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Kodi Chovala Chotentha Kwambiri ndi Chiyani?

Bearing yotsika kutentha sikutanthauza bearing yomwe imagwira ntchito mokhazikika m'malo otentha kwambiri (mosiyana ndimabearing otentha kwambiri), koma chogwirira chopangidwa ndi zipangizo zapadera komanso mapangidwe omangira kuti achepetse kuchuluka kwa kugwedezeka, potero kuchepetsa kutentha kwa kugwedezeka. Izi zimathandiza kuti chogwirira chikhalebe ndi kutentha kochepa ngakhale chikagwira ntchito kwa nthawi yayitali.

 

MaberamuMa bearing amadzimadzi okhala ndi kutentha kochepera -60℃ amaonedwa kuti ndi otsika kutentha. Amagwiritsidwa ntchito makamaka m'mapampu osiyanasiyana amadzimadzi, monga mapampu a gasi wachilengedwe wosungunuka, mapampu a nayitrogeni wamadzimadzi (hydrogen, oxygen), mapampu a butane, mapampu amadzimadzi a maroketi ndi ma missile, zombo zamlengalenga, ndi zina zotero.

 

Kutentha kwa Mabearings Otentha Kwambiri

Kutentha kwa ntchito ya bearing yotsika kutentha kumasonyeza ukadaulo wa zinthu ndi kuchuluka kwa bearing. Kumayesedwa makamaka ndi kusiyana kwa kutentha pakati pa mphete yakunja ya bearing ndi mafuta ozizira omwe amalowetsedwa panthawi yogwira ntchito. Kutentha kotsika kwa ntchito kumatanthauza moyo wautali wa bearing komanso magwiridwe antchito apamwamba.

 

Magulu a Mabearings Otentha Kwambiri

Ma bearing otsika kutentha nthawi zambiri amakhala ma bearing a mpira wa mzere umodzi ndi ma bearing a cylindrical roller.

 

KwamaberiyaNgati munthu agwidwa ndi khunyu kutentha kochepa, chinthu chakunja ndi kusintha kwa kutentha, pomwe chinthu chamkati ndi ma coefficients osiyanasiyana a kutentha kwa shaft, chimango, ndi zinthu. Pamene kutentha kuli kwakukulu, zinthu zosiyanasiyana zimachepa pamlingo wosiyana, zomwe zimachepetsa kutseguka ndikupangitsa kuti pakhale kugwedezeka. Chifukwa chake, pazida zomwe zimagwira ntchito mosiyanasiyana, kuphatikiza zida zomwe zimagwiritsidwa ntchito kutentha kochepa, ndikofunikira kuwerengera ma coefficients okulitsa zinthuzo, ndipo ngati n'kotheka, gwiritsani ntchito zinthu zomwe zili ndi ma coefficients ofanana kuti mupeze zotsatira zabwino.

 

Kuphatikiza apo, popanga kapangidwe kake, ndibwino kupewa kugwiritsa ntchito chozungulira chozungulira kumapeto kwa shaft. Mu kapangidwe kotere, mtunda wautali pakati pa ma bearing awiriwo ukakhala wautali, mwayi woti zitseke umakwera. Ngati ma bearing awiri opindika ayikidwa kumapeto kwa shaft, amatha kukhala ngati malo oimika shaft, ndikuletsa kuyenda kwa axial. Malekezero ena a shaft, omwe amagwiritsidwa ntchito ndi chozungulira, amangoletsa mphamvu za radial, zomwe zimapangitsa kuti axial isamayende bwino limodzi ndi kusintha kwa kutentha kwa axial.

 

Kusankha Zinthu Zopangira Ma Bearings Otentha Kwambiri

Kusankha Chitsulo Chonyamula Ma Bearing Otentha Kwambiri

Ma bearing otsika kutentha nthawi zambiri amapangidwa ndi zitsulo zosapanga dzimbiri 9Cr18 kapena 9Cr18Mo, ndipo amathanso kupangidwa ndi beryllium bronze, ceramics, ndi zipangizo zina. Pa kutentha kotsika kwambiri kogwira ntchito (kutentha kwambiri -253℃), ngati malire ogwirira ntchito akufunika -253℃, zinthu za 6Cr14Mo zitha kusankhidwa koma ziyenera kugwiritsidwa ntchito pamalo opanda vacuum.

 

Mukamagwiritsa ntchito ma bearing otsika kutentha, muyenera kuganizira kwambiri mavuto monga kutentha kwambiri komwe kumachitika chifukwa cha mafuta osakwanira, choncho ndikofunikira kusankha mafuta oyenera.