Na farko, ainihin tsarin ɗaukar hoto
Babban abun da ke ciki na haɓakawa: zobe na ciki, zobe na waje, jikin mirgina, keji
Zoben ciki: sau da yawa yana daidaitawa tare da shaft, kuma a juya tare.
Zobe na waje: sau da yawa tare da canjin wurin zama, musamman don tallafawa tasirin.
Abun zobe na ciki da na waje yana ɗaukar ƙarfe GCr15, kuma taurin bayan maganin zafi shine HRC60 ~ 64.
Na'ura mai jujjuyawa: ta hanyar keji da aka shirya daidai a cikin zobe na ciki da mahara zobe na waje, siffarsa, girmansa, lamba suna tasiri kai tsaye ƙarfin ɗaukar nauyi da aiki.
Cage: Baya ga keɓance nau'in mirgina a ko'ina, yana kuma jagorantar jujjuyawar abin birgima kuma yana inganta aikin sa mai na ciki yadda ya kamata.
Karfe ball: The abu ne kullum hali karfe GCr15, da kuma taurin bayan zafi magani ne HRC61 ~ 66.An rarraba darajar daidaito zuwa G (3, 5, 10, 16, 20, 24, 28, 40, 60, 100, 200) daga babba zuwa ƙasa bisa ga juriyar juzu'i, haƙurin siffar, ƙimar ma'auni da rashin ƙarfi na saman.
Hakanan akwai tsarin ɗaukar kayan taimako
Murfin ƙura (zobe na hatimi): don hana al'amuran waje shiga cikin abin da aka ɗauka.
Man shafawa: mai, rage rawar jiki da hayaniya, sha zafin gogayya, ƙara yawan lokacin sabis.
Na biyu, rarrabuwa na bearings
Dangane da ƙayyadaddun kaddarorin abubuwan motsi masu motsi sun bambanta, ana iya raba bearings zuwa birgima da birgima nau'i biyu.A cikin naɗaɗɗen birgima, waɗanda aka fi sani su ne ƙwallo mai zurfin tsagi, ɗigon abin nadi na silinda da bugun ƙwallon ƙafa.
Ƙwallon ƙwallon ƙafa mai zurfi ya fi ɗaukar nauyin radial, kuma yana iya ɗaukar nauyin radial da lodin axial tare.Lokacin da aka yi amfani da nauyin radial kawai, kusurwar lamba ba ta zama sifili ba.Lokacin da zurfin tsagi ball bearing yana da babban radial barbashi, yana da aikin na angular lamba bearing kuma zai iya jure da yawa axial load, da gogayya coefficient na zurfin tsagi ball bearing ne karami, kuma iyaka juzu'i gudun kuma yana da girma.
Ƙwallon ƙwallon ƙafa mai zurfi shine mafi girman alamar mirgina tare da fa'idar amfani.Ya dace da jujjuyawa mai sauri har ma da aiki mai saurin jujjuyawa, kuma yana da tsayi sosai kuma baya buƙatar kulawa akai-akai.Irin wannan nau'in yana da ƙananan ƙima mai ƙima, saurin iyaka mai girma, tsari mai sauƙi, ƙarancin masana'anta da sauƙin cimma daidaiton masana'anta.Girman kewayon da canjin yanayi, ana amfani da su a cikin ingantattun kayan kida, ƙananan motocin hayaniya, motoci, babura da galibin injuna da sauran masana'antu, shine nau'in nau'in injin injina na yau da kullun.Yafi ɗaukar nauyin radial, kuma yana iya ɗaukar adadin adadin axial.
Silindrical abin nadi bearing, da juyi jiki ne centripetal mirgina hali na Silindrical abin nadi bearing.Silindrical abin abin nadi da titin tseren layin lamba ne.Babban ƙarfin lodi, galibi don ɗaukar nauyin radial.Tashin hankali tsakanin nau'in mirgina da bakin zobe yana da ƙananan, wanda ya dace da aiki mai sauri.Dangane da ko zoben yana da flange, ana iya raba shi zuwa NU\NJ\NUP\N\NF da sauran nau'i-nau'i guda ɗaya, da NNU\NN da sauran nau'i-nau'i biyu.
Ƙwararren abin nadi na silinda tare da zobe na ciki ko na waje ba tare da haƙarƙari ba, wanda zoben ciki da na waje za su iya matsawa kusa da juna axially kuma saboda haka ana iya amfani da su azaman ɗaukar hoto na kyauta.Daya gefen zobe na ciki da na waje zobe yana da haƙarƙari biyu, kuma ɗayan gefen zoben yana da wani abin nadi na silinda tare da haƙarƙari guda ɗaya, wanda zai iya tsayayya da nauyin axial a hanya ɗaya zuwa wani iyaka.Akan yi amfani da kejin takardan ƙarfe, ko ƙaƙƙarfan kejin da aka yi da ƙarfe na jan karfe.Amma wasu daga cikinsu suna amfani da polyamide kafa keji.
An ƙera ƙwanƙwasa ƙwallo don jure kayan turawa yayin aiki mai sauri kuma an haɗa su da zoben gasket tare da tsagi na tsere don mirgina ƙwallon.Domin zoben shine siffar kushin kujera, ƙwalwar turawa ta kasu kashi biyu: nau'in kushin tushe mai lebur da kuma daidaita nau'in wurin zama.Bugu da ƙari, irin waɗannan bearings na iya tsayayya da nauyin axial, amma ba nauyin radial ba.
Ƙunƙarar ƙwallon ƙwallon ta ƙunshi zoben wurin zama, zoben shaft da taron kejin ƙwallon ƙarfe na ƙarfe.Zoben shaft ɗin ya dace da ramin, kuma zoben wurin zama ya dace da harsashi.Ƙaƙwalwar ƙwallon ƙwallon ƙafa sun dace kawai don ɗaukar wani ɓangare na nauyin axial, ƙananan sassa na sauri, irin su ƙugiya na crane, famfo na tsaye, centrifuges na tsaye, jacks, ƙananan gudun hijira, da dai sauransu The shaft zobe, wurin zama zobe da mirgina jiki na bearing. an rabu kuma za'a iya shigar da kuma tarwatsa su daban.
Uku, mirgina rai rai
(1) Babban lalacewar nau'ikan birgima
Rage gajiya:
A cikin mirgina bearings, nauyin ɗaukar nauyi da motsi na dangi na lamba (raceway ko mirgina jiki), saboda ci gaba da kaya, na farko a ƙarƙashin ƙasa, zurfin da ya dace, ɓangaren rauni na fashewa, sa'an nan kuma haɓaka zuwa ga lamba surface, sabõda haka, da surface Layer na karfe flake fita, sakamakon da hali ba zai iya aiki kullum, wannan sabon abu da ake kira gajiya spalling.Ƙarshen gajiya na ƙarshe na mirgina bearings yana da wuya a guje wa, a gaskiya ma, a cikin yanayin shigarwa na yau da kullum, lubrication da hatimi, yawancin lalacewa mai lalacewa shine lalacewar gajiya.Sabili da haka, rayuwar sabis na bearings yawanci ana kiranta azaman sabis na gajiyawar bearings.
Nakasar filastik (nakawar dindindin):
Lokacin da jujjuyawar ta kasance mai nauyi mai yawa, ana haifar da nakasar filastik a cikin jujjuyawar jiki da kuma jujjuyawa zuwa lamba, kuma jujjuyawa zuwa saman saman yana haifar da haƙori, yana haifar da girgiza mai tsanani da hayaniya yayin tafiyar da ɗaukar nauyi.Bugu da ƙari, ƙwayoyin waje na waje a cikin abin da aka ɗauka, nauyin tasiri mai yawa, ko kuma lokacin da nauyin ya tsaya, saboda girgizar na'ura da wasu dalilai na iya haifar da shigar da lamba a farfajiyar lamba.
Sawa da tsagewa:
Saboda motsin dangi na birgima da titin tsere da mamaye datti da ƙura, juzu'i da jujjuyawa zuwa saman yana haifar da lalacewa.Lokacin da yawan lalacewa ya yi girma, ƙaddamarwar ɗaukar hoto, amo da rawar jiki yana ƙaruwa, kuma ana rage daidaiton tafiyar da motsi, don haka kai tsaye yana rinjayar daidaiton wasu manyan injuna.
Na huɗu, matakin daidaiton ɗabi'a da hanyar wakilcin share amo
An raba daidaiton birgima zuwa daidaiton girma da daidaiton juyawa.An daidaita madaidaicin matakin kuma an raba shi zuwa matakai biyar: P0, P6, P5, P4 da P2.An inganta daidaito daga matakin 0, dangane da yadda aka saba amfani da matakin 0 ya isa, bisa ga yanayi daban-daban ko lokuta, matakin da ake buƙata na daidaito ba iri ɗaya bane.
Biyar, sau da yawa ana yin tambayoyi masu ɗaukar nauyi
(1) Ƙarfe mai ɗaukar nauyi
Nau'in mirgina da aka fi amfani da shi na ƙarfe mai ɗaukar nauyi: babban hadaddun carbon mai ɗaukar ƙarfe, ƙarfe mai ɗaukar ƙarfe, ƙarfe mai jure lalata, ƙarfe mai ɗaukar zafi mai ƙarfi
(2) Lubrication na bearings bayan shigarwa
Lubrication ya kasu kashi uku: maiko, mai mai mai, m lubrication
Lubrication na iya sa jujjuyawar ta gudana ta al'ada, guje wa hulɗar tsakanin titin tsere da saman birgima, rage juzu'i da sawa a cikin abin ɗaukar, da haɓaka lokacin sabis na ɗaukar.Man shafawa yana da mannewa mai kyau da juriya da juriya da zafin jiki, wanda zai iya inganta juriya na iskar shaka na babban zafin jiki da haɓaka rayuwar sabis na bearings.Maiko a cikin abin da ke ɗaukar nauyin kada ya zama mai yawa, kuma mai yawa mai yawa zai zama rashin amfani.Mafi girman saurin ɗaukar hoto, mafi girman cutarwa.Zai sa ƙarfin yin aiki lokacin da zafi ya yi girma, zai kasance da sauƙin lalacewa saboda zafi mai yawa.Saboda haka, yana da mahimmanci musamman don cika maiko a kimiyyance.
Shida, mai ɗauke da kariyar shigarwa
Kafin shigarwa, mai da hankali don bincika ko akwai matsala tare da ingancin ɗawainiya, zaɓi daidai kayan aikin shigarwa daidai, kuma kula da tsabtar ɗamarar yayin shigar da ɗamarar.Kula da har ma da karfi lokacin bugawa, danna a hankali.Bincika ko an shigar da bearings da kyau bayan shigarwa.Ka tuna, kafin aikin shirye-shiryen ya ƙare, kar a kwance kayan aiki don hana kamuwa da cuta.
Lokacin aikawa: Satumba-12-2023