Ƙananan bearings - ƙananan faranti na jiki don manyan amfani
Ƙananan bearingsDuba jerin ma'auni, tare da diamita na waje wanda bai wuce 9mm ba; Jerin Imperial, duk nau'ikan bearings tare da diamita na waje wanda bai wuce 9.525mm ba. Babban kayan sune ƙarfe mai ɗaukar kaya, bakin ƙarfe, filastik, yumbu, da sauransu, wanda diamita na ciki na Z zai iya zama 0.6mm, kuma diamita na ciki gabaɗaya shine 1mm.
Ƙananan ƙwallon bearingsAn yi su ne da ƙarfen carbon, ƙarfe mai ɗaukar kaya, bakin ƙarfe, filastik, yumbu da sauran kayayyaki, tare da amfani iri-iri, sun dace da juyawa mai sauri, ƙarancin ƙarfin gogayya, ƙarancin girgiza, ƙarancin buƙatun hayaniya (ba kasafai ake amfani da kayan ƙarfen carbon ba ga abokan ciniki, ga masu ƙarancin amfani).
1. Halayen Samfura
Ƙananan bearingssun dace da duk nau'ikan kayan aikin masana'antu, ƙananan injunan juyawa, da sauransu; A cikin 'yan shekarun nan, an sami ƙaruwar buƙatar ƙananan na'urori, masu sauƙi, da kuma siraran bango.
A cikin ƙananan bearings na rami mai zurfi, akwai nau'ikan bearings 18 masu diamita na ciki na φ2mm ko ƙasa da haka, da kuma nau'ikan jerin bearings na imperial R guda 6.
2. Babban amfani
Kayan aiki na ofis Ƙananan injina, na'urori masu laushi Na'urori masu juyawa masu matsin lamba, injinan haƙori Injinan faifai mai tauri, injinan stepper Rikodin bidiyo Ganguna masu maganadisu, samfuran kayan wasa Fannonin kwamfuta, na'urorin ɓoye bayanai da sauran fannoni.
3. Zaɓi abubuwa 11 na ƙananan bearings
Lokacin zabar ƙananan bearings, ana buƙatar la'akari da abubuwa da yawa don guje wa nau'in zaɓi da sauran kurakurai, kuma yanzu a taƙaice manyan abubuwa 11 na zaɓar ƙananan bearings don bayaninka.
1. Ƙaramin nauyin radial mai ɗaukar nauyi
Bearings ɗin da galibi ke ɗauke da nauyin radial sune bearings na tsakiya. Tare da kusurwar lamba ta A0≤45°, bearings ɗin da ke da girman iri ɗaya za su iya jure wa nauyin radial mafi girma fiye da bearings ɗin ball.
Bearings na N-type da NU cylindrical na iya ɗaukar nauyin radial kawai, yayin da sauran nau'ikan bearings na centripetal za su iya ɗaukar nauyin radial da axial.
2. Nauyin ƙananan bearings na axial
Bearing ɗin da ke ɗauke da nauyin axial gabaɗaya bearing ne na turawa, kuma kusurwar hulɗarsa ta asali A0>45°. Bearings na turawa da bearings na ƙwallon hulɗa na kusurwa na turawa na iya jure wa ƙarfin axial a ɗaya ko duka kwatance a lokaci guda, ya danganta da tsarin. Idan ƙarfin bearing ɗin ya yi yawa musamman, ana fifita bearings na juyawa na silinda da bearings na juyawa na zagaye.
Bearings na ƙwallo mai siffar ƙwallo da kuma bearings na ƙwallo mai kusurwa ɗaya na iya ɗaukar nauyin axial da radial, yayin da sauran bearings na ƙwallo za su iya ɗaukar nauyin axial kawai.
3. Diyya ta tsawon da aka yi wa ƙaramin bearing da aka shigo da shi da kansa
Tallafawa shaft da bearing yawanci yana ɗaukar haɗin bearing mai tsayayye da bearing mai tafiya. Bearings masu tafiya suna rama kurakuran tsayin shaft da faɗaɗa zafi.
Bearings na NU da N silinda sune bearings masu tafiya da suka dace waɗanda ke daidaita tsayin su da kansu. Ana iya haɗa zoben ciki da waje na bearings ɗin sosai.
4. Diyya mai tsayi don dacewa da zamiya na ƙaramin ɗaurin
Ana iya amfani da ƙananan bearings waɗanda ba za a iya raba su ba, kamar bearings masu zurfi da bearings masu zagaye, a matsayin bearings masu tafiya. Ɗaya daga cikin fearrules guda biyu na wannan nau'in bearing yana haɗuwa kuma ba shi da saman gyara axial. Don haka, ɗaya daga cikin fearrules na bearing za a iya motsa shi akan saman bearing ɗinsa.
5. Mai rabawaƙananan bearings(daidai)
Wannan bearing ne da za a iya sanya shi daban da ferrules, kuma fa'idodinsa suna bayyana ne idan aka haɗa ferrules ɗin biyu sosai.
Bearings ɗin da za a iya rabawa sun haɗa da bearings ɗin lamba mai maki huɗu, bearings ɗin lamba mai layi biyu tare da zobba biyu na ciki, bearings ɗin naɗa silinda, bearings ɗin naɗa mai tauri, bearings ɗin thrust ball, bearings ɗin naɗa silinda, da bearings ɗin naɗa mai siffar ƙwallo.
Bearings ɗin da ba za a iya raba su ba sun haɗa da: bearings ɗin ƙwallon da ke da zurfin rami, bearings ɗin ƙwallon da ke da kusurwa ɗaya, bearings ɗin ƙwallon da ke da siffar ƙwallo, da bearings ɗin da ke da siffar ƙwallo mai siffar ƙwallo.
6. Micro-bearingdaidaito
A mafi yawan lokuta, ya isa a yi amfani da bearings na birgima na girman gabaɗaya da daidaiton juyawa.
Lokacin da buƙatun suka fi girma, bearings suna buƙatar ƙimar daidaito mafi girma.
7. Ƙananan bearingskar a rama rashin tsaka-tsaki
Daidaito ba daidai ba yana faruwa ne lokacin da ake yin aikin gyaran saman mating na mujallar ko saman mating na gida, musamman lokacin da ba a kammala saman mating a cikin hawa ɗaya ba. Daidaito ba daidai ba kuma yana iya faruwa lokacin amfani da gidajen (misali, gidajen flange ko gidajen tsaye). Lokacin da aka lanƙwasa kuma aka canza shaft saboda nauyin aiki, wanda ke haifar da karkatar da zoben ciki da na waje na bearing, daidaiton zai kuma faru.
Bearings na siffar siffa na iya rama rashin daidaito da karkatarwa, kamar bearings na ƙwallon zagaye, bearings na centripetal da thrust spiral roller bearings. Waɗannan bearings suna da hanyar tsere ta zobe mai siffar siffa mai siffar siffa mai siffar siffa mai siffar siffa wadda abin birgima da zoben ciki za su iya juyawa. Ikon waɗannan bearings na rama kusurwar tsakiya ta karkata na shaft ya dogara da nau'in su, girman su, da kuma yanayin nauyin su.
Duk bearings masu siffar ƙwallo da kuma bearings masu ture ball tare da tsere suna da saman bearings masu siffar ƙwallo: ana iya daidaita kusurwar karkatarwa da aka biya lokacin da aka sanya su a cikin tseren ƙwallo mai siffar ƙwallo mai siffar ƙwallo.
8. Saurin ɗaukar ƙananan ƙwayoyin cuta
Gogayya tsakanin bearings ɗin layi ɗaya yana da ƙarancin gaske, don haka yana yiwuwa a kai ga saurin Z mai girma. Waɗannan bearings suna samuwa a cikin bearings ɗin ƙwallon da ke da zurfin tsagi waɗanda za su iya jure wa nauyin radial kawai da bearings ɗin ƙwallon hulɗa na kusurwa waɗanda za su iya jure wa nauyin da aka haɗa.
Don inganta daidaiton girma, daidaiton juyawa da kuma ɓangaren haɗuwa na bearings, amfani da man shafawa da hanyoyin sanyaya, da kuma amfani da nau'ikan keji na musamman na iya ƙara saurin juyawa da aka yarda da shi na bearings.
Ƙarancin aiki na amo
Ana buƙatar ƙarancin hayaniya a cikin ƙananan injuna, kayan ofis da kayan aikin gida gabaɗaya.
9. Micro-bearingramin mazugi
Ana iya ɗora bearings masu siffar konkoma kai tsaye zuwa ga mujallu masu tauri (misali bearings masu siffar silinda guda ɗaya da biyu a cikin gine-gine masu inganci). Lokacin shigar da waɗannan bearings, ana iya daidaita wani radial clearance.
Yawancin bearings masu siffar ƙwallo, bearings masu siffar drum da bearings masu siffar ƙwallo masu siffar ƙwallo mai siffar ƙwallo za a iya ɗora su a kan wani ma'ajiyar silinda mai matse hannun riga. Waɗannan bearings suna da sauƙin shigarwa da cirewa.
10. Ƙaramin taurin ɗaukar nauyi
Taurin bearings da aka shigo da su yawanci yana nufin ƙarfin da ake buƙata don samar da wani canjin roba na bearing. Bearings ɗin da ke kan sandar injin da shaft ɗin pinion suna buƙatar babban matakin tauri. Saboda yanayin hulɗa daban-daban tsakanin abin birgima da hanyar tsere, taurin bearings ɗin nadi ya fi na bearings ɗin ball girma.
11. Ƙwaƙwalwar ɗaukar ƙananan ƙwayoyin cuta
Baya ga dumamawa da wargazawa, gogayya ta ciki kuma tana taka muhimmiyar rawa wajen tantance zafin aiki na bearing. Ƙananan bearings na gogayya sune: bearings na ƙwallon rami mai zurfi tare da nauyin radial, ƙananan bearings na ƙwallon lamba mai kusurwa ɗaya da bearings na silinda tare da keji. Bearings masu rufewa da hulɗa, bearings na naɗa silinda cike da kaya, da bearings na naɗa thrust duk suna haifar da gogayya mai girma.
Lokacin Saƙo: Afrilu-27-2026
