Memoriu Tehnic Proiect OM I-2013 Vrajotis Andreas

7/23/2019 Memoriu Tehnic Proiect OM I-2013 Vrajotis Andreas

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UNIVERSITATEA TRANSILVANIA DIN BRAOV

Departamentul Autovehicule i TransporturiDisciplina Organe de Maini

PROIET DE AN LA DISIPLINAOr!ane "e #a$ini I

Autor% Stu"ent Vra&otis An"reasPro!ramul "e stu"ii% Autovehicole Rutiere'rupa% ((((

oor"onatori% Pro)* univ* "r* in!* 'heor!he #O'AN Dr* in!* Silviu POPA

+,(-

5


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UNIVERSITATEA TRANSILVANIA DIN BRAOV

.AULTATEA DE IN'INERIE #EANI/

Disciplina Organe de Maini

PROIET DE AN LA DISIPLINAOr!ane "e #a$ini I

Autor% Stu"ent Vra&otis An"reas'rupa %((((

oor"onatori $tiin0i)ici% Pro)* univ* "r* in!* 'heor!e #O'AN Dr* in!* Silviu POPA

+,(-6


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CUPRINS

Introducere................................................................................................................................. 6

A. MEMORIUL JUSTIFICATIV.............................................................................................. 7

1. Temt!c "! #c$em #tructur%&con#truct!'(............................................................................ )1.1. Temt!c "! #*ec!+!c,!! de *ro!ectre...........................................................................)1.-. Sc$em #tructur%&con#truct!'(..................................................................................1

-. Pro!ectre e%emente%or "! %e/(tur!%or....................................................................................10-.1. Pro!ectre e%ementu%u! 1 c2r%!/u% de remorcre3.....................................................10

-.-. Pro!ectre e%ementu%u! 4 t!rntu% #u*er!or3..............................................................10 -.0. Pro!ectre %e/(tur!! 1&4 #m%re +!%ett(3............................................................16

-.4. Pro!ectre e%emente%or 5 "! 6 co%on #u*er!or( "! cor* co%on( #u*er!or(3... .. ..16 -.5. Pro!ectre %e/(tur!! 4&5 m!nre #udt(3................................................................16 -.6. Pro!ectre %e/(tur!%or 5&6..........................................................................................16

-.6.1 Pro!ectre %e/(tur!! 5&6 #m%re ,e'(&,e'( *(trt(...................................16 -.6.- Pro!ectre %e/(tur!! 5&6 #m%re *r!n o%,...................................................16

-.7. Pro!ectre e%emente%or 7 "! 8 t!rnt !n+er!or "! cor* t!rnt !n+er!or3.............................-.8. Pro!ectre %e/(tur!! 6&7 m!nre #udt(3....................................................................-.). Pro!ectre %e/(tur!%or 7&8

-.).1 Pro!ectre %e/(tur!! 7&8 ,e'(&,e'( *(trt( .......................................................-.).- Pro!ectre %e/(tur!! 7&8 #m%re *r!n o%,.......................................................

-.1. Pro!ectre e%emente%or 11 "! 1-91-: r centr%( "! co%on #t2n/9dre*t3.............

-.11. Pro!ectre %e/(tur!%or 8&) "! 1&11 m!n(r! #udte3.................................................... -.1-. Pro!ectre %e/(tur!! )&1 #m%re *r!n "uruur!3..................................................... -.10. Pro!ectre %e/(tur!%or 11&1-91-:...................................................................................

-.10.1 Pro!ectre %e/(tur!! 11&1-91-: ,e'(&,e'( *(trt(............................................-.10.- Pro!ectre %e/(tur!! 11&1-91-: #m%re *r!n o%,............................................

-.14. Pro!ectre e%ementu%u! 10910: t!rnt #t2n/9dre*t3.................................................. -.15. Pro!ectre %e/(tur!! 1-&1091-:&10: m!nre #udt(3................................................... -.16. Pro!ectre e%ementu%u! 090: #u*ort #t2n/9dre*t3..................................................... -.17. Pro!ectre %e/(tur!! 10&0910:&0: #m%re *r!n "uruur!3..........................................

;!%!o/r+!e .................................................................................................................................

;. ANE


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INTRO=UCERESco*u% *ro!ectu%u! de n % d!#c!*%!n Organe de maini e#te #( de?'o%te !%!t(,!%e

*rct!ce %e #tuden,!%or de *ro!ectre "! #!ntet!?re cuno"t!n,e%or de mecn!c( re?!#ten,mter!%e%or te$no%o/! mter!%e%or "! re*re?entre /r+!c( n decur#u% n!%or I "! II *recum"! modu% n cre ce"t! *ot re?o%' n mod !nde*endent o %ucrre de *ro!ectre *e ?%/or!tm!%or metode%or #*ec!+!ce "! *ro/rme%or d!n domen!u.

............. #e 'or *re?ent *e ce#t( */!n(3 #*ecte /ener%e %e/te de con#truc ! ! *ro!ectre d!#*o?!t!'e%or de remorcre uto........

Autoru%

8


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MEMORIUL TE@NIC

)


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1. TEMATICA I SC@EMA STRUCTURAL&CONSTRUCTIVB

1.1 TEMATICA I SPECIFICAII =E PROIECTARE

Tem de *ro!ectre unu! *rodu# e#te %n#t( de c(tre un ene+!c!r "! re*re?!nt( on"!ru!re de dte cer!n,e "! cond!,!! te$n!ce cre con#t!tu!e crcter!#t!c!%e "! *er+ormn,e%e!m*u#e '!!toru%u! *rodu#.

Dn c?u% *ro!ectu%u! de n nr. 1 tem de *ro!ectre *orn!nd de % nece#!tte unord!#*o?!t!'e de remorcre uto modu%re d*t!%e *entru d!'er#e #!tu,!! *rct!ce *re#u*uneconce*,! "! d!men#!onre unu! d!#*o?!t!' de remorcre cu +unc,! /%o%( de %e/re "!trctre m!n!remorc!%or "! ru%ote%or de uto'e$!cu%e%e de c*c!tte m!c( +!/. 1.13.

=e?'o%tre ce#tu! *rodu# e#te cerut( de !ne>!#ten, unor *rodu#e #!m!%re cre *ede&o *rte #( *ot( +! +o%o#!te *entru m! mu%te t!*ur! de uto'e$!cu%e remorc! "! ru%ote "! *ede %t( *rte #( !nc%ud( com*onente t!*!?te "uruur! o%,ur! "!e3 e>!#tente % *re,ur!

redu#e "! *er+ormn,e r!d!cte. A#t+e% #e *recon!?e?( c( nou% *rodu# e>ecutt n #er!! mr! de*roduc,!e *ote +! com*et!t!' "! d!n *unct de 'edere econom!c.

)


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=!#*o?!t!'u% de remorcre c #!#tem mecn!c demont!% +(r( m!"c(r! re%t!'e ntree%emente re c *rmetr!! de !ntrre +or,e%e de !nterc,!une d!n cdru% cu*%e! #+er!ce deremorcre "! c *rmetr!! de !e"!re +or,e%e "! momente%e d!n #m%(r!%e d!#*o?!t!'u%u! cu%onerone%e "#!u%u!.

Pe %2n/( +unc,! *r!nc!*%( de trn#m!tere #rc!n!%or de % !ntrre I% !e"!re E +!/.1.13 mter!%!?t( de ce%e dou( #m%(r! cu %onerone%e "#!u%u! uto'e$!cu%u%u! *entru nou%

*rodu# #e urm(re"te "! nde*%!n!re urm(tore%or +unc,!! u>!%!re re#*ectre *re'eder!%or de!nter#c$!m!%!tte cerute de #tndrde%e d!n domen!uG re#*ectre cond!,!!%or de *rotec,!e omu%u! "! med!u%u!G d!m!nure d!#tru/er!%or cre r *ute *(re % co%!?!un!.

Pentru *ro!ectre de n#m%u d!#*o?!t!'u%u! de remorcre +!/. 1.-3 #e !m*une*er#on%!?re listei de specificaiicu urm(tore%e cerine principale

a For,e%e e>ter!ore F


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1.- SC@EMA STRUCTURAL&CONSTRUCTIVB=!n *unct de 'edere con#truct!' d!#*o?!t!'u% de remorcre +orme?( un n#m%u

com*u# d!n #un#m%e "! e%emente con#truct!'e !dent!+!c!%e cu u"ur!n,( n #c$em#tructur%&con#truct!'( d!n +!/. 1.0. An#m%u% #oc!t !nterc,!one?( cu remorc *r!n!ntermed!u% une! cu*%e #+er!ce *r!n e%ementu% 1 +!/. 1.43 "! cu %onerone%e "#!u%u!uto'e$!cu%u%u! *r!n #m%(r! cu "uruur! cu e%ementu% 0.

Sun#m%e%e #unt #tructur! !nde*endente cre #e e'!den,!?( *r!ntr&un /ru* com*ctcom*u# n con+!/ur,!e m!n!m%( d!n ce% *u,!n dou( e%emente con#truct!'e #u d!n %te#un#m%e "! e%emente con#truct!'e n !nterc,!une *ermnent( +ormte ,!n2ndue cont cu

*rec(dere de te$no%o/!!%e de mont de ntre,!nere "! de e>*%otre. Dn c?u% d!#*o?!t!'u%u! deremorcre d!n +!/. 1.- #&u de+!n!t #un#m%e '2nd % ?( #tructur!%e com*cte o,!nute

*r!n #udre. Dn +!/ur 1.0 #e *re?!nt( % /ener% #tructur con#truct!'( "! o #c$em #tructur%&con#truct!'( d!#*o?!t!'u%u! de remorcre cu !ntrre I mter!%!?t( *r!ntr&o cu*%(rt!cu%,!e3 #+er!c( "! !e"!re E mter!%!?t( *r!ntr&o #m%re cu "uruur! montte cu occu un #u*ort +!>t *e %onerone%e "#!u%u!. An#m%u% d!#*o?!t!'u%u! de remorcre con,!nee%emente%e 1 "! 0 ce +orme?( %e/(tur!%e de !ntrre9!e"!re "! #un#m%e%e S1 S- S59S5:+ormte d!n c2te dou( e%emente #udte. Dn #c$em #tructur%( nu #e e'!den,!?( e%emente%e de#m%re o%,ur! "uruur! "!e3 cre #e 'or de+!n! "! d!men#!on odt( cu *ro!ectre%e/(tur!%or "! #e 'or e'!den,! n de#enu% de n#m%u.

Dn t. 1.- #e e'!den,!?( #un#m%e%e "! e%emente%e d!#*o?!t!'u%u! de remorcre

*rec!?2ndue t!*u% denum!re "! #uc*!to%u% n cre #e ' trt *ro!ectre ce#tor. Dn t.

11

Fig. 1.2 Parametrii fizici i geometrici impui


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1.0 Dn t. 1.0 #e e'!den,!?( %e/(tur!%e nedemont!%e m!n(r! #udte3 "! demont!%e#m%(r! +!%ette *r!n o%, *r!n "uruur!3 cre urme?( #( +!e *ro!ectte !n cont!nure.

Tab. 1.2Subansamblele i elementele dispozitivului de remorcareNr Codu% Codu% T!*u% =enum!re Trtre n

1-

a

b

cFig. 1.3 Structura constructiv a dispozitivului de remorcare: a integrat; b

explodat; c schema bloc


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.crt.

#un#. e%em. #uc*.

1 A11 Co%on

(C2r%!/ de remorcre -.1

-

S1

4 T!rnt T!rnt #u*er!or -.-

0 5 Co%on(

Co%on( de remorcre -.4.1

4S-

6 Cor* Cor* co%on( -.4.-5 7 T!rnt T!rnt !n+er!or -.76

S08 Cor* Cor* t!rnt !n+er!or -.7

7 ) F%n"( F%n"( +,( -.1-8

S41 F%n"( F%n"( #*te -.1-

) 11 ;r( ;r( centr%( -.1

1S5

1- 1-:3 Co%on(

Co%on( #t2n/9dre*t -.1

11 1010:3 T!rnt T!rnt #t2n/9dre*t -.141- A1 - -:3 Su*ort Su*ort #t2n/9dre*t

10 A10 0:3 ;r( T!rnt de r!/!d!?re

#t2n/9dre*t-.16

Tab. 1.3egturile elementelor dispozitivului de remorcare

Nr.crt.

Codu% T!*u% =enum!reTrtre n#uc*.

1 I =emont!%( A#m%re #+er!c( -.1- 1&4 1&S13 =emont!%( A#m%re +!%ett( -.00 4&5 Nedemont!%( Dm!nre #udt( -.5

4 5&6 S1&S-3 =emont!%( A#m%re ,e'(&,e'( *(trteA#m%re cu o%,

-.6.1-.6.-

5 6&7 Nedemont!%( Dm!nre #udt( -.86 7&8 S-&S03 =emont!%( A#m%re ,e'(&,e'( *(trte

A#m%re cu o%,-.).1-.).-

7 8&) Nedemont!%( Dm!nre #udt( -.118 )&1 S0&S43 =emont!%( A#m%re cu "uruur! -.1-) 1&11 Nedemont!%( Dm!nre #udt( -.111 11&1- S0&S43 =emont!%( A#m%re ,e'(&,e'( *(trte

A#m%re cu o%,-.10.1-.10.-

11 1-&10 Nedemont!%( Dm!nre #udt( -.151- 10&- =emont!%( A#m%re cu "uruur!10 10&0 =emont!%( A#m%re cu "uru -.1714 -&0 =emont!%( A#m%re cu "uru15 E =emont!%( A#m%re cu "uruur!

2. PROIECTAREA ELEMENTELOR ILEBTURILOR

10


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-.1 PROIECTAREA ELEMENTULUI 1 CQRLIUL =EREMORCARE

I* Date "e proiectare

S( #e *ro!ecte?e c2r%!/u% de remorcre *o?!,! 1 d!n +!/. -.1.1 cu +unc,! *r!nc!*%( detrn#m!tere #rc!n!%or F


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Fig. 2.1.2Parametrii geometrici Fig. 2.1.3(odelul de calculfuncionali i constructivi

III*A"optarea )ormei constructiveCaracteristici i restricii funcionale i constructivePentru #!/urre ce%or tre! m!"c(r! re%t!'e de rot,!e % un/$!ur! de rot!re de 0#e

!m*une c un/$!u% determ!nt de !nter#ec,! #+ere! cu t! c2r%!/u%u! #( +!e *ro>. 15o.-5oGDn 'edere #!/ur(r!! !nter#c$!m!%!t(,!! cu*%e%or #+er!ce de remorcre *recum "!

modu%r!?(r!! con#truct!'e #&u de?'o%tt d!#*o?!t!'e de cu*%re cu d!metru% #+ere!

=#1 7

18 - -

5

16 ,o%! #u =#476-5G 58G 587075 mm.

doptarea para!etrilor geo!etrici funcionali i constructivi:

& d!metru% #+ere! R# *entru re#*ect *unctu% de m! #u# #e do*t( n +unc,!e de #rc!nde trctre F


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"elaii de calcul:& e+ortur! n #ec,!une cr!t!c( N F 1 N e+ort >!%3G M Ft% e+ort de nco'o!ere3& cond! ,! de re?!#ten,( % trc,!une "! nco'o!ere n #ec,!une cr!t!c( A&; n *unctu% ; ce%edou( ten#!un! u ce%"! #en#3

& d!men#!onre d!n re%,! PRC&A.1.1.1.1.4.13 #e determ!n( %un/!me

454)6 mmG #e do*t( % 46 mm.

n cre #& con#!dert =18mm Yt 1- M* Ft1-)N "! F 1 N

V* Proiectarea )ormei tehnolo!ice

C urmre c%cu%e%or t!rntu%u! 4 #e o,!ne /ro#!me ce#tu! $ 15 mm "! ,!n2nd contde n(%,!me *!u%!,e!con+orm S)*S +$#$,-. m 16 mm "! /ro#!me "!e! *%teS)*S/#00,-3 $ 0 mm "! "!e! roZerS)*S 1222,#.3 / 05 mm #e do*t( %- 4mm "! %1 0 mm.

& *re%ucrre c2r%!/u%u! de remorcre cu #+er( dre*t #e *ote +ce *r!n #trun!reG& c%!tte #u*r+e,e%or R 60 [mG c%!tte #u*r+e,e! #+er!ce deorece ce#t( +orme?(

m*reun( cu cu*% de /(,re o rt!cu%,!e #+er!c( #e do*t( R 0- [m.& *entru +c!%!tre *re%ucr(r!! #e *rct!c( /(ur! de centrre A-5& deorece e%ementu% +unc,!one?( n med!u coro#!' cu ume?e%(3 "! *entru #e #!/ur

c%!tte #u*r+e,e! #+er!ce *e tot( *er!od de +unc,!onre #e ' re%!? *rotec,! *r!ncromre.

VI* VERI.IAREA #ODELULUI U PA3ETUL PER.OR#ANT #DESI'N

Dn ce#t c? '2nd n 'edere c( mode%u% de c%cu% e#te #!m*%u t2t c nc(rcre *recum "! c+orm( #ec,!un!! nu #e !m*une 'er!+!cre cu *c$etu% de c%cu% M=ESIN.

16


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-.- PROIECTAREA ELEMENTULUI 4 TIRANTUL

SUPERIOR3I* Date "e proiectare

S( #e *ro!ecte?e t!rntu% #u*er!or *o?!,! 4 d!n +!/. -.-.1 cu +unc,! *r!nc!*%( detrn#m!tere #rc!n!%or Fter!or cuume?e%( 'n#t(G

e Cond!,!! con#truct!'e mter!% #ud!%G) Cond!,!! de eco%o/!e ut!%!?re de mter!%e "! te$no%o/!! eco rec!c%re mter!%e%or

*rotec,! '!e,!!.II* Ale!erea materialului2 tratamentelor termice $i tehnolo!iei

=eorece t!rntu% e#te o *!e#( cre #e ' #ud #e do*t( con+orm SR EN 1-5&- STAS59-3 o,e% S-05 cu - -05 MP "! r 06 MP.

17

a b

Fig. 2.2.1 Schema de 4ncrcare: a exterioar la nivelul dispozitivului;b exterioar3 redus la nivelul elementului 5


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III* A"optarea )ormei constructiveDn 'edere cre"ter!! e+!c!en,e! econom!ce #e do*t #em!+r!ct de t!* o,e% %t *%tnd(3

cu d!men#!un!%e "! $ #tndrd "! 9$ W 4 +!/. -.-.-3.IV* Schema "e calcul2 "imensionare $i veri)icare

Pentru d!men#!onre #e do*t( mode%u% d!n +!/. -.-.0 cu urm(tore%e !*ote?e de c%cu%

& mode%u% de c%cu% e#te o r( dre*t( nc#trt( cu #ec,!une dre*tun/$!u%r( X#o%!c!tt( %trc,!une de +or, F


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!n2nd cont de *rmetr!! /eometr!c! de+!n!,! n +!/. -.-.- "! de re?u%tte%e o,!nute %

*ro!ectre #m%(r!! cu +!%et 1&4 "! m!n(r!! #udte #e do*t( R 0 mm = 1 18 mmL2

' 11 mm Pre%ucrre e%ementu%u! 4 *re#u*une +re?re *or,!un! de c* "! /(ur!reGc%!tte #u*r+e,e%or *re%ucrte R 1-5 [m.

VI* Veri)icarea mo"elului cu pachetul per)ormant #DESI'N

=!n n%!? re?u%tte%or o,!nute n urm n%!?e! cu M=ESIN #tructur!! e%ementu%u!*ro!ectt ne> -.13 #e o#er'( c( n #ec,!une d!n nc#trre ten#!un!%e tn/en,!%e #untm>!me. Ten#!une m>!m( de +or+ecre /enert( de +or, F n *uncte%e P6 "! P- +!/.-.-.43 re '%ore 178 MP "! #e ne/%!e?( *entru c%cu%u% ten#!un!! ec$!'%ente.Ten#!une m>!m( norm%( /enert( de +or, F


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a b

c dFig. 2.2.# 6istribuii ale tensiunilor secionale din 4ncastrare: a de forfecare

generate de fora !7; b normale generate de !8; c normale generate de momentul(9; d normale generate de momentul (7

-.0 PROIECTAREA LEBTURII 1&4 ASAM;LAREFILETATB3

I* Date "e Proiectare

-


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S( #e *ro!ecte?e #m%re cu "uru montt cu oc d!ntre c2r%!/u% de remorcre cu #+er(dre*t *o?!,! 1 d!n +!/. -.0.1 cu +unc,! *r!nc!*%( de trn#m!tere *r!n +recre +or,e%or F


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Fig. 2.3.2Parametrii geometrici ai asamblrii

Caracteristici i restricii funcionale i constructive:

& #m%re *re#u*une montu% *or,!un!! +!%ette cu oc "! men,!nere ce#tu! *e durt+unc,!on(r!!G& *entru #!/urre #tr2n/er!! #m%(r!! #e ut!%!?e?( o "!( *%t( cu d!metru% e>ter!or

m! mre c d!metru% /u%eru%u! d-

'ara!etrii geo!etrici principali:& d!metru% nom!n% % +!%etu%u! d d!n cond!,!! de !nter#c$!m!%!te "! #tndrd!?re #e

do*t( +!%et metr!c& d!metru% /(ur!! de trecere =1 #e do*t( d!n #tndrde

Caracteristici i restricii funcionale i constructive:

& #m%re *re#u*une montu% *or,!un!! +!%ette cu oc "! men,!nere ce#tu! *e durt+unc,!on(r!!G& *entru #!/urre #tr2n/er!! #m%(r!! #e ut!%!?e?( o "!( *%t( cu d!metru% e>ter!or

m! mre c d!metru% /u%eru%u! d-

'ara!etrii geo!etrici principali:& d!metru% nom!n% % +!%etu%u! d d!n cond!,!! de !nter#c$!m!%!te "! #tndrd!?re #e

do*t( +!%et metr!c& d!metru% /(ur!! de trecere =1 #e do*t( d!n #tndrde

IV* Schema "e calcul2 "imensionare $i veri)icare

(pote)e de calcul:

--


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& mode%u% de c%cu% "uruu%u! e#te o r( dre*t( nc#trt( n cor*u% c2r%!/u%u! deremorcre cu #ec,!une c!rcu%r( con#tnt( de d!metru d1d!metru% !nter!or % +!%etu%u!3#o%!c!tt( % trc,!une de +or, >!%( F""

& #e ne/%!e?( momentu% de tor#!une cre *re % #tr2n/ere #m%(r!! "! dec! "!ten#!un!%e de +or+ecre /enerte de e+ortur!%e t(!etore #oc!teG

& +or, e>ter!or( F cre n t!m*u% +unc,!on(r!! *ote c,!on n me%e #en#ur! #econ#!der( *entru ce#t c%cu% c( c,!one?( n #en#u% *o?!t!' % >e! #!tu,!e ce conduce% #o%!c!tre #u*%!mentr( #m%(r!! cu "uru.

Date cunoscute:

& de#*re nc(rcre Ft 1-) N X +or, trn#'er#%( "! F 1 N X +or, >!%( *%!cte#tt!c

& de#*re #m%re ! 1 n 1 [ -5& de#*re mter!% - 06 MPX ten#!une %!m!t( de cur/ereG c 04 & co!e+!c!entu% de

#!/urn,(G Yt Y-9c 06904 81- MP X ten#!une dm!#!!%( % trc,!une #econ#!der( Yt 11 MP3G

& ten#!une dm!#!!%( mter!%e%or e%emente%or 1 "! 4 n contct Y # 6) MP. #econ#!der( Y# 7 MP3.

Fig.2.3.3(odelul de calcul a asamblrii

-0


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"elaii de calcul:

& +or, >!%( d!n "uru d!n cond!,! de trn#m!tere +or,e! F t*r!n +recre Ft F+ +or, de+recre3

645 N

& +or, >!%( tot%( d!n "uru *entru c?u% n cre Fc,!one?( n#*re n #u#3

745 N

& d!n cond!,! de re?!#ten,( % trc,!une t!e! +!%ette

3

#e determ!n( d!metru% !nter!or % +!%etu%u!

)47 mm

d!n S)*S /$0%15. #e do*t( 3 *rmetr!! +!%etu%u! d1 1-71 mm d- 118-5 mm d 14 mm M143 * - mmG #e do*t( d!n S)*S +$#$,-%153core%t cud!men#!une +!%etu%u! M143 d!metru% /(ur!! de trecere =1 18 mm e>ecu,!e m!%oc!e3G

& d!n cond!,! de re?!#ten,( % #tr!'!re mter!%e%or n ?one%e de contct d!ntre e%emente%e 4"! 1 re#*ect!' 4 "! "! *%t( *re *re#!une

#e determ!n( d!metru% /u%eru%u! e%ementu%u! 1 re#*ect!' d!metru% e>ter!or m!n!m %"!e! *%te

-.10 mmG

#e do*t( d!n S)*S /#00,-3 d- -4 mm.

-4


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Fig. 2.3.#Parametrii de reprezentare pe desen

Cote%e *r!'!nd %un/!m!%e #&u determ!nt ,!n2nd cont de /ro#!me *!u%!,e! m 14 mm "! *%t( "! roZer "! e%ementu%u! 4.

Pentru #e +c!%!t o,!nere *er*end!cu%r!t(,!! #u*r+e,e! +ront%e *e > *!e#e! #edo*t( r? de rcordre R5G

Pre%ucrre +!%etu%u! #e *ote +ce "c$!ereGC%!tte #u*r+e,e! R? 60

VI* VERI.IAREA #ODELULUI U PA3ETUL PER.OR#ANT #DESI'N

Dn ce#t c? '2nd n 'edere c( mode%u% de c%cu% e#te #!m*%u t2t c nc(rcre *recum c"! +orm( #ec,!un!! nu #e !m*une 'er!+!cre cu *c$etu% de c%cu% M=ESIN.

-5


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-.4 PROIECTAREA ELEMENTELOR 5 I 6 COLOANASUPERIOARB I CORP COLOANB SUPERIOARB3

-.4.1 PROIECTAREA ELEMENTULUI 5

I* Date "e Proiectare

S( #e *ro!ecte?e co%on #u*er!or( *o?!,! 5 d!n +!/. -.4.1 cu +unc,! *r!nc!*%( detrn#m!tere #rc!n!%or F


24/117

a bFig. 2.#.1.1 Schema funcional%constructiv a elementului coloan superioar:

a' integrare 4n ansamblu; b' schema de 4ncrcare

II* Ale!erea materialului2 tratamentelor termice $i tehnolo!iei=eorece #u*ortu% e#te o *!e#( cre #e ' #ud #e do*t( o,e% S-05 OL073 con+orm SR

EN 1-5&- STAS 59-3.

III*A"optarea )ormei constructive

Fig. 2.#.1.2Parametri geometrici funcionali i constructivi

Caracteristici i restricii funcionale i constructive& #e ' do*t d!n con#!derente de /reutte m!n!m( #em!+r!ct d!n ,e'( *(trt(G

& #e ' urm(r! c d!men#!une ,e'!! *(trte #( *erm!t( *%!cre cordonu%u! de co%, %#udre cu e%ementu% 4

-7


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doptarea para!etrilor geo!etrici funcionali i constructivi:& #e do*t( d!n con#!derente de /reutte redu#( #em!+r!ct d!n ,e'( *(trt(G& %un/!me L0 L0X $ 85 mm


(pote)e de calcul i solicit,ri:

& Trn#m!tere #rc!n!%or de % e%ementu% 5 % e%ementu% 6 #e re%!?e?( *r!n contct d!rect"! *entru c%cu%u% de d!men#!onre #e con#!der( c( ce#t e#te nc#trt n centru% cor*u%u!6

& Mode%u% de c%cu% #oc!t co%one! 5 #e con#!der( c +!!nd o r( dre*t( cu #ec,!une*(trt( cu %tur $5 "! /ro#!me t5 nc#trt( #o%!c!tt( % com*re#!une de +or, F G %

nco'o!ere o%!c( de #rc!n!%e F!tte m(r!t( n cont!nure #e do*t( un mode% #!m*%!+!ct cre ! n con#!derre#o%!c!tre *r!nc!*%( de nco'o!ere dt( de +or, F


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Fig. 2.#.1.3 Schema de calcul i diagramele de eforturi

Date cunoscute:

& de#*re +orme "! d!men#!un! ,e'( *(trt( cu $5] 5 mmGL0 85 mmG& de#*re nc(rcre F


27/117

& d!men#!onre d!n u%t!m *rte re%,!e! ,!n2nd cont c( u?u% *entru ,e'!%e *(trte#tndrd t9$ 515 t9$ 13 #e determ!n(

01-6 mm

"! re?u%t( t5 01- mmG #e do*t( #em!+r!ct ,e'( *(trt( cu d!men#!un!%e $5 4 mm"! t5 5 mm.


Fig. 2.#.1.#Parametrii geometrici ai asamblrii

Lun/!me co%one! #e ' determ!n *r!n c%cu%u% %n,u%u! de d!men#!un! cre !m*%!c(e%emente%e 5 "! 6 *o?!,!onte >!% de o%,G %un/!me e%ementu%u! 6 %6 L 7 mm #&determ!nt n #uc*. -.4.-G

=!metru% /(ur!! de o%, #& determ!nt n urm c%cu%u! #m%(r!! cu o%, n#uc*. -.6.-.G

Num(ru% de /(ur! "! dec! cur# de re/%re #e ' determ!n ,!n2nd cont de ncdrre n/r!tu% d!#*o?!t!'u%u! *entru nu #e de*("! %!m!t n+er!or( ce#t #e ' determ!n de

*e de#enu% de n#m%u3GRu/o?!tte de *re%ucrre R 60 [m

0


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2.4.- PROIECTAREA ELEMENTULUI 6


01


29/117

S( #e *ro!ecte?e %e/(tur #m%re3 dou( ,e'! *(trte concentr!ce *o?!,!!%e 5 "! 6 d!n+!/. -.4.-.1 cu +unc,! *r!nc!*%( de trn#m!tere *r!n +orm( #rc!n!%or F


30/117

& *entru #!/urre +unc,!on(r!! #e !m*une re%!?re contctu%u! con+orm *e #u*r+,emr!3 d!ntre ,e'!%e 5 "! 6 cre #e re%!?e?( *r!n montu% cu oc % ce#tor.


& ,e' *(trt( !nter!or( d!men#!ont( n #uc*. -.4.1 re d!men#!un!%e $5 4 mmt5 5 mmG

& *entru #!/urre contctu%u! con+orm d!ntre ,e'!%e *(trte !nter!or( "! e>ter!or( #edo*t( d!men#!un!%e ,e'!! e>ter!ore $6 5 mm "! /ro#!me t6 5 mm.

Fig. 2.#.2.2Parametrii geometrici ai asamblrii

00


31/117

-.0.5 PROIECTAREA LEBTURII 4&5 DM;INARESU=ATB3


S( #e *ro!ecte?e m!nre #udt( t!rntu%u! 4 cu co%on 5 d!n +!/. -.5.1 cu +unc,!*r!nc!*%( de trn#m!tere #rc!n!%or Fter!or cu

ume?e%( 'n#t(f. Cond!,!! eco%o/!ce ut!%!?re de mter!%e "! te$no%o/!! eco rec!c%re mter!%e%or

*rotec,! '!e,!!

a b

Fig. 2.-.1 Schema funcional%constructiv a 4mbinrii sudate: a' integrare 4nansamblu; b' schema de 4ncrcare

04


32/117

II* Ale!erea materialului2 tratamentelor termice $i tehnolo!iei

E%emente%e 4 "! 5 +orme?( un #un#m%u #udt "! dec! *entru ce#te #& %e# mter!%#ud!% o,e% S-05 con+orm SR EN 1-5&- STAS 59-3


Fig.2.-.2Parametri geometrici ai 4mbinrii

Caracteristici i restricii funcionale i constructive%& #e !m*une #!/urre *er*end!cu%r!t(,!! ce%or dou( e%emente

'ara!etrii geo!etrici principali%& /ro#!me cordonu%u! de #udur( e#te m m!c( dec2t /ro#!me *erete%u! ,e'!!


(pote)e de calcul i solicit,ri

& deorece nc(rcre e>ter!or( e#te com*u#( d!n #rc!n! mu%t!*%e "! mode%u% de c%cu% recom*%e>!tte m(r!t( *entru c%cu%u% c%#!c #e con#!der( un mode% #!m*%!+!ct cre ! ncon#!derre nc(rcre cu +or,e%e trn#'er#%e F


33/117

Fig. 2.-.3 Schema de calcul

"elaii de calcul:

& Cond!,! de re?!#ten,( % +or+ecre #udur!!Ten#!un!%e de +or+ecre dtorte +or,e%or F


34/117


Norm% #tre##e# cu#ed end!n/ moment M Norm% #tre##e# cu#ed end!n/ moment M?

S$er #tre##e# cu#ed tor#!on% moment T>

07


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-.6 PROIECTAREA LEBTURILOR 5&6

-.6.1 PROIECTAREA LEBTURII 5&6 ASAM;LAREEAVB&EAVB PBTRATB


S( #e *ro!ecte?e %e/(tur #m%re3 dou( ,e'! *(trte concentr!ce *o?!,!!%e 5 "! 6 d!n+!/. -.6.1.1 cu +unc,! *r!nc!*%( de trn#m!tere *r!n +orm( #rc!n!%or F


36/117

Fig. 2..1.1 Schema funcional%constructiv a asamblrii legturii. eav%teavptrat: a' integrare 4n ansamblu; b' schema de 4ncrcare


E%emente%e 5 "! 6 #unt !nc%u#e n #un#m%e #udte "! dec! *entru ce#te #& %e# mter!%#ud!% o,e% S-05 con+orm SR EN 1-5&- STAS 59-3.


Caracteristici i restricii funcionale i constructive

& *entru #!/urre +unc,!on(r!! #e !m*une re%!?re contctu%u! con+orm *e #u*r+,emr!3 d!ntre ,e'!%e 5 "! 6 cre #e re%!?e?( *r!n montu% cu oc % ce#tor.


& ,e' *(trt( !nter!or( d!men#!ont( n #uc*. -.4.1 re d!men#!un!%e $5 4 mmt5 5 mmG

& *entru #!/urre contctu%u! con+orm d!ntre ,e'!%e *(trte !nter!or( "! e>ter!or( #edo*t( d!men#!un!%e ,e'!! e>ter!ore $6 5 mm "! /ro#!me t6 5 mm.

0)


37/117

Fig. 2..1.1Parametrii geometrici ai asamblrii


4


38/117

Fig.2..1.3 Schema i modelul de calcul a asamblrii: a' schema 4ncrcrii;b' distribuiilepresiunilor generate de sarcinile !8i (92 ;c' distribuiile presiunilor generate de sarcinile

!9i (82 ;d' distribuiile presiunilor generate de momentul de rsucire (72

(pote)e de calcul i solicit,ri +!/.-.4.-.-3:& trn#m!tere +or,e%or F!mu% *m>MG& *entru c%cu%u% #m%(r!! nu #e con#!der( /(ur!%e *entru o%,.Date cunoscute:

& de#*re nc(rcre F!%(GM!% de tor#!une3

& de#*re +orme "! d!men#!un! d!men#!un!%e %e?u%u! *(trt @ $ 6 5 mm %un/!meL %67 mmcu '%ore necuno#cut(G /ro#!me ,e'!! !nter!ore t5 5 mm "! re#*ect!'e>ter!ore t6 5 mmG

& de#*re mter!%e - -05 MPX ten#!une %!m!t( de cur/ere mter!%u%u! ,e'!%orGY# 68 MP X ten#!une dm!#!!%( % #tr!'!re #e do*t( Y# 6 MP3G ^+56 MP ten#!une dm!#!!%( % +or+ecre #e do*t( ^+ 6 MP3

"elaii de calcul:

Pre#!un! de contct

41


39/117

& *re#!un!%e de contct *e #u*r+,e%e I "! II /enerte de +or,e%e F


40/117

"! u #o%u,!!%e *o?!t!'e m>!me 05 mm "! re#*ect!' -4- mmG #e do*t(L 7 mm


Fig. 2..1.#Parametri tehnologicie i constructivi

=!metru% %e?u%u! =5 8 mm #e determ!n( c urmre c%cu%u%u! #m%(r!! cuo%, d!n #uc*.-.6.-

ur de o%, #e *%!c( % *rte !n+er!or( % d!#tn, 15=5G

u#tu% /ur(&o%, @1-9$1GRu/o?!tte #u*r+e,e%or +ront%e R 60 [mG ru/o?!tte %e?u%u! R 0- [m


Maximum value of the normal stressSalient point Tension-

pressure-stresszd

Bending stress in

consequenceof Mymax (Mmax)

Bending stress in

consequenceof Mzmax (Mmax)

Comined

characteristicof normal stress

40


41/117

N/mm

max

N/mm

max

N/mm

res

N/mm

P1 0.83 16.98 24.33 42.15P2 0.83 0.00 24.33 25.16P3 0.83 -16.98 24.33 8.18P3* 0.83 -16.98 24.33 8.18P4 0.83 -16.98 0.00 -16.15

P5* 0.83 -16.98 -24.33 -40.48P5 0.83 -16.98 -24.33 -40.48P6 0.83 0.00 -24.33 -23.50P7 0.83 16.98 -24.33 -6.51P7* 0.83 16.98 -24.33 -6.51P8 0.83 16.98 0.00 17.82P1* 0.83 16.98 24.33 42.15

Maximum combined chaac!ei"!ic o#!he "hea "!e""

e" $ 3.508 N/mm

%om&aab'e "!e"" (x $ 20.689 N/mm

)a#e! a+ain"! 'ea, )# $ 11.359

e"u'!in+ maximum deec!ion $ 0.000 mmn+'e o# !he deec!ion $ 0.000000

-.6.- PROIECTAREA LEBTURII 5&6 ASAM;LARE PRIN ;OL


44


42/117

S( #e *ro!ecte?e #m%re3 cu o%, c!%!ndr!c dou( ,e'! *(trte concentr!ce *o?!,!!%e 5 "! 6cu +unc,! *r!nc!*%( de trn#m!tere *r!n +orm( +or,e! FSpeci)ica0ii impuse

a. For, e>ter!ore F 1 NG

b. T!*u% #rc!n!! #tt!c(c. =te de#*re #m%re ,e' *(trt( !nter!or( re d!men#!une $5 4 mm "! /ro#!me

t5 5 mmG ,e' *(trt( e>ter!or( re d!men#!une $ 6 5 mm "! /ro#!me t6 5 mmT!*u% %e/(tur!! #m%(r!!3 cu contct con+orm

d. Cond!,!! de +unc,!onre tem*ertur T & 0oC4 oCG med!u de %ucru e>ter!or cuume?e%( 'n#t(

e. Cond!,!! con#truct!'e !nter#c$!m!%!tte "! modu%r!?ref. Cond!,!! eco%o/!ce ut!%!?re de mter!%e "! te$no%o/!! eco rec!c%re mter!%e%or

*rotec,! '!e,!!

a bFig. 2..2.1Schema funcional%constructiv a asamblrii cu bol cilindric a

evilor ptrate concentrice: a' integrare 4n ansamblu; b' schema de 4ncrcare


Pentru e%emente%e 5 "! 6 #& %e# mter!% #ud!% o,e% S-05 con+orm SR EN 1-5&-STAS 59-3;o%,u% #e ' e>ecut d!n o,e% *entru con#truc,!! mecn!ce E-)5SR EN 1-59-53

45


43/117

III* A"optarea )ormei constructive

Fig. 2..2.2Parametri geometrici ai asamblrii

Caracteristici i restricii funcionale i constructive& #m%re cu o%, #e *o?!,!one?( % *rte !n+er!or( n#m%u%u! ,e'(&,e'( 5&6G& #e ' re%!? #m%re trn#'er#%( *r!n m!! *ere,! ,e'!%or

'ara!etrii geo!etrici principali

& =5X d!metru% o%,u%u! '%ore #tndrd3G& 5X *o?!,! /(ur!! n ,e' 5G& 6X *o?!,! /(ur!! n ,e' 6



& +or, F #e trn#m!te *r!n +orm( contct d!rect3 de % ,e' 5 % o%, *r!n dou( #u*r+e,e#em!c!%!ndr!ce *e cre dtor!t( ocu%u! e>!#tent m(r!t #e con#!der( c *r *re#!un! de#tr!'!re cu d!#tr!u,!e co#nu#o!d%( cu m>!mu% *5G

& +or, F #e trn#m!te *r!n +orm( contct d!rect3 de % o%, % ,e' 6 de #emene *r!ndou( #u*r+e,e #em!c!%!ndr!ce *e cre dtor!t( ocu%u! e>!#tent redu# #e con#!der( c( *r

*re#!un! de #tr!'!re cu d!#tr!u,!e un!+orm( cu m>!mu% *6Date cunoscute:

& de#*re nc(rcre F 1 N X +or, trn#'er#%( *e o%,

46


44/117

& de#*re mter!%e - -05 MPX ten#!une %!m!t( de cur/ere mter!%u%u! ,e'!!G Y#68 MP X ten#!une dm!#!!%( % #tr!'!re #e do*t( Y # 6 MP *entru o,e%u%S-05 cu %!m!t % cur/ere m! m!c(3G ^+ 7 MP ten#!une dm!#!!%( % +or+ecre

Fig. 2..2.3Schema de calcul

"elaii de calcul:Cond!,! de re?!#ten,( % #tr!'!re #m%(r!! cu o%,Pre#!un!%e m>!me de contct *e #u*r+e,e%e o%,u%u! #e %!m!te?( #e %!m!te?( % '%oreten#!un!! dm!#!!%e de #tr!'!re mter!%e%or n contct

=!men#!onre #m%re cu o%,=!n re%,! de m! #u# #e o,!ne d!metru% nece#r % o%,u%u!

m> 5-G 4163

Se do*t( d!n con#!derente te$no%o/!ce =5 8 mm.Ver!+!cre o%, % +or+ecre

8 MP


47


45/117

Fig. 2..2.#Parametrii de reprezentareA%e/ere o%,u%u! #e ' do*t %tu% d!n +!/.-.6.-.4 cu d!metru% e>ter!or % *or,!un!!c!%!ndr!ce 1$11 mmKAu#te "! to%ern,e @1-9$1 *entru ,e' 6 "! o%,G e>ecu,!e m!%oc!e /(ur!! d!n ,e' 5.Ru/o?!t(t! %e?u% d!n ,e' 6 #e ' %e? R 0- [mG %e?u% d!n ,e' 0 #e ' re%!? *r!n/(ur!re R 60 [m.O1s*

& o%,ur!%e #e e>ecut( n +orm #tndrd S)*S /1/5,$"!S)*S /1/23 #u +orme t!*!?te+!/. -.6.-.43G

& *entru #!/urre #e *ot +o%o#! "*%!ntur! S)*S $


46/117

o )heain+ )! $ 6.16 6.16 6.16o )u#ace Pe""ue Po'e )&" $ 8.40 8.40 8.40o )u#ace Pe""ue #o, )&+ $ 6.72 6.72 6.72

Max. Noma' )!e"" %hee, Po'e $ 7.44 N/mm

''oab'e Noma' )!e"" %hee, Po'e u' $ 117.50 N/mm

'!ima!e )!en+!h #o %o""bo'! m $ 490.00 N/mm #o de $ 8.00 mm '!ima!e )!en+!h #o o, m $ 360.00 N/mm #o de $ 8.00 mm '!ima!e )!en+!h #o Po'e m $ 360.00 N/mm #o de $ 8.00 mm

:ie'din+ Poin! #o Po'e e $ 235.00 N/mm #o de $ 8.00 mm

-.7 PROIECTAREA ELEMENTELOR 7 I 8 TIRANTINFERIOR I CORP TIRANT INFERIOR3


S( #e *ro!ecte?e #un#m%u% t!rnt !n+er!or "! cor* t!rnt !n+er!or *o?!,!!%e 7 "! 8 d!n +!/.-.7.1 cu +unc,! *r!nc!*%( de trn#m!tere #rc!n!%or Fter!ore F


47/117

a

b

Fig. 2./.1 Schema funcional%constructiv a elementelor de tip tirant solicitatexcentric: a' subansamblu; b' schema de 4ncrcare

II* Ale!erea materialului2 tratamentelor termice $i tehnolo!iei=eorece t!rntu% !n+er!or *recum "! cor*u% t!rntu%u! !n+er!or #unt *!e#e cre #e 'or #ud #e

do*t( o,e% S-05 con+orm SR EN 1-5&- STAS 59-3.


5


48/117

Fig. 2./. 2Parametri geometrici ai asamblrii

Caracteristici i restricii funcionale i constructive:& #e do*t #em!+r!cte de t!* ,e'( *(trt( #tndrd cu %tur!%e *(trte%or $ 7 "! $8 "!

/ro#!m!%e *ere,!%or t7"! re#*ect!' t8G

doptarea para!etrilor geo!etrici funcionali i constructivi:& #e do*t( > 45 mm con+orm une! e'%u(r! *ro>!mt!'e /ro#!m!%or e%emente%or ) 1

"! 11G

& %un/!me L4X $69- X> --&-5&45 18 mmG

& %un/!me 9- ) mmG

IV* Schema "e calcul2 "imensionare $i veri)icare$olicit,ri i ipote)e de calcul:

& mode%u% de c%cu% e#te o r( dre*t( nc#trt( com*u#( d!n - ,e'! *(trre& #o%!c!tt(% trc,!une de +or, F t7 re %un/!me de nc#trre ) mmG ,e'( *(trt( $8 > t8e#te nc#trt( % d!#tn, 18 mmG #e !m*une

d!n con#!derente de re%!?re #udr!! n T cu e%ementu% 6 c %tur *(trtu%u!$7 $6 5 mmG

51


49/117

& de#*re mter!% - -05 MPX ten#!une %!m!t( de cur/ereG c 15-5 &co!e+!c!entu% de #!/urn,(G Yc Y-9c -05915-5 )15 MP X ten#!unedm!#!!%( % trc,!une #e do*t( Yt 11 MP3

Fig. 2./.3(odelul de calcul

"elaii de calcul:

& e+ortur!%e de nco'o!ere n #ec,!un!%e cr!t!ce *entru mode%u% #!m*%!+!ct3M m> S1 MH7 \ F -68 Nmm n #ec,!une S1G M

m> S- MH7 \ F 010Nmm n #ec,!une S-G& cond! ,!%e de re?!#ten,( % nco'o!ere n #ec,!un!%e cr!t!ce S1"!S-

& d!men#!onre t!rnt !n+er!or 7 d!n u%t!m *rte re%,!e! de m! #u# ,!n2nd cont c(u?u% *entru ,e'!%e *(trte #tndrd t9$ 515 t9$ 13 #e determ!n(

04) mm

"! re?u%t( t7 04) mmG #e do*t( #em!+r!ct ,e'( *(trt( cu d!men#!un!%e $ 7 4 mm "! t7 5 mmG ,!n2nd cont c( ,e' 7 !ntr( n ,e' 8 "! dec! $ 8$7\ - t8 5 \ - t8G con#!der,2nd c *entru ,e'!%e *(trte t9$ 515 re?u%t( $ 856714G #e do*t( #em!+r!ct ,e'( *(trt( cu d!men#!un!%e $8 5 mm "! t8 5

mmG

5-


50/117

& 'er!+!cre re?!#ten,( % nco'o!ere cor*u%u! t!rntu%u! !n+er!or 8 con+orm re%,!e!

04)- MP 11 MP


Fig. 2./.#Parametri tehnologici i constructivi

"eco!and,ri pentru adoptarea para!etrilor te&nologici i de repre)entare:

& %un/!me e%ementu%u! 7 num(ru% de /(ur! "! dec! cur# de re/%re #e 'or determ!n,!n2nd cont de c%cu%u% #m%(r!! ,e'(&,e'( c%cu%t( n #uc*. -.).1G

& d!metru% /(ur!! de o%, #& determ!nt n urm c%cu%u! #m%(r!! cu o%, n #uc*.-.).-G

& ru/o?!tte de *re%ucrre R 60 [


Maximum value of the normal stress

Salientpoint

Tension-pressure-stress

zd

N/mm

Bending stress inconsequence

of Mymax (M

max)

max

N/mm


of Mzmax (M

max)

max

N/mm

Cominedcharacteristic

of normal stress

res

N/mm

50


51/117

P1 1.78 -5.67 49.40 45.51

P2 1.78 0.00 49.40 51.18P3 1.78 5.67 49.40 56.86

P3* 1.78 5.67 49.40 56.86P4 1.78 5.67 0.00 7.45

P5* 1.78 5.67 -49.40 -41.95P5 1.78 5.67 -49.40 -41.95

P6 1.78 0.00 -49.40 -47.63P7 1.78 -5.67 -49.40 -53.30

P7* 1.78 -5.67 -49.40 -53.30P8 1.78 -5.67 0.00 -3.90

P1* 1.78 -5.67 49.40 45.51

M>!mum com!ned c$rcter!#t!c o+ t$e norm% #tre## Po#!t!on > 1-5. mm

Amount re#m> 56.857 N9mm_

M>!mum com!ned c$rcter!#t!c o+t$e #$er #tre##

re# 0.7- N9mm_

Com*r%e #tre## '> 57.108 N9mm_

S+et /!n#t %e S+ 4.110

Re#u%t!n/ m>!mum de+%ect!on .4 mmAn/%e o+ t$e de+%ect!on .47155 `

-.8 Pro!ectre %e/(tur!! 6&7 m!nre #udt(3


S( #e *ro!ecte?e m!nre #udt( t!rntu%u! !n+er!or 7 cu cor*u% co%one! #u*er!ore 6 d!n+!/.-.8.1 cu +unc,! *r!nc!*%( de trn#m!tere #rc!n!%or F


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Speci)ica0ii impusea. For,e%e e>ter!ore F


53/117


Fig. 2.0.2Parametri geometrici ai 4mbinrii

Caracteristici i restricii funcionale i constructive& #e !m*une #!/urre *er*end!cu%r!t(,!! ce%or dou( e%emente

'ara!etrii geo!etrici principali& /ro#!me cordonu%u! de #udur( e#te m m!c( dec2t /ro#!me *erete%u! ,e'!! t67



& deorece nc(rcre e>ter!or( e#te com*u#( d!n #rc!n! mu%t!*%e "! mode%u% de c%cu% recom*%e>!tte m(r!t( *entru c%cu%u% c%#!c #e con#!der( un mode% #!m*%!+!ct cre ! ncon#!derre nc(rcre cu #rc!n!%e m>!me +or, F


54/117

Fig. 2.0.3Parametri geometrici ai 4mbinrii

"elaii de calcul:& Cond!,! de re?!#ten,( % +or+ecre #udur!!

Ten#!un!%e de +or+ecre dtorte +or,e! F


55/117


& #udur #e ' re%? du*( contur nc$!#G& du*( #udre #e ' *%!c trtment term!c de recocere de deten#!onre


static "5namic proo) proo)

Re#u%tnt norm% #tre## e" $ 5-.7-) & N9mm_Re#u%tnt #$er #tre## e" $ 6.615 & N9mm_A%%oZ%e norm% #tre## u' $ 16. & N9mm_A%%oZ%e #$er #tre## u' $ 11-. & N9mm_

#aterial "ataMter!% de#!/nt!on )235;


56/117

-.) Pro!ectre %e/(tur!%or 7&8-.).1 Pro!ectre %e/(tur!! 7&8 ,e'(&,e'( *(trt(


S( #e *ro!ecte?e %e/(tur #m%re3 dou( ,e'! *(trte concentr!ce *o?!,!!%e 7 "! 8 d!n+!/. -.).1.1 cu +unc,! *r!nc!*%( de trn#m!tere *r!n +orm( contct3 #rc!n!%or F


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Fig. 2..1.1 Schema funcional%constructiv a asamblrii legturii. eav%teavptrat: a' integrare 4n ansamblu; b' schema de 4ncrcare


E%emente%e 7 "! 8 #unt !nc%u#e n #un#m%e #udte "! dec! *entru ce#te #& %e#mter!% #ud!% o,e% S-05 con+orm SR EN 1-5&- STAS 59-3.


Fig. 2..1.2Parametri geometrici ai asamblrii


& *entru #!/urre +unc,!on(r!! #e !m*une re%!?re contctu%u! con+orm *e #u*r+,emr!3 d!ntre ,e'!%e 7 "! 8 cre #e re%!?e?( *r!n montu% cu oc % ce#tor


& ,e'!%e *(trte !nter!or( "! e>ter!or( u d!men#!un!%e $7 4 mm t5 5 mmG$8 5 mm t8 5 mmG

O1s.

& d!men#!un!%e #m%(r!! cu o%, #e 'or determ!n n #uc*. -.).-


6


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(pote)e i relaii de calcul:Le/(tur #m%re3 d!ntre ,e'!%e *(trte 7 "! 8 e#te #!m!%r( cu %e/(tur d!ntre ,e'!%e 5 "! 6trtt( n #uc*!to%u% -.6.1 cu urm(tore%e deo#e!r!& nc(rc(r!%e e>ter!ore #unt FH 5 F 1 NG M trn#'er#%( n %oc de!#tent m(r!t #e con#!der( c *r *re#!un! de#tr!'!re cu d!#tr!u,!e co#nu#o!d%( cu m>!mu% *7G

& +or, F< #e trn#m!te *r!n +orm( contct d!rect3 de % o%, % ,e' 8 de #emene *r!ndou( #u*r+e,e #em!c!%!ndr!ce *e cre dtor!t( ocu%u! e>!#tent redu# #e con#!der( c( *r

*re#!un! de #tr!'!re cu d!#tr!u,!e un!+orm( cu m>!mu% *8Date cunoscute:

& de#*re nc(rcre F< 11 N X +or, trn#'er#%( *e o%,

& de#*re mter!%e - -05 MPX ten#!une %!m!t( de cur/ere mter!%u%u! ,e'!!G Y# 68 MP X ten#!une dm!#!!%( % #tr!'!re #e do*t( Y# 6 MP *entru o,e%u%S-05 cu %!m!t % cur/ere m! m!c(3G ^+ 7 MP ten#!une dm!#!!%( % +or+ecre

65


63/117

Fig. 2..2.3Schema de calcul

"elaii de calcul:Cond!,! de re?!#ten,( % #tr!'!re #m%(r!! cu o%,Pre#!un!%e m>!me de contct *e #u*r+e,e%e o%,u%u! #e %!m!te?( #e %!m!te?( % '%oreten#!un!! dm!#!!%e de #tr!'!re mter!%e%or n contct

=!men#!onre #m%re cu o%,=!n re%,! AS;&A.-.1.4.1 #e o,!ne d!metru% nece#r % o%,u%u!

m> 146G )03Se do*t( d!n con#!derente te$no%o/!ce dr "! de !nter#c$!m!%!tte =7 8 mm.Ver!+!cre o%, % +or+ecre

)54 8 MP


Fig. 2..2.#Parametrii de reprezentare

66


64/117

A%e/ere o%,u%u! #e ' do*t o%tu% d!n +!/.-.6.-.4 cu d!metru% e>ter!or % *or,!un!!c!%!ndr!ce 1$11 mmK

Au#te "! to%ern,e @1-9$1 *entru ,e' 6 "! o%,G e>ecu,!e m!%oc!e /(ur!! d!n,e' 5.

Ru/o?!t(t! %e?u% d!n ,e' 6 #e ' %e? R

0- [mG %e?u% d!n ,e' 0 #e 're%!? *r!n /(ur!re R 60 [m.O1s*

& o%,ur!%e #e e>ecut( n +orm #tndrd S)*S /1/5,$"!S)*S /1/23 #u +orme t!*!?te+!/. -.).-.53G



65/117

:ie'din+ Poin! #o Po'e e $ 235.00 N/mm #o de $ 8.00 mm

+*(, Pro!ectre e%emente%or 11 "! 1-91-: r centr%( "!co%on #t2n/9dre*t3


S( #e *ro!ecte?e #un#m%u% r( centr%( "! co%one #t2n/9dre*t *o?!,!!%e 11 "!1-91-: d!n +!/. -.1.1 cu +unc,! *r!nc!*%( de trn#m!tere #rc!n!%or F


66/117

a

6)


67/117

b

Fig. 2.1.1 Schema funcional%constructiv a elementelor de tip bar:a' subansamblu; b' schema de 4ncrcare

II* Ale!erea materialului2 tratamentelor termice $i tehnolo!iei=eorece %e/(tur!%e cu e%emente%e d!cente #unt m!n(r! *r!n #udre *entru r centr%(

"! co%one%e #t2n/9dre*t #e do*t( o,e% S-05 con+orm SR EN 1-5&- STAS 59-3.


7


68/117

Fig. 2.1.2Parametri geometrici3funcionali i constructiviCaracteristici i restricii funcionale i constructive:& #e do*t #em!+r!cte de t!* ,e'( *(trt( #tndrd!?t( cu %tur!%e *(trte%or $11"! $1-"!

/ro#!m!%e *ere,!%or t11"! re#*ect!' t1-G


& #e do*t( L5 L59- 18 mmG



& mode%u% de c%cu% e#te o r( dre*t( re?emt( % c*ete com*u#( d!n - ,e'! *(trre o%!c!tt( % trc,!une de +or, FHG % nco'o!ere o%!c( de #rc!n!%e F Fte >!% *r!n #m%(r! cu

o%,G& *entru c%cu%u% de re?!#ten,( #e con#!der( c( n#m%u% ce%or tre! e%emente e#te /(,t det!rn,!! 10910:G

% deorece mode%u% de d!men#!onre cu %ure n con#!derre tuturor #o%!c!t(r!%or e#te decom*%e>!tte m(r!t( n cont!nure #e do*t( un mode% #!m*%!+!ct cre ne/%!e?(ten#!un!%e /enerte de e+ortur!%e >!%e t(!etore "! de momentu% de tor#!une ! ncon#!derre #o%!c!t(r!%e de nco'o!ere /enerte de momente%e m>!me orto/on%e d!n *%nor!?ont% "! 'ert!c% Mm>@ "! re#*ect!' Mm>VG du*( determ!nre d!men#!un!%or *r!nre?o%'re mode%u%u! #!m*%!+!ct #e ' +ce 'er!+!cre cu modu%u% cu *c$etu%M=ESIN

Date cunoscute pentru modelul simplificat.:

de#*re nc(rcre F


69/117

Fig. 2.1.3(odelul de calcul

"elaii de calcul:

& e+ortur!%e de nco'o!ere n #ec,!un!%e cr!t!ce *entru mode%u% #!m*%!+!ct3Mm>@ M11 \ FV9- 1-875 Nmm n #ec,!une S-G

&cond!,!%e de re?!#ten,( % nco'o!ere n #ec,!un!%e cr!t!ce S1"!S-

PRC&A.1.0.1.4.-3

&d!men#!onre r( centr%( 11 d!n re%t! de m! #u# ,!n2nd cont c( u?u% *entru ,e'!%e*(trte #tndrd t9$ 515 t9$ 13 #e determ!n(

4765 mm

"! re?u%t( t11 54 mmG #e do*t( #em!+r!ct ,e'( *(trt( cu d!men#!un!%e $ 11 5 mm"! t11 5 mmG ,!n2nd cont c( ,e' 1- !ntr( n ,e' 11 re?u%t( $1- $11& - t11 4 mmG

&d!men#!onre co%on( #t2n/9dre*t 1-91-: ,!n2nd cont c( $1- 4 mm re?u%t(

d!n cre t1- 5 mmG

#e do*t( #em!+r!ct ,e'( *(trt( cu d!men#!un!%e $1- 4 mm "! t1- 5 mmG

&'er!+!cre re?!#ten,e! % tor#!une co%one%or 1-91-: con+orm re%,!e!

4158 MP 48 MP


7-


70/117

Fig. 2.1.#Parametri tehnologici i constructivi


& %un/!me e%ementu%u! 1- #& determ!nt n #uc* -.10.1G num(ru% de /(ur! "! dec! cur#de re/%re #e ' determ!n ,!n2nd cont de c%cu%u% #m%(r!! ,e'(&,e'( c%cu%t( n#uc* -.10.1 G

& d!metru% /(ur!! de o%, #& determ!nt n urm c%cu%u! #m%(r!! cu o%, n #uc*.-.10.-G

& ru/o?!tte de *re%ucrre R 60 [m


Maximum value of the normal stressSalient point Tension-pressure-

stress

zdN/mm


of Mymax (Mmax)

max

N/mm


of Mzmax (Mmax)

max

N/mm


of normal stress

res

N/mm

P1 0.44 28.57 -63.12 -34.11P2 0.44 0.00 -63.12 -62.68P3 0.44 -28.57 -63.12 -91.25P3* 0.44 -28.57 -63.12 -91.25P4 0.44 -28.57 0.00 -28.12P5* 0.44 -28.57 63.12 35.00P5 0.44 -28.57 63.12 35.00P6 0.44 0.00 63.12 63.57P7 0.44 28.57 63.12 92.14P7* 0.44 28.57 63.12 92.14P8 0.44 28.57 0.00 29.01P1* 0.44 28.57 -63.12 -34.11

M>!mum com!ned c$rcter!#t!c o+ t$e norm% #tre## Po#!t!on > -5. mm Amount re#m> )-.106 N9mm_

70


71/117

M>!mum com!nedc$rcter!#t!c o+t$e #$er #tre##

re# 7.)05 N9mm_

Com*r%e #tre## '> )-.106 N9mm_

S+et /!n#t %e S+ -.551

Re#u%t!n/ m>!mum de+%ect!on . mmAn/%e o+ t$e de+%ect!on . `

#%"" Poiec!aea 'e+=!ui'o 8-9 >i 10-11 ?mbin=i "uda!e


S( #e *ro!ecte?e m!n(r!%e #udte cor*u%u! t!rntu%u! !n+er!or 8 cu +%n" +,( ) "! +%n"e! 1 cu r 11 +!/. -.11.13 cu +unc,! *r!nc!*%( de trn#m!tere #rc!n!%or F


72/117

a b

Fig. 2.11.1 Schema funcional%constructiv a 4mbinrii sudate % cazul - 1%+;$0%$$.: a' integrare 4n ansamblu; b' schema de 4ncrcare


E%emente%e 8 ) 1 "! 11 +orme?( un #un#m%ur! #udte "! dec! *entru ce#te #& %e#mter!% #ud!% o,e% S-05 con+orm SR EN 1-5&- STAS 59-3


75


73/117

Fig. 2.11.2Parametri geometrici ai 4mbinrilor sudate


(pote)e de calcul i solicit,ri& deorece nc(rcre e>ter!or( e#te com*u#( d!n #rc!n! mu%t!*%e "! mode%u% de c%cu% re

com*%e>!tte m(r!t( *entru c%cu%u% c%#!c #e con#!der( un mode% #!m*%!+!ct cre ! ncon#!derre nc(rcre cu #rc!n!%e m>!me +or, F


74/117

& =!men#!onre #udur(=!n re%,! de m! #u# #e o,!ne /ro#!me cordonu%u! de #udur(

-- mm

Se do*t( d!n con#!derente te$no%o/!ce /ro#!me cordonu%u! de #udur( 0 mm.


Fig. 2.11.#eprezentarea simplificat pe desen a 4mbinrii


& #udur #e ' re%? du*( contur nc$!#G& du*( #udre #e ' *%!c trtment term!c de recocere de deten#!onre


static "5namicproo) proo)

Re#u%tnt norm% #tre## re# 55.0 & N9mm_Re#u%tnt #$er #tre## re# 6.-47 & N9mm_

A%%oZ%e norm% #tre## ?u% 16. & N9mm_A%%oZ%e #$er #tre## ?u% )8. & N9mm_

#aterial "ataMter!% de#!/nt!on S-05JR-U%t!mte #tren/t$ R m 06. N9mm_H!e%d!n/ *o!nt R e -4. N9mm_

Note%Stt!c *roo+ 1.-05e&1 1

77


75/117

+*(+ Pro!ectre %e/(tur!! )&1 #m%re *r!n "uruur!3

&% 'ate de proiectare

S( #e *ro!ecte?e #m%re cu "uruur! #o%!c!tte com!nt >!% "! trn#'er#%3 cre %e/(+%n" ) de +%n" 1 d!n +!/. -.1-.1cu +unc,! *r!nc!*%( de trn#m!tere #rc!n!%or F


76/117

r Re#tr!c,!! d!men#!on%e #e !m*une c d!men#!un!%e +%n"e%or #m%te #( *erm!t(#tr2n/ere #m%(r!! cu c$e! #tndrd re#*ect2nd cond!,! de /r!t m!n!mG

s Cond!,!! de +unc,!onre co!e+!c!entu% de +recre d!ntre +%n"e [ 15-5 +recreu#t( o,e%&o,e%3G tem*ertur T & 0oC4oCG med!u de %ucru e>ter!or cu ume?e%('n#t(

t Cond!,!! con#truct!'e mter!%e #ud!%e

u Cond!,!! de eco%o/!e ut!%!?re de mter!%e "! te$no%o/!! eco rec!c%re mter!%e%or*rotec,! '!e,!!.

a

7)


77/117

bFig. 2.12.1 Schema funcional%constructiv a asamblrii: a' integrare 4n

ansamblu; b' schema de 4ncrcare


Se do*t( *entru "uruur! d!n mter!%e !nc%u#e n /ru* de crcter!#t!c! 6.8S!mo%ur!%e /ru*e%or de crcter!#t!c! mecn!ce u?u%e *entru "uruur! #unt 0.6 4.6 4.8

5.6 5.8 6.8 8.8 1.) 1-.)Gsemnificaie *r!mu% num(r > 1 re?!#ten, % ru*ere m!n!m(Yrm!n3 n MP "! *r!mu% num(r > num(ru% % do!%e > 1 %!m!t % cur/ere con'en,!on%( Y-3n MP e>. *entru /ru* 6.8 Yr m!n 6 > 1 6 MP Y- 6 > 8 > 1 48 MP3 G


8


78/117

Fig. 2.12.2Parametri geometrici3funcionali i constructiviCaracteristici i restricii funcionale i constructive:

& d!men#!onre +%n"e%or #e ' +ce d!n con#!derente de /r!t *entru #e *erm!te

#udre cor*u%u! t!rntu%u! 8 n ?on centr%( "! *entru #e *ute #tr2n/e #m%recu c$e!G


& *entru +%n"e%e ) "! 1 #e do*t d!n 6>? $00/+3 #em!+r!ct de t!* *%tnd( "!

,!n2nd cont c( n centru #e ' #ud cor*u% t!rntu%u! $8\ 65 mm3 "! #*re e>ter!or

#e ' %oc #*,!u de c,!une c$e!! de +!>re -8 mm *entru "uruur! de *2n( %M13 cu d!men#!une L+ 11 mm "! /ro#!me / 8 mmG

& /(ur!%e de trecere "uruur!%or cu d!metru% =1#e 'or d!#*une n co%,ur!%e unu! *(trtcu %tur L 85 mm



& trn#m!tere #rc!n!%or de % +%n" 5 % +%n" 6 #e +ce *r!n !ntermed!u% t!e%or ce%or *tru

"uruur! "! *r!n +!%ete%e ce#torG *entru c%cu%u% de d!men#!onre #e !m*une !dent!+!cre#m%(r!! cu "uru ce m! #o%!c!tt( *r!n ?t *e *r!nc!*!u% #u*er*o?!,!e! c,!un!!+or,e%orG

& +or, F!% centr!cG momente%e M1 "! MH1 #o%!c!t( #m%re>!% e>centr!cG +or,e%e FHF"! momentu% M


79/117

Fig. 2.12.3 Schema de calcul a forelor din uruburi

"elaii de calcul:@alculul forelor axiale din uruburi corespunztor fiecrei 4ncrcri

& #o@e'e din >uubui +enea!e de #o@a A cae "o'ici!=a"amb'aea axia' cen!icB

-75N -75N -75N -75NG

8-


80/117

& #o@e'e din >uubui +enea!e de momen!u' MC10 cae"o'ici!= a"amb'aea axia' excen!icB

4855 N 0)0 N

0)0 N 4855 NG

& #o@e'e din >uubui +enea!e de momen!u' M:10 cae"o'ici!= a"amb'aea axia' excen!icB

1406)5 N -0-8 N

-0-8 N 1406)5 NG

& #o@e'e din >uubui +enea!e de eu'!an!a #o@e'o : >i CB

B cae "o'ici!= a"amb'aea !an"(e"a' cen!icB

1-5 N 1-5 N 1-5 N

1-5 NG

& #o@e'e din >uubui +enea!e de momen!u' MA10 cae"o'ici!= a"amb'aea !an"(e"a' cen!icB

-856)7 N -856)7 N

-856)7 N -856)7 NG

@alculul forelor axiale totale din uruburi:

6-86N

5841 N

4654N

51 NG80


81/117

Dnc(rcre m>!m( F" m>F#1F#-F#0F#4 3 6-86 N !nd!c( c( "uruu% 1 +!/. -.1-.03 e#tece% m! #o%!c!tt "! ' +! d!men#!ont con+orm c%cu%u%u! de re?!#ten,(.Calculul de re)isten,

& d!men#!onre "uruu%u! ce% m! #o%!c!tt d!n cond!,!( de re?!#ten,( % trc,!une*re#u*une determ!nre d!metru%u! !nteror % +!%etu%u! nece#r

A6)0 mm

d!n S)*S /$0%153 #e do*t( 3 *rmetr!! +!%etu%u! d1 6)0 mm d-)-6 mm d 1 mm M13 * 15 mmG #e do*t( d!n +er. S)*S +$#$,-%153core%t cu d!men#!une +!%etu%u! M13 d!metru% /(ur!! de trecere =1 11 mme>ecu,!e m!%oc!e3G #e do*t( STAS 81-1903 *!u%!,( M1 cu m 8 mm "! S 17 mmG

& momentu% de n"urure #tr2n/ere3 "uruu%u! ce% m! #o%!c!tt

7--6 Nmm

unde #& con#!dertG 00oX un/$!u% med!u % +!%etu%u! [ - X coe+!c!entu% de +recre d!n +!%et b 6oX un/$!u% *ro+!%u%u! +!%etu%u! metr!c

% 'er!+!cre t!e! +!%ette "uruu%u! ce% m! #o%!c!tt % #o%!c!t(r! com*u#e trc,!une "!tor#!une3 n momentu% #tr2n/er!!

10 MP -MPG

& momentu% de c,!une % c$e!e *entru #tr2n/ere *!u%!,e!

Mm \ 10166 NmmG

unde #& con#!dert [1 15 X coe+!c!entu% de +recre d!ntre *!u%!,( "! +%n" *e cre #e"e?( ce#t

& 'er!+!cre cond!,!e! de uto+!>re

G 00o 10o

84


82/117


Fig. 2.12.#Parametrii tehnologici i de reprezentare


& cote%e *r!'!nd %un/!m!%e t!e! +!%ette "! t!e! "uruu%u! #&u determ!nt ,!n2nd cont de/ro#!me *!u%!,e! m 8 mm S)*S +$#$,-3 "! *%t( S)*S /#00,-3 "! roZerS)*S 1222,#3G

& d!men#!un!%e "uruu%u! u +o#t *re%ute d!n S)*S 5#1#%10.G

& ru/o?!tte de *re%ucrre %e?e%or +%n"e%or ) "! 1 R 60 [


Dn ce#t c? '2nd n 'edere c( mode%u% de c%cu% e#te #!m*%u t2t c nc(rcre *recum c"! +orm( #ec,!un!! nu #e !m*une 'er!+!cre cu *c$etu% de c%cu% M=ESIN.

+*(- Pro!ectre %e/(tur!%or 11&1-91-:

85


83/117

+*(-*( Pro!ectre %e/(tur!! 11&1-91-: ,e'(&,e'( *(trt(


S( #e *ro!ecte?e %e/(tur #m%re3 ,e'!%or *(trte concentr!ce *o?!,!!%e 11 "! 1- "! 11 "!1-: d!n +!/. -.10.1 cu +unc,! *r!nc!*%( de trn#m!tere *r!n +orm( contct3 #rc!n!%or F


84/117

a

bFig. 2.13.1.1 Schema funcional%constructiv a legturilor eav%eav cu profil

ptrat: a' integrare 4n ansamblu; b' schema de 4ncrcare


E%emente%e 11 "! 1-91-: #unt !nc%u#e n #un#m%e #udte "! dec! *entru ce#te #& %e#mter!% #ud!% o,e% S-05 con+orm SR EN 1-5&- STAS 59-3.


87


85/117

Fig. 2.13.1.2Parametri geometrici ai asamblrii


& *entru #!/urre +unc,!on(r!! #e !m*une re%!?re contctu%u! con+orm *e #u*r+,emr!3 d!ntre ,e'!%e 11 "! 1-91-: cre #e re%!?e?( *r!n montu% cu oc % ce#tor


& ,e'!%e *(trte !nter!or( "! e>ter!or( d!men#!ont(. n #uc* -.1 u d!men#!un!%e $11 5 mm t11 5 mmG $1- 4 mm t5 5 mmG

O1s.

& d!men#!un!%e #m%(r!! cu o%, #e 'or determ!n #!m!%r c n #uc*. -.10.-.


(pote)e i relaii de calcul:Le/(tur #m%re3 d!ntre ,e'!%e *(trte 11 "! 1- e#te #!m!%r( cu %e/(tur d!ntre ,e'!%e 5 "!6 trtt( n #uc*. PRC&A.-.1.- cu urm(tore%e deo#e!r!& nc(rc(r!%e e>ter!ore #unt F trn#'er#%( n %oc de

H

88


86/117

a b

Fig. 2.13.1.3 Similitudinile modelelor de calcul: a' legtura dintre evile / i 2;b' legtura dintre evile $$ i $#

Ace#te deo#e!r! nu !m*%!c( mod!+!c(r! %e mode%u%u! de c%cu% "! dec! #e men,!n ce%e"!!*ote?e "! re%,!! de d!men#!onre n cre #e mod!+!c( dor !nd!c!! #oc!,! mod!+!c(r!!#!#temu%u! de coordonte H a a H3 "! e%ementu%u! de ?( 6 a 113

cre du*( n%ocu!re '%or!%or *rmetr!%or cuno#cu,! de'!n)6 L-&458 L&1-06)6 L-&444 L&--788.

"! u #o%u,!!%e *o?!t!'e m>!me 04- mm "! re#*ect!' 1576 mmG #e do*t(L %11 5 mm


8)


87/117

Fig. 2.13.1.#Parametri tehnologicie i constructivi


& d!metru% %e?u%u! =5 8 mm #e determ!n( c urmre c%cu%u%u! #m%(r!! cuo%, d!n #uc*. -.10.-

& /ur de o%, #e *%!c( % *rte !n+er!or( % d!#tn, 15=5G

& u#tu% /ur(&o%, @1-9$1G

& ru/o?!tte #u*r+e,e%or +ront%e R 60 [mG ru/o?!tte %e?u%u! R 0- [m


Maximum value of the normal stress

)


88/117

Salient point Tension-pressure-stress

zdN/mm


of Mymax (Mmax)

max

N/mm


of Mzmax (Mmax)

max

N/mm


of normal stress

res

N/mm

P1 0.44 28.57 -63.12 -34.11P2 0.44 0.00 -63.12 -62.68P3 0.44 -28.57 -63.12 -91.25

P3* 0.44 -28.57 -63.12 -91.25P4 0.44 -28.57 0.00 -28.12P5* 0.44 -28.57 63.12 35.00P5 0.44 -28.57 63.12 35.00P6 0.44 0.00 63.12 63.57P7 0.44 28.57 63.12 92.14P7* 0.44 28.57 63.12 92.14P8 0.44 28.57 0.00 29.01P1* 0.44 28.57 -63.12 -34.11

M>!mum com!ned c$rcter!#t!c o+ t$e norm% #tre## Po#!t!on > . mm Amount re#m> )-.106 N9mm_


e" 7.)05 N9mm_

Com*r%e #tre## (x )-.106 N9mm_

S+et /!n#t %e S+ -.551

Re#u%t!n/ m>!mum de+%ect!on . mm

+*(-*+Pro!ectre %e/(tur!! 11&1-91-: #m%re *r!n o%,

)1


89/117


S( #e *ro!ecte?e #m%re3 cu o%, c!%!ndr!c dou( ,e'! *(trte concentr!ce *o?!,!!%e 11"! 1-91-: d!n +!/. -.10.-.1 cu +unc,! *r!nc!*%( de trn#m!tere *r!n +orm( +or,e! FH#Speci)ica0ii impusea. For, e>ter!ore FH 5 NG FH# FH9- -5 NG

b. T!*u% #rc!n!! #tt!c(c. =te de#*re #m%re ,e' *(trt( !nter!or( re d!men#!une $1- 4 mm "! /ro#!met1- 5mm #uc*. -.13G ,e' *(trt( e>ter!or( re d!men#!une $11 5 mm "!/ro#!me t11 5 mm #uc*. -.13G

d. T!*u% %e/(tur!! #m%(r!!3 cu contct con+orme. Cond!,!! de +unc,!onre tem*ertur T & 0oC4oCG med!u de %ucru e>ter!or cu

ume?e%( 'n#t(f. Cond!,!! con#truct!'e !nter#c$!m!%!tte "! modu%r!?reg. Cond!,!! eco%o/!ce ut!%!?re de mter!%e "! te$no%o/!! eco rec!c%re mter!%e%or

*rotec,! '!e,!!

Fig. 2.13.2.1Schema funcional%constructiv a asamblrii cu bol a evilorptrate concentrice: a' integrare 4n ansamblu; b' schema de 4ncrcare


)-


90/117

Pentru e%emente%e 11 "! 1-91-: #& %e# mter!% #ud!% o,e% S-05 con+orm SR EN1-5&- STAS 59-3

;o%,u% #e ' e>ecut d!n o,e% *entru con#truc,!! mecn!ce E-)5SR EN 1-59-53


Fig. 2.13.2.2Parametri geometrici ai asamblrii cu bol


& #m%re cu o%, #e *o?!,!one?( % cote%e 11"! 1-de c*ete%e ,e'!%or 11 "! re#*ect!'1-G

& #e ' re%!? #m%re trn#'er#%( *r!n m!! *ere,! ,e'!%or

'ara!etrii geo!etrici principali& = X d!metru% o%,u%u! '%ore #tndrd3G& 11X *o?!,! /(ur!! n ,e' 11G& 1-X *o?!,! /(ur!! n ,e' 1-



& +or, FH# #e trn#m!te *r!n +orm( contct d!rect3 de % ,e' 1- % o%, *r!n dou( #u*r+e,e#em!c!%!ndr!ce *e cre dtor!t( ocu%u! e>!#tent m(r!t #e con#!der( c *r *re#!un! de#tr!'!re cu d!#tr!u,!e co#nu#o!d%( cu m>!mu% *1-G

)0


91/117

% +or, FH# #e trn#m!te *r!n +orm( contct d!rect3 de % o%, % ,e' 11 de #emene *r!ndou( #u*r+e,e #em!c!%!ndr!ce *e cre dtor!t( ocu%u! e>!#tent redu# #e con#!der( c( *r

*re#!un! de #tr!'!re cu d!#tr!u,!e un!+orm( cu m>!mu% *11.

Date cunoscute:

& de#*re nc(rcre FH# -5 N X +or, trn#'er#%( *e o%,

& de#*re mter!%e - -05 MPX ten#!une %!m!t( de cur/ere mter!%u%u! ,e'!!G Y# 68 MP X ten#!une dm!#!!%( % #tr!'!re #e do*t( Y# 6 MP *entru o,e%u%S-05 cu %!m!t % cur/ere m! m!c(3G ^+ 7 MP ten#!une dm!#!!%( % +or+ecre

Fig. 2.13.2.3Schema de calcul

"elaii de calcul:Cond!,! de re?!#ten,( % #tr!'!re #m%(r!! cu o%,Pre#!un!%e m>!me de contct *e #u*r+e,e%e o%,u%u! #e %!m!te?( #e %!m!te?( % '%oreten#!un!! dm!#!!%e de #tr!'!re m ter!%e%or n contct

)4


92/117

=!men#!onre #m%re cu o%,=!n re%,! AS;&A.-.0.4.1 #e o,!ne d!metru% nece#r % o%,u%u!

m> 117G 753 AS;&A.-.0.4.-3

Se do*t( d!n con#!derente te$no%o/!ce dr "! de !nter#c$!m!%!tte =1- 8 mm.

Ver!+!cre o%, % +or+ecre

6 MP


Fig. 2.13.2.#Parametrii de reprezentare

A%e/ere o%,u%u! #e ' do*t o%, n +orm #tndrd S)*S /1/5,$ "! S)*S /1/23 cud!metru% e>ter!or % *or,!un!! c!%!ndr!ce 8$1 mmKAu#te "! to%ern,e @1-9$1 *entru ,e' 11 "! o%,G e>ecu,!e m!%oc!e /(ur!! d!n ,e' 1-.Ru/o?!t(t! %e?u% d!n ,e' 11 #e ' %e? R 0- [mG %e?u% d!n ,e' 1- #e ' re%!?

*r!n /(ur!re R 60 [m.O1s*



93/117

Buil"in! ase ( + -For ;end!n/ S 10.-5 -6.51 -6.51For S$er!n/ St -6.51 -6.51 -6.51For Sur+ce Pre##ure Po%e3 S*# 0).07 0).07 0).07For Sur+ce Pre##ure +or3 S*/ 0).07 0).07 0).07

M>. Norm% Stre## C$ee Pro+!%e3 Z 1.)8 N9mm_A%%oZ%e Norm% Stre## C$ee Pro+!%e3 Z?u% 117.5 N9mm_

U%t!mte Stren/t$ +or Cro##o%t Rm 06. N9mm_ +or de++ 1. mm 3U%t!mte Stren/t$ +or For Rm 06. N9mm_ +or de++ 1. mm 3U%t!mte Stren/t$ +or Po%e Rm 06. N9mm_ +or de++ 1. mm 3H!e%d!n/ Po!nt +or Po%e Re -05. N9mm_ +or de++ 1. mm 3

+*(8 Pro!ectre e%ementu%u! 10910: t!rnt #t2n/9dre*t3


S( #e *ro!ecte?e t!rntu% #t2n/9dre*t *o?!,! 10910: d!n +!/. PRC&A.1.-.0.1.1 cu +unc,!

*r!nc!*%( de trn#m!tere #rc!n!%or +or,e "! momente3 de % co%on *o?!,! 1-91-: %co%on ).$pecificaii i!puse:a* For,e%e e>ter!ore Fter!or cu

ume?e%( 'n#t(Ge* Cond!,!! con#truct!'e mter!%e #ud!%eG)* Cond!,!! de eco%o/!e ut!%!?re de mter!%e "! te$no%o/!! eco rec!c%re mter!%e%or

*rotec,! '!e,!!.

)6


94/117

a

bFig. 2.1#.1 Schema funcional%constructiv a elementelor de tip tirant solicitat

excentric: a' integrare 4n ansamblu; b' schema de 4ncrcare

)7


95/117


Se do*t( o,e% #ud!% S-05 con+orm SR EN 1-5&- STAS 59-3.


Fig. 2.1#.2Parametri geometrici3funcionali i constructivi

Caracteristici i restricii funcionale i constructive:& #e do*t #em!+r!ct de t!* *%tnd( cu d!men#!un!%e #ec,!un!! L10"! /ro#!me /G

doptarea para!etrilor geo!etrici funcionali i constructivi:& #e do*t( *orn!nd de % d!men#!une cordonu%u! de #udur( 45 mmG& #e do*t( 76 mmG 1- mm



& #e ne/%!e?( momentu% de nco'o!ere /enert de +or, F? $00/+. #e do*t( #em!+r!ct de t!* *%tnd( o,e% %t3 cu 1 mm "!$ 8 mm.

))


97/117

Fig. 2.1#.3(odelul de calcul

1


98/117


Fig. 2.1#.#Parametrii tehnologici i de reprezentare


& num(ru% de r2ndur! /(ur! "! dec! cur# de re/%re #e 'or determ!n ,!n2nd cont ded!#tn, d!ntre /(ur! de 76G

& d!metru% /(ur!! de trecere *entru "uruur!%e de +!>re #&e determ!nn( n urm c%cu%u!#m%(r!! cu "uruur!G

& ru/o?!tte de *re%ucrre R 60 [m.



stress

zd

N/mm


of Mymax (Mmax)

maxN/mm


of Mzmax (Mmax)

maxN/mm


of normal stress

resN/mm

P1 1.67 382.54 4.17 388.38P2 1.67 0.00 4.17 5.84

11


99/117

P3 1.67 -382.54 4.17 -376.70P3* 1.67 -382.54 4.17 -376.70P4 1.67 -382.54 0.00 -380.87P5* 1.67 -382.54 -4.17 -385.05P5 1.67 -382.54 -4.17 -385.05P6 1.67 0.00 -4.17 -2.51P7 1.67 382.54 -4.17 380.03P7* 1.67 382.54 -4.17 380.03

P8 1.67 382.54 0.00 384.21P1* 1.67 382.54 4.17 388.38

M>!mum com!ned c$rcter!#t!c o+ t$e norm% #tre## Po#!t!on > -. mm Amount re#m> 088.08 N9mm_


re# 1.17- N9mm_

Com*r%e #tre## '> 088.08 N9mm_

S+et /!n#t %e S+ .65


1-


100/117

+*(9 Pro!ectre %e/(tur!! 1-&1091-:&10: m!nre #udt(3


S( #e *ro!ecte?e m!nre #udt( co%one! #t2n/9dre*t 1-91-: cu t!rntu% #t2n/9dre*t10910: d!n +!/. -.15.1cu +unc,! *r!nc!*%( de trn#m!tere #rc!n!%or F


101/117

Fig. 2.1-.1 Schema funcional%constructiv i de 4ncrcare a 4mbinrii sudate %cazul 5 $#%$-;$#B%$-B.


E%emente%e 1- 10 "! 1-: 10: +orme?( #un#m%ur! #udte "! dec! *entru ce#te #&%e# mter!% #ud!% o,e% S-05 con+orm SR EN 1-5&- STAS 59-3


Fig. 2.1-.2Parametri geometrici ai 4mbinrii sudate14


102/117

Caracteristici i restricii funcionale i constructive& #e !m*une #!/urre *er*end!cu%r!t(,!! e%emente%or #udte

'ara!etrii geo!etrici principali

& /ro#!me cordonu%u! de #udur( e#te m m!c( dec2t /ro#!me *erete%u! ,e'!! t1- 5 mm



& deorece nc(rcre e>ter!or( e#te com*u#( d!n #rc!n! mu%t!*%e "! mode%u% de c%cu% recom*%e>!tte m(r!t( *entru c%cu%u% c%#!c #e con#!der( un mode% #!m*%!+!ct cre ! ncon#!derre nc(rcre cu #rc!n!%e m>!me +or, F


103/117

& Cond!,! de re?!#ten,( % +or+ecre #udur!!Ten#!un!%e de +or+ecre dtorte +or,e! F


104/117

Mter!% de#!/nt!on S-05JR-U%t!mte #tren/t$ R m 06. N9mm_H!e%d!n/ *o!nt R e -4. N9mm_

Note%Stt!c *roo+ 1.5e&1 1

-.16 Pro!ectre e%ementu%u! 090: #u*ort #t2n/9dre*t3


S( #e *ro!ecte?e #u*ortu% #t2n/9dre*t *o?!,! 090: d!n +!/. -.16.1 cu +unc,!*r!nc!*%( de trn#m!tere #rc!n!%or +or,e "! momente3 de % t!rntu% *o?!,! 10910: % +%n,de +!>re de *e "#!u.

$pecificaii i!puse:a* For,e%e e>ter!ore F


105/117

M0 FHL-\ L4\ L639- \ F< L59- 66-5 NmmMH0 F


106/117

b

Fig. 2.1.1 Schema funcional%constructiv a elementelor de tip coloansolicitat excentric: a' integrare 4n ansamblu; b' schema de 4ncrcare


Se do*t( o,e% S-05 con+orm SR EN 1-5&- STAS 59-3.


Fig. 2.1.2Parametri geometrici3funcionali i constructivi

Caracteristici i restricii funcionale i constructive:e do*t #em!+r!ct de t!* *%tnd( cu d!men#!un!%e #ec,!un!! 1 10 1 mm "!

/ro#!me / 8 mmGdoptarea para!etrilor geo!etrici funcionali i constructivi:

e do*t( 76 mmG 1- mm ce%e"! d!men!un! de *o?!,!onre /(ur!%or c n c?u%t!rntu%u! 10.

1)


107/117


(pote)e de calcul i solicit,ri:& mode%u% de c%cu% e#te o r( dre*t( nc#trt( #o%!c!tt( % trc,!une de +or, F # G %

nco'o!ere o%!c( de #rc!n!%e Ft( *e "#!uG& deorece mode%u% de d!men#!onre cu %ure n con#!derre tuturor #o%!c!t(r!%or e#te de

com*%e>!tte m(r!t( n cont!nure #e do*t( un mode% #!m*%!+!ct cre ! n con#!derre#o%!c!tre *r!nc!*%( de nco'o!ere dt( de +or, FH#"! momentu% M M


108/117

488 mm

d!n 6>? $00/+.#e do*t( #em!+r!ct de t!* *%tnd( o,e% %t3 cu 1 mm "! $ 6 mm.


Fig. 2.1.3Parametrii tehnologici i de reprezentare

"eco!and,ri pentru adoptarea para!etrilor te&nologici i de repre)entare:&num(ru% de r2ndur! /(ur! "! dec! cur# de re/%re #e 'or determ!n ,!n2nd cont de d!#tn,d!ntre /(ur! 76 mm3 dr "! de /r!tu% !n+er!or de ru%reG&d!metru% /(ur!! de trecere *entru "uruur!%e de +!>re #e determ!nn( n urm c%cu%u!#m%(r!! cu "uruur! n #uc*. -.17&ru/o?!tte de *re%ucrre R 60 [m.



stress

zdN/mm


of Mymax (Mmax)

max

N/mm


of Mzmax (Mmax)

max

N/mm


of normal stress

res

N/mm

P1 1.67 470.43 9.78 481.88P2 1.67 0.00 9.78 11.45P3 1.67 -470.43 9.78 -458.98P3* 1.67 -470.43 9.78 -458.98P4 1.67 -470.43 0.00 -468.76P5* 1.67 -470.43 -9.78 -478.55P5 1.67 -470.43 -9.78 -478.55

P6 1.67 0.00 -9.78 -8.12P7 1.67 470.43 -9.78 462.31P7* 1.67 470.43 -9.78 462.31P8 1.67 470.43 0.00 472.10P1* 1.67 470.43 9.78 481.88

M>!mum com!ned c$rcter!#t!c o+ t$e norm% #tre## Po#!t!on > -5. mm Amount re#m> 481.87) N9mm_M>!mum com!ned c$rcter!#t!c o+t$e #$er #tre##

re# 1.174 N9mm_

Com*r%e #tre## '> 481.87) N9mm_

111


109/117

S+et /!n#t %e S+ .488


-.17 Pro!ectre %e/(tur!! 10&0910:&0: #m%re *r!n "uruur!3


S( #e *ro!ecte?e #m%re cu "uruur! #o%!c!tte com!nt >!% "! trn#'er#%3 cre %e/(t!rntu% 10910: de #u*ortu% 090: +!/. -.17.1cu +unc,! *r!nc!*%( de trn#m!tere #rc!n!%or+or,e "! momente3

$pecificaii i!puse:a* For,e%e e>ter!ore F


110/117

A

1

Fig. 2.1/.1 Schema funcional%constructiv a asamblrii: a' integrare 4nansamblu; b' schema de 4ncrcare


Se do*t( *entru "uruur! d!n mter!%e !nc%u#e n /ru* de crcter!#t!c! 6.8110


111/117

S!mo%ur!%e /ru*e%or de crcter!#t!c! mecn!ce u?u%e *entru "uruur! #unt 0.6 4.6 4.85.6 5.8 6.8 8.8 1.) 1-.)Gsemnificaie *r!mu% num(r > 1 re?!#ten, % ru*ere m!n!m(Yrm!n3 n MP "! *r!mu% num(r > num(ru% % do!%e > 1 %!m!t % cur/ere con'en,!on%( Y-3n MP e>. *entru /ru* 6.8 Yr m!n 6 > 1 6 MP Y- 6 > 8 > 1 48 MP3 G


Fig. 2.1/.2Parametri geometrici3funcionali i constructiviCaracteristici i restricii funcionale i constructive:

&e%emente%e 10 "! 0 u +o#t d!men#!onte n #uc*. -.14"! -.16"! #& +o%o#!t *%tnd( cu

%(,!me 1 mm "! /ro#!me $ 6 mmG

doptarea para!etrilor geo!etrici funcionali i constructivi:&/(ur!%e de trecere "uruur!%or cu d!metru% =1#e 'or d!#*une n co%,ur!%e unu! *(trt cu

%tur L 76 mm #uc*. -.163



& trn#m!tere #rc!n!%or de % t!rntu% 10 % #u*ortu% 0 #e +ce *r!n !ntermed!u% t!e%or ce%or*tru "uruur! "! *r!n +!%ete%e ce#torG *entru c%cu%u% de d!men#!onre #e !m*une!dent!+!cre #m%(r!! cu "uru ce m! #o%!c!tt( *r!n ?t *e *r!nc!*!u% #u*er*o?!,!e!c,!un!! +or,e%orG

& +or, F!% centr!cG momente%e M0"! MH0 #o%!c!t( #m%re >!%e>centr!cG +or,e%e FH# F#"! momentu% M


112/117

& de#*re nc(rcre Fcentr!c

01) N 01) N

000 N 000 NG

& +or,e%e d!n "uruur! /enerte de re?u%tnt +or,e%or FH# "! F# 3 cre#o%!c!t( #m%re trn#'er#% centr!c

115


113/117

-7)5 N -7)5 N

-7)5 N -7)5 NG

-+or,e%e d!n "uruur! /enerte de momentu% MH0 cre #o%!c!t( #m%re trn#'er#%centr!c

56-) N 56-) N

56-) N 56-) NG@alculul forelor axiale totale din uruburi:

75560) N

71)8 N

68)660 N

7400-- NG

Dnc(rcre m>!m( F" m> 3 75560) N !nd!c( c( "uruu% 1 +!/.-.17.0 3 e#te ce% m! #o%!c!tt "! ' +! d!men#!ont con+orm c%cu%u%u! de re?!#ten,(.

Calculul de re)isten,& d!men#!onre "uruu%u! ce% m! #o%!c!tt d!n cond!,!( de re?!#ten,( % trc,!une 11 3

*re#u*une determ!nre d!metru%u! !nteror % +!%etu%u! nece#r

A75) mm

d!n STAS 51&74 #e do*t( 3 *rmetr!! +!%etu%u! d1 8076 mm d- )-6 mm d 1 mm M13 * 15 mmG #e do*t( d!n STAS 81-190&74core%t cu d!men#!une +!%etu%u! M13 d!metru% /(ur!! de trecere =1 11 mm e>ecu,!em!%oc!e3G #e do*t( d!n STAS 81-190 *!u%!,( M1 cu m 8 mm "! S 17 mmG& momentu% de n"urure #tr2n/ere3 "uruu%u! ce% m! #o%!c!tt

85-7 Nmm

unde #& con#!dertG 00oX un/$!u% med!u % +!%etu%u! [ - Xcoe+!c!entu% de +recre d!n +!%et b 6oX un/$!u% *ro+!%u%u! +!%etu%u! metr!c& momentu% de c,!une % c$e!e *entru #tr2n/ere *!u%!,e!

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Mm \ 145-7 NmmGunde #& con#!dert [1 15 X coe+!c!entu% de +recre d!ntre *!u%!,( "! +%n" *e cre #e "e?(ce#tG

O1s*& *entru c%cu%u% de re?!#ten,( #& con#!dert c?u% ce% m! de+'or!% cre *re#u*une c,!une

tuturor +or,e%or e>ter!ore *entru #e e'!t de#c(rcre #m%(r!! "! dec! ne#!/urrecond!,!e! de trn#m!tere +or,e%or F< "! F"! momentu%u! MH0*r!n +recreG

& deorece #& do*tt *!u%!,( cu +!%et #tndrd!?t nu m! +o#t nece#r c%cu%u% de re?!#ten,( +!%etu%u! ce#t +!!nd nde*%!n!t(( *r!n con#truc,!eG

& n c?u% +!%ete%or metr!ce nu #e !m*une 'er!+!cre cond!,!e! de uto+!>re ce#t +!!nd#!/urt( *r!n con#truc,!e


Fig.2.1/.#Parametri tehnologici i de reprezentare"eco!and,ri pentru adoptarea para!etrilor te&nologici i de repre)entare:

& cote%e *r!'!nd %un/!m!%e t!e! +!%ette "! t!e! "uruu%u! #&u determ!nt ,!n2nd cont de/ro#!me *!u%!,e! m 8 mm S)*S +$#$,-3 "! *%t( S)*S /#00,-3"! roZer 1222,#3G& d!men#!un!%e "uruu%u! u +o#t *re%ute S)*S 5#1#%10G

& ru/o?!tte de *re%ucrre %r?e%or *!e#e%or 0 "! 10 R 60 [m


Dn ce#t c? '2nd n 'edere c( mode%u% de c%cu% e#te #!m*%u t2t c nc(rcre *recum "! c+orm( #ec,!un!! nu #e !m*une 'er!+!cre cu *c$etu% de c%cu% M=ESIN.

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=ESENE

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11)


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Date post:	17-Feb-2018
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Memoriu Tehnic Proiect OM I-2013 Vrajotis Andreas

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