Lub thrust kabmob. Angular hu bearings. Pob thrust kabmob

Bearings - ib tug kev ntaus ntawv uas pab raws li ib tug them nyiaj yug rau lub teb axes thiab shafts. Lawv muaj peev xwm ntawm kev noj radial thiab axial loads kuj ncaj qha rau ntawm lub qag los yog ncej, thiab ces hloov lawv mus rau ib tug ncej, vaj tse nyob los yog lwm tus ib feem ntawm cov qauv. Kabmob ua hauj lwm nyob rau tib lub sij hawm - los tuav tus ncej nyob rau hauv qhov chaw, muab nws lub sij hawm mus ua viav vias dawb do, tig los yog txav linearly muaj tsawg heev tsis muaj zog. Los ntawm qhov zoo tshaj ntawm no ntaus ntawv yog nyob ntawm kev ua tau zoo, ua hauj lwm zoo thiab, ntawm chav kawm, lub durability ntawm lub tshuab.

hom bearings

Based on lub hauv paus ntsiab lus ntawm lub lag luam, tag nrho cov pab kiag li lawm yog muab faib mus rau hauv gasdynamic, hydrostatic, gasostatic, hydrodynamic, magnetic, zawv zawg thiab dov. Lub ob hom no feem ntau yog siv nyob rau hauv mechanical engineering. Rolling kabmob muaj ob lub ntsej thiab cov separator, uas cais lawv. Nyob rau txheej ib feem ntawm lub puab nplhaib thiab lub puab yog ib feem ntawm cov txheej groove kis - txoj kev no, uas caij nyob rau dov lub cev (chais los yog khoom) thaum lub ntaus ntawv muab kev koom tes nyob rau hauv lub lag luam.

Los ntawm radial load xaav sib cais (rau cov me radial thiab axial load), pheej (rau axial load), thrust radial (rau ib tug axial thiab ib tug uas tsis muaj radial load) thiab lub angular hu bearings (kev ua ke nrog ntawm axial thiab radial load).

Raws li cov xov tooj ntawm kab ntawm cov khoom los yog chais cais ib kab, muab ob npaug rau kab thiab multi-kab ntaus ntawv. Nyob ntawm seb lub peev xwm pab kom txawm peem rau misalignment ntawm shafts muaj, qhia nesamoustanavlivayuschiesya bearings, uas tso cai rau kev sib nrig sib misalignment ntawm ib ncig mus rau yim degrees, thiab nws tus kheej-aligning (skewed mus rau plaub degrees).

cim

Lavxias teb sab labeling ntawm xws li muaj ib lub cim, caag nyob rau hauv raws li GOST 3189-89, raws li zoo raws li cov kev cai ntawm lub chaw tsim tshuaj paus. Yog li, lub labeling muaj xws li xya tug lej tom qab yooj yim los (yog hais tias tus yam ntxwv qhov tseem ceeb yog zero, yuav txo tau kom ob cim) thiab ntxiv mus rau sab xis / sab laug ntawm lub ntsiab. Nyob rau hauv cov ntaub ntawv ntawm qhov chaw nyob rau sab laug nws yog ib txwm sib cais los ntawm "-" (khiav ceev), thiab yog hais tias txoj cai, nws pib nrog ib co ntawv. Nyeem Ntawv yog ib txwm ua li ntawd, seb puas radial los yog axial bearings.

Standard prescribes npav ntsiab teem nyob rau hauv ib lub ib theem zuj zus. Yog li ntawd, ua ntej qhia kom meej ib tug series ntawm widths (ib tug lej), ua raws li los ntawm constructive hom (ob tug lej tom qab), ua raws li los ntawm cov kabmob hom (ib tug lej), ib tug series ntawm diameters (tib tug lej) thiab lub cim ntawm lub puab inch (ob tug lej).

Uas siv pob bearings?

Machine uas tsis muaj yam qhov chaw yog heev me me. .. Tej qhov chaw raws li drums, levers, log, axles, shafts, thiab lwm yam, raws li ib tug txoj cai, yuav tsum muaj - txhua leej txhua tus paub uas muaj rau nrog lub tsheb. Yog li ntawd, ntawm no yog tag nrho tsis muaj bearings. Ib lub tsheb yuav tsum tau tu kom zoo thiab periodic txij nkawm, hais tias cov pab kiag li lawm yuav tsum tau lub sij hawm mus hloov los ntawm lub sij hawm rau lub sij hawm. Tab sis lub thrust kev coj tus kheej - yog tsis tsuas yog ib tug indispensable attribute ntawm lub tsheb, nws yog siv nyob rau hauv lub hlau, lub zog, machinery, tsuas kev lag luam. Qhov no zoo uas tsim pub rau enhanced ceev zoo ntawm qhov no los yog hais tias kev nthuav dav, yog li ntawd lawv feem ntau siv nyob rau hauv centrifuges, automotive log, cab zog, koob thiab thiaj li nyob.

Pob thiab cov menyuam thrust ntaus ntawv

Pob ntsawj kabmob yog tsim los rau axial loads, nws yog nesamoustanavlivayuschimsya. Tso ntaus kab, uas paub ib tug-ib tog axial load thiab ob kab - perceive ob sab sib dho. Tej yam ntxwv Cheebtsam yog thov mus rau ntsug shafts, ib tug nkaus, rotating cov cav tov chaw txiav hlau.

Thrust cov menyuam tau cov kabmob no yog siv thaum ua heev loj axial load. Cov pab kiag li lawm yuav ua tau ntawm peb yam:

• nrog conical chais - yog tsim los khiav lag luam ntawm tsis tshua muaj neeg siab loads, siab speeds ntawm kev sib hloov, ntaus;
• cylindrical cov menyuam - siv mus ua hauj lwm thaum uas tsis muaj speeds, tab sis thaum muaj kev kub loads;
• spheroconical nrog chais - muaj zog samoustanavlivaemosti yuav raug ntau yam pauv loj axial thiab radial loads.

Kev uas quav ntsawj kabmob yog siv nyob rau hauv lub refractory blocks tho mills, extruders, hnyav ncawv loaded ntsug shafts Alternators. Nyob rau hauv tas li ntawd, nws yog ib feem ntawm lub teb Cheebtsam ntawm lub metallurgical khoom.

Angular hu bearings

Cov pab kiag li lawm yog tseem siv nyob rau hauv txawv teb ntawm kev lag luam: mechanical engineering thiab tank tsev, tshuaj kev lag luam thiab lwm cov neeg. Cov yam ntxwv lub Cheebtsam yuav tau perceive ib zaug ob hom load: ob axial thiab radial. Nws nqi siab tshaj plaws nyob rau lub kaum sab xis ntawm uas tus ntxuag ntsiab yog nyob rau hauv kev sib cuag nrog lub raceways. Tau siv radial pob bearings muaj ib tug plaub-taw tes sib cuag. Txawm li cas los, nws yuav tsum tau muab sau tseg tias nyob rau hauv kev engineering industries feem ntau lug siv ib leeg-kab thiab muab ob npaug rau-kab ntaus ntawv.

Ntau hom angular hu bearings

Lub Khoos Loos Tsev Cheebtsam yuav tsum tau ua nyob rau hauv ntau yam embodiments. Cov Kabmob angular hu pob tej zaum yuav qhib los yog muaj ib tug tiv thaiv hlau tshuab ntxhua khaub ncaws los yog ib tug di ncauj foob. Cov pab kiag li lawm muaj plaub taw tes hu detachable lwm los nrog rings thiab ntau haum rau lub axial loads. Cov Kabmob angular hu pob feem ntau nruab nrog ib tug separator ntawm cov iav fiber tam Polyamide. Tab sis tseem muaj cov yam ntxwv sib sau uake nrog tooj dag los yog steel taw tes nias separator. Cov bearings yuav haum radial thiab axial load ntawm tug-ib tog. Nyob rau lub puab los yog txheej nplhaib muaj ib tug bevel los ntawm tus ntxuag lub cev, feem ntau yog li tus xov tooj ntawm clips nyob rau hauv no embodiment, tus ntaus ntawv ntau dua cov khoom nyob rau hauv lub sib nug xov radial thrust constructive ntawm. Qhov no kabmob muaj peev xwm mus paub ib tug ntau dua load dua lub radial uas zoo xws li loj.

Kev uas quav angular hu cov kabmob, feem ntau muaj ib lub cev ntawm dov lub khob hliav qab hom. Teem caij cov chais mus rau lub axis ntawm kev sib hloov ntawm ib yam lub, hom kev ntaus ntawv yog tau perceive lub neej coj load. Nyob rau tib lub sij hawm lub angular hu pob bearing lub khob hliav qab muaj ib tug ntau sab permissible ceev tshaj ib tug yam ntxwv tsev nrog cylindrical chais. Theem txiav txim los ntawm kev noj axial loads lub khob hliav qab lub kaum sab xis: tus txo nws yuav tsub kom lub radial load thiab li tsub kom lub thrust. Yog hais tias koj xav mus siv xws li bearings xav tau kom paub tseeb tias yog tsis muaj distortion ntawm zes bearings thiab ncej, nyob rau hauv uas lawv ntsia.

Options menyuam angular hu tapered pab kiag li lawm:

• 7000 - lub ntsiab yooj;
• 27000 - siab lub khob hliav qab lub kaum sab xis;
• 97000 - ob-kab;
• 77000 - plaub uake.

Hom 27000 thiab 7000

Npaj rau kev xaav ntawm radial thiab axial loads unilateral. Tej yam ntxwv Cheebtsam yuav tsum tau kho cov axial clearance thiab mounting cov txheej rings - ob qho tag nrho lub sij hawm installation thiab thaum lub sij hawm lub lag luam.

ntaus 97000

Cov pab kiag li lawm yuav tau coj unilateral thiab ob sab sib dho radial thiab axial loads ib txhij. Yog hais tias koj xav hloov lub axial los yog radial clearance nyob rau hauv cov kabmob podshlifovyvaetsya lub tog raj nplhaib mounted nyob rau hauv nruab nrab ntawm lub puab rings. Maximum load nyob rau hauv lub structural units ntawm no hom yog 1.7 lub sij hawm ntau tshaj ib tug uas yog tau rau ib-kab bearings.

ntaus 77000

Devices ntawm no zoo no yog ua los yuav tau txais hnyav radial thiab axial loads me bilateral. Xws li ib tug yam ntxwv tsev yuav tiv tau ntau dua cov nyhuv ntawm radial rog, es coj ib leeg-kab.

Xaiv cov kabmob

Cov nram qab no yam yuav tsum muab xav thaum xaiv cov hom thiab loj ntawm lub ntaus ntawv:

• load tej yam kev mob (nce mus nce los, poob siab, kev co, qhov);
• yuav tsum tau kev pab (nyob rau hauv lab ntawm revolutions los yog sij hawm);
• cov kev taw qhia thiab tus nqi ntawm load (axial, radial, neej);
• ib puag ncig tej yam kev mob (hmoov av, kub thiab txias, acidity, vaum);
• muab ceev ntawm ib tug yam ntxwv los ua ke nplhaib;
• tshwj xeeb uas yuav tsum tau, uas yog nyob rau ntawm tus kabmob qauv (yam qhov ntev, zog samoustanavlivaemosti, suab nrov yuav txo tau, thiab thiaj li nyob. p.).

Qhov ntev thiab raug cov chav kawm

Xws li muaj peb-dimensional series. Rau tag nrho qhov ntev, lawv muab faib ua hnyav / nruab nrab / lub teeb / teeb heev / ultralight thiab dav - tshwj xeeb tshaj yog nyob rau hauv dav / dav / qub / nqaim. Cov feem ntau yog nruab nrab, lub teeb thiab ntxiv lub teeb ntau ntau yam.

Faib chav kawm precision sibtham: super-precision / precision / siab / siab / zoo. Tsis tas li ntawd ua bearings, uas nws yog cov neeg hauv chav kawm ntawv qis dua li ib txwm (heev tsis muaj tseeb) los yog siab dua super-precision (feem ntau muaj tseeb). Nyob rau hauv no qhov chaw thiab lwm yam ntxiv uas yuav tsum tau, xws li cov theem ntawm kev co thiab thiaj li nyob, tag nrho cov pab kiag li lawm yog muab faib ua pawg: cov chav kawm ntawv A, B, C.

Nyob rau hauv xaus, peb muab lub hom los ntawm kev coj tus kheej hom:

• 0 - radial / pob;
• 1 - radial / kheej kheej pob;
• 2 - radial / cylindrical cov menyuam luv luv chais;
• 3 - radial / cov menyuam nrog kheej kheej chais (chim-zoo li tus);
• 4 - radial / koob rau cov menyuam los yog cylindrical ntev chais;
• 5 - radial / kauv chais nrog ib tug menyuam;
• 6 - angular pob / pob;
• 7 - Lub khob hliav qab / cov menyuam;
• 8 - thrust groove / pob, ib qho axial / pob;
• 9 - Axial / cov menyuam, thrust / cov menyuam.