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Roller inobereka

Roller inobereka

Roller bearing imhando yekutakura, uye ndeimwe yezvikamu zvinoshandiswa zvakanyanya mumichina yemazuva ano. Iyo inotsamira pakukunguruka kusangana pakati pezvikamu zvikuru kutsigira zvikamu zvinotenderera. Roller mabheji zvino anyanya kugadzirwa. Roller mabheji ane zvakanakira diki yekutanga torque, yakanyanya kutenderera kutenderera, uye sarudzo iri nyore.

tsananguro:
Rolling bearings yakakamurwa kuita bhora mabearings uye roller bearings zvichienderana nekukungurutsa simba.
Roller mabheji anotsamira pakutenderedza kusangana pakati pezvikamu zvikuru kutsigira zvikamu zvinotenderera. Yakasiyana-siyana roller bearings inogona kumira zvakasiyana radial uye axial masimba. Paunosarudza roller bearings, sarudzo inofanira kuitwa maererano nemamiriro ezvinhu chaiwo ekushanda.
Roller mabhengi anonyanya kusanganisira spherical roller bearings, thrust spherical roller bearings, tapered roller uye cylindrical roller bearings uye mamwe marudzi ezvimiro.

Roller inobereka

Kusarudzwa kwemhando:
Pakusarudza bearings, zvinonyanya kutariswa ndezvizvi:
Akatakura mutoro
Kukura, kutungamira uye chimiro chemutoro pakutakura ndizvo zvinhu zvikuru pakusarudza kutakura.
Paunosarudza kutakura maererano nehukuru hwemutoro, kana uchienzaniswa nepamusoro pekubatana kwebhora, zvikamu zvikuru mumutsetse wekutakura zviri mumutsara wekubatana, izvo zviri nyore kutakura mutoro uye deformation mushure mokunge mutoro uri muduku.
Pakusarudza mabhengi zvinoenderana negwara remutoro, kune yakachena axial mitoro, thrust bearings inowanzosarudzwa. Kune yakakura axial simba, sarudza thrust roller bearings. Sarudza kukanda bhora mabhengi kune madiki axial mauto. Kune yakachena radial mitoro, yakadzika groove bhora mabhengi, cylindrical roller fani kana tsono fani dzinowanzo shandiswa. Paunenge uchitakura radial mutoro uchiri kutakura diki axial load, yakadzika groove ball bearings kana tapered roller bearings inogona kusarudzwa; kana axial mutoro mukuru, angular kuonana mabhora ane hombe kuonana makona anogona kusarudzwa Kutakura kana tapered roller kutakura.
Bearing speed:
Mumamiriro ezvinhu akajairwa, kumhanya hakuzove nemhedzisiro pasarudzo yerudzi rwekubereka, asi kana kumhanya kwakakura, kumhanya kunofanirwa kuverengerwa muyero yekutakura kusarudzwa.
(1) Kuenzaniswa nemaroller bearings, mabhora ebhora ane nhanho yepamusoro yekumhanya, saka kana iri yekumhanya zvakanyanya, mabhora ebhora anopihwa pekutanga.
(2) Kana iri dhayamita yemukati yakafanana, iyo dhayamita yekunze idiki, idiki inotenderedza zvinhu, saka simba recentrifugal rinowedzerwa kune mhete yekunze nezvinhu zvinotenderedza idiki, saka rinonyanya kukodzera kushanda nekumhanya kwakanyanya. . Zvinoenderana neakapihwa zvivakwa, tsono roller bearings inonyanya kukodzera kushanda nekumhanya kukuru.

Roller inobereka
Iko-self-aligning performance yebearing:
Kana mutsara wepakati we shaft usingaenderane nemutsara wepakati wechigaro chekutakura uye paine kukanganisa kweangular, kana kana shaft yakakotama kana kurerekera nekuda kwekumanikidza, axis yemukati nekunze zvindori zvekutakura zvichave. deflected. Panguva ino, kutakura kwekuzvigadzirisa kune imwe dhigirii yekuzvigadzirisa kuita kana bhora rekunze re spherical rine chigaro rinofanira kushandiswa.
Roller mabearings anonyanya kunzwisiswa nekutsauswa kwekutakura, uye kutakura mutoro werudzi urwu rwekutakura pasi pekutsauka kunogona kunge kwakaderera pane kwebhora. Nokudaro, kana shaft kuoma uye kusimba kwetsigiro yegomba rekutakura chigaro chakaderera, kana kana pane nguva yakakura yekutsauka, kushandiswa kwemhando iyi yekutakura kunofanira kudziviswa zvakanyanya sezvinobvira.
Kubereka kuisa uye kubvisa
Kana chigaro chekutakura chisina nzvimbo yakatsemuka uye zvikamu zvinofanirwa kuiswa uye kubviswa munzira yeaxial, mabhengi ane mhete dzemukati uye dzekunze dzinoparadzaniswa (senge N0000, NA0000, 30000, nezvimwewo) inofanirwa kufarirwa.

Lubrication nzira:
Lubrication inokosha zvikuru pakutakura. Iyo lubricant mubereni haingogone kuderedza kupesana kwekupokana, asiwo kuita basa mukupisa kupisa, kuderedza kushushikana kwekusangana, kutora vibration, uye kudzivirira ngura.
Inowanzo shandiswa nzira dzekuzora dzemabheya kukwirisa oiri nekuzora mafuta. Yakazorwawo nemafuta akasimba. Ndeipi nzira yekuzora inosarudzwa zvinoenderana nekumhanya kwekutakura. Kazhinji, iyo dn kukosha kwekubereka (d ndiyo dhayamita yemukati yekutakura, mm; n ndiyo kukurumidza kwekutakura, r / min) inoratidza kukurumidza kwekutakura.

Roller inobereka

Cylindrical rollers uye mijaho mitsetse yekubatanidza mabhengi. Kutakura huwandu, kunyanya kutakura radial mutoro. Iko kukakavara pakati pechinhu chinoputika uye chidimbu chekuchengetedza chemhete idiki, iyo yakakodzera kutenderera-kumhanya. Zvinoenderana nekuti mhete ine mbabvu here, inogona kupatsanurwa kuita mutsara mumwe cylindrical roller mabhengi akadai seNU, NJ, NUP, N, NF, uye kaviri mutsara cylindrical roller mabhengi akadai seNNU neNN. Bearing rine chimiro chinopatsanurika chine mhete yemukati nemhete yekunze.
Cylindrical roller bearings isina mbabvu pane mhete yemukati kana mhete yekunze, mhete yemukati uye yekunze mhete inogona kufamba maererano neaxial direction, saka inogona kushandiswa sekusununguka kwekupedzisira. Cylindrical roller bearings ine mbabvu mbiri kune rumwe rutivi rwemhete yemukati uye yekunze mhete uye imwe mbabvu kune rumwe rutivi rwemhete inogona kutakura imwe chiyero cheaxial mutoro mune imwe nzira. Kazhinji shandisa simbi yekutsika keji kana mhangura alloy mota yakasimba keji. Asi kune zvakare chikamu chekushandiswa kwepolyamide kugadzira cage.
Bearing features:
1. Roller uye mugwagwa wemujaho uri mumutsara wekusangana kana kugadziridzwa kunze kweinternet, ine yakakura radial mutoro simba, yakakodzera kutakura mutoro unorema uye kukanganisa mutoro.
2. Iko friction coefficient idiki, yakakodzera kukurumidza kukurumidza, uye muganhu wekumhanya uri pedyo neiyo yakadzika groove ball bearing.
3. Rudzi rweN uye rudzi rweNU runogona kufamba axially, runogona kuenderana nekuchinja kwechinzvimbo chehukama cheshaft uye imba inokonzerwa nekuwedzera kwekushisa kana kukanganisa kwekuisa, uye inogona kushandiswa sechitsigiro chekupedzisira chekusununguka.
4. Izvo zvinodikanwa zvekugadzirisa shaft kana gomba rechigaro zvakakwirira, uye kutsauka kwehukama hwekunze kwemhete axis mushure mekuiswa kwekutakura kunofanira kunyatsodzorwa kuti usasangana nekushushikana kwekushushikana.
5. Mhete yemukati kana mhete yekunze inogona kuparadzaniswa kuti zvive nyore kuisa uye disassembly.
zvigadzirwa zvemhando:
Iyo cylindrical roller iri mumutsara wekubatana nemujaho, uye iyo radial mutoro huwandu hwakakura. Haisi chete yakakodzera kutakura mutoro unorema uye inokanganisa mutoro, asiwo yakakodzera kune yakakwirira-kutenderera kutenderera.
Mijaho uye zvinhu zvinotenderedza zvecylindrical roller bearings zvine geometrically shaped. Mushure mekugadzirwa kwakagadziridzwa, ine hukuru hwekutakura mutoro. Iyo mitsva yekugadzira dhizaini yembabvu uye roller inoguma inotarisana haingonatsiridza iyo axial mutoro-inotakura simba rekutakura, asiwo inovandudza mamiriro ekuzora enzvimbo yekusangana pakati pezviso zve roller uye mbabvu. Kuita kwekubereka.
Inonyanya kushandiswa kumahombe uye epakati-saizi mota, locomotives, muchina chishandiso spindle, injini dzinopisa dzemukati, majenareta, turbines egasi, ekudzikisa magiya mabhokisi, anotenderedza zvigayo, vibrating skrini, uye kusimudza nekutakura muchina.

Roller inobereka

Spherical roller bearings ine mitsara miviri yema rollers, ayo anonyanya kutakura radial mutoro, asi anogonawo kutakura axial mutoro mune chero nzira. Iine yakakwirira radial mutoro simba, inonyanya kukodzera kushanda pasi pemutoro unorema kana vibration mutoro, asi haigone kutakura yakachena axial mutoro. Iyo yekunze mhete yemujaho werudzi urwu rwekubereka ndeye spherical, saka kurongeka kwayo kuita kwakanaka, uye inogona kutsiva coaxiality kukanganisa.
Kune mitsara miviri ye symmetrical spherical rollers, rin'i yekunze ine yakajairwa denderedzwa remujaho, uye mhete yemukati ine mijaho miviri yakarerekera pakona kune inotakura axis. Iine yakanaka alignment performance. Kana shaft yakakotama kana kuisirwa kunze kwepakati Iyo inotakura inogona kushandiswa zvakajairika panguva imwe chete. Iko kurongeka kunosiyana neiyo inotakura saizi series. Kazhinji, iyo inotenderwa kurongeka kona ndeye 1 ~ 2.5 madhigirii. Rudzi urwu rwekutakura rune simba rakakura rekutakura, uye kutakura kunogona kumira radial load. Iyo double-acting axial load ine zvirinani kukanganisa kuramba. Kazhinji kutaura, kumhanya kunobvumirwa kushanda kwema spherical roller bearings kwakadzikira.

Roller inobereka
Spherical roller bearings yakakamurwa kuita zvimiro zviviri zvakasiyana: symmetrical spherical rollers uye asymmetrical spherical rollers zvinoenderana neyakachinjika-chikamu chimiro chema rollers. Asymmetrical spherical roller bearings zvigadzirwa zvekutanga, kunyanya zvekugadzirisa masevhisi einjini huru, uye dhizaini nyowani yeinjini huru Symmetrical spherical roller bearings haiwanzo kushandiswa. Iyo yemukati chimiro chave neyakagadziriswa dhizaini dhizaini uye parameter optimization. Kuenzaniswa neakambogadzirwa spherical roller mabearings, inogona kumira yakakura axial mutoro. Kupisa kwekushanda kweiyi kubereka Iyo yakaderera, saka inogona kusangana nezvinodiwa zvekumhanya kwepamusoro. Zvinoenderana nemhete yemukati ine kana isina mbabvu nekeji inoshandiswa, inogona kupatsanurwa mumhando mbiri: C mhando uye CA mhando. C mhando mabheji anoratidzirwa pasina mukati memhete mbabvu uye simbi ndiro Stamping cage, CA mhando yeTeruien kutakura inoratidzirwa nembabvu kumativi ose emukati mhete uye kushandiswa kwemotokari yakagadzirwa yakasimba cage.
Spherical roller bearings yakakamurwa kuita: cylindrical bore uye conical bore. Iyo tape yebore ine 1:12, yekumashure kodhi K ye spherical roller bearings, uye 1:30, kodhi yekumashure ndeye spherical roller bearings K30. Kana rudzi urwu rwekutakura ruchifananidzwa nekonical shaft, mhete yemukati inofamba pamwe chete neaxial direction yekugadzirisa radial clearance yekutakura.

Roller inobereka

Features:
1. The roller uye raceway vari mumutsara kuonana kana kugadziriswa offline kuonana, nehombe radial kutakura simba, akakodzera kutakura inorema mitoro uye kukanganisa mitoro.
2. Iko friction coefficient idiki, yakakodzera kukurumidza kukurumidza, uye muganhu wekumhanya uri pedyo neiyo yakadzika groove ball bearing.
3. Rudzi rweN uye rudzi rweNU runogona kufamba axially, runogona kuenderana nekuchinja kwechinzvimbo chehukama cheshaft uye imba inokonzerwa nekuwedzera kwekushisa kana kukanganisa kwekuisa, uye inogona kushandiswa sechitsigiro chekupedzisira chekusununguka.
4. Izvo zvinodikanwa zvekugadzirisa shaft kana gomba rechigaro zvakakwirira, uye kutsauka kwehukama hwekunze kwemhete axis mushure mekuiswa kwekutakura kunofanira kunyatsodzorwa kuti usasangana nekushushikana kwekushushikana.
5. Mhete yemukati kana mhete yekunze inogona kuparadzaniswa kuti zvive nyore kuisa uye disassembly.

Roller inobereka

Ndeupi musiyano uripo pakati pemabhora ebhora uye roller bearings
1. Vakasiyana pahunhu
1. Roller bearing: chimwe chezvikamu zvakashandiswa zvakanyanya mumashini emazuva ano.
2. Kutakura bhora: Rudzi rwekukunguruka. Bhora rinoiswa pakati pemhete yemukati uye mhete yekunze uye inogona kutakura mutoro mukuru.
Chechipiri, nheyo yacho yakasiyana
1. Kutakura bhora: Sarudza nzvimbo yakaenzana yezvikamu zviviri (kazhinji shaft uye chigaro chekutakura) kuti uone kuti zvinotenderera zvakasununguka pakutumira mutoro. Pakumhanya kwakanyanya (senge mune gyro bhora mabearings), iyi application inogona kuwedzerwa kuti ibatanidze kutenderera kwemahara, nepo kutakura kunenge kusina kupfeka.
2. Roller mabheji: tsigira zvikamu zvinotenderera nekukungurutsa kuonana. Akasiyana-siyana anotenderera mabhengi anogona kumira akasiyana radial uye axial masimba. Paunosarudza rolling bearings, dzinofanirwa kusarudzwa maererano nemamiriro chaiwo ekushanda.

Roller inobereka

Needle roller mabearings ane matete uye akareba roller (roller dhayamita D≤5mm, L/D≥2.5, L ndiyo kureba kweroller), saka iyo radial chimiro chakabatana, uye dhayamita yaro yemukati uye mutoro wekutakura zvakafanana nemamwe marudzi. of bearings , Iyo yekunze dhayamita ndiyo idiki, iyo inonyanya kukodzera kubereka mhedzisiro uko radial yekuisa saizi inogumira. Zvinoenderana neakasiyana mashandisirwo, mabhengi asina mhete yemukati kana tsono roller uye cage zvikamu zvinogona kusarudzwa. Panguva ino, iyo jenari pamusoro uye gomba gomba rinoenderana nebearing rakananga rinoshanda semukati nekunze kutenderedza nzvimbo yebereko kuti ive nechokwadi chekuremerwa uye mashandiro ekuita Zvakafanana nekubereka nemhete, kuoma, machining kurongeka uye kunaka kwepamusoro kweiyo. mujaho wepamusoro weshaft kana gomba reimba rinofanira kunge rakafanana nemujaho wemhete inotakura. Rudzi urwu rwekutakura runogona chete kutakura radial mutoro.

zuva

26 October 2020

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Roller inobereka

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