Giáo trình ma sát học - Chương 7

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Tài liệu tham khảo Giáo trình ma sát học được viết nhằm phục vụ các lớp cao học ngành kỹ thuật cơ khí - Chương 7 Bôi trơn

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Nội dung Text: Giáo trình ma sát học - Chương 7

88 ~ " ,OHUONG'? BOITRdN Khl n61dEinbOl tran ta bltit rc!mgcO rat nh~u n¢i dung phaiD8n:'~i 1rm tuc phai xet dEind1At~lctfdh, no Ia chat lOng hay chat ran. Thanh ph~n cac chat b~i Jt~..1 cGQg 'flhl(MDngphll' 'gta :can ilh@F4~ tang tfnh ruing bOitrCJll ro.ngnhung.d~liI~n.Ctrth~.Phalxet t d&n .«» nhOt caf; .
89 i~ 0 n r;d¥:) ::~"i ,\ 1 4'COtlgrAp '180 cae :, D6u,ooapJ\fCfGad"duqcbom ,,-,~t ,~I1QNciu ,_ .nang' ng6ng frt1c·1··f6n··W' glli'RO . 'v! trf nhAt d!nh khi cO tai. D~u tran qua bAn map 6~tJiu"g "~'va' ehua 3. D~~/ehinh titti~I ••ir6 d~ gID'a bqe luOn ( h1e'Gio.;~i cd 181~'!n~~ :~t~t~ap tf'4~ dl ~uy'n mc)UU~'.nho tbeo ctfJ6u,ngo~ Ilfc'tam they'd~i ap IlfC trong bu6ng d~u. Nhc, tich IUu 6 cO th! tflAlt'btrfth du d. . :~il ~ 1My (Sfihip.~ trong; ooOng 6 lam v~e d ~,
90 + Khi may lam v~c tr4c chinh " thdi d~m ~t I ,, '~U:1iluay(va trang thdi kY'VltCJt Iin'bao:g~cHrig ~m. 6 JtWY"tilh.~kh6ng,JX)1 h~n tl.:tqAgmon tmng qucitn'nh J~m.~.l$c., ;,,,'- w;t.6 ..•M1uC1CdEm ttUJU t'ihh: ' .~ i:W~~,i{.,. ( T •.. _.,r .~ ..... '_.• ~c~ita +,HtlthOaQ pbucH~p,dat ti&n (#.~ lam I~J cao ap' ~t'nbMctfi,nhJoAh pbcJI cO'b$Tt ~tf;lP teaC i~ linbkitlnkhac. :~,- . ',' ,;; r ,>., , ..'t rl¥u ... v.tmg"h., thOng J*at< ;U,"ttlflh.n&rf phai ~hA~ Iqc tclrn.dAunong nAn d~ nhdtlg18ffi;do'd6~ft8.icO 7 h~th6ngram"nhi ,''"",'' ::
91 ... • KAt dJu ddn gian, d¢ tin ~y cao. • Ch~ tqo gOitrlJc don gian, d~ dang khi slta chua ~p rap, khOng can phai d~u chinh ph~n t~t Iuu khi ~p 6. • D~ dang ch~ tqo cac t~t luu. • Di&u chinh dUQC Ilfc lam v~c cUagOi.,_ ap • Nhu9Cd16m: ca h~ thOng;'~f1~'k~htl;'n""li~(;~d61\~y , chi dung chOithfOOb~~hghlAn cl1ti.~-;n ,;:, '- .'. ' b. 6.dQ ."a'6dil ch~ dUngiHf.ftnJ,ngaytrdrtg& ' • Uu: h6 thOn"';"'on.' ,)'1 / ,~ r:'.J. '>1 :-", ". ;;:U hQl> sa~:~at hang Io~t n~n dUQC'd~)*,g rai h",n nay trong cac may.cO,ng C\I. ~n .th6 gidL • Nhllc;:Jc: • K8fhAft; phJc!:~p:' ,, ~ '.." ..,..." ,' •..... \ - · ,~, y,\~y ttulp.", .. '; ~ .,Ch! fila kho, dot,hei phlldng phap OOnt~n h",n d~i. , r • Kho ~an khi slta ooaa, kh~ng di6u chinh dUt;'C ap Illc trong buOng. :" . , 1.• C• .4a.,Q'G)~ ~~-(O,q~.y;~, 2 ong ..•.• ":-h 4""';' •• , J .•t.. ·.~h'j,. ' ~ ." ~n ;: : t1 [;r1f ILh.,' '. -~ . ( X em bdng: trong.ben ),; ,,: ',0., 'i ,~.' ~ '-I ,-{ _!J ""'!". 96
92 ~•. J nhUr;Jg~UcJrAp:; TJ:ong ~p:suatttongOOOng thti' I: '- Pb: ap Ilfc b~J . Pi = 1 0 4-r~.t~Gllem~, n6nchQncPj ;:;-,1() +~OKGI cn'1~'; o : DlImgkfnh ng6ng trl:'c. ' va tj. + (0,0006 ~ : Khe hiJ hlldng kfnh dB 1:\:"'== 0,90q($5)Oh1) '," . ,c. rnk : Tocl)Il)"1,l&h cua bu6nl9/':'- ., . " ", '~''',' • ' ... "t' •••• I. '0' 00. Kr : H~ 50 Ie! dtn anh huang cUa ra,nh dQc try,q•. = 1 vat> kh6ng ranh. '•. " Kr vat> cO ranh va phl:' th\J¢"q.~C?kiCtJ.th~ .cUa6 : Kr> 1 cv'-' ,~. _~ t' •. · ~I·,-' - .. ~,". r,",f" ...... ~.. '/' - .. '1'/ ..' .."· !, ., n r -". ;~t '. +/
91 ... cao. • K~t dJu dan gian, d¢ tin ~y • Che:\~o g6i trlJc don gian, d6 dang khi sUa chO'a lap rap, khOng CAinphai d~u chinh phtm t~t lU'u khi lap d. • 06 da ng che:\~o ca c titit 111u. • Dit\uchinh dl1QCap Illc lam v~c aia gOL_ NhU'~ dlAm: ca htl thOng~f1g'k~htfhMri~tfd6l\~y • , chi dung chOiW OO~fta¥clhghi6n cl1u."-·;J\ ,.; , < . b. 6,dCI va-de ch~ dimg,fiM',ft.tu.ngaytrdrtg& ' • Uu: ." ""~ ~ ~ thOna;gQn. 'A ;'" ;' ',,'" '.PhU h~ san xuat hang ~t n~n dU'C1C'(j6~~g rai h~n nay trong cac may J~,ng cy ~n "iM gidI. • Nhl1c;IC: • Klt\:A&';e; phUc'~p:' ", ',' ;',_ ,', ~~ f ;\~ _. ,_, ...••.••. th~P: ,.', ',';" , • ,~,Y~,~Y .,Ch! tE10 kho, d6i, h6i phl1ang phap OOntltin h~n , (, ~, '~ -- • Kho ~an khi stra oolJaf kh6ng'di6u chinh dLl~ ap hIe trong buOng. : ,. " 1.2. C6hg1.tlli'Gj~~'~16.ttJ'y;~h·t ,', '-' \ , c"".· ..' _,'" .•.•..• 98
92 j; TJ:ong nh(b;lQ,,~jt1U~Jr!o:; Pb: ap 'lie b~. ap st:t6t trong OOOngthti' i: ... Pi =10 +! 59KGrgn~, n6nchQn'Pj ~,1() ~2OKGI Crn~': o :0U 1 va cS cO ranh va phuthuO~ vao kfCh' Ulli.dccUa 6 : , .f;:;, " ", i':j':",r! jon ~/:,¥ ',; -'i ,. Kr = + o. J 1 ;~}I{9.t':'(~t&·;:-;'9J t4)] ,.; ,': = 10 + 11. Vdi 1'0 11: cNAu r¢ng vach hgan the6'P'tt1(t,g 'HQe' lt4e. 110,',_ , ''II , ~ : chiAu r¢ng be, buOng dAu trong 0 chc11n. ho: khe he,gilla b6.m"t va cS {Jvc. F : d~n Uch h~u qua tLtdng dLtdng va 6 chc11n 99
~, 93 nh~t cUa R3 : ban kfnh IOn nhAt va nho v6nQ ngoai R4, ( c." - v nd~ mn m) : ,~ 1('" ; 0 R1 : ban kfnh Ian nhAt va nho nhAt cUa 'lOng trong R2, '1''' : :- _.; ,;", , _, ',~ - '.' •• J .•••: ~~~" 1 ''''l ~'\,"II'_: :'.' : ''''''j>'' J' , 1'~••••:' \ ,,', "-) 1 - .'~' ,'~ ....• - t ,-, '-"., ." ...• ~ ., '2 1 ~, /' '.' t£ ,lIDhdllm1UUrng1(tdf':)s ,,::;;: '~\l.*;j '.i•• ~j ~,: , .. s: " 't I:, :~~A. -,~•..,u~ ,(J" 1'P:'r1 . ,'.~'. ~~)tj~:}r,';c r - ' ., tOn Nk: Nd : t6nthAt ma sat tr6n vach buOng. theo'phtr~~;,d~c tdil':tMaftrfla'saflr!n vach ngcJn No : tr~c.• '.' ", •.•, su~ d~dtiy dAu trongO. No: t6n that cOng , ·:-r -.- r •. Nt : t~n that cOng suM tOng ~ng. n : 56 vang quay cUa tr~c trong 1-phtity, ; , Z : 86;,~6ng, Z = 4. \., \\ R : ban klnhngOng trye. ' _ '.\ 0 da. Rt: ban kinh trong cUa bu6ng mang tai 100
94 ,-f· qL,Ci ;!'~'I :,; t',.;iC:'q ~('.-, .c La bOi trCln khi ngOng trlJC quay mang dAu ~n bei trdn b6m~t ngong va ~c lOt (tuc cO chuy6n dQng sa cO bOt treo). l~j na~,khi t6c '(fQ •.~rn, ,tltming IhO;lc.,tOc
9S ;:fttl,~nJ«llh ng6ng".yqi ..C)f'!,·~ ;~)b'" .,:' ,,~~, ;:P~CJMJ; trinh Re~old ,~l'vdl"(jOOg'ehaiYln~t "chltu: AilEJfltrt~adOcfllfi:\.c;:ac: /W .~( !(J~f: .J." :',J '~l .:X, t(---)k,'>4'h lb. j.!, ,"j ., d:ap" ~ ., = ,0 II 17 UllOi;, .. "..,ril' f, " ,d'x J' . ,.~ , h '.. i;,· . ,·;·t; ,." ""J' 3 h : chl6u day bAt kY ma fa cO theS~b i cJln~;'dllQc, T thllang lAy h .~~"1!~rP\,~~rmtilx'.Ii,.: 'it .' • D~ngtqa OQ Cl!c: '.' i'" ' ,\ -~-',-~4- " 1 d ... h -h • - -"'".L, :.•.•• Reo. -. 6' j T/u' ( .) -'_ -. -' -,',;). rId .: t., •. _.)1r~. ,
"" 96 ngOng trlJc cuOn dAu vao khoilll~'ll~?cfAh 'fIt1a nhOng trvc ,vaf6t6; ot.u bi'e1J\~t:;yJ):00 ~pi8'Oit r&h~' tol1ng6'ng trvc quay vdi ~n tOc 100, ngOng ~tr~ n'h~rh~n ~ chling to tai trQng'~R dUC;S¢;,cAn bang va ap J1!e.. sinh ra trong lOp dAu.d trlti.) " ,- , t ...• .i t., >-.'!, .... ;. ~~, I",,' ._ •.'~}: __ ik.> (; _.- i( ,.. D6 t1nh tocin ta dung cae kY'hitlu sau ;... ,. Ii., J.-" .'-, \ 8 :::;D-d : f)Q he,dUdr'lg kfnh; , ~\ " \ , ._- \fI'::;:.'(a.d)/d~ 8/d ': ~ hotUdIlg dOl; Trong dO: D DuOng kfnh lOt 6; " - ,_ . :~. - _ •. ~. 'f". -.,0" . I~::. d DUdr'lg kftrhngOng'trf!c.'nn thJc. 6'(fU'dC Me b6idO Vf;~i;hri;;;f1g H'..tNi. • __ ••~ ••• uu,~ • ~ch tam tu~td6i e va dQ ~ch tam tuong dOi : "" , i('.'qh1e(ra~Yrih6hhaf6Ucli8p dAu: ~> ',' :th~in;;gl2::t~=812(1_ x) , 'j:'l, " ""'. r .. ;bhkilida'y .&.~ dAu ~ltititd~h J~ ll'h~ va goe
91 '6J/f.,hr,,~' k -"l",i d. dp !, i ,',' j == dx ,'-, , h','~,l',,~t . ,,. .. ." . ~ , .' .! .. I. ' vIM~·,dttol d~ng tQ8'd~) ·16/ QfG vd,ht::ttql,.tlni~Wq:o ,-(lUqc . ~ ~,'~ ,ftft ,,,,,, ~ "I ~' . ..- '.''UWlJ, .,' ., . ~ ..• ~,~ f" " .• ' ~" ". dp = 6 ~\!~.~:COS~) - (1+ Z.Cosrpor~ ·
98 6 phiJi xet d~n h~ tu'ong\ diw, qhay ra· 2 dau va OOn hanh dl6u chinh trong,tinh toan. ,i. \, .~utnay C6l1g;jhllelMl~iva,:"bi6u thtd(l co :;::IIn/aG vSe centipoazd va kich thlhilc ~ng mm, nhdt elIa dau ~ng 1a co: . ' '.,~ ))-!r\-)-~ •. i(.'~' , "" . - - " "I~.o.7 ~,~ 1;0 ,~ fJ • n ./ tlcD .1 _- '1),' ' ••• .A """'" qs2 "p¢ Vf4y ;:: ------ (." ' J.tm T •.•. R . ~IJ 2 Ai .. , rong ,\40;,1 f;'!': p ;apJ;~FI,quutdC,.., m ~..-',': : 'If:} == 1 ";"\ :)blJb,;)t,;~L Hfj'd(c~aHAo;Ns"IhiZfl;);:': tl:;~ j ,-~~ ~~r{"-tt:d~:?; ",.- cr·- . ,,- ;1::. l ;·'H7),~:..~ o".J,.-..' cbhg' thuetr~n. eHo.thtly n\'ngkh~ 'rl~hg:"tcU'il~ , Cae, ~ 'o'tlng.';tf ~ thllf4rl'~ar'd~'ri~dfcUa'(f~u tO~ Va vf4nJ p ,/~\ quay, glcim xuOng khl tang khe he, va chlau day nho nhat kich ili~~ ~"va tha~ Oo~ elI.al~,~. d9,~~(~~g ~p~ng d61 Yell )~u fa vAn co' th~ tang kha nang ta.i elIa 6 IAn rat nh16u bc\ng each tang dQ nhot cda dim h~e glam Igle he, elIa 6. Tuy nh16n, cae b~n phap nay eungse lam 'i : tan~ thAro ma$,Cit-vali1~itt ttoog'6.' 105
99 ~ ,-., " , ';>,-. 1. Nguyin Tua1'ti'"Nguylnvan}rM •. r~'?-L;;' Anh thu~t ma sat va b~n r>hap--119 •• tu6i thQ KY thhitb!. "h'-:.i',"', I', N)(Bi~ih~t('Tttt~ti'Ma,~~1990 •. ', , 2.Ph~mPhLi L.y~ ', y- ','< Wptyw kietunkawoscio&tn1ktuiy .geometfyczne powlerchnl na zjawlska zatarcta w stiele,styku przjrfUelwc,poslizgo-Ml,j)T oc:tnym. Rozprawadoklorska· - wrolJaw 1977. 0, Tabor 3.BQwden F - O. Taraa':t'smarowama .• , " ,c ..• , PWN warszawa 1972. ,.,'-,'Cti1b,'- 4.Fulter D.O. " .-J'_ ,;~ Teoria i praktyka smar.owaAIa. _za"'-"~'; W. r••• ..,n./, . 4IlI'~WCII~-·':I~U.·' " f 5.Genkln M - K, Kuzmln N.F~;MlSaMnJ.A. - Voprosy zaedanija zubzatych kotes. ,,-,ZSRR, ,Mockwa1959. " "',' 6.Hlrano Fujtb, VEmo'11I1
100 Konstruktion nr 12/ 73. a.Krzeminski - Freda H Zagadmenla 'BIa&1t)f1ydrott~rJalt1lcznego arowaniaw konstrukyi maszym. Seminarlum jednostek organlzaeyjnyeh podstaw kenstrukyi maszyn u¢.zel"MeGttnjQZtl~1.11 !r • .f' 'l~~'f ;" "Warszawa'jl9~&~~" "( j 'i ,,', 9.Maciakowsku R Iinni Ba•••• a:przeciwt.aiarcbnyGh ,wtasnosd krajowych olejiow prekladniowy,eh~ ,,": i' ''- -,' 'T~'Sntarowania:()5/19]5., .• ,;- I 10.Mullert" ~. bi ' ' "i~:"", "",,"j zgbat~mu~aoieranle.1 Oblt~)kof Mechniczny,nt'" 08Jtai4. PrzegBd 11 .Muller L, ',< Pruktadnle zsbate, obficzeniawytrzy!, ,- , makosciowe. \ ur::S':':'\f.W [,,1\,1, "i Warszawa". 1972 (1' " ~. ;i.;; ". -r~ '. '~_~ - . .~ 12.NiemannG, GartlterF, .., ,;:"',,., Die Mischreibung bei Linleflberuhrung. -z :'/~:i ",' VOl nrrOOI1'Q66. '" 13 .• J ~ S , ~ D"f~O '" ..r "
L.0Rd0rt:·~; _, 15.Spatek J. ,c-j. Wptyu dodatkow przeciwzatarobVJlyd!',wolyu na izni&ezeniowac wytrzymateac atykowae.1
102 Fresstragfahigkeit von stirn ragetriaben. Antriebstechnik nr 07.08.1975. ri,' "s ,,' ',. ''22vBAKoxtexkL L' Masat b6i trdrlva nao.:",On'..vong may'moc. NXB khoa hQC va kY thu~t Ha nQt19fl'... 23. J. Blouct: TraralDl joMtiqoes.de mecaniqUe de Of surfaces-. etd~ Ia Institut'superieur des 'materiaux construction mecannktue .-" (P"~p)'1985. SA1TOOEN I r r I I \ Ii ~ I. I L i' i t. I f I \ t ,,-:{;,"-" I I t I r, ~, ~I " 109