Mabeya a mpira wolumikizana ndi mzere umodzi ndi mzere wawiri

Mabeya a mpira wolumikizana ndi angularZimapangidwa ndi mphete yakunja, mphete yamkati, mpira wachitsulo, ndi khola. Zimatha kunyamula katundu wa radial ndi axial, komanso zimatha kunyamula katundu wokha wa axial, ndipo zimatha kugwira ntchito mokhazikika pa liwiro lalikulu. Ma bearing a mpira wolumikizana ndi mzere umodzi amatha kupirira katundu wa axial mbali imodzi yokha. Pamene mtundu uwu wa bearing uli ndi katundu wokha wa radial, chifukwa mzere wozungulira wa chinthu chonyamula ndi mzere wonyamula katundu wa radial sizili mu radial plane yomweyo, gawo lamkati la axial limapangidwa, kotero liyenera kuyikidwa awiriawiri.

 

1. Mabeya a mpira wolumikizana ndi mzere umodzi

Maberamu a mpira wolumikizana ndi mzere umodzi ali ndi mawonekedwe otsatirawa:

(1) Mabearing a mpira wolumikizana ndi angular omwe amatha kulekanitsidwa

Mbali yakunja ya msewu wamtunduwu wa bearing ilibe malo otsekeka, omwe amatha kulekanitsidwa ndi mphete yamkati, khola ndi gulu la mpira, kuti athe kuyikidwa padera. Mtundu uwu wa ma bearing ang'onoang'ono okhala ndi mainchesi amkati osakwana 10mm amagwiritsidwa ntchito kwambiri mu ma rotor a gyrocopic, ma micromotor ndi zida zina zomwe zimafunikira kwambiri kuti pakhale bata lamphamvu, phokoso, kugwedezeka ndi kukhazikika.

 

(2) Mabearing a mpira wolumikizana ndi angular osalekanitsidwa

Mzere wozungulira wa mtundu uwu wa bearing uli ndi malo otseguka, kotero mphete ziwirizi sizingalekanitsidwe. Pali mitundu itatu malinga ndi ngodya yolumikizirana:

(1) Ngodya yolumikizira α=40°, yoyenera kunyamula katundu waukulu wa axial;

(2) Ngodya yolumikizirana α=25°, yomwe imagwiritsidwa ntchito kwambiri pa mabearing a spindle olondola;

(3) Ngodya yolumikizirana α=15°, yomwe imagwiritsidwa ntchito kwambiri pa mabearing akuluakulu olondola.

(3) Mabeya a mpira wolumikizana ndi angular okonzedwa awiriawiri

 

Mabeya a mpira wolumikizana ndi angularZokonzedwa m'magawo awiriawiri zimagwiritsidwa ntchito kuti zigwirizane ndi katundu wa radial ndi axial, komanso katundu wa radial woyera ndi katundu wa axial mbali zonse ziwiri. Mtundu uwu wa bearing umasankhidwa ndikuphatikizidwa m'magawo awiriawiri ndi wopanga malinga ndi zofunikira zina zoyambira, ndipo umaperekedwa kwa ogwiritsa ntchito. Bearing ikayikidwa pamakina ndikumangiriridwa, malo omwe ali mu bearing amachotsedwa kwathunthu, ndipo mphete ndi mpira zimakhala mu mkhalidwe wodzaza kale, motero zimakweza kulimba kwa bearing yophatikizana.

 

Mabearing a mpira wolumikizana ndi angular omwe amakonzedwa awiriawiri amapezeka m'makonzedwe atatu osiyanasiyana:

(1) Kasinthidwe kobwerera m'mbuyo, post-code DB, kasinthidwe aka kali ndi kulimba kwabwino, magwiridwe antchito abwino opirira nthawi yogubuduzika, ndipo chogwiriracho chimatha kunyamula katundu wa axial wa mbali ziwiri;

 

(2) Kakonzedwe ka maso ndi maso, khodi yakumbuyo ndi DF, kulimba kwa kakonzedwe kameneka ndi kuthekera kopirira nthawi yogubuduzika sikwabwino ngati kakonzedwe ka DB, ndipo chotengeracho chimatha kunyamula katundu wa axial wa mbali ziwiri;

 

(3) Makonzedwe a tandem, post-code DT, kasinthidwe aka kangathenso kulumikizidwa motsatizana ndi ma bearing atatu kapena kuposerapo pa chithandizo chomwecho, koma kamatha kunyamula katundu wa axial mbali imodzi yokha. Kawirikawiri, kuti pakhale kulinganiza ndi kuchepetsa kusamuka kwa axial kwa shaft, bearing yomwe imatha kunyamula katundu wa axial mbali inayo imayikidwa pa chithandizo china.

 

2. Mabeya a mpira wolumikizana ndi mizere iwiri

Ma bearing a mpira wolumikizana ndi mizere iwiri amadziwika ndi kuthekera kopirira katundu wophatikizana wa zolemera za radial ndi axial nthawi imodzi, zomwe zimalepheretsa kusuntha kwa axial mbali zonse ziwiri za shaft.

Poyerekeza ndi chogwirira cha mpira choponderezedwa mbali ziwiri, chogwirira chamtunduwu chili ndi liwiro lalikulu kwambiri, ngodya yolumikizira ya 32°, kulimba bwino, ndipo chimatha kupirira nthawi yayikulu yogubuduzika, ndipo chimagwiritsidwa ntchito kwambiri pagalimoto yakutsogolo (mitundu ina imagwiritsanso ntchito mabearing a roller okhala ndi mizere iwiri yofanana).

 

Pali mitundu inayi ya ma bearing a mpira wolumikizana ndi mizere iwiri:

(1) Kapangidwe kabwino ka maberiyani a Mtundu A okhala ndi mainchesi akunja osakwana kapena ofanana ndi 90mm. Palibe notch ya mpira, kotero imatha kupirira katundu wofanana wa axial mbali zonse ziwiri. Khola lopepuka lagalasi lolimbikitsidwa ndi ulusi wa nayiloni 66 lagwiritsidwa ntchito, ndipo kutentha kwa beriyaniyo ndi kochepa kwambiri.

(2) Kapangidwe kokhazikika ka maberiya a Mtundu A okhala ndi mainchesi akunja opitilira 90mm. Pali malo olumikizira katundu mbali imodzi ndipo ali ndi khola losindikizidwa ndi mbale yachitsulo kapena khola lolimba la mkuwa.

(3) Mtundu E ndi kapangidwe kolimbikitsidwa, kokhala ndi mpira mbali imodzi, komwe kumatha kusunga mipira yambiri yachitsulo, kotero mphamvu yonyamula ndi yokwera.

 

(4) Maberiyani a mpira wolumikizana ndi mizere iwiri okhala ndi chivundikiro cha fumbi mbali zonse ziwiri ndi kapangidwe ka mphete yosindikizira mtundu wa A ndi mtundu wa E akhoza kukhala ndi chivundikiro cha fumbi (mtundu wosakhudzana) kapena mphete yosindikizira (mtundu wolumikizana) mbali zonse ziwiri. Mkati mwa maberiyani osindikizidwawo muli mafuta oletsa dzimbiri a lithiamu, ndipo kutentha kwa ntchito nthawi zambiri kumakhala -30~+110°C. Palibe kudzoza mafuta komwe kumafunika panthawi yogwiritsa ntchito, ndipo sikuyenera kutenthedwa kapena kutsukidwa musanayike.

 

Mukayika ma bearing a mpira wolumikizana ndi mizere iwiri, muyenera kusamala kuti ngakhale bearing ikhoza kupirira katundu wa axial wozungulira mbali imodzi, ngati pali notch ya mpira mbali imodzi, muyenera kusamala kuti katundu wamkulu wa axial asadutse mumsewu womwe uli mbali yopingasa.

 

Ngati mukufuna kudziwa zambiri zokhudza izi, chonde titumizireni uthenga:

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