proracun_klizni_lezaj
DESCRIPTION
primjer proracuna kliznog lezajaTRANSCRIPT
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KLIZNI LEŽAJZADANI PODACIF 15000 Nn 500 min-1temperatura zraka 30 C!A"E#IJAL $LAZINICE%OLO&NO KO'I"#ENA $#ONCA L( P) 'n 5*
ta+i,te 30 Ctemperatura +i.e/an.a 50 C2pu,teni ,r priti,ak p,2p 3 N4mm6EO!E"#IJA LEZAJAinek, +eza.a . 1
370 C,irina +eza.a )8pre+2zak 5 mmpr2m.er /rati+a 8pre+2zak 5 mm
095pr2m.er /rati+a 7:3157 mm
usvojeni promjer vratila d 5 mm,irina +eza.a ) 10573159 mmusvojena sirina lezaja b 5 mm
1ukupna sirina buk 5 mm,ren.i priti,ak p, 777777777 N4mm#ELA"I&NA Z#ACNO'"2)2na )rzina u 1975 m4,
00013OD'";PANJA #;KA&ACAa( -5 <ma -9 <m
" 19 <mOD'";PANJA P#O&#"AA( 30 <mA 0 <m
"D 30 <mZ#ACNO'"Izm 5 <mz/ 1 <mz,r 100 <m
'"&A#NA #ELA"I&NA Z#ACNO'"=m 0001=/ 000175= 0001376#ANICNI ;&JE"I(rani>na 2)2na )rzina u(ran 0751 m4,(rani>na kutna )rzina ?(ran 1 ,-1(rani>na e)+.ina u+.n2( @+ma 0(ran <m
2)u/atni kut B
re+ati/na ,irina +eza.a
stvarna relativna sirina λ
prep2ru>ena re+ zra>n2,t =
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(rani>na re+ati/na e)+.ina u+.n2( @+ma 0(ran 00:000101 <m(rani>ni re+ati/ni ek,>entri>itet (ran 0919599:99 <m(rani>ni '2mmere+2/ )r2. '2(ran 13NAJ!ANJI DINA!IGKI &I'KOZI"E"
0007977;GIN 6;$I"AKA "#ENJA
na./eHi '2mmere+2/ )r2. '2ma 33333333330:0:
00010713333313
OD&OENJE "OLINE KON&EKCIJO! NA OKOLNI Z#AK akt2r ra,+ane p2/r,ine L 5ra,+ana p2/r,ina +eza.a AL 01075 mk2e@>i.ent pr2+aza t2p+ine k 15
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:119797K#I&;LJA "OPLIN'KE #A&NO"EŽE
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0 50 mPa,ra 5: Cra 9 mPa,'"#I$ECKO&A K#I&;LJA?pr 11390313 ,-1?pr 190: ,-1
min
na./e>i re+ati/ni ek,>entir>itet mana.man.i 2m.er %<4=*mink2e@>i.ent tren.a za min-<minu>in (u)itaka tren.a za min-Pmin
temperatura 2k2+n2( zraka M0 C
temperatura Mmin C
ZA M10CM1
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DOP;'"ENA "E!PE#A";#A ;LJA M2pM2p C
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?pr113903
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? 5333333333 ,-1
za .en2,trani +eza.
R p,2p ZADO&OLJA&A
prema DIN 317543 "a)+i>a 1
prema "a)+i>i
prema "a)+i>i
prema "a)+i>i
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:119797 000797
0 00:90 00707
05 Pa,
009 Pa,
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?1 ? ?3 ?ra1 15 17 1
1309:73 1515: 11337973 1070707 05: 057 053 3 3 39
00010703 000573 000::9 0009
?1 ? ?3 ?ra1 15 17 1
11570737 10:95 101151995 973093 09 091 09
0: 09 1 1100007030151 00007: 0000537:: 0000:9
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:1197973 -0
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Krivulja toplinske ravnoteže
temperatur
η
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90
007059:5
a [ °C ]