Ma Bearings, monga gawo lofunikira komanso lofunikira lazinthu zamakina, amagwira ntchito yofunika kwambiri pothandizira shaft yozungulira.Kutengera ndi mitundu yosiyanasiyana ya mikangano yonyamula, chotengeracho chimagawika m'mizere yozungulira (yomwe imatchedwa rolling bearing) ndi sliding friction bear (yomwe imatchedwa sliding bear).Mitundu iwiri ya ma bearings ili ndi mawonekedwe awoawo mu kapangidwe kake ndi zabwino ndi zovuta pakuchita.

1. Kufananiza mayendedwe ogudubuza ndi ma sliding bearings

1. Kuyerekeza kwa mapangidwe ndi kayendetsedwe ka kayendetsedwe kake

Kusiyana kodziwikiratu pakati pa mayendedwe ogudubuza ndi ma bere omveka ndi kukhalapo kapena kusapezeka kwa zinthu zogudubuza.

(1) Mapiritsi ozungulira amakhala ndi zinthu zogudubuza (mipira, ma cylindrical rollers, tapered rollers, ma roller a singano), omwe amazungulira kuti athandizire tsinde lozungulira, kotero gawo lolumikizana ndilo mfundo, zinthu zambiri zogubuduza, malo okhudzana kwambiri.

(2) Chovala chotsetsereka sichikhala ndi zinthu zogudubuza, ndipo shaft yozungulira imathandizidwa ndi malo osalala, kotero gawo lolumikizana ndi pamwamba. Kusiyana kwa kapangidwe pakati pa ziwirizi kumatsimikizira kuti kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kamwe kapabumwebumwemwemwe Ikiwajo lugha ikukhudzireyi & # 202je 2014 zikhala zolondola ndi yolondola ndi yosiyana kwambiri.

2. Kuyerekeza kwa kunyamula mphamvu

Nthawi zambiri, chifukwa cha kupanikizika kwakukulu kwa mayendedwe otsetsereka, mphamvu yonyamulira ya mayendedwe otsetsereka nthawi zambiri imakhala yapamwamba kuposa ya mayendedwe ogudubuza, ndipo kuthekera kwa ma fani kugubuduza kupirira katundu siwokwera, koma mayendedwe amadzimadzi okwanira. imatha kupirira katundu wodabwitsa kwambiri.Liwiro lozungulira likakhala lalitali, mphamvu ya centrifugal ya zinthu zogubuduza muzonyamula zimawonjezeka, ndipo mphamvu yake yonyamulira iyenera kuchepetsedwa (phokoso limakonda kuchitika mwachangu).Kwa mayendedwe otsetsereka a hydrodynamic, mphamvu yonyamula katundu imawonjezeka pamene liwiro lozungulira likuwonjezeka.

3. Kufananiza kwa friction coefficient ndi kuyamba kukaniza frictional

Pazikhalidwe zogwirira ntchito, kugundana kwa ma bearings ogubuduza kumakhala kotsika poyerekeza ndi mayendedwe otsetsereka, ndipo mtengo wake ndi wokhazikika.Kupaka mafuta otsetsereka kumakhudzidwa mosavuta ndi zinthu zakunja monga kuthamanga kozungulira ndi kugwedezeka, ndipo kugunda kwapakati kumasiyana mosiyanasiyana.

Poyambira, popeza kutsetsereka sikunakhazikitse filimu yokhazikika yamafuta, kukana kumakhala kokulirapo kuposa kutulutsa kozungulira, koma kukana koyambira komanso kugundana kogwira ntchito kwa hydrostatic kutsetsereka kumakhala kochepa kwambiri.

4. Kugwiritsa ntchito liwiro kuyerekezera

Chifukwa cha kuchepa kwa mphamvu ya centrifugal ya zinthu zogubuduza ndi kukwera kwa kutentha kwa chonyamulira, chonyamula sichingazungulire kwambiri, ndipo nthawi zambiri chimakhala choyenera pakugwira ntchito kwapakatikati ndi otsika.Chifukwa cha kutentha ndi kuvala kwa bere, kuthamanga kwa ntchito yamafuta osakwanira amadzimadzi sikuyenera kukhala okwera kwambiri.The mkulu-liwiro ntchito kubereka kwathunthu madzi-lubricated ndi zabwino kwambiri, makamaka pamene hydrostatic kutsetsereka kubala ntchito mpweya monga lubricant, liwiro lake akhoza kufika 100000r/mphindi.

5. Kuyerekeza kwa kutaya mphamvu

Chifukwa cha kagawo kakang'ono ka mikangano ya mayendedwe ogubuduza, kutayika kwa mphamvu nthawi zambiri sikukhala kwakukulu, komwe kumakhala kocheperako kuposa mayendedwe osakwanira amadzimadzi, koma kumachulukirachulukira pamene kuthira ndi kuyika sikuli koyenera.Kuwonongeka kwamphamvu kwa mayendedwe amadzimadzi opaka mafuta ndikotsika, koma kwa mayendedwe a hydrostatic kutsetsereka, kutayika kwathunthu kwa mphamvu kumatha kukhala kwakukulu kuposa kutsika kwa hydrodynamic sliding bearings chifukwa cha kutayika kwamphamvu kwa mpope wamafuta.

6. Kuyerekezera moyo wautumiki

Chifukwa cha kukopa kwa zinthu komanso kutopa, ma bere ogudubuza nthawi zambiri amapangidwa kwa zaka 5 mpaka 10, kapena kusinthidwa panthawi yokonzanso.Mapadi onyamula osakwanira amadzimadzi opaka mafuta amavalidwa kwambiri ndipo amafunika kusinthidwa pafupipafupi.Moyo wamtundu wamadzimadzi wothira mafuta ndi wopandamalire, koma pochita, chifukwa cha kupsinjika kwanthawi zonse, makamaka pama mayendedwe otsetsereka a hydrodynamic, zonyamula pad zimatha kutopa.

7. Kuyerekeza kulondola kozungulira

Chifukwa cha kuchepa kwa ma radial ang'onoang'ono a ma bearings ogudubuza, kulondola kwa kasinthasintha nthawi zambiri kumakhala kokwera.Zosakwanira zamadzimadzi zopakidwa mafuta zili m'malire opaka mafuta kapena mafuta osakanikirana, ndipo ntchitoyo ndi yosakhazikika, kuvala kumakhala kwakukulu, ndipo kulondola kumakhala kochepa.Mapiritsi amadzimadzi okhala ndi mafuta amakhala olondola kwambiri chifukwa cha kukhalapo kwa filimu yamafuta, kutsekemera komanso kuyamwa kwamadzi.The hydrostatic sliding bearing ali ndi kulondola kwakukulu kozungulira.

8. Kuyerekezera m’mbali zina

Mapiritsi ogubuduza amagwiritsa ntchito mafuta, mafuta kapena mafuta olimba. Mlingo ndi wochepa kwambiri, ndipo mlingo wake ndi waukulu pa liwiro lalikulu. Ukhondo wa mafuta umayenera kukhala wapamwamba, kotero umafunika kuti usindikizidwe, koma kunyamula kumakhala kosavuta kusinthanitsa ndipo kawirikawiri sikufunikira kukonza magazini.

Pazitsulo zotsetsereka, kupatula zokhala ndi mafuta osakwanira, mafutawo amakhala amadzimadzi kapena gasi, ndipo kuchuluka kwake ndi kwakukulu, komanso ukhondo wamafuta umafunikanso. Chitsamba chonyamula chimayenera kusinthidwa pafupipafupi, ndipo nthawi zina magaziniyo amakonzedwa.

2. Kusankha ma fani ogudubuza ndi ma sliding bearings

Chifukwa cha zovuta komanso zosiyanasiyana zenizeni zogwirira ntchito, palibe muyezo umodzi wosankha ma fani ogudubuza ndi ma sliding bearings.Chifukwa cha kagawo kakang'ono ka mikangano, kukana koyambira kocheperako, kukhudzika, kuchita bwino kwambiri, komanso kukhazikika, mayendedwe oyenda amakhala ndi kusinthasintha kwakukulu komanso kusinthasintha, ndipo ndiosavuta kugwiritsa ntchito, kuthira mafuta ndikuwongolera. amagwiritsidwa ntchito kwambiri.

Ma bere otsetsereka pawokha ali ndi maubwino ena apadera, ndipo amagwiritsidwa ntchito nthawi zina pomwe sizingatheke, zosokoneza kapena zopanda zabwino kugwiritsa ntchito zogudubuza, monga izi:

1. Kukula kwa danga la radial ndikochepa, kapena chochitikacho chiyenera kugawanika ndikuyika

Chifukwa cha mphete yamkati, mphete yakunja, thupi lopunduka ndi khola mu kapangidwe kake kozungulira, kukula kwa radial ndi kwakukulu, ndipo kugwiritsa ntchito kumakhala kochepa.Pamene zofunikira za kukula kwa radial ndizokhwima, zonyamula singano zimatha kusankhidwa. Ngati ndi kotheka, mayendedwe otsetsereka ayenera kusankhidwa.Kwa mayendedwe omwe ali ovuta, kapena sangathe kukhazikitsidwa kuchokera ku axial direction, ndi mbali zomwe ziyenera kuikidwa padera, zitsulo zogawanika zimagwiritsidwa ntchito.

2. Zochitika zolondola kwambiri

Ma fani omwe amagwiritsidwa ntchito ali ndi zofunikira zolondola kwambiri, mayendedwe otsetsereka nthawi zambiri amasankhidwa, chifukwa filimu yopaka mafuta pama bere otsetsereka imatha kubisa ndikuyamwa kugwedezeka. Pamene zofunika mwatsatanetsatane ndi apamwamba kwambiri, kokha hydrostatic kutsetsereka mayendedwe angasankhe.Kwa makina opukutira olondola komanso olondola kwambiri, zida zosiyanasiyana zolondola, ndi zina zambiri, mayendedwe otsetsereka amagwiritsidwa ntchito kwambiri.

3. Nthawi zolemetsa kwambiri

Mapiritsi ogudubuza, kaya ndi mpira kapena ma roller bearings, amatha kutentha ndi kutopa pogwiritsira ntchito katundu wolemetsa.Chifukwa chake, katunduyo akachuluka, mayendedwe otsetsereka amagwiritsidwa ntchito nthawi zambiri, monga mphero, ma turbines a nthunzi, zida za injini ya aero ndi makina amigodi.

4. Nthawi zina

Mwachitsanzo, liwiro logwira ntchito ndilokwera kwambiri, kugwedezeka ndi kugwedezeka ndi kwakukulu kwambiri, ndipo kugwira ntchito m'madzi kapena sing'anga yowononga kumafunika, ndipo mayendedwe otsetsereka amathanso kusankhidwa moyenerera.

Kwa mtundu wa makina ndi zida, kugwiritsa ntchito ma bere ogudubuza ndi mayendedwe otsetsereka kuli ndi zabwino ndi zoyipa, ndipo kuyenera kusankhidwa molingana ndi uinjiniya weniweni.M'mbuyomu, ma crushers akulu ndi apakatikati nthawi zambiri ankagwiritsa ntchito mayendedwe otsetsereka opangidwa ndi aloyi a babbitt, chifukwa amatha kupirira katundu wambiri, ndipo samamva kuvala komanso okhazikika.Zophwanyira nsagwada zazing'ono zimagwiritsa ntchito ma bearings ogudubuza, omwe ali ndi mphamvu zotumizira kwambiri, zimakhala zomveka, komanso zosavuta kuzisamalira.Ndi kusintha kwaukadaulo wopanga ma rolling bearings, ma crushers ambiri akuluakulu a nsagwada amagwiritsanso ntchito ma bearings.

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Nthawi yotumiza: Jul-08-2022