnullnull2000. null . 8Me
5、j = 1z null Dwdi 5 null 10- 11fo(vm)2/ 3d3m+null null null null null 5null 10- 4f 1 PoeCo0.33P1edm (3)Tnull zoDwo, mmdi=(, mmde(, mm36B1yo(u1b=(u1Msj = 3nullsiQiainulli8Mse = 3nullseQeaenulle8(4)Tnull nullo(uQoE_(, Na%(, mnull=s(u3(u#1,Hij = nullrollMij + nullsiMsiHej = nullrollMej + nullseMse (5)2
6、null 球的旋转速度计算9,AobHirano2Lo=(uB3O,onullc1nullbnullc = null 1+ dm/ Dw + cosnulledm/Dw - cosnulli nullcosnullcosnullnullcoanulli + sinnullsinnullicosnullcosnullnullcosnulle + sinnullsinnulle- 1(6)nullb = nullc dm/Dw + cosnullecosnullcosnullnullcoanulli + sinnullsinnulle(7)null nullo1nullsinullsenullsi
7、 = - nullbsin(null- nulli)+ ( null- nullc)sinnulli (8)nullse = nullbsin( nulle - null)- nullcsinnulle (9)Tnull null, rad/ snullio=(, radnulleo(, radnullo_g,O._*).,2000(8):8 9_*)/null. 3MK134=5B8/.,2000(8):15 17aoh#OF,TbesKJ- 51VIed,),#bes+#Fnbm6bM:5nullenullnull/null,Rnull,null=.*ds.,2000(8):18 19M:
8、*nulldnullVnull,o?3,ZnullY.VIe3MZ1410A5/.,2000( 8): 19 22M:nullnull5null/z.BANT- 1s2N.,2000(8):23 25|BANT- 1s2NQ|gBVT- 1NQg,AUnullnullanulloynullnullnull,iVBaaYo,YVUo4s2bV7,ID3bM:nulls2nullnullku=,F*.ooos.,2000(8):26 27M:onullonullnull=r,3,!b.110Gr4Ni4Mo4V1).,2000(8):28 3110Cr4Ni4Mo4Vz1?,930nulla0TM1;V1,?null45nullnullnull2000. null . 8
