Transportoare Cu Raclete -Uia 3

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  UNIVERSITATEA POLITEHNICA DIN BUCURESTIFACULTATEA DE CHIMIE APLICATA SI STIINTA MATERIALELORUTILAJE IN INDUSTRIA ALIMENTARA IIIINDUSTRIA ULEIULUITRANSPORTOARE CU RACLETE 2018  1.Principii d ! nc#i$n%r &i d$'nii d ()i*%r D p+ principi ) d ! nc#i$n%r ,r%n-p$r,$%r) c r%c), - nc%dr%*+ n c%,/$ri%,r%n-p$r,$%r)$r c ! nc#i$n%r c$n(n +. L%n# ) c r%c), p$%,  p%r#i%) -% ,$,%) n/r$p%, n-%rcin% +r-%,+ c%r 'p) p%r#i%) -c#i n% /3%4 ) i. S%rcin% -, %n,rn%,+ d r%c), &idp)%-%,+ 'pr n+ c %c-,%5 n,r6 n 7  c$n(n 5 n '+- r% n c%r !$r#) d !rc%rin,rn n,r p%r(c ) &i !$r#) d !rc%r %) -%rcinii c $r/%n ) d ,r%c#i n nin/ r*i-,n#%d%,$r%,+ !rc+rii '%,ri%) ) i c pr,) /3%4 ) i.Tr%n-p$r,$%r) c r%c), - ()i*%*+ pn,r 9 6 ,r%n-p$r, ) -%rcini)$r +r-%, n in,ri$r ) -c#ii)$r d pr$d c#i : 6 ,r%n-p$r, ) -%rcini)$r c c r/r )i4r+ ;/r%i,%#i$n%)+<5 d-c+rc%r% -i)$* ri)$r &i 'p)r%dp$*i,)$r: 6 d$*%r% $) 'ic+ &i %'-,c%r% pr)i'in%r+ % di!ri#i)$r in/rdin#i: 6 $pr%#ii d nc+rc%r d-c+rc%r % %/$%n)$r d c%) !r%,+ &i % %p$%r)$r. S%rcini) ,r%n-p$r,%, - n,9 cr%) &i pr$d - pr) cr%, din %c-,%: in/rdin,) n ,r# ri)$rc$'4in%,: -'in# $)%/in$%-: '%)#: -%r: *%3+r: c%!%: c%c%$ ,c.Pr$d c(i,%,% %c-,$r ,r%n-p$r,$%r p$%, %(n/ 200 ,=35 pn,r ,r%- c ) n/i'i d p>n+ )%100 '. ?n+)#i'% p r(c%)+ % ,r%n-p$r,$%r)$r n dp+&&, @0 '. In ! nc#i d n%, r%-%rcini)$r &i d pr$d c(i,%,5 i,*% )%n# ) i p$%,  052605 '=-. Tr%-) d ) cr p$, %ri%,9 ,r%- $ri*$n,%) ;/..1%<: ,r%- c$'4in%, $ri*$n,%) c r(c%) ;/. .14<: ,r%-  nc)in%,. In c%* ) ,r%-)$r nc)in%, n/3i ) d nc)in%r p$%,  @0 60 /r%d .%<  Tr%n-p$r,$%r) c r%c), p$,  -,%#i$n%r -% dp)%-%4i). C) dp)%-%4i) - n, !$)$-i,pn,r $pr%#ii d nc+rc%r5 d-c+rc%r n dp$*i, &i 3ic ) d ,r%n-p$r,. P$, ! nc#i$n% c di!ri, n/3i ri d nc)in%r5 nc)in%r% ,r%n-p$r,$r ) i p ,>nd 6- r/)%.A%n,%) %c-,$r ,r%n-p$r,$%r c$n-,% n ,r%n-p$r, ) -%rcini)$r n -p%#ii nc3i- !+r+ pr%!:p$-i4i)i,%,% nc+rc+rii &i d-c+rc+rii /r%i,%#i$n%)5 !+r+ !$)$-ir% n$r di-p$*i( -pci%) ndi!ri, p nc, p ) n/i'% ,r%n-p$r,$r ) i: p$-i4i)i,%,% ,r%n-p$r, ) i -%rcini)$r p ,r%-c$'4in%, !+r+ - pr%nc+rc%r% p nc,)$r n c%r - '$dic+ -n- ) d dp)%-%r: ri/idi,%,%c$n-,r c#ii /3%4 ) i: -i'p)i,%,% c$n-,r c#ii %n-%'4))$r ,r%n-p$r,$r ) i5 pr$d -) n,r%n-p$r,$r n - %'-,c+ &i n - -p%r+. D*%%n,%) %c-,$r ,r%n-p$r,$%r c$n-,% n pr#d c$-, ridic%,5 c$n- ' '%r d nr/i5 * r+ r)%( '%r % )%n# ) i d$%rc ) ) cr%*+ !+r+c r/r5 -c ! nd%, n '%-% '%,ri%) ) i.Tr%n-p$r,$r ) c r%c), p$%,  !$)$-i, pn,r '%,ri%) c%r c r/ &i n6% di'n-i ni '%ri: )%r /%4%ri, 'ic &i n d*$),+ pr%!. Di-,%n#% d ,r%n-p$r,%, -, d '%i' ' 10 ' &i,r%n-p$r,+ %, n p)%n $ri*$n,%) c>, &i n c) $4)ic &i r(c%).  2.C$n-,r c#i% ,r%n-p$r,$%r)$r c r%c), Tr%n-p$r,$r ) - c$'p n din n ) -% d$ + /3%4 ri %, )% c%dr ) . E)'n, ) d,r%c#i n -, c$n-,r i, din,r6$ prc3 d )%n# ri 5 )% c%r - n, %, r%c),) . L%n# ri) n!+&$%r+ r$#i) d )%n# '$,$%r @ &i p c) d n(ndr G. Ac#i$n%r% r$#i)$r '$,$%r -r%)i*%*+ prin ,r%n-'i-i% 'c%nic+ c$'p -+ din '$,$r )c,ric 205 rd c,$r 215 c p)%)225 ,r%n-'i-i% c r$#i din#%, 1 c %n,rn%*+ %r4$r) 1G p c%r - %7+ r$#i) -,)%,'$,$%r5 c%r - c ,+ c  -% 8 din#i. ?n(ndr% )%n# ) i - r%)i*%*+ c % ,$r )di-p$*i( ) i d n(ndr c & r 4 105 c%r %c#i$n%*+ %- pr% c%-,)$r )%/+r)$r 115 n c%r- r%*'+ %r4$r) r$#i)$r d n(ndr. R$)) )%n# ) i /3id%*+ p &in)  - d%, dpr$)) U -% L5 c%r )% r>nd ) )$r - n, %, d c%dr ) ,r%n-p$r,$r ) i. Or/%n ) d,r%c#i n -, c$n-(, i, din )%n# ri d di!ri, c$n-,r c#ii5 n -pci%) )%n# ri %r(c )%, c c)i- &i 4 c& -% )%n# ri %r(c )%, c c)i- 4 c& &i r$): )%n# ri d ,r%c#i n c *%)d'$n,%4i) , rn%, -% '%,ri#%, p c%r - '$n,%*+ r%c),). In n) c%* ri5 r%c),)- n, !$r%, 'pr n+ c c)i-) )%n# ) i. In c%* ) )%n# ri)$r %r(c )%, p%- ) )%n# ) i -, d200600 ''. P%- ) )%n# ) i nind /%) c c) %) r%c),)$r5 ) n/i'% ,$,%)+ %  lanţului
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