夹送辊和张力辊的设计计算-周国盈

,,:S,,,;,,,1~2%,,,,,(),,(),,:1);2),,,,i11.,:,{;J,,,!l,,T,T,1T,r,T:1,:laT:T2P,P(1)f,,rP:a,bT:T2P,,TT:,,2P,,1bTTl=2P(2)TT,2P,,,TT:2p,,2PT,T=2PT(3)M=:P(4),D,,TT;T=2P+T,,,T:(),T:TT:T=2PT,(2)T(2:P(5),,T,,(2),,T-,n,n.df,_.ZkT(+G,T+G:,(ZP+G,GZ()P();G:GZ()=018~028;5.1ff=0.008,f=0.004;d();k,k0.8()1.5();D()G,=G:=G,(6)__m_ndf_ZkT(P+G)TZPZP-:-DDk=10(6:M(PG)tZp+Zp(7)22T..p(3)3T(PG:)T-G,G:=G,l,n0.df,..ZkrrU(8),dfnZk1r~i~ri~~f_,n__,df,nZkDM(PG)+zP+ZPl-DD2,(8)(9),P,T,T,a(4),,4TT(ZP+GlGZ);T(Zp+GlGZ)(ZP+G:GZ,G:=GZG,TZPTZP2M=Zp;ZpZpT:,T:T,(10)(10)(11),44(),,,,5TT==:r(:PG:GZ);(ZPG:GZ),+G:G:)2kT(12)G:=G:=G,T4P4PdfJ0Zk4rweT(12,)M=pp+4P(13)(),(),,1801.,,T,T:,T,TZ:TlT:e,Ga,_:0.15~0.18,=0.28~o.28),50%6,!![1JesJ.{7,a(7)a(220)==0.25,7ea=2.56T:T:T,,AT=F=T:(eal)(3.85),(15):D,,_D=1~=12e1(16),,,,,JJa(6),,a,,,a=(0.80.9)a,,a(),,,,D,:;l(17)a:E(/)h();a,(/)TT:=TT;T==Tea,T:T:T,T2_T3ea,T=-eaT(18),a;T,T=ZMD(19)MM=ab2+aobhZ111,(3h2hxZ)ba:112T_ZbalD12(3hh,)(20)h;ZPd:E();E(/);Qs(/),,pDBAC;,Dp,_~.,.DJp=Ll1~l,~.__J._._,_~D1,.4,Xp,D();h();b(){{{{{)))))))))))){{{{{iii))){{{...lmrIIIJJJJJJJJJJJJJJJJJJJrrr,.,8T88,(20)T=x.y,b(21)31__t_.2xU,(3h2h2)D291y,D750m,x,p=1.=450a.=50kg/mm,a:=50kg/mm,h=smmy,xyP,P=0.5,b=iZoomm,T=o5x120096okg,,~_qVZl-~V:980.sbhVZ(22)V(/);h();b();q(/)qbh,(/3);7.8x103/i,TZTlTOe,sbhVi(23)M=T3T4,T(e;1,,.__,,_,,D121/U1,.(24),MT+.sbhVZ,,)=TZ+T+sbhVZ,_(:)(25)2.--,,,9,T:T;:TZ=T4+T;T=Ta,;T3=T+TT:T:e,+T=(Tx+T)ea,+T(26)T:=(T,T0.sbhVZ)e;a+T(27)(),:(Tr3)P:(T,+T.sb,,V:)(e,,1):.2,(28),10l9QJ,,;(),,,,,,,,,,1.,T:T:(10),a,BC,,TZ=(Tl+P0sbhVZ)ea+T(29)()M=(T,+P0sbhVZ)(ea(30):,T:,,,,P,,,,(),,(T0.sbhVZP)ea),T:T:TP;=TZT-~Tl+sbIV2(31),P(31),P2._,Tl,rz,1),aBC:Ž,..r..,,Ž,J..T2TlT+0.sbliVetQ,!iPT:(3z).T,(T:+P)eoaTo.sbhVZ(33),_,_,_,..L,:,DM(TZP)(eoa,1)+0.sbhVZ-2(34).,,(),,P?,,T3TZ,PPT3eaTZT3=TTO.sbhV,P:=(T:T.bhv:),a,T:)(35)P,P,,,,,,P,ll=,T,T0.sbhVa,TZ(36)P!T,T0.sbhVZq,TZ(37)P,,P:,1213S1.(12)(29),STZ=(T+P0.sbhVZ)ea:ea:+Taa:,(30),S()(38),~____,,,,,.._.._DJV1=Ll:+rXUDnvLe:e:1)~(39),,,P,PTl2sbVZ(40)Z|-2.(13)(33),STlT+2x0.sbhVZTZ=leaeaZ(34),S(41),,,___J.___,,,,DJVl=!12r)Lele:1)+XUDnVIesJ(42),,,P.r(T:T:.sbhv,)a,e;aT:,(43)(37),P;T!T2xo.sbhVZe[eaZTZ(44)..11:,,T02/1500,D300,140,G:G:=G(10,),PT2TZP:PUZP(01514X000830)150UP5350,l5=2675,MZpZp+Zp=2535.15+22535+25352540=254n_D3602_,n--,14XU/MnN_2=28975975XU95.2S:b=1000,h0.5,.40/,,ST,500700,T3300050000.5/,14h0.5,a,40/2,(17)S250,260()S,(22)T=o.sbhVZ==0sxi0.5xo.520.1,T,TT:=Ta,TT8:4/1114D:6,p==1.2=1.2156,h=.5,P=.1,T=Pb=0.1x1000100i#:=.25,a=220.,7e;=2.562#:0.25,aZ220(),a:()200,e,:=2.41S256241615T:=3,Pea:ea:,=T=T:TsT30001002900P025615=1950,P2000(29)1#T:T:=(T:+P)ea,(700+0.252000)2.56,=3070l#M,(30)M;=(T:+P)2431#,DLe-1~~=(700+0.25xZ000)(2.56i)n._D3600514026=36.5/1#Nl=Minz975_243369759.1ST:=Tze2+T3070x2.41+100=7460,S46030005000,,,,SD“2..2#M:=TZ(,1)r307(2.4:1))562.2#n:nl2#N:MZn:_56236.97567521.5,500,()nlr.T:Tea-Tlr500280252.56700,P:p_,-:00200.25256,2800,,1R.K.Bennett:lronandsteelEngineer1964,.8,P.69~882A.R.Foreman:lronandsteelEngineer1964,8,P111~1203T.SheppardandJM.Roberts:TheJo:rnalofThelstituteofmetate1972,5,P1301354..xuMua:Mexal,ecoe06xo0HOOPyoBaHKeexoBnPOKaTK,197238