A cylindrical wodzigudubuza wonyamula ndi mtundu wa chogwirira chozungulira chomwe chingathe kunyamula katundu wolemera mbali imodzi ndi mbali imodzi. Chili ndi ma roller ozungulira omwe amaikidwa pakati pa mphete yamkati ndi yakunja, ndipo khola limasunga ma roller patali yoyenera. Ma bearing awa amagwira ntchito bwino kwambiri pamene amafunika kunyamula katundu wambiri, kukhala olondola, komanso okhalitsa nthawi yayitali. Izi zimawapangitsa kukhala ofunika kwambiri pamitundu yambiri ya zida zamafakitale ndi zida. Amadziwika kuti Ma cylindrical roller bearings amatha kuthana ndi kusalinganika komanso kutentha kwambiri. Izi zimawapangitsa kukhala abwino kwambiri pamavuto m'mafakitale, magalimoto, ndi makina olemera.
Mphete zamkati ndi zakunja za ma cylindrical roller bearings ndizomwe zimapangidwa ndendende zomwe zimapanga thupi la chonyamula. Pofuna kuwonetsetsa kuti zimatenga nthawi yayitali komanso kuti sizikutha mosavuta, mphetezi nthawi zambiri zimapangidwa kuchokera kuzitsulo zokhala ndi zinthu zapamwamba kwambiri monga GCr15 kapena GCR15SiMn. Mphete yamkati imamangiriridwa ku shaft, ndipo mphete yakunja imalowa m'nyumba.
Mphete zonse ziwiri zimakhala ndi maulendo othamanga, omwe amapangidwa mosamala malo omwe mawilo amakhudza. Kuti apeze kuuma koyenera ndi kutha kwa pamwamba, mipikisano iyi imadulidwa mosamala ndikutenthedwa. Kulondola kwa maderawa ndikofunikira kwambiri kuti kubereka kugwire bwino ntchito chifukwa kumakhudza mwachindunji momwe katunduyo amagawira komanso kukana kugubuduza.
Mawilo ndi omwe amapanga a cylindrical wodzigudubuza wonyamula ntchito. Ma cylinders amapangidwa kuchokera ku chitsulo chapamwamba chofanana ndi mphete ndipo ndi yolondola-pansi. Mapangidwe a odzigudubuza ndi ofunika kwambiri; ayenera kukhala mu mawonekedwe ozungulira bwino kuti atsimikizire kuti katunduyo akufalikira mofanana ndipo makinawo amayenda bwino.
Kukula kwa roller ndi nambala zimaganiziridwa mosamalitsa potengera zomwe zigwiritsidwe ntchito. Nthawi zambiri, zodzigudubuza zazikulu zimatha kukhala zolemera kwambiri, pomwe zodzigudubuza zing'onozing'ono zimatha kupangitsa makinawo kuti aziyenda bwino komanso molondola. Zitsanzo zina zamakono zimakhala ndi mawonekedwe apadera kapena malaya pamagudumu omwe amawapangitsa kuti azigwira ntchito bwino pazochitika zina, monga pamene kutentha kuli kotentha kapena pamene pali katundu wambiri.
Khola, lomwe limatchedwanso choyimitsa kapena chogawanitsa, ndilofunika kwambiri kuti ma rollers azikhala pamtunda woyenera kuchokera kwa wina ndi mzake. Mbali imeneyi imapangitsa kuti zodzigudubuza zisakhudze, zomwe zingapangitse kuvala kwambiri komanso kupanikizika. Zida zosiyanasiyana zitha kugwiritsidwa ntchito popanga makola, ndipo chilichonse chili ndi zabwino zake:
Maonekedwe a khola amakhudzanso momwe kubereka kumagwirira ntchito. Mapangidwe ena, mwachitsanzo, amalola zodzigudubuza zambiri kuti zigwirizane, zomwe zimawonjezera kuchuluka kwa katundu, pamene zina zimatsindika kwambiri pakuyenda kwa mafuta kapena kuyamwa kwa kutentha.

Pali mitundu iwiri ya ma cylindrical roller bearings: omwe ali ndi mzere umodzi ndi omwe ali ndi mizere iwiri. Mtundu uliwonse ndi wabwino kwa ntchito zosiyanasiyana. Ma fani ambiri amakhala ndi mzere umodzi wokha, ndipo awa ndi abwino kwambiri potengera katundu wozungulira. M'mabizinesi ambiri, ndizosavuta kugwiritsa ntchito ndipo siziwononga ndalama zambiri.
Kumbali ina, mizere iwiri ya cylindrical roller bearings imatha kunyamula katundu wambiri ndipo imakhala yokhazikika. Ma fani awa ndiwothandiza makamaka m'malo omwe mulibe malo ambiri koma zolemetsa zambiri zimafunika kunyamulidwa. Ichi ndi chifukwa china chomwe mizere ya mizere iwiri imagwiritsidwa ntchito nthawi zambiri pamakina olemera ndi ma motors akulu amagetsi: amatha kuthana bwino ndi zovuta zazing'ono.
Kukwanira kwathunthu ma cylindrical roller bearings akhoza kusunga kulemera kochuluka chifukwa alibe khola ndikuyika zodzigudubuza zambiri momwe zingathere pakati pa mphete. Kapangidwe kameneka kamagwira ntchito bwino m'malo omwe katundu wambiri amafunikira kusungidwa pamalo ang'onoang'ono, monga zida zazikulu zamafakitale kapena zida zamigodi.
Ngakhale mapangidwe a khola sangathe kulemera mochuluka, ali ndi zinthu monga kugundana kochepa, kuchita bwino kwambiri, komanso kufalikira kwa mafuta. Nthawi zambiri, zonyamula izi zimagwiritsidwa ntchito m'malo omwe liwiro ndi mphamvu ndizofunikira, monga magiya kapena mawilo a zida zamakina.
Pali mitundu ingapo yamitundu yosiyanasiyana ya ma cylindrical roller bearings omwe angagwiritsidwe ntchito pazolinga zosiyanasiyana.
Chifukwa cha kuchuluka kwa katundu wawo komanso kudalirika, zonyamula ma cylindrical roller zimagwiritsidwa ntchito pamakina osiyanasiyana amakampani. Mu bizinesi yachitsulo, zitsulozi ndizofunikira kwambiri pazitsulo zogubuduza, zomwe zimayenera kuthana ndi kutentha kwakukulu ndi katundu wozungulira. Mikhalidwe yovuta yotereyi ndi yabwino kwa ma cylindrical roller bearings chifukwa amatha kugwira ntchito pa kutentha mpaka 150 ° C.
Ma cylindrical roller bearings amagwiritsidwa ntchito pamakina monga ma crushers, zonyamula katundu, ndi mathirakitala m'mafakitale amigodi ndi zomangamanga. Chifukwa amamangidwa kuti azikhala okhalitsa, amatha kuthana ndi zowopsa komanso zovuta zomwe zimapezeka m'malo awa. Mwachitsanzo, mayendedwe a migodi a cylindrical roller amapangidwa kuti azitha kuwirikiza kawiri kuposa momwe amakhalira nthawi zonse m'malo ovuta.
Pazifukwa zambiri, bizinesi yamagalimoto imakhazikika ma cylindrical roller bearings. Ma bere awa amanyamula ma gear shafts potumiza ndipo amatha kuthana ndi liwiro lalikulu komanso katundu omwe amabwera ndikuyendetsa galimoto. Ndi luso lawo loyendetsa kayendetsedwe ka kayendetsedwe kake, amagwira ntchito bwino makamaka pamene kuwonjezeka kwa kutentha kumakhala kovuta.
Ponena za sitima, ma bearing a cylindrical roller amagwiritsidwa ntchito mu magiya ndi mawilo a injini ndi katundu woyenda. Ma bearing awa ayenera kukhala okhoza kuthana ndi katundu wolemera, mayendedwe, ndi kutalika kwakutali popanda kusweka. Kuti ma bearing akhale otetezeka ku poizoni wakunja womwe umakhudzana ndi magalimoto a sitima, chophimba chapadera Solutions amagwiritsidwa ntchito nthawi zambiri.
Chifukwa amakangana pang'ono ndipo amatha kukhala okhazikika pama RPM okwera, ma cylindrical roller bearings ndiabwino kugwiritsa ntchito kuthamanga kwambiri. Mapiritsi a cylindrical roller precision-grade (P4 kapena P5 grade) muzitsulo zamakina amaonetsetsa kuti shaft ili bwino komanso imazungulira bwino, zomwe ndizofunikira kuti mupeze zotsatira zabwino zodulira.
M'munda wa mphamvu zobiriwira, ma cylindrical roller bearings ndi ofunika kwambiri pamagiya ndi ma shafts akuluakulu, makamaka m'mphero zamphepo. Ma bere awa amayenera kugwira ntchito pafupipafupi ndi katundu ndi liwiro losiyanasiyana, ndipo nthawi zambiri amayenera kuchita izi kumadera akutali kapena kunyanja komwe kuli kovuta kuchita. Kuteteza maberelo kumadera ovuta, monga kupopera mchere m'malo am'nyanja, njira zatsopano zosindikizira zimagwiritsidwa ntchito. Izi zimaphatikizapo zosindikizira za labyrinth kapena zosindikizira za polima zomwe sizimva dzimbiri.
Makina amakono sangagwire ntchito popanda ma cylindrical roller bearings, omwe ali ndi kusakaniza kwapadera kwa kuchuluka kwa katundu wambiri, kulondola, ndi kusinthasintha. Ndiabwino pantchito zambiri zamafakitale chifukwa amatha kunyamula katundu wozungulira komanso kugwirabe ntchito molakwika komanso kuyenda kwa axial. Kuchokera pazovuta za mphero zachitsulo kupita ku zosowa zenizeni za zida zamakina, ma cylindrical roller bearings amasintha nthawi zonse. Kuti akwaniritse zosowa zamakampani, zida zatsopano ndi mapangidwe akuwonjezeredwa. Pamene luso lamakono likupita patsogolo, ma bearings amenewa adzakhala ofunika kwambiri pakupanga makina odalirika, ogwira ntchito, komanso ochita bwino kwambiri m'madera ambiri.
Chinthu chabwino kwambiri pa iwo ndi chakuti amatha kunyamula katundu wochepa wa axial ndi kusalinganika bwino ndipo amatha kunyamula katundu wambiri wozungulira.
Poyerekeza ndi mayendedwe a mpira, ma cylindrical roller bearings amatha kulemera kwambiri ndipo amakhala olimba, omwe amawapangitsa kukhala abwino kwa ntchito zolemetsa.
Inde, ma cylindrical roller bearings omwe apangidwa mosamala amatha kugwira ntchito potentha mpaka 150 ° C. Izi zikutanthauza kuti atha kugwiritsidwa ntchito m'malo ngati mauvuni achitsulo.
Ife a INNO Bearing ndife akatswiri opanga ma cylindrical roller bearings kuti agwiritse ntchito molimba m'mafakitale. Tili ndi zosankha zapadera mpaka Ά5000mm, kutumiza mwachangu, komanso thandizo la akatswiri. Takhala tikuchita bizinesi pafupifupi zaka 30. Malo athu oyezera amakono komanso kuwongolera kokhazikika kumawonetsetsa kuti mabizinesi padziko lonse lapansi akupeza zodalirika, zopangidwa bwino. Titumizireni imelo pa sales@inno-bearing.com kuti mulankhule ndi gulu lathu la akatswiri za zosowa zanu zapadera.
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Zhang, L., ndi al. (2020). "Kutopa Kuneneratu kwa Moyo wa Cylindrical Roller Bearings Pansi Pazosintha Zosiyanasiyana." Valani, 450-451, 203213.
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