Roj rau kev kub ceev bearings: piav qhia, yam ntxwv thiab muaj pes tsawg leeg

2024 Tus sau: Erin Ralphs | [email protected]. Kawg hloov kho: 2024-02-19 16:11

Nws tsis pub leejtwg paub tias kev saib xyuas kom zoo thiab tsis tu ncua ntawm cov kabmob muab qhov tseem ceeb ntawm kev pabcuam lub neej ntawm cov khoom no, uas yog ib feem tseem ceeb ntawm tag nrho cov tshuab tsheb. Cia peb xav ntxiv txog cov yam ntxwv ntawm cov khoom siv los ua lubricants rau bearings, nrog rau lawv ntau yam thiab siv kom raug.

Lube yog dab tsi?

Lub hom phiaj tseem ceeb ntawm kev kub ceev bearing greases yog tias cov khoom no tiv thaiv kev sib txhuam ntau dhau, nrog rau overheating ntawm cov lus nug. Raws li qhov txiaj ntsig ntawm kev muab kev tiv thaiv zoo li no, lub sijhawm hnav ntawm qhov chaw, vim tias lawv ua tsis tiav, raug tshem tawm ntau heev.

Cov khoom lag luam hauv nqe lus nug tuaj yeem siv tau los ntawm kev sib txhuam ceev nrawm thiab dov bearings, nrog rau cov uas qhia ntau yam mechanisms.

Ua tus yam ntxwv dav dav ntawm lubricants rauhigh-speed bearings, nws yuav tsum tau muab sau tseg tias tag nrho cov khoom ntawm no series muaj qhov zoo tshaj plaws viscosity ntawm lub hauv paus kua (150 cSt los yog 220 cSt). Lub hauv paus ntsiab lus ntawm nws qhov kev txiav txim yog raws li qhov tseeb hais tias nrog ib tug nce nyob rau hauv lub ceev ntawm kev sib hloov ntawm bearing nws tus kheej, qhov taw qhia no pib txo, vim hais tias cov kua yuav tsis viscous. Qhov tshwm sim ntawm tag nrho cov no yog los tiv thaiv kev kub ntxhov ntawm tag nrho cov txheej txheem thiab nws qhov ua tsis tiav.

Thaum lawv ua, cov roj nplaum ua haujlwm ntau:

• tiv thaiv plua plav thiab khib nyiab los ntawm sab nraud;
• tiv thaiv hlau los ntawm corrosion;
• pab rau qhov sib faib ntawm qhov kub thiab txias tsim thaum muaj kev sib txhuam;
• txias thaum soj ntsuam qhov kub siab.

Thaum siv cov roj nplua nyeem rau cov kabmob ceev ceev, kev sib txhuam ntawm cov khoom ntawm lawv tus kheej tau txo qis, uas ua kom siv tau ntev dua. Nws kuj tseem pab tiv thaiv kev tsim lub suab tsis zoo uas tuaj yeem pom thaum tsav tsheb.

Key Features

Muaj qee cov npe ntawm cov yam ntxwv uas txhua tus neeg nrhiav cov roj zoo rau cov kabmob nrawm yuav tsum tau them sai sai rau. Cov no suav nrog:

• channeling;
• viscosity index;
• muaj cov khoom ntxiv (cov khoom ntxiv);
• poob point.

Raws li viscosity ntawm cov khoom, nws yuav tsum tso cai rau nws tsim ib hom yeeb yaj kiabnyob rau saum npoo ntawm cov kabmob. Cov txheej no yuav tsum tuab txaus los tiv thaiv kev sib txhuam ntau dhau.

Raws li rau channeling, qhov ntsuas no qhia txog lub peev xwm ntawm tus neeg sawv cev los tiv thaiv overheating ntawm lub cuab yeej. Hauv cov khoom lag luam zoo, nws kuj yuav tsum siab.

Hais txog qhov poob qis, hauv cov khoom tsim nyog qhov ntsuas no yuav tsum siab tshaj qhov qhia tau tias yog qhov siab tshaj plaws ua haujlwm rau ib qho khoom siv (koj tuaj yeem pom nws hauv cov lus qhia).

Cov roj zoo rau cov kabmob ceev ceev yuav tsum muaj cov khoom uas tiv thaiv kev tsim ntawm corrosion. Dab tsi ntxiv, tiv thaiv hnav thiab EP additives tuaj yeem muab ntxiv rau cov khoom lag luam zoo.

Cov yam ntxwv ntawm kev ua haujlwm nyob rau hauv qhov sib txawv ntawm qhov kub thiab txias

Txhua tus neeg tsav tsheb uas xav saib xyuas qhov xwm txheej ntawm nws lub tsheb yuav tsum ua tib zoo saib xyuas qhov tseeb tias qhov kub thiab txias tuaj yeem cuam tshuam cov khoom ntawm roj rau kev kub ceev dov bearings. Yog li, yog tias cov khoom tsim los siv rau qhov kub thiab txias (qhov no yuav tsum tau qhia rau ntawm cov khoom ntim), ces nws yuav tsum to taub tias thaum kub poob, cov muaj pes tsawg leeg yuav pib crystallize thiab harden. Yog hais tias nws yog npaj rau siv nyob rau hauv frosty tej yam kev mob, ces nrog rau qhov pib ntawm tshav kub, lub loj yuav pib coke los yog qhuav tawm tag nrho.

Nws tseem yuav tsum nkag siab tias lub hauv paus ntawm cov khoom tsim yog qhov tseem ceeb heev. Yog li ntawd yog nwsbelongs rau cov ntxhia hauv qeb, nws yuav tsum nkag siab tias qhov muaj pes tsawg leeg no tuaj yeem tswj hwm nws lub xeev li qub ntawm qhov kub ntawm -30 txog +120 degrees. Silicone lubricants yog qhov zoo rau kev siv hauv Frost - los ntawm -30 txog -70 degrees, thiab rau kev kho lub cav nws yog qhov zoo tshaj plaws los siv cov tshuaj pasty uas tuaj yeem tswj hwm lawv cov khoom ntawm qhov kub ntawm +200 txog +1000 degrees.

Type of lubricants

Tam sim no, cov tuam txhab lag luam niaj hnub ntawm cov khoom lag luam npaj rau kev pabcuam cov cav tov thiab cov khoom siv ib leeg muaj kev xaiv loj ntawm cov roj nplua nyeem uas sib txawv ntawm lawv daim ntawv. Txog niaj hnub no, hauv khw muag khoom koj tuaj yeem pom cov roj nplua nyeem hauv daim ntawv:

• butter;
• tshuaj pleev;
• khoom siv;
• gas.

Hais txog cov yam ntxwv ntawm txhua yam uas tau nthuav tawm, nws yuav tsum tau muab sau tseg tias cov roj nplua nyeem tau zoo nrog cov bearings siv hauv turbochargers, ultracentrifuges, kev sib txhuam ntawm cov cuab yeej precision, nrog rau hauv cov roj turbines. Rau kev saib xyuas cov khoom siv tsheb, cov khoom zoo li no yuav luag tsis siv.

Rau cov ntaub ntawv nyuaj, cov kabmob dawb yog daim ntawv thov zoo tshaj. Qhov zoo dua ntawm cov cuab yeej no yog lawv tsim cov txheej ntom ntom ntom ntom heev, uas txo qis theem ntawm kev sib txhuam thiab qhov ntxim nyiam ntawm cov khoom thaum ntxov.

Feem ntau, cov roj nplua nyeem yog siv los saib xyuas cov kabmob, nthuav tawm hauv daim ntawv roj thiab tshuaj pleev. Lawv yog cov universal thiab haum rau cov hom ntawm qhov chaw nyob rau hauv kev xav. Raws li cov rojformulations, lawv muab siab tshaj plaws bearing tiv thaiv kev sib txhuam, clogging thiab overheating.

Txoj kev muaj pes tsawg leeg ntawm cov roj nplua nyeem

Nws yuav tsum tau muab sau tseg tias formulations ntawm txawv bearing greases txawv. Yog li, qhov tseeb, koj tuaj yeem nrhiav cov xim, xab npum thiab lithium khoom. Xav paub ntxiv txog qhov txawv ntawm lawv txhua tus.

xab npum lubricants yog raws li sodium thiab calcium. Lawv yog cov nqi qis thiab thermally ruaj khov.

Hais txog lithium muaj pes tsawg leeg, nws yuav tsum tau muab sau tseg tias lawv yog raws li cov roj residual puag, tso tawm los ntawm paraffins. Cov roj nplua nyeem no kuj tseem pheej yig thiab muaj cov khoom siv dej-tiv taus, nrog rau cov adhesion siab.

Raws li rau cov xim muaj pes tsawg leeg ntawm lubricants, lawv lub ntsiab feature yog tias txhua yam khoom ntawm hom no muaj ib co xim, tau txais vim muaj nyob rau hauv cov qauv ntawm cov khoom ntawm ib tug tshwj xeeb Cheebtsam uas txiav txim ib co ntawm nws cov khoom. Xws li cov tebchaw kuj zoo kawg nkaus tiv cov dej noo thiab muaj qib siab ntawm adhesion.

Lub roj twg haum rau lub log bearings?

Hais tias cov tuam txhab tsim cov khoom siv kho tsheb thiab cov khoom siv ib leeg tam sim no muaj kev xaiv ntau ntawm cov kabmob lubricants, nws tsim nyog sau cia tias xaiv cov khoom tsim nyog tshaj plaws yog raws li lub hom phiaj tseem ceeb ntawm nws siv.

Yog li, thaum xaiv lub roj nplua nyeem rau hub bearings, nyiam yuav tsum tau muab rau cov khoom sib xyaw uasuas muab kev tiv thaiv corrosion thiab av ingress. Nws kuj tseem ceeb heev uas cov khoom zoo li no muaj cov khoom sib khi, thiab tiv taus qhov kub thiab txias.

Cov kws tshaj lij ceeb toom tias cov khoom hauv qab no yuav yog cov kev xaiv zoo tshaj plaws rau cov roj nplua nyeem rau cov kabmob:

• Liqui Moly LM 50;
• Castrol LMX Li-Complexfett;
• MS-1000;
• nce siab kub;
• "Litol 24".

Yuav ua li cas xaiv lub roj nplua nyeem rau dov bearings?

Thaum xaiv cov roj uas tsim nyog tshaj plaws rau kev kub ceev dov bearings, koj yuav tsum tau them sai sai rau cov txheej txheem ntawm kev siv chav tsev. Cov kws tshaj lij tau sau tseg tias cov roj nplua nyeem hauv cov roj yog zoo heev rau cov kabmob ntawm hom no - lawv ua haujlwm zoo heev ntawm kev tshem tawm qhov kub thiab txias, thiab tseem muaj peev xwm nkag tau zoo heev.

Ntau zaus tshaj qhov tsis yog, cov kws tshaj lij kev pabcuam tsheb pom zoo siv Mannol cov khoom lag luam rau lub hom phiaj no, uas txo cov nqi thiab tseem txawv ntawm lawv cov kav ntev. Tsis tas li ntawd, cov roj ntsha hluavtaws - barium - zoo heev rau kev siv. Nws kuj tseem tau sau tseg tias Indigo roj yog qhov kev xaiv zoo tshaj plaws rau kev kub ceev dov bearings. Cov khoom no muaj ib tug tuab tuab tuab thiab belongs rau cov pab pawg neeg ntawm ceramic hloov.

Yuav ua li cas xaiv cov roj roj rau lub tshuab hluav taws xob?

Hais txog kev xaiv cov roj nplua nyeem rauntawm hom bearings nyob rau hauv nqe lus nug, nws yuav tsum tau muab sau tseg tias nyob rau hauv cov ntaub ntawv no nws yog tsim nyog them sai sai mus rau cov khoom uas nws lub luag hauj lwm tseem ceeb yog los tiv thaiv av thiab hmoov av los ntawm kev nyob rau hauv lub mechanism. Nyob rau hauv cov nqe lus ntawm daim ntawv, ib tug zoo heev lubricant xaiv rau kev kub ceev lub cev muaj zog bearings yog ib tug uas tuaj nyob rau hauv daim ntawv ntawm cov roj.

Cov khoom lag luam tshaj plaws hauv qeb no suav nrog:

• SKF LGHP 2;
• SKF LGWA 2;
• SKF LGHB 2;
• Molykote FB;
• BLUE (MC-1510);
• MOBIL XHP;
• SHELL Gadus;
• VNII NP-233;
• "Tsiatim-221".

Xyaum qhia tau hais tias nyob rau hauv cov kabmob ntawm lub tshuab hluav taws xob, cov roj nplua nyeem tau hloov ntau zaus - ib zaug txhua peb lub lis piam, raug rau kev siv txhua hnub ntawm cov cuab yeej.

Top Producers

Raws li cov lus tawm tswv yim los ntawm cov neeg siv khoom, qhov kev ntsuam xyuas ntawm cov tuam txhab zoo tshaj plaws ntawm cov roj nplua nyeem rau cov tsheb ceev ceev tau tsim. Cov no suav nrog:

• LIQUI MOLY (Lub Tebchaws Yelemees);
• "VPMAvto" (Russia);
• Mannol (Lub Tebchaws Yelemees);
• HUSQVARNA (Sweden);
• CHAMPION (Russia).

Redline CV-2 High Speed Bearing Lubricant tau txais cov lus pom zoo ntau heev. Qhov peculiarity ntawm cov khoom no yog tias nws muaj peev xwm hloov tau txawm tias qhov kub thiab txias tshaj plaws (ntawm -70 txog 260 degrees) thiab hnyav hnyav. Nws yog tus cwj pwm los ntawm kev ua haujlwm siab corrosion, nrog rau kev muaj peev xwmprolong bearing lub neej. Tag nrho cov no yog muab ua tsaug rau cov liab molybdenum tivthaiv, uas yog ib feem ntawm cov khoom, uas yog ntau npaum li cas zoo dua cov dub, uas yog ib feem ntawm lwm yam khoom zoo sib xws.

Lub sijhawm twg los hloov lub roj nplua nyeem?

Cov kws tshaj lij kev pabcuam tsheb feem ntau nco ntsoov ntau lub cim qhia tias nws yog lub sijhawm los hloov cov roj hauv cov kabmob. Cov no suav nrog:

• tsim lub suab lossis tsis hnov tsw uas tsis zoo ntawm cov cuab yeej ua haujlwm hauv hom qub;
• pom cov chips lossis cov kab nrib pleb ntawm sab saum toj ntawm chav sib txhuam;
• hloov pauv hauv qhov sib xws lossis xim ntawm qhov pom ntawm cov roj;
• khoom siv cua sov kom sov siab heev.

Nws yuav tsum raug sau tseg tias thaum pom "cov tsos mob" zoo li no, cov roj nplua nyeem yuav tsum tau hloov tam sim ntawd, vim tsis quav ntsej cov xwm txheej uas tau teev tseg tuaj yeem ua rau muaj qhov cuam tshuam tsis zoo uas yuav cuam tshuam rau kev ua haujlwm ntawm tag nrho cov cuab yeej.

Yuav siv roj nplua nyeem li cas?

Yuav ua li cas siv cov khoom kom raug nug? Ua ntej ntawm tag nrho cov, koj yuav tsum to taub tias koj yuav tsum tau muab roj rau high-ceev bearings nrog koj tus kheej txhais tes, uas koj yuav tsum xub muab tso rau hauv hnab looj tes. Lub sijhawm no tseem ceeb heev, vim qhov no tsuas yog txoj hauv kev los xyuas kom meej qhov ze tshaj plaws ntawm tus neeg sawv cev nrog cov khoom ua tiav.

Thaum pib ntawm qhov xwm txheejtxheej txheem, nws yog ib qho tsim nyog los qhib cov kabmob nrog ib qho khoom ntse, thiab tom qab ntawd txo qis rau hauv ib lub thawv nrog roj av kom huv si yaug nws thiab, yog li, ntxuav nws ntawm cov qub pawg uas nws tau ua tiav.

Tom qab ntxuav, qhov yuav tsum tau qhuav thiab tam sim no tsuas yog muab cov roj tshiab rau hauv nws kom nws nyob li ib feem peb ntawm tag nrho cov ntim ntawm lub qhov uas tau faib rau nws cov ntawv teev tseg.

Nyob rau theem kawg, lub spindle kho nrog high-ceev bearing roj yuav tsum tau nruj nreem kaw thiab ib feem ntsia nws qhov chaw.

Price

Hais txog tus nqi ntawm cov roj zoo tshaj plaws rau kev kub ceev bearings, nws yuav tsum raug sau tseg tias nws ncaj qha nyob ntawm ntau yam. Cov no suav nrog qib zoo ntawm cov khoom siv raw siv los tsim cov khoom, nrog rau kev siv cov kev hloov pauv tshwj xeeb (cov khoom ntxiv). Ntxiv mus, tus nqi ntawm cov khoom tiav yog cuam tshuam los ntawm cov cuab yeej siv hauv nws cov khoom, nrog rau qhov ntim ntawm lub raj mis uas cov khoom muag.

Xyaum qhia tau hais tias tus nqi nruab nrab ntawm cov roj zoo rau cov kabmob sib txawv ntawm 450-900 rubles.