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Maberamu a Mpira Olimba Ozungulira

Ma bearing a mpira wolumikizana ndi angular adapangidwa mwapadera kuti agwirizane ndi katundu wophatikizana, mwachitsanzo, wochita zinthu nthawi imodzi monga radial ndi axial loads. Kuthekera kopirira katundu wolumikizana kumawonjezeka ndi ngodya yolumikizana ndi α. Ngodya yolumikizana imafotokozedwa ngati ngodya pakati pa mzere wamba wamba pamalo olumikizirana (kapena pakati pa mzere wolumikizana) pakati pa chinthu chozungulira ndi raceway, ndi radial plane ya bearing. Katundu amatumizidwa pamzerewu kuchokera ku raceway imodzi kupita ku ina. Pa ma bearing a mzere umodzi, ngodya yolumikizana imatha kuzindikirika ndi ma suffix code osiyanasiyana.

    Mabearing a mpira wolumikizana ndi angular omwe amapangidwa ndi awa:

    · Mabeya a mpira wolumikizana ndi mzere umodzi

    · Mabeya a mpira wolumikizana ndi mizere iwiri

    · Maberiya a mpira wolumikizana ndi mfundo zinayi

    Makhalidwe a Kapangidwe ka Ma Bearings a Mpira Wolumikizana ndi Mzere Umodzi

    Ma bearing a mpira wolumikizana ndi mzere umodzi amatha kupirira katundu wozungulira womwe ukugwira ntchito mbali imodzi. Pansi pa katundu wozungulira, mphamvu yozungulira imapangidwa mkati mwa bearing, yomwe iyenera kutsutsidwa ndi mphamvu yotsutsana nayo. Chifukwa chake, ma bearing awa nthawi zambiri amafunikira bearing yachiwiri kuti ikhale yofanana. Ma bearing a mpira wolumikizana ndi mzere umodzi amatha kunyamula mipira yambiri, zomwe zimapangitsa kuti ikhale ndi mphamvu zambiri zonyamula katundu.

    Ma angles olumikizana amapezeka m'mitundu itatu

    · 15° (chiphaso C)

    · 25° (chiphaso khodi AC)

    · 40° (chiphaso B)

    Ma bearing a mpira wolumikizana ndi mzere umodzi amagawidwa m'mitundu yosalekanitsidwa ndi yosalekanitsidwa. Ma bearing osalekanitsidwa amagawidwanso m'magulu okhazikika, othamanga kwambiri, komanso othamanga kwambiri kuti agwiritsidwe ntchito mosiyanasiyana. Ma bearing olekanitsidwa (mphete zamkati ndi zakunja zitha kuyikidwa padera) amagwiritsidwa ntchito m'zigawo zomwe zili ndi malo ochepa oyika, monga ma magnetos, ndipo amatchedwanso ma bearing a magneto.

    Makhola a Mabearings Osalekanitsidwa

    · Khola lokhazikika: Khola la utomoni wa phenolic wolimbikitsidwa ndi ulusi, lotsogozedwa ndi mphete yamkati (palibe code yomaliza).

    · Makhola ena (omwe ali ndi ma code owonjezera):

    · TA: Khola la utomoni wa phenolic wolimbikitsidwa ndi ulusi, lotsogozedwa ndi mphete yakunja

    · TN: Khola lopangidwa ndi nayiloni 66 lolimba ndi ulusi wagalasi

    · M: Khola la mkuwa lopangidwa ndi makina

    Makhola a Mabearings Olekanitsidwa (Magneto Bearings)

    · Gwiritsani ntchito makamaka makhola a nayiloni 66 opangidwa ndi ulusi wagalasi.

    · Makhola amkuwa osindikizidwa amapezeka mukawapempha.

    Mabearing okhala ndi ma cage a nayiloni 66 opangidwa ndi ulusi wagalasi ndi oyenera kugwiritsidwa ntchito kwambiri ndipo amatha kugwira ntchito bwino mkati mwa kutentha kwa -30°C mpaka +120°C.

    Maberamu a Mpira Wolumikizana ndi Mfundo Zinayi

    Ma bearing a mpira wolumikizana ndi mfundo zinayi ndi mtundu wa bearing ya mpira wolumikizana ndi mzere umodzi wokhala ndi njira zothamangira zomwe zimapangidwa kuti zigwirizane ndi katundu wa axial wozungulira mbali ziwiri. Ma bearing awa amafuna malo ochepa a axial poyerekeza ndi ma bearing a mizere iwiri. Ma bearing a mpira wolumikizana ndi mfundo zinayi omwe atchulidwa patebulo pansipa ali ndi ngodya yolumikizana ya 35°. Mzere wamkati umagawidwa m'magawo awiri, zomwe zimapangitsa kuti mipira yambiri ikhale ndi mphamvu yokweza katundu. Ma bearing amatha kulekanitsidwa, zomwe zikutanthauza kuti magawo awiri a mphete yamkati ndi mphete yakunja yokhala ndi mpira ndi khola zitha kuyikidwa padera.

    Maberamu a Mpira Wolumikizana ndi Angular Angular

    Maberiyani a mpira wolumikizana ndi mizere iwiri amapangidwa mofanana ndi maberiyani awiri a mpira wolumikizana ndi mzere umodzi omwe amakonzedwa kumbuyo ndi kumbuyo. Komabe, m'lifupi mwake ndi wocheperako pang'ono kuposa maberiyani awiri a mzere umodzi, ndipo ngodya yolumikizana ndi 30°. Maberiyani awa amapereka kulimba kwambiri, amatha kupirira nthawi yopendekeka, ndipo sangalekanitsidwe. Mitundu ya mapangidwe omwe alipo ndi awa:

    1. Ndi malo odzaza mbali imodzi: Kapangidwe kameneka kamalola mipira ikuluikulu komanso yambiri, zomwe zimapangitsa kuti katundu wa axial ukhale wokwera kwambiri komanso wolunjika mbali imodzi. Nthawi zambiri amagwiritsa ntchito zitsulo zosindikizidwa kapena zikwama zolimba zamkuwa. Zoyenera kugwiritsidwa ntchito mwachangu kwambiri.

    2. Popanda malo odzaza: Kapangidwe kameneka kakhoza kunyamula katundu wofanana wa axial. Kamagwiritsa ntchito ma cage a nayiloni 66 olimbikitsidwa ndi ulusi wagalasi kapena ma cage achitsulo osindikizidwa, zomwe zimapangitsa kuti kutentha kukhale kochepa komanso kutentha kotsika. Ubwino uwu ndi wofunikira kwambiri pa ntchito yothamanga kwambiri.

    3. Ndi zishango kapena zomatira: Zimapezeka ndi zishango (zosakhudzana) kapena zomatira (zokhudzana) mbali imodzi kapena zonse ziwiri. Ma bearing otsekedwa awa amadzazidwa kale ndi mafuta oletsa dzimbiri komanso opaka mafuta (mafuta ochokera ku lithiamu #2 pokhapokha ngati atchulidwa mwanjira ina). Kutentha kogwira ntchito: -30°C mpaka +100°C. Amapaka mafuta kosatha ndipo safuna kukonzedwa.

    Zolemba Zofunika

    · Musatenthetse kapena kutsuka musanayike.

    · Mabearing okhala ndi zishango ndi oyenera kwambiri kuzungulira mphete yamkati. Ngati mphete yakunja izungulira pa liwiro lopitirira malire ena, mafuta amatha kutuluka.

    · Pa maberiya okhala ndi zisindikizo mbali zonse ziwiri, milomo yotsekera imakhudza mipata ya mapewa amkati mwa mphete. Zisindikizozo zimapangidwa ndi rabara yopangidwa yosagwira mafuta komanso yosatha, yolimbikitsidwa ndi mapepala achitsulo. Kutentha kovomerezeka kwa zisindikizo ndi -40°C mpaka +120°C.

    · Zisindikizo zimamangiriridwa m'mipata yomwe ili pa mapewa akunja a mphete, zomwe zimapangitsa kuti chisindikizocho chisakhale ndi kusintha kwa masinthidwe. Milomo yotsekerayo imapanikizika pang'ono pa mphete yamkati. Pazifukwa zovuta kwambiri (monga kuthamanga kwambiri kapena kutentha), mafuta amatha kutuluka kuchokera ku mphete yamkati. Ngati mafuta akutuluka sakuvomerezeka kugwiritsa ntchito, njira zapadera zopangira zingafunike.

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