Mabheya ebhora reSingle Row vs Double Row Deep Groove Ball: Ndeipi yaunofanira kusarudza?

Nhanganyaya

Kusarudza pakati pemabheya ebhora emutsara mumwe chete neakadzika mutsetse une mutsetse wakapetwa kaviri kunokanganisa zvakawanda kupfuura kukwana: kunochinja mashandiro anoita muchina mutoro, kumhanya, kuomarara, uye hupenyu hwebasa. Kunyangwe magadzirirwo ese ari maviri aine musimboti wakafanana wekushanda, anokodzera mamiriro akasiyana ekushanda uye zvinokosheswa pakugadzira. Chinyorwa chino chinotsanangura mutsauko unoshanda pakati pemagadzirirwo maviri aya, kusanganisira kuti chimwe nechimwe chinoshanda zvakanaka kupi, kuti chii chinotarisirwa, uye kuti zvinhu zvakaita semitoro ye radial ne axial, nzvimbo iripo, uye kumhanya kwekutenderera zvinopesvedzera sei sarudzo. Nemamiriro ezvinhu iwayo, zvinova nyore kufananidza mhando yebheya nezvinodiwa chaizvo zvekushandisa pane kuvimba nemitemo.

Sei Uchifanira Kusarudza Ball reMutsetse Mumwechete kana reMutsetse Muviri Wakadzika Groove

Mabheyaringi ebhora akadzikainomiririra dhizaini yekudzivirira kukweshana inoshandiswa zvakanyanya muinjiniya yeindasitiri neyemotokari, inokosheswa nekuda kwayokukweshana kwakaderera, ruzha rwakaderera, uye kugona kugamuchira mitoro ye radial neye axial. Kunyange hazvo nheyo dzekushanda dzichiramba dzakafanana muchikamu chose, sarudzo pakati pemutsara mumwe chete uye gadziriro yemutsara miviri inoshandura zvakanyanya kugona kwemuchina wekubatanidza kutenderera. Mainjiniya anofanirwa kuyera zvinodiwa zvemutoro, zvirambidzo zvenzvimbo, uye zvinangwa zve kinematic kuti vaone dhizaini yakakodzera yebheyaringi yekushandiswa kwakapihwa.

Kusarudza mhando chaiyo haisi nyaya yekukwana kwehukuru chete; zvinoda kuongororwa kwakasimba kwekushanda kwemushandisi. Bearing yemutsara miviri haisi yepamusoro kune vese nekuti ine zvinhu zvakawanda zvinotenderera, uye bearing yemutsara mumwe chete haisiyo sarudzo inoshanda zvakanyanya. Kunzwisisa miganho chaiyo yekushanda kwemhando imwe neimwe kwakakosha pakuwedzera nguva yekushanda kwemuchina uye kuderedza mari yese yekuva muridzi.

Rodha purofiti, miganhu yenzvimbo, uye zvinangwa zvekumhanya

Pakugadzira mubatanidzwa unotenderera, kugona kwekutakura zvinhu uye kuwanikwa kwenzvimbo ndizvo zvinonyanya kukosha pakusarudza mabheyaringi. Mabheyaringi ebhora emutsetse mumwechete (akadai seISO 6000, 6200, uye 6300 series) akagadzirirwa kushanda nekukurumidza uye maprofayili emutoro ane mwero. Anopa kuenzana kwakanaka kwekutsigira mutoro weradial uye kugona kwemutoro weaxial mukati menzvimbo yakamanikana yeaxial.

Kusiyana neizvi, mabheya ebhora ane mutsetse wakadzika we double row (akadai se 4200 ne 4300 series) akagadzirwa kuti ashandiswe apo mutoro we radial unodarika kugona kwe bearing yemutsara mumwe chete, asi zvipingamupinyi zvenzvimbo ye radial zvinorambidza kufamba kuenda kudhayamita yakakura yekunze. Nekuisa mutsara wechipiri wemabhora, mabheya aya anowanzo buritsa 1.5 kusvika 1.8 kanopfuura simba re radial re dynamic re bearing yemutsara mumwe chete we bore nedhayamita yekunze. Zvisinei, simba iri rakawedzerwa rinouya nekuda kwemutengo we axial envelope yakakura uye kudzikiswa kwekumhanya kwakanyanya kunobvumirwa kushanda, kazhinji kudzikisa muganho wekumhanya ne 20% kusvika 30% zvichienzaniswa ne single row counterpart.

Njodzi dzekusarudza mhando yebheyaringi isiriyo

Kutsanangura mamiriro ebheya asina kururama kunounza matambudziko makuru emakanika uye emari. Kutsanangura zvakanyanya beya remitsara miviri mukushandiswa kwekumhanya kukuru, kushoma mutoro kunowedzera kukweshana kwekutenderera, zvichikonzera kupisa kwakawandisa kunogona kuderedza mafuta uye kutungamira mukukundikana kwekupisa nekukurumidza. Nzvimbo yakakura inotorawo nzvimbo yakakosha yemugodhi, zvingangoda magadzirirwo edzimba anorema uye anodhura.

Kusatsanangura zvakakwana nekusarudza bearing yemutsara mumwe chete yekushandiswa kweheavy-duty kune njodzi yakafanana. Kana mitoro yeradial ikapfuura dynamic load rating (C) nepakati yakakura, bearing ichadzikira zvakanyanya muhupenyu hwayo hwekuneta hweL10. Semuenzaniso, kushandisa bearing yemutsara mumwe chete pa120% yesimba rayo rakatarwa kunogona kuderedza hupenyu hwayo hwekushanda neanopfuura 40%, zvichikonzera kukurumidza kupararira kwemigwagwa yemujaho, kutadza kushanda zvakanaka kwekeji, uye nguva yekusashanda kwemuchina isina kurongwa.

Kusiyana kweMaumbirwo uye Mashandiro

Kusiyana kwezvivakwa pakati pemabheya ebhora emugero wepamutsetse mumwe chete neaviri ndiwo anotungamira miganhu yekushanda kwawo. Kunyange zvazvo ese ari maviri achishandisa migero yakadzika, inoenderera mberi yemujaho wepamujaho yakagadzirirwa kuwana mwero wepamusoro wekuenderana nezvinhu zvinotenderera, geometry yemukati uye kuomarara kwechimiro zvakasiyana zvakanyanya.

Geometry yemukati, dhizaini yemujaho, uye bhora rinokwana

Mabheya emutsara mumwe chete ane nzira yemujaho isina kukanganiswa pamaringi emukati neekunze, zvichivabvumira kutsigira mitoro yeaxial munzira dzese dziri mbiri. Bhora rinowanzo wedzerwa kuburikidza nenzira yekubatanidza nzira ye eccentric displacement, iyo isingade nzvimbo dzekuzadza. Iyi nzira yemujaho isina kukanganiswa yakakosha pakuchengetedza vibration yakaderera uye ruzha pamafambiro epamusoro ekutenderera.

Mabheya emitsara miviri ane nzira mbiri dzakafanana dzemujaho. Zvichienderana nemugadziri uye nhevedzano chaiyo, mamwe mabheya emitsara miviri anoshandisa nzvimbo dzekuzadza kuti aise mabhora akawanda, zvichiwedzera zvakanyanya kugona kwemutoro weradial. Zvisinei, kuvapo kwenzvimbo yekuzadza kunotyora kuenderera mberi kwefudzi remujaho. Mabheya ane nzvimbo dzekuzadza ane muganho mukukwanisa kwawo kubata mitoro yeaxial, sezvo simba rekusundidzira rinorema richasundidzira mabhora pamipendero yeslot, zvichikonzera kukuvara nekukurumidza. Magadzirirwo eslot isina kuzadza miviri yemutsara aripo uye anopa rutsigiro rwakanaka rweaxial rwedivi rimwe nerimwe, kunyangwe kugona kwawo kweradial kwakaderera zvishoma pane ane nzvimbo dzekuvhara.

Kugona kumhanya, kuomarara, uye kusawirirana

Kushanda nesimba kunosiyana zvakanyanya pakuongorora kumhanya, kuomarara, uye kusarongeka zvakanaka. Mabheya emutsara mumwe chete anoratidza kukweshana kwemukati kwakaderera nekuda kwekubatana kushoma uye magadzirirwo ari nyore ekeji. Izvi zvinobvumira mabheya emutsara mumwe chete kuti awane kumhanya kunodarika 30,000 RPM muhukuru hudiki hwemabhoya. Uyezve, mabheya emutsara mumwe chete anopa mwero mudiki wekuchinjika, kazhinji achishivirira kukanganiswa kwemakona kwemaminetsi maviri kusvika gumi e arc pasina kutambura zvakanyanya nekuremerwa kwemucheto.

Mabheya emitsara miviri akaomarara. Maitiro ekubata maviri anoita kuti pave nechimiro chakasimba chekutsigira chinodzivirira kutsauka kwemugodhi. Kunyange zvazvo zvichibatsira kuchengetedza nzvimbo chaiyo yemugodhi pasi pemitoro inorema, kuomarara uku kunoita kuti mabheya emitsara miviri ave nyore kana akanganiswa. Anowanzo shivirira arc kwemaminitsi maviri chete. Kusagadzikana kupi zvako kupfuura tight threshold iyi kunomanikidza kusaenzana kwemutoro pakati pemitsara miviri, zvichikonzera kusakara kwakanyanya pamutsara wakawandisa.

Tafura yekufananidza mutsara mumwe chete vs mutsara miviri

Tafura inotevera inoratidza musiyano mukuru wemakanika uye mashandiro pakati pemitsara yakajairika yemutsara mumwe chete nemitsara miviri yakadzika yegomba remugero rine dhayamita yakaenzana yebhore nedhayamita dzekunze.

Maitiro Ekuongorora Kubatsira Kwakakodzera Kwekushandisa Kwako

Kusarudza bearing yakakodzera kunoda kuongororwa kwakarongeka kwenzvimbo yemakanika. Mainjiniya anofanirwa kupfuura zviyero zvekatalogu yekutanga uye kuongorora shanduko dzakanangana, zvipingamupinyi zvenzvimbo, uye mhedzisiro yenguva refu yehupfumi yekushandiswa.

Zvinhu zvakakosha zvekutarisa pakutanga

Maitiro ekuongorora anofanira kutanga nekuverenga kwakanyatsojeka kwe equivalent dynamic bearing load (P), uchishandisa standard ISO formula: P = XFr + YFa, apo Fr iri radial load, Fa iri axial load, uye X na Y ndiwo ma radial ne axial load factors anoenderana. Kukosha uku kwakakosha pakuona chiyero che dynamic load (C) chinodiwa che bearing.

Kana mutoro wangoyerwa, mainjiniya anofanira kuziva nguva yekuneta yeL10h. Semuenzaniso, midziyo yemumba yakajairika ingangoda nguva yekuneta yeL10h yemaawa 2,000 kusvika 4,000 chete, zvichibvumira kuti pave nebheya remutsara mumwe chete rakareruka. Kusiyana neizvi, kushanda nguva dzose.mota dzemaindasitirikana kuti ma paper mill rollers anowanzoda hupenyu hweL10h hunopfuura maawa 40,000. Kana mutsetse mumwe chete wekutakura zvinhu usingakwanise kuzadzisa hupenyu uhwu pasi pemutoro wakaverengerwa pasina kuwedzera dhayamita yekunze, mutsetse wekutakura zvinhu zviviri unova mhinduro inodiwa yeinjiniya.

Dzimba, mugodhi, uye zvirambidzo zvekuisa

Magadzirirwo edzimba neshaft anoisa zvirambidzo zvakasimba pakusarudzwa kwemabheya. Kureba kwenzvimbo yebheya ine mitsara miviri kunoda chigaro chakareba cheshaft uye bhoya rehousing rakadzama. Kana magadzirirwo emakanika akakomberedza asingakwanise kukwana upamhi uhwu hwakawedzerwa, mainjiniya anogona kumanikidzwa kushandisa mabheya maviri akasiyana emutsara mumwe chete, izvo zvinounza matambudziko akaomarara e shimming uye alignment.

Uyezve, kushivirirana kwekubatana kunotsanangurwa neISO standard fit (semuenzaniso, j5/k5 yemashaft anotenderera, H6/J6 yemahousings asina kutenderera) kunofanirwa kuchengetedzwa zvakasimba. Nekuti mabheringi maviri emutsara anonyanya kukanganiswa nekusarongeka, shaft inofanira kugadzirwa kuti ive yakasimba uye yakatwasuka. Kana dhizaini yeshaft ichikombama pasi pemutoro (kutsauka kupfuura 2 arc minutes), bheringi remutsara maviri richasangana nekurema kwakanyanya, zvichiita kuti ive sarudzo isina kukodzera kunyangwe ine simba rakawanda rekufunga.

Njodzi yemitengo, kugadzirisa, uye kukundikana kwehupenyu hwese

Mari yose yekuva muridzi weimba inodarika mutengo wekutanga wekutenga. Mabheyaringi maviri anowanzo kuve nemutengo wepamusoro we40% kusvika 70% pane mamwe mabheyaringi emutsara mumwe chete ane saizi imwe chete, zvichikonzerwa nekushandiswa kwakanyanya kwezvinhu uye maitiro akaoma ekugadzira nekugadzira.

Zvisinei, mari inoshandiswa pakugadzirisa zvinhu inofanira kuverengerwa nguva dzekugadzirisa zvinhu uye njodzi dzekukundikana. Kana bheya remutsara mumwe chete richishanda pamuganhu wesimba rayo, kuwedzera kwehuwandu hwekugadzirisa zvinhu, kuputsika kwemafuta, uye njodzi yekukundikana kukuru zvichakurumidza kuderedza mari yaunochengetedza pakutanga. Kusiyana neizvi, kushandisa bheya remutsara miviri mukushandiswa kwakasimba, kwakazara zvinhu zvakawanda kunogona kuwedzera nguva iri pakati pekukundikana (MTBF) nezviuru zvemaawa, zvichideredza zvakanyanya mari yekuchengetedza kwenguva refu.

Zvinhu Zvinoita Kuti Kutenga, Hunhu, uye Kutevedzera Mutemo

Kupfuura kukura kwefungidziro uye kuongororwa kwemakanika, mashandiro ebheya anoenderana zvakanyanya nezvinodiwa pakugadzira, mhando yezvinhu, uye manejimendi yakasimba yezvekutengeswa kwezvinhu. Mapoka ekutenga nekusimbisa mhando anofanira kuona kuti mabheya akatarwa anosangana nemiyero yakasimba yekutevedzera mitemo yepasi rose.

Kirasi yekushivirira, kubvisa, kuvhara, uye zvinhu zvekeji

Mabheya anofanira kutsanangurwa zvichienderana nemakirasi ekushivirira anozivikanwa, akadai seABEC scale (ABEC 1, 3, 5, 7) kana ISO equivalents (P0, P6, P5, P4). Pamashandisirwo akajairwa eindasitiri, ABEC 1 / ISO P0 inowanzo kukwana, asizvishandiso zvemuchina zvine manyawi epamusorozvingada ABEC 5 / ISO P5 kuderedza kumhanya kwemhepo. Kubviswa kweradial yemukati kwakakoshawo; mabheyaringi anoshanda munzvimbo dzinopisa zvakanyanya (dzinodarika 100°C) kana akaiswa nekupinda kwakasimba kwemukati memotokari anofanira kutsanangurwa neC3 kana C4 clearance kudzivirira kubatana kwemukati nekuda kwekuwedzera kwekupisa.

Zvivharo uye zvinhu zvekeji zvinosarudza kukodzera kwezvakatipoteredza. Zvivharo zvekubata (zvakaita se2RS rabha seals) zvinopa dziviriro yakanaka kubva pakupinda kwezvikamu asi zvinogadzira kukweshana kunoderedza kumhanya kwakanyanya kusvika ku20%. Zvivharo zvesimbi zvisina kubata (ZZ) zvinobvumira kumhanya kwakanyanya asi hazvidziviriri zvakanyanya kubva kumvura. Zvinhu zvekeji zvinosiyanawo zvichienderana nebasa: makeji esimbi akajairwa anochinjika, nepo makeji egirazi-fiber akasimbiswa polyamide (PA66) anopa kukweshana kwakaderera asi anongogumira pakupisa kuri pasi pe120°C. Kune kutetepa kwakanyanya kana kupisa kwakanyanya, makeji emhangura akagadzirwa nemashini anonyanya kufarirwa.

Kukodzera kwemutengesi, kuteverwa, uye kuongororwa

Kuve nechokwadi chekuti mabheya akavimbika kunoda hunyanzvi hwakasimba hwemutengesi. Vagadziri vanofanira kunge vaine zvitupa zvakaita seISO 9001 kana IATF 16949 (yekushandisa mota), vachiona kuti yakasimbamasisitimu ekutarisira mhandoKutevedza zvinhu hakugoneke; mabheyaringi ebhora akadzika epamusoro-soro anofanira kugadzirwa nesimbi yesimbi inobvisa gasi (semuenzaniso, 100Cr6 kana SAE 52100) yakapiswa nekupisa kusvika pakuoma kwakafanana kwe58 kusvika 65 HRC.

Kuongorora kwehunhu kunofanirwa kusanganisira kuyedzwa kwakasimba kweruzha nekudengenyeka (zvinowanzoiswa muzvikamu zvakati seZ1/V1 kusvika Z4/V4), pamwe nekusimbiswa kwehukuru. Kune mafambiro emuchadenga kana ekurapa, chiyero chekukanganisa chinogamuchirwa chinofanira kudzorwa zvakanyanya, kazhinji chinotarisirwa kuva pasi pe50 Parts Per Million (PPM). Mapoka ekutenga anofanira kukumbira mishumo yakazara yekuongorora uye zvitupa zvekushandisa kuti vaone kuti zvinotevedzwa here vasati vabvumidza kuiswa kwebulk.

Maitiro Ekusarudza uye Mienzaniso Yekushandisa

Kuchinja kubva pakuongorora dzidziso kuenda kutsanangudzo yekupedzisira kunoda nzira yakarongwa kuti ive nechokwadi chekuti zvese zvinoshanduka zvemakanika, nzvimbo, uye hupfumi zvinogadziriswa. Kushandisa hurongwa hwesarudzo nhanho nhanho kunodzivirira kutarisa kwakakosha uye kunovimbisa kuenderana kwakanaka kwekushandiswa.

Maitiro ekusarudza nhanho nhanho

Maitiro ekusarudza akasimba anofanira kutevedzera runyorwa rwakarongeka kuti aone magadzirirwo akakodzera emabheari. Kutanga, nyora mavector ekutanga emutoro kuti uone kana masimba eradial kana axial ari kutonga. Chechipiri, sarudza RPM yepamusoro inoshanda uye uiongorore uchienzanisa nekumhanya kwekupisa kwebheari. Chechitatu, verenga hupenyu hwekuneta hunodiwa hweL10h zvichibva pamutoro wakaenzana. Chekupedzisira, ongorora nzvimbo iripo yeaxial mukati meimba.

Kuti zviite nyore kuita izvi, mainjiniya vanogonashandisa matrix yesarudzo inoteverakuti ukurumidze kuona magadzirirwo ebheyaringi akakodzera zvakanyanya zvichibva pamatanho ekushandisa anotonga.

| Paramita Yekushandisa | Favour Single Row | Favour Double Row | | :— | :— | :— | |Rudzi rweMutoro Mukuru| Radial Yakareruka/Ine Pakati Nepakati, Kukwesha Kwakakwirira | Radial Inorema, Kukwesha Kwakaderera | |Nzvimbo yeAxial Inowanikwa| Yakaganhurirwa / Yakamanikana | Yakakura / Yakafara | |Kumhanya Kwekushanda| Yakakwira (> 15,000 RPM) | Yakaderera kusvika Pakati Nepakati (< 10,000 RPM) | |Kutsauka kwemugodhi / Kukombama| Pakati nepakati (kumusoro)

Zvinhu Zvinokosha Zvaunofanira Kuziva

• Mhedziso dzakakosha uye chikonzero cheDeep Groove Ball Bearings
• Magadzirirwo, kutevedzera mitemo, uye kuongororwa kwenjodzi zvinofanirwa kuongororwa usati waita chibvumirano
• Matanho anotevera anoshanda uye mazano anogona kushandiswa nevaverengi ipapo ipapo

Mibvunzo Inowanzo bvunzwa

Ndirini pandinofanira kusarudza bhora remugero rakadzika remutsara mumwe chete?

Sarudza mutsara mumwe chete wekushandisa zvinomhanya zvakanyanya, zvine mutoro uri pakati nepakati uye nzvimbo shoma ye axial, senge mota, mafeni, uye ma conveyor.

Ndeipi nzira iri nani apo bhora remugero rakadzika pamutsara miviri rine sarudzo yekusarudza?

Shandisa mutsetse wakapetwa kaviri kana mitoro ye radial yakakwira asi haugone kuwedzera dhayamita yekunze. Inopa kugona kwe radial kweinenge 1.5–1.8× ine bearing yakafara.

Ko bhora remugero rakadzika rine mutsetse wakapetwa kaviri rinoshanda nekukurumidza zvakanyanya here?

Kwete. Mabheyaringi maviri anowanzo mhanya zvishoma ne20%–30% kupfuura mhando dzemutsara mumwe chete dzakafanana nekuda kwekukweshana kwakanyanya uye kupisa kunobva kwadzikira.

Ko mabheyaringi ebhora ane mutsetse wakadzika we double row anogona kutora mutoro we axial kumativi ese ari maviri here?

Mamwe anogona, asi magadzirirwo ane nzvimbo dzekuzadza ane kugona kushoma kwe axial. Tarisa data remakatuni uye katalogi usati waashandisa pasi pekuiswa mutoro.

DEMY ingandibatsira sei kusarudza bhora remugero rakadzika rakakodzera?

Tumira DEMY ruzivo rwako rwekutakura, kumhanya, nzvimbo, uye mashandisirwo. Katalogi yavo yemagetsi nerutsigiro rwehunyanzvi zvinogona kuenderana nenhevedzano yakakodzera yekushandiswa neOEM kana mumaindasitiri.