Kune marudzi akawanda akasiyana-siyana emabearings aripo nhasi ane ruzivo rushoma pamusoro pekusiyana pakati pawo.Zvimwe wakazvibvunza kuti "ndeipi fanicha ichave yakanakira chikumbiro chako?"Kana kuti “ndinosarudza sei fani?”Nyaya ino ichakubatsira kupindura mibvunzo iyoyo.
Chekutanga pane zvese, iwe unofanirwa kuziva kuti mazhinji mabearings ane rolling element anowira mumapoka maviri akafara:
Mabhero ebhora
Roller bearings
Mukati memapoka aya, mune madiki-zvikamu zvemabheri ane akasiyana maficha kana akagadziridzwa madhizaini ekusimudzira mashandiro.
Muchikamu chino, tichabata zvinhu zvina zvaunofanira kuziva nezve application yako kuitira kuti usarudze mhando yekubereka.
Tsvaga Kutakura Mutoro & Kutakura Kugona
Kutakura mitoro kunowanzo kutsanangurwa sekuita kwesimba rechikamu rinoisa pabereki kana richishandiswa.
Paunenge uchisarudza faniro yakakodzera yechishandiso chako, chekutanga iwe unofanirwa kuwana iyo inotakura mutoro.Hunhu hwekuremerwa huwandu hwemutoro hunogona kubata uye ndechimwe chezvinhu zvakakosha pakusarudza kutakura.
Kutakura mitoro inogona kunge iri axial (thrust), radial kana musanganiswa.
Axial (kana thrust) inotakura mutoro kana simba rinoenderana neaxis ye shaft.
Radial inotakura mutoro ndeye apo simba riri perpendicular kune shaft.Zvadaro musanganiswa wakatakura mutoro ndipo apo parallel uye perpendicular masimba anobudisa simba remakona maererano ne shaft.
Mapiro Ebhora Anogovera sei Mitoro
Mabhora ebhora akagadzirwa ane spherical balls uye anogona kugovera mitoro pamusoro pepakati-saizi nzvimbo.Ivo vanowanzo shanda zvirinani kune madiki-kusvika-epakati-saizi mitoro, kuparadzira mitoro kuburikidza nenzvimbo imwechete yekubata.
Pazasi ireferensi yekukurumidza yerudzi rwekutakura uye bhora rakanakisa rinotakura basa racho:
Radial (perpendicular to the shaft) uye mitoro yakareruka: Sarudza radial bhora mabhengi (inozivikanwawo seyakadzika groove bhora mabhengi).Radial bearings mamwe emhando dzinowanzozivikanwa dzemabhengi pamusika.
Axial (kusundira) (yakafanana kune shaft) mitoro: Sarudza kukanda bhora.
Yakasanganiswa, zvese radial uye axial, mitoro: Sarudza angular yekubata inotakura.Mabhora anobata nzira yemujaho pakona iyo inotsigira zvirinani mitoro yekubatanidza.
Roller Bearings & Bearing Load
Roller bearings dzakagadzirwa nema cylindrical rollers anogona kugovera mitoro pamusoro penzvimbo yakakura kupfuura bhora.Ivo vanowanzo shanda zvirinani kune inorema mitoro application.
Pazasi ireferensi yekukurumidza yerudzi rwekutakura mutoro uye yakanakisa roller kutakura yebasa racho:
Radial (perpendicular kune shaft) mitoro: Sarudza yakajairwa cylindrical roller bearings
Axial (thrust) (yakafanana neshaft) mitoro: Sarudza cylindrical thrust bearings
Yakasanganiswa, zvese radial uye axial, mitoro: Sarudza taper roller inotakura
Kutenderera Kumhanya
Iko kutenderera kwekumhanya kwechishandiso chako ndicho chinotevera chekutarisa pakusarudza fani.
Kana application yako ichizoshanda nekumhanya kukuru kwekutenderera, saka mabhora ebhora kazhinji ndiyo sarudzo inosarudzika.Ivo vanoita zvirinani pakumhanya kwepamusoro uye vanopa yakakwira yekumhanyisa renji pane roller bearings.
Chimwe chikonzero ndechekuti kusangana pakati pechinhu chinokunguruka uye mijaho mubhokisi rinotakura ipoindi panzvimbo yemutsara wekusangana, senge mumaroller bearings.Nekuti zvinhu zvinotenderedza zvinopinda mujaho pazvinenge zvichikunguruka pamusoro pepamusoro, pane kushomeka kwepamusoro kunoitika mumapoinzi anotakura kubva kumabheru.
Centrifugal Force uye Bearings
Chimwe chikonzero kutakura bhora kuri nani kune-high-speed application imhaka ye centrifugal forces.Centrifugal force inotsanangurwa sesimba rinosundira kunze pamuviri uchifamba pakati pepakati uye rinobuda kubva kune inertia yemuviri.
Centrifugal Force ndiyo inonyanya kumisa chinhu pakutakura kumhanya nekuti inoshanduka kuita radial uye axial mitoro pane inotakura.Sezvo ma roller bearings ane huremu hwakawanda kudarika bhora rinotakura, iro rinotakura simba rinoburitsa simba recentrifugal rakakwirira kudarika bhora rine saizi yakafanana.
Deredza Centrifugal Force neCeramic Balls Material
Dzimwe nguva sipidhi yeapplication iri pamusoro pekumhanya kwebhora rinotakura.
Kana izvi zvikaitika, mhinduro iri nyore uye yakajairika ndeyekuchinja bhora rinotakura zvinhu kubva kusimbi kuenda kuceramic.Izvi zvinochengeta saizi yekutakura yakafanana asi inopa ingangoita 25% yepamusoro yekumhanya rating.Sezvo zvinhu zveceramic zvakareruka kupfuura simbi, mabhora eceramic anogadzira mashoma centrifugal simba kune chero yakapihwa kumhanya.
High-Speed Applications Inoshanda Zvakanakisa neAngular Contact Bearings
Angular contact bearings ndiyo yakanakisa kutakura sarudzo ye-high-speed application.Chimwe chikonzero ndechekuti mabhora madiki uye mabhora madiki anorema zvishoma uye anoburitsa mashoma centrifugal simba paanotenderera.Angular contact bearings zvakare ine yakavakirwa-mukati preload pamabearings anoshanda ne centrifugal masimba kuti anyatso kukungurusa mabhora muberengi.
Kana iwe uri kugadzira yakakwirira-kumhanya application, ipapo iwe uchazoda yakakwirira-chaiyo fani, kazhinji mukati meABEC 7 precision kirasi.
Iyo yakaderera precision bearing ine yakawanda dimensional "wiggle room" kana ichigadzirwa pane yakakwirira nemazvo.Naizvozvo, kana kutakura kuri kushandiswa pakumhanya kwakanyanya, mabhora anokurumidza kukungurukira pamusoro penzira inotakura ine kuvimbika kushoma izvo zvinogona kutungamirira mukutadza kubereka.
Yakanyanya kurongeka mabearings anogadzirwa aine akasimba zviyero uye ane kushoma kutsauka kubva kune zvakatemwa kana zvagadzirwa.High precision bearings akavimbika kune maapplication anoenda nekukurumidza nekuti anovimbisa bhora rakanaka uye nhangemutange yekudyidzana.
Kutakura Runout & Rigidity
Kutakura runout imari inotenderera shaft kubva pakati peiyo geometric painotenderera.Mamwe maapplication, sekucheka maspindles, anongobvumira kutsauka kudiki kuti kuitike pazvikamu zvayo zvinotenderera.
Kana iwe uri mainjiniya application seizvi, saka sarudza yakakwira chaiyo fani nekuti inoburitsa madiki system runouts nekuda kwekushivirira kwakasimba kwakagadzirwa.
Kutakura kuomarara ndiko kuramba kune simba rinokonzeresa kuti shaft ibve paaxis yayo uye inotora basa rakakosha mukuderedza kubuda kweshaft.Kutakura kuomarara kunobva mukudyidzana kwechinhu chinokunguruka nemujaho.Iyo yakawanda iyo inotenderedza chinhu ichidzvanywa mujaho, zvichikonzera elastic deformation, iyo inowedzera kuoma.
Kutakura kuomarara kunowanzo kukamurwa ne:
Axial rigidity
Radial rigidity
Kukwirira kusimba kwekutakura, ndiko kuwedzera simba rinodiwa kufambisa shaft kana ichishandiswa.
Ngatitarisei kuti izvi zvinoshanda sei neiyo chaiyo angular yekubata mabearings.Aya mabhengi anowanzo kuuya neyakagadzirwa offset pakati pemukati nekunze kwemujaho.Kana maangular contact bearings akaiswa, iyo offset inobviswa izvo zvinoita kuti mabhora apinde mujaho pasina simba rekushandisa rekunze.Izvi zvinodaidzwa kuti preloading uye maitiro anowedzera kubereka kuomarara kunyangwe fani isati yaona chero masimba ekushandisa.
Bearing Lubrication
Kuziva zvaunoda kutakura lubrication kwakakosha pakusarudza mabheji akakodzera uye inoda kutariswa pakutanga mukugadzira kwekushandisa.Mafuta asina kunaka ndechimwe chezvikonzero zvinowanzoitika zvekutadza kubereka.
Kuzora kunogadzira firimu remafuta pakati pechinhu chinokunguruka uye chinotakura nhangemutange chinobatsira kudzivirira kukwesha nekupisa.
Rudzi rwakawanda rwekuzora mafuta, iro rinosanganisira mafuta ane thickening agent.Iyo thickening agent inochengeta mafuta munzvimbo, saka haizosiyi kubereka.Sezvo bhora (bhora rinotakura) kana roller (roller bearing) rinokunguruka pamusoro pegirizi, iyo inokora inoparadzanisa ichisiya chete firimu remafuta pakati pechinhu chinokunguruka uye inotakura nhangemutange.Mushure mekunge chinhu chinokunguruka chapfuura, iyo mafuta uye thickening agent inobatana zvakare.
Nekumhanya-mhanya kwekushandisa, kuziva kukurumidza uko mafuta uye thickener zvinogona kuparadzanisa uye kubatana zvakare kwakakosha.Izvi zvinonzi application kana kubereka n * dm kukosha.
Usati wasarudza girisi, unofanirwa kutsvaga maapplications ako ndm kukosha.Kuti uite izvi wedzera maapplication ako RPMs nehupamhi hwepakati pemabhora ari mukutakura (dm).Enzanisa yako ndm kukosha kune iyo max yekumhanyisa kukosha kwegirisi, iri padhetabheti.
Kana yako n * dm kukosha kwakakwira kupfuura iyo grease max yekumhanyisa kukosha pane dhata, ipapo girisi haizokwanisi kupa yakakwana mafuta uye kutadza kusati kwasvika kuchaitika.
Imwe sarudzo yekuzora yeakakwira-kumhanya masisitimu ioiri mhute masisitimu ayo anosanganisa oiri nemhepo yakadzvanywa uye wobva aipinza mumujaho wekutakura panguva dzemamita.Iyi sarudzo inodhura kupfuura mafuta ekuzora nekuti inoda yekunze kusanganisa uye metering system uye yakasefa yakamanikidzwa mweya.Nekudaro, masisitimu emhute yemafuta anobvumira mabheya kushanda nekumhanya kwakanyanya uku achigadzira yakaderera huwandu hwekupisa pane girizi mabhengi.
Kune yepasi yekumhanyisa maapplication bhati remafuta rakajairika.Bhati yemafuta ndeye apo chikamu chekubereka chinonyudzwa mumafuta.Kune mabearings anozoshanda munzvimbo dzakanyanyisa, lubricant yakaoma inogona kushandiswa pachinzvimbo chepetroleum-based lubricant, asi hupenyu hwekutakura hunowanzopfupikiswa nekuda kwechimiro chefirimu remafuta ekuzora nekufamba kwenguva.Pane zvimwe zvakati wandei zvinoda kutariswa kana uchisarudza mafuta ekuzora pakushandisa kwako, ona yedu yakadzama chinyorwa "Zvese Zvaunoda Kuziva Nezve Kutakura Mafuta.
Pfupiso: Maitiro ekusarudza Bearing
Nzira yekusarudza fanicha yakakodzera yechishandiso chako:
Tsvaga Kutakura Mutoro & Kutakura Kugona
Chekutanga, ziva mhando uye huwandu hwekutakura mutoro uyo application yako ichaisa pane inotakura.Zvitoro zvidiki-kusvika-pakati-zvikuru zvinowanzoshanda zvakanyanya nemabhero ebhora.Heavy load applications inowanzoshanda zvakanyanya nemaroller bearings.
Ziva Kumhanya Kwekutenderera Kwekushandisa Kwako
Sarudza kumhanya kwekutenderera kwechishandiso chako.Kumhanya kwepamusoro (RPM) kunowanzo shanda zvakanyanya nemabhero ebhora uye kumhanya kwepasi kunowanzo shanda zvakanyanya nemaroller bearings.
Factor in Bearing Runout & Rigidity
Iwe zvakare unoda kuona kuti rudzii rwerunout application yako ichabvumira.Kana iyo application ichingobvumira kutsauka kudiki kuti kuitike, saka bhora rinenge riri sarudzo yako yakanyanya kunaka.
Tsvaga Rubrication Yako Yema Bearings Anodiwa
Zvekumhanyisa-kumhanya maapplication, verenga yako n * dm kukosha, uye kana iri pamusoro peiyo girisi max kumhanya, ipapo girizi haizokwanisa kupa mafuta akakwana.Kune dzimwe sarudzo senge oiri misting.Nokuda kwekushanda kwakaderera, bhati yemafuta isarudzo yakanaka.
Mibvunzo?Mainjiniya edu epanzvimbo angada kubuda newe uye kukubatsira iwe kusarudza yakanakisa fani yechishandiso chako.
Nguva yekutumira: Nov-16-2022