Iwo mabearings emidziyo yemechani zvikamu zvisina njodzi, uye kana mamiriro avo ekumhanya akanaka anokanganisa zvakananga kuita kwemidziyo yese.Mumichina yesimende nemidziyo, kune zviitiko zvakawanda zvekutadza kwemidziyo kunokonzerwa nekutadza kwekutanga kukunguruka.Nokudaro, kutsvaga chinokonzera kukanganisa, kutora matanho ekugadzirisa, uye kubvisa kukanganisa ndeimwe yemakiyi ekuvandudza chiyero chekushanda kwehurongwa.
1 Mhosva yekuongorora yekutenderedza mabheji
1.1 Vibration ongororo yekutenderera inobereka
Iyo yakajairika nzira yekutenderedza mabhengi kutadza kuri nyore kuneta spalling yeavo vanotenderedza mabatiro.{TodayHot} Rudzi urwu rwekusvuura, nzvimbo inopenengura inosvika 2mm2, uye kudzika kuri 0.2mm ~ 0.3mm, iyo inogona kutongwa nekuona kuzunguzika kwemonitor.Spalling inogona kuitika pamujaho wemukati, nhangemutange yekunze kana kutenderera zvinhu.Pakati pavo, nhangemutange yemukati inowanzoputsika nekuda kwekunyanya kusangana kunetseka.
Pakati peakasiyana maitiro ekuongorora anoshandiswa kutenderedza mabheji, iyo vibration yekutarisa nzira yekutarisa ndiyo ichiri yakanyanya kukosha.Kazhinji kutaura, iyo nguva-domain yekuongorora nzira iri nyore, yakakodzera kune dzimwe nguva nekukanganisa kushoma kweruzha, uye inzira yakanaka yekuongorora zviri nyore;pakati pe-frequency-domain diagnostic nzira, iyo resonance demodulation nzira ndiyo yakanyanya kukura uye yakavimbika, uye yakakodzera kuongororwa kwakaringana kwekutadza kubereka;nguva- Iyo frequency yekuongorora nzira yakafanana neye resonance demodulation nzira, uye inogona kunyatso ratidza nguva uye frequency maitiro echiratidzo chekukanganisa, iyo inonyanya kubatsira.
1.2 Ongororo yemhando yekukuvadza yemabhengi ekutenderera uye mishonga
(1) Kuwandisa.Yakanyanya kupararira kwepamusoro uye kupfeka, zvichiratidza kutadza kwekutenderedza mabheji nekuda kwekuneta kwekutanga kunokonzerwa nekuremerwa (nekuwedzera, kusimba kwakanyanya kunokonzeresa kumwe kuneta).Kuremedza zvakare kunogona kukonzera kuomarara kwebhora remujaho kupfeka, kupararira kwakanyanya uye dzimwe nguva kupisa.Mushonga wacho ndewokuderedza mutoro pakutakura kana kuwedzera kutakura mutoro wekutakura.
(2) Kupisa zvakanyanya.Kuchinja kweruvara mumijaho yemarora, mabhora, kana keji kunoratidza kuti kubereka kwacho kwanyanya kupisa.Kuwedzera kwekushisa kunoderedza kushanda kwemafuta, kuitira kuti renje remafuta risave nyore kuumba kana kunyangarika zvachose.Kana kutonhora kwakanyanyisa, zvinhu zvemujaho uye bhora resimbi zvichabviswa, uye kuoma kunoderera.Izvi zvinonyanya kukonzerwa nekupisa kusina kunaka kwekupisa kana kusakwana kutonhora pasi pemutoro unorema uye nekumhanya kukuru.Mhinduro ndeyokubvisa zvakakwana kupisa uye kuwedzera kuwedzera kutonhora.
(3) Low load vibration erosion.Elliptical kupfeka mamaki aioneka pane axial chinzvimbo chebhora rega rega resimbi, izvo zvairatidza kutadza kukonzerwa nekuzunguza kwekunze kwakanyanya kana kuderera kwemutoro wekutaura apo kutakura kwanga kusiri kushanda uye pasina firimu remafuta ekuzora rakagadzirwa.Mushonga wacho ndeyekuparadzanisa fani kubva pakudengenyeka kana kuwedzera anti-kupfeka zvinowedzera kune girisi yekubereka, nezvimwe.
(4) Matambudziko ekuisa.Kunyanya teerera kune zvinotevera zvikamu:
Kutanga, teerera kune simba rekuisa.Mamiriro akaiswa munhangemutange anoratidza kuti mutoro wakapfuura elastic muganho wezvinhu.Izvi zvinokonzerwa nekuremerwa kwakamira kana kukanganisa kwakanyanya (sekurova fani nesando panguva yekuisa, nezvimwewo).Iyo chaiyo yekuisa nzira ndeye kushandisa simba chete kune rin'i inotsikirirwa (usasundire mhete yekunze kana uchiisa yemukati mhete pashaft).
Chechipiri, teerera kune kuiswa kwekutungamira kweangular contact bearings.Angular contact bearings ane elliptical contact nzvimbo uye kutakura axial thrust munzira imwe chete.Kana kutakura kwaunganidzwa kwakatarisana, nekuti bhora resimbi riri pamucheto wemujaho, groove-yakaita senge kupfeka zone inogadzirwa panzvimbo yakarongedzerwa.Naizvozvo, kutarisisa kunofanirwa kubhadharwa kune kwayo nzira yekuisa panguva yekuisa.
Chechitatu, teerera kurongeka.Kupfeka kwemavara emabhora esimbi akatsvetwa uye haaenderani negwara remujaho, zvichiratidza kuti kutakura hakuna pakati panguva yekuiswa.Kana iyo deflection iri> 16000, inokonzeresa kuti kupisa kwebereko kukwire uye kukonzeresa kupfeka kwakakomba.Chikonzero chinogona kunge chiri chekuti shaft yakakotama, shaft kana bhokisi rine burrs, iyo inotsikirira pamusoro peiyo lock nut haisi perpendicular kune thread axis, etc. Naizvozvo, kutarisirwa kunofanira kutorwa kutarisa radial runout panguva yekuisa.
Chechina, kutarisisa kunofanirwa kubhadharwa kune kurongeka kwakakodzera.Circumferential wear or discoloration on the assembly contact surfaces of the inside and out out rings of the beararing inokonzerwa nekusununguka kwakasununguka pakati pebhengi nezvikamu zvayo zvinowirirana.Iyo oxide inogadzirwa neabrasion ndeye yakachena yebrown abrasive, iyo ichakonzera nhevedzano yezvinetso zvakadai sekuwedzera kupfeka kwekutakura, chizvarwa chekupisa, ruzha uye radial runout, saka kutarisisa kunofanirwa kubhadharwa kune yakakodzera yakakodzera panguva yekusangana.
Mumwe muenzaniso ndewekuti pane yakakomba spherical kupfeka track pazasi pemujaho, izvo zvinoratidza kuti kutakura clearance kunova diki nekuda kwekusimba kwakasimba, uye kutakura kunokurumidza kutadza nekuda kwekupfeka uye kuneta nekuda kwekuwedzera kwe torque uye kusimuka. mukubereka tembiricha.Panguva ino, chero bedzi iyo radial clearance yakadzorerwa zvakanaka uye kupindira kwakaderedzwa, dambudziko iri rinogona kugadziriswa.
(5) Normal kuneta kukundikana.Irregular material spalling inoitika pane chero nzvimbo yekumhanya (yakadai semujaho kana bhora resimbi), uye zvishoma nezvishoma inowedzera kukonzeresa kuwedzera kweamplitude, inova yakajairika kuneta kutadza.Kana hupenyu hwemabheji akajairwa husingakwanisi kuzadzisa zvinodiwa zvekushandisa, zvinongokwanisika kusarudza zvakare mabheji epamusoro-giredhi kana kuwedzera maratidziro ekutanga-kirasi mabheji kuti awedzere kutakura mutoro wekutakura.
(6) Kuzora kusina kunaka.Mabhengi ese anomonereka anoda kusakanganiswa kudzorwa nemafuta emhando yepamusoro kuti arambe achishanda.Iyo inotakura inotsamira pane firimu remafuta rakagadzirwa pane inotenderedza zvinhu uye mijaho kudzivirira yakananga simbi-kune-simbi kusangana.Kana yaiswa mafuta zvakanaka, kukwesha kunogona kudzikiswa kuti isasakara.
Kana kutakura kuri kushanda, viscosity yegirisi kana mafuta ekuzora ndiyo kiyi yekuve nechokwadi chekuzora kwayo;Panguva imwecheteyo, zvakakoshawo kuchengetedza girisi yekuzora yakachena uye isina tsvina yakasimba kana yemvura.Iyo viscosity yemafuta yakanyanya kuderera kuti isazora zvakakwana, kuitira kuti chigaro chechigaro chisakara nekukurumidza.Pakutanga, simbi yechigaro mhete uye simbi pamusoro pemuviri unokunguruka inobata zvakananga uye nekukweshana, zvichiita kuti nzvimbo yacho inyatsotsetseka?Ipapo kukakavara kwakaoma kunoitika?Pamusoro pechigaro chechigaro chinopwanyika nezvikamu zvakapwanyika pamusoro pemuviri unoputika.Iyo yepamusoro inogona kucherechedzwa pakutanga seyakasvibira, yakashatiswa kupera, pakupedzisira ine gomba uye kuputika kubva kuneta.Mushonga wacho ndeyekusarudza zvakare uye kutsiva mafuta ekuzora kana girisi zvinoenderana nezvinodiwa zvekutakura.
Kana zvimedu zvinosvibisa zvichisvibisa mafuta ekuzora kana girisi, kunyangwe zvimedu izvi zvinosvibisa zvidiki pane avhareji ukobvu hwefirimu remafuta, zvimedu zvakaomarara zvicharamba zvichikonzera kupera uye kunyange kupinda mufirimu remafuta, zvichikonzera kushushikana kwenzvimbo panzvimbo inotakura, nekudaro zvakanyanya. kupfupisa hupenyu hwekubereka .Kunyangwe kana kuwanda kwemvura mumafuta ekuzora kana girisi kudiki se 0.01%, zvakakwana kupfupisa hafu yehupenyu hwepakutanga hwekubereka.Kana mvura yakanyungudika mumafuta kana girizi, hupenyu hwebasa rekutakura huchadzikira sezvo huwandu hwemvura hunowedzera.Mushonga wacho unofanira kutsinhanisa mafuta asina kuchena kana mafuta;mafirita ari nani anofanirwa kuiswa panguva dzakajairwa, kuiswa chisimbiso kunofanirwa kuwedzerwa, uye mabasa ekuchenesa anofanirwa kutariswa panguva yekuchengetera nekuisa.
(7) Ngura.Mavara matsvuku kana mashava pamijaho, mabhora esimbi, makeji, uye nzvimbo dzemhete dzemukati nekunze dzemhete dzinoratidza kutadza kukora kweberengi nekuda kwekusangana nezvinwiwa zvinoparadza kana magasi.Iyo inokonzeresa kuwedzera vibration, kuwedzera kupfeka, kuwedzera radial clearance, kuderedzwa preload uye, mune zvakanyanyisa zviitiko, kuneta kutadza.Mushonga wacho ndewekubvisa mvura kubva paberero kana kuwedzera chisimbiso chese uye chekunze chekubereka.
2 Zvikonzero uye nzira dzekurapa dze fan inotakura kutadza
Zvinoenderana nehuwandu husina kukwana, mwero wekutadza kwekuzunguzika kusiri kujairika kwemafeni mumiti yesimende wakakwira kusvika 58.6%.Iyo vibration ichaita kuti fan iite zvisina kugadzikana.Pakati pavo, kurongeka kwakashata kweiyo inotakura adapta sleeve kuchaita kuti kusajairika kwekushisa kukwira uye kudengenyeka kwekutakura.
Semuyenzaniso, chirimwa chesimende chakatsiva mashizha e fan panguva yekugadzirisa midziyo.Mativi maviri evhavha akanyatsoenderana nemabheji echigaro chekutakura neadapter sleeve.Mushure mekuongororazve, kutonhora kwepamusoro kwekusununguka kwekusununguka uye kukanganisa kwekukosha kwepamusoro kwekudengenyeka kwakaitika.
Bvisa chivharo chepamusoro chechigaro chinotakura uye shandura feni nemaoko nekumhanya kunononoka.Inowanikwa kuti mabheji anotakura pane imwe nzvimbo ye shaft inotenderera inotendererawo munzvimbo isina mutoro.Kubva pane izvi, zvinogona kutariswa kuti kuchinjika kweiyo inotakura kumhanya clearance kwakakwira uye kuisirwa clearance kungave kusina kukwana.Maererano nechiyero, kubvumirwa kwemukati kwekutakura kunongova 0.04mm, uye eccentricity ye shaft inotenderera inosvika 0.18mm.
Nekuda kwekureba kwakakura kwekuruboshwe nekurudyi mabhengi, zvakaoma kudzivirira kutsauka kweiyo shaft inotenderera kana zvikanganiso mukumisikidza angle yemabhengi.Naizvozvo, mafeni mahombe anoshandisa spherical roller mabhengi anogona kugadzirisa otomatiki pakati.Zvisinei, kana kusunungurwa kwemukati kwekutakura kusina kukwana, zvikamu zvemukati zvekutenderera zvekutakura zvinogadziriswa nenzvimbo yekufambisa, uye basa rayo rekutsvaga rinogadziriswa rinokanganiswa, uye kukosha kwekudengenyeka kuchawedzera panzvimbo.Kusununguka kwemukati kwekutakura kunoderera nekuwedzera kwehutano hwakakodzera, uye firimu yemafuta ekuzora haigoni kuumbwa.Kana iyo yekutakura inomhanya clearance yakaderedzwa kusvika zero nekuda kwekukwira kwetembiricha, kana kupisa kunogadzirwa nekutakura kunenge kuchiri kukuru kupfuura kupisa kwakabviswa, tembiricha inodonha inodonha Kukwira nekukurumidza.Panguva ino, kana muchina ukasamiswa nekukasira, kutakura kunozopedzisira kwapera.Iko kusungirirana kwakasimba pakati pemhete yemukati yekutakura uye shaft ndiyo inokonzera kupisa kusingawanzoitiki kwekutakura munyaya iyi.
Paunenge uchigadzira, bvisa sleeve yeadapter, gadzirisa kusimba pakati pe shaft nemhete yemukati, uye tora 0.10mm yegap mushure mekutsiva kubereka.Mushure mekuisirwazve, tangazve feni, uye iyo vibration kukosha kwekubereka uye tembiricha yekushanda inodzokera kune yakajairika.
Kunyanya kudiki kwemukati kubvumidzwa kwekutakura kana kushata dhizaini uye kugadzira chaiko kwezvikamu ndizvo zvikonzero zvikuru zvekushisa kwakanyanya kwekushanda kwekutakura.Imba inotakura.Zvisinei, inowanzosangana nezvinetso nekuda kwekuregererwa kwemaitiro ekugadzirisa, kunyanya kugadziriswa kwemvumo yakakodzera.Kusununguka kwemukati kwekutakura kwakanyanya kuduku, uye kutonhora kwekushanda kunokwira nokukurumidza;iyo taper gomba remukati remhete yekutakura uye sleeve yeadapter yakanyanyisa kuenzaniswa, uye kutakura kunowanzoita kukundikana uye kupisa munguva pfupi nekuda kwekusunungurwa kwepamusoro pekubatana.
3 Mhedziso
Kupfupisa, kutadza kwemabheri kunofanirwa kutariswa mune dhizaini, kugadzirisa, kudzora manejimendi, kushanda uye kushandiswa.Neiyi nzira, mutengo wekuchengetedza wemichina yemidziyo inogona kudzikiswa, uye chiyero chekushanda uye hupenyu hwebasa hwemichina michina inogona kuwedzerwa.
Nguva yekutumira: Feb-10-2023