N’chifukwa chiyani mabearing a mafakitale amalephera msanga chifukwa cha kusakhazikika bwino?

• Kusakhazikika bwino kumapangitsa kuti kukhudzana kwabwinobwino kwa m'mphepete kukhale kunyamula katundu, zomwe zimawonjezera kupsinjika ndi kutentha.
• Mapangidwe odzipangira okha amatha kupirira zolakwika zochepa za angular kuposa mitundu yolimba ya ma bearing.
• Kugwirizanitsa, mafuta, kuletsa kuipitsidwa, ndi kuuma kwa nyumba ziyenera kuyendetsedwa pamodzi.
• Malangizo a ISO ndi makampani akugogomezera kulondola kwa kukhazikitsa, osati kungowerengera kuchuluka kwa katundu m'kabukhu kokha.
• Kulephera kugwira ntchito mwachangu nthawi zambiri kumakhala vuto la makina, osati vuto la chinthu chokha.

Maberiya a mafakitale apangidwa kuti azinyamula katundu ndi kukhudzana koyendetsedwa bwino, koma kusalinganika bwino kumasokoneza mawonekedwe ake ndikufulumizitsakulephera kwa bereMu kuyesa mabearing ndi machitidwe olinganiza makina, ngakhale cholakwika chaching'ono cha angular chingapangitse kuti katundu azitha kuchepetsedwa, makamaka m'ma motors amagetsi othamanga kwambiri, mapampu, ma gearbox, ndi ma conveyor drive. ISO 286-1 imatanthauzira kulekerera kwa magawo a shaft ndi mabowo, pomwe kulinganiza ndi kutsimikizira kuthamanga kwa magetsi nthawi zambiri kumayendetsedwa kudzera mu njira zabwino zopangira makina ndi kusonkhanitsa mongaISO 20816-1kuti ayese kugwedezeka ndiMalangizo a NIST SIkuti muyeze bwino. Ngati mzere wanu ukutaya ma bearing msanga, chifukwa chake nthawi zambiri si gulu la ma bearing lokha, koma kuyanjana pakati pa kuyenerera, kulinganiza, katundu, ndi mafuta.

Chifukwa chiyani kusakhazikika bwino kwa mabeya a mafakitale kumalephera mwachangu

Kusakhazikika bwino kumapangitsa kuti ma bearing a mafakitale alephere msanga chifukwa njira yolemerera imachoka pakati pa bearing ndipo imayika mphamvu m'mphepete mwa kukhudzana kozungulira. Kulemera kwa m'mphepeteko kumawonjezera kupsinjika kwa Hertzian, kumawonjezera kutentha kwa ntchito, ndikusokoneza filimu yamafuta yomwe nthawi zambiri imalekanitsa malo achitsulo. Filimu yamafuta kapena mafuta ikachepa, kutsika pang'ono ndi kusokonekera kwa pamwamba kumayamba, komwe kumatha kufalikira mpaka kutayikira, kusweka kwa zinyalala, kuwonongeka kwa khola, komanso kugwidwa.

Mwachidule, bearing sikuyenera "kusweka" kuti kulephera kuyamba. Bearing ikhoza kuzunguliridwabe pamene mawonekedwe ake amkati akuchulukitsidwa kale. Ichi ndichifukwa chake kulephera kulinganiza bwino nthawi zambiri kumawoneka ngati phokoso, kugwedezeka, ndi kutentha kukwera bearing isanatseke. Pakukonza mafakitale, zizindikiro zoyambirira zimenezo ndizofunikira kwambiri kuposa kuwonongeka kooneka chifukwa zimavumbula momwe zimakhudzirana zisanachitike ngozi.

Njira yolephera imakhala yovuta kwambiri pamakina omwe ali ndi mphamvu yosinthasintha kapena ma frequency start-stop cycles. Pakuthamanga, shaft imatha kupindika pang'ono, nyumbayo imatha kusokonekera, ndipo kugawa katundu kumasintha mphindi ndi mphindi. Izi zikutanthauza kuti bearing ikhoza kulumikizidwa bwino ikatsekedwa koma ikalephera kugwira ntchito mwachangu chifukwa cholakwika chenicheni chimawonekera pokhapokha ngati katunduyo wayikidwa.

Kodi maberiyani a mafakitale angapirire kusokonekera kotani?

Kulekerera kusagwirizana kwa mabearing kumadalira mtundu wa bearing, malo olowera mkati, kapangidwe ka khola, ndi katundu wogwirira ntchito. Mitundu yolimba ya bearing imalekerera zolakwika zochepa za angular, pomwe mapangidwe odziyimira pawokha amatha kuyamwa zambiri chifukwa zinthu zozungulira ndi misewu ya raceways zimatha kubwereranso pakati poyerekeza ndi shaft. Ichi ndichifukwa chake kusankha banja loyenera la bearing ndi gawo lalikulu la kuwongolera kusagwirizana.

Mwachitsanzo, ma bearing a mpira odziyimira okha nthawi zambiri amagwiritsidwa ntchito pomwe kupotoka kwa shaft kapena kusalondola kwa mounting sikungapeweke, pomwe ma bearing a cylindrical roller amasankhidwa kuti akhale olimba kwambiri koma nthawi zambiri amafunika kulinganiza bwino. Kusankha kolondola sikungokhala "kolimba" kapena "kokulirapo"; ndi komwe kumagwirizana ndi envelopu yeniyeni ya alignment ya makina.

Mu ntchito yogwiritsa ntchito makina motsatira miyezo, bearing yabwino kwambiri ndi yomwe imasunga kulumikizana kwamkati mkati mwa kapangidwe kake konse. Ichi ndichifukwa chake ma OEM ambiri amafananiza mtundu wa bearing, kulondola kwa nyumba, ndi kuuma kwa shaft pamodzi m'malo moweruza ndi kuchuluka kwa katundu wa katalogi yokha.

Kodi kusakhazikika bwino kumabweretsa chiyani ku mafuta ndi kutentha

Kusakhazikika bwino kumawononga mafuta chifukwa kumafinya makulidwe a filimuyo mosagwirizana ndipo kumakakamiza bearing kuti ilowe m'malo olumikizirana mwachangu. Filimu yathanzi ya elastohydrodynamic imadalira mawonekedwe okhazikika, liwiro, kukhuthala, ndi kugawa katundu. Pamene katunduyo akhazikika m'mphepete, filimuyo imagwa m'deralo ndipo kuyanjana kwa chitsulo ndi chitsulo kumawonjezeka.

Kutentha kumawonjezera vutoli. Kuchuluka kwa mafuta kumawonjezeka ndi kutentha, kukhuthala kwa mafuta kumachepa, ndipo kutuluka kwa mafuta kumatha kusakhazikika. Izi zimapangitsa kuti pakhale njira yolumikizirana: kutentha kwambiri kumachepetsa mphamvu ya mafuta, ndipo mafuta ofooka amalola kutentha kwambiri. Nthawi zambiri, bearing imayikidwa mlandu poyamba, koma ndondomeko yeniyeni ndi cholakwika cha geometry, kenako kulephera kwa mafuta, kenako kuwonongeka kwa pamwamba.

Phunziro lothandiza pokonza zinthu ndi losavuta: ngati bearing ikutentha kwambiri mutamaliza kukonza, musaganize kuti bearing "yasweka." Yang'anani momwe shaft ilili, momwe malo ake alili, phazi lofewa, ndi momwe mafuta amayeretsedwera nthawi yomweyo.

• Yang'anani momwe shaft ndi nyumba zilili kutentha kwa ntchito ngati n'kotheka.
• Tsimikizirani mtundu wa mafuta, kuchuluka kwa mafuta odzaza, ndi nthawi yothira mafuta.
• Yang'anani njira zodetsa monga zisindikizo zakale kapena malo otsetsereka owonongeka.
• Tsimikizani kuti chivundikiro chokwezedwacho sichikulowetsedwa kale chifukwa cha kupotoka.

Momwe mainjiniya amadziwira kulephera kwa ma bearing chifukwa cha kusakhazikika bwino kwa dongosolo

Kulephera kwa mabearing chifukwa cha kusakhazikika bwino kumazindikirika powerenga momwe zinthu zawonongeka, osati pongomaliza pomwe zinthu zawonongeka. Nthawi zambiri, njira yotha ntchito imakuuzani ngati vutoli labwera chifukwa cha kuyika, kupindika kwa shaft, kapena kusokonekera kwa nyumba. Mu kusanthula kwa kulephera, akatswiri amafufuza kupukuta kwa raceway mbali imodzi, zizindikiro zokwawa m'khola, mtundu wosiyana wa kutentha, ndi kuwonongeka kwa mafuta.

Kusanthula kugwedezeka ndi chimodzi mwa zida zothandiza kwambiri. ISO 20816-1 imapereka chitsogozo chowunikira kugwedezeka kwa makina poyesa kugwedezeka kwakukulu pazigawo zosazungulira. Mwachizolowezi, kukwera kwa zigawo zinazake zamafupipafupi, makamaka pamodzi ndi kukwera kwa kutentha ndi phokoso, ndi chizindikiro champhamvu chakuti makina ali ndi vuto lolumikizana m'malo mokhala ndi vuto la katundu wokha.ISO 15243:2017Ndiwofunikanso chifukwa umagawa kuwonongeka kwa mabearing ogubuduzika ndipo umathandiza magulu kufotokoza njira zolephera nthawi zonse.

Ngati kuwonongeka kuli mbali imodzi ya msewu wothamanga, nthawi zambiri kumakhala kusakhazikika bwino. Ngati kuwonongeka kuli kofanana koma koipitsidwa, ndiye kuti kukhazikika bwino kungakhale kwachiwiri. Kuthetsa mavuto bwino kumapewa cholakwika chofala chosintha ma bearings mobwerezabwereza popanda kukonza gwero la makina.

Ndi kapangidwe kanji ka mabearing komwe kali bwino kwambiri pamene kusalinganika bwino sikungapeweke?

Kapangidwe kabwino kwambiri ka ma bearing kuti pakhale kusakhazikika bwino nthawi zambiri ndi komwe kumatha kupirira cholakwika cha angular popanda kugwa kwa mkati kapena kugawa katundu. Mu makina ambiri amafakitale, izi zikutanthauza ma bearing a mpira odziyimira pawokha kapena ma bearing ozungulira. Yankho lolondola limadalira ngati makinawo akufunikira liwiro, kuuma, kukana kugwedezeka, kapena kukhala opapatiza.

Mwachitsanzo, mota yothamanga kwambiri ingapangitse kuti mpira wodziyimira pawokha ukhale wochepa komanso wosavuta, zomwe zimapangitsa kuti mpira wodziyimira pawokha ukhale woyenera kwambiri kuposa kapangidwe ka roller yolemera. Mosiyana ndi zimenezi, makina oyendetsera migodi kapena makina a mapepala angafunike roller bearing yozungulira chifukwa kukana katundu ndi kugwedezeka ndikofunikira kwambiri kuposa kutaya roller. Malo akakhala ochepa, roller bearing ya singano imatha kunyamula katundu wambiri, koma siimatha kupirira ngati nyumba kapena shaft geometry ndi yoipa.

Kusankha mkati kuyeneranso kuganizira kapangidwe ka chisindikizo, kuyanjana ndi mafuta, ndi kuyeretsa kutentha. Ngati kugwiritsa ntchito kukuyenda mosalekeza, ngakhale pang'ono chabe kusokoneza kosalekeza kumatha kuchepetsa kwambiri moyo pakatha maola ambiri ogwirira ntchito.

Kwa ogula kuyerekeza zosankha, masamba mongamaberamu a mpira wozama kwambiri, mabearing a mpira odziyimira pawokhandimabearing ozungulira ozungulirandi malo oyambira othandiza chifukwa akuyimira milingo yosiyanasiyana yololera kulinganiza ndi mphamvu yonyamula katundu. Ngati makina ali ndi zofunikira zogwirira ntchito limodzi komanso malo ogwirira ntchito molimbika,mabearing a mpira wolumikizana ndi angularkungakhale koyenera bwino, koma pokhapokha ngati kulinganiza bwino kungalamuliridwe bwino.

Zolakwika zodziwika bwino zomwe zimapangitsa kuti pakhale kusakhazikika bwino

Zolakwika zomwe zimafala kwambiri pakuyika nthawi zambiri zimakhala zosavuta, koma zotsatira zake zimakhala zodula. Mapazi ofewa, mphamvu yosafanana ya bolt, malo oikirapo odetsedwa, malo osayenera a shaft, ndi ma housings opindika zonse zimapangitsa kuti makinawo asayende bwino makina asanayambe. Bearing ikangokanikizidwa mkati mwake, malo ake amkati ndi ngodya yolumikizirana nayo zitha kukhala zitasokonekera kale.

1. Musaganize kuti nyumbayo ndi yathyathyathya chifukwa choti ndi yatsopano.
2. Musakakamize chogwirira pa shaft pogwiritsa ntchito njira zogunda zomwe zingawononge misewu yothamangiramo.
3. Musanyalanyaze kukula kwa kutentha m'ma shaft aatali kapena zida zotenthetsera.
4. Musasakanize chilolezo chamkati cha bere ndi zisankho zoyikamo katundu musanayang'ane kutentha kwa ntchito.
5. Musasinthe bere popanda kuyang'ana mawonekedwe a makina ozungulira.

Kuwongolera kuyika ndikofunikira chifukwa bearing imatha kugwira ntchito mkati mwa geometry yomwe yaperekedwa. Izi ndizofunikira kwambiri kwa makasitomala a OEM, pomwe kusinthasintha kwa batch ndi kubwerezabwereza kwa makonzedwe sikukhudza moyo wokha, komanso phokoso, kugwedezeka, ndi mtengo wa chitsimikizo.

Momwe mungapewere kulephera kwa mabenchi a mafakitale kuti asagwirizane bwino

Kupewa kulephera kulinganiza bwino kumafuna kupanga ndi kukonza bwino. Njira yabwino kwambiri ndiyo kuchepetsa mwayi woti bearing ione kuchuluka kwa katundu wosayembekezereka panthawi yonse ya ntchito yake. Izi zikutanthauza kusankha banja loyenera la bearing, kupanga nyumba yolimba mokwanira, ndikutsimikizira kulumikizana kwenikweni kwa ntchito m'malo mongodalira zojambula zokha.

Pulogalamu yothandiza yopewera iyenera kuyamba ndi kuyeza. Gwiritsani ntchito kuyeza kolondola kwa laser kapena kuyeza kolondola kwa dial panthawi yoyika, kenako onaninso mukatha kutenthetsa makinawo ngati akutentha. Onjezani kugwedezeka kwa makina, kuyang'ana kutentha, ndi kuwunika momwe mafuta alili kuti agwire ntchito msanga. Pazinthu zofunika kwambiri, sungani zolemba za kuchuluka kwa ma angle, mtundu wa bearing, kalasi yoyenera, ndi kutentha komwe kumagwiritsidwa ntchito kuti muyerekezere zolephera ndi mawonekedwe m'malo mongoganizira.

Pa makina odzaza kwambiri, kusankha zinthu n'kofunikanso. Zitsulo zina zonyamula katundu zimapangidwa kuti zikhale zoyera kwambiri komanso zolimba chifukwa zinthu zomwe sizili zitsulo zimatha kuchepetsa nthawi yotopa. Mwachitsanzo, chitsulo chodziwika bwino monga AISI 52100 chimagwiritsidwa ntchito kwambiri chifukwa chimatha kutenthedwa mpaka pafupifupi 60-66 HRC, zomwe zimathandiza kuti chisathe kutopa kwambiri chikaphatikizidwa ndi geometry yoyenera komanso mafuta. Komabe, ngakhale zinthu zabwino kwambiri sizingathetse vuto la kusakhazikika kwa nthawi yayitali.

Pamene kusalinganika bwino kwenikweni ndi vuto la kapangidwe ka dongosolo

Kusakhazikika bwino nthawi zina kumakhala vuto la kapangidwe osati kusonkhana. Ma shaft ataliatali opachikidwa, mafelemu osinthasintha, maziko ofooka, ndi kukula kwa kutentha kungayambitse kusakhazikika bwino kwa ntchito komwe palibe wokhazikitsa angachotse kwathunthu. Pazochitika izi, makinawo amafunikira kukonzedwanso, osati kusinthana ndi ma bearing.

Izi zimachitika kawirikawiri m'mapampu, zochepetsera magiya, ndi ma conveyor drive omwe amakumana ndi kayendedwe ka maziko kapena kusinthasintha kwa chimango. Bearing ingasankhidwe kuti igwirizane ndi kuchuluka kwa katundu wake, koma ngati shaft itembenuka pansi pa mphamvu yogwirira ntchito, bearing imakumanabe ndi kusagwirizana kosakhazikika. Pankhaniyi, yankho lolondola lingakhale kuwonjezera kuuma kwa shaft, kukonza malo othandizira, kapena kusintha mtundu wa bearing womwe ungagwirizane bwino ndi kusokonekera kwa angular.

Magulu a OEM nthawi zambiri amazindikira kuti njira yolimba kwambiri yothetsera vutoli ndi njira yothetsera mavuto: kuwunikanso momwe zinthu zilili, kusankha mabearing, njira yothira mafuta, ndi kuwongolera kusonkhana. Njira imeneyi nthawi zambiri imabweretsa zotsatira zabwino kuposa kufunafuna kuchuluka kwa katundu kokha.

Buku lotsogolera zisankho kwa ogula ndi magulu okonza

Njira yachangu kwambiri yochepetsera kulephera kwa ma bearing koyambirira ndikufananiza ma bearing ndi machitidwe enieni a makinawo. Ngati pulogalamu yanu ili ndi mawonekedwe okhazikika komanso kulondola kwambiri, mitundu yolimba ya ma bearing ingapereke moyo wabwino kwambiri. Ngati makinawo ali ndi kupotoka, kukula kwa kutentha, kapena kupotoka kwa chimango, kudzilungamitsa kapena mapangidwe ozungulira angalepheretse kulephera mobwerezabwereza.

• Sankhani ma bearing a mpira ocheperako kuti agwiritsidwe ntchito pa liwiro lapamwamba, katundu wochepa, komanso njira zosasinthasintha bwino.
• Sankhani ma roller bearing kuti mugwiritse ntchito katundu wolemera, koma tsimikizirani kuti nyumba ndi shaft ndi zolondola.
• Sankhani mapangidwe odzigwirizanitsa okha pamene makina sangatsimikizire kuti ali okhazikika bwino.
• Konzani bwino njira zowongolera kuipitsidwa ngati zinthu zolephera kugwira ntchito zikuphatikizapo kuwonongeka kwa mafuta kapena kusintha mtundu wa mafuta.
• Konzani kuuma ndi kukonza njira yolemetsa ngati kulephera kubwerezabwereza mutasintha.

Ngati mukufuna thandizo la OEM kapena pulogalamu yokonza mafakitale, ndikofunikira kuwunikanso kukula kwa malonda a wogulitsa, kuwongolera khalidwe, ndi malangizo ogwiritsira ntchito limodzi.ma bereji ozungulirandimaberani apaderandizofunikira pamene zigawo wamba sizingathe kuthetsa vuto la geometry kapena katundu.

Mafunso Ofunsidwa Kawirikawiri Okhudza Mabeya Amakampani, Kusakhazikika Bwino, ndi Kulephera kwa Mabeya

N’chifukwa chiyani mabearing amalephera msanga mutatha kuyika?

Maberiya amalephera msanga pambuyo poyika pamene zolakwika pakuyika zimapangitsa kuti pakhale kusakhazikika bwino, kuyika zinthu pasadakhale, kuipitsidwa, kapena mafuta osakwanira kuyambira pachiyambi. Beriya ikhoza kuwoneka bwino pa benchi, koma mawonekedwe a makina amasintha momwe imagwirira ntchito.

Kodi kusokonekera pang'ono kungawonongedi maberiyani a mafakitale?

Inde. Ngakhale zolakwika zazing'ono za angular kapena offset zingapangitse kuti pakhale kukweza kwa m'mphepete, kutentha kwambiri, komanso kupsinjika kosagwirizana. Kuwonongekaku kumawonjezeka mwachangu mumakina othamanga kwambiri kapena odzaza kwambiri.

Ndi mtundu uti wa bere lomwe limagwira bwino ntchito yolakwika?

Ma bearing a mpira odzilungamitsa okha ndi ma bearing ozungulira ozungulira nthawi zambiri amakhala chisankho chabwino kwambiri pamene kusalinganika bwino sikungatheke. Njira yabwino imadalira liwiro, katundu, ndi kulimba.

Ndingadziwe bwanji ngati kusagwirizana bwino kwa zinthu kukuyambitsa kulephera?

Yang'anani ngati msewu wa mpikisano wa mbali imodzi wawonongeka, kutentha kwa mtundu, kugwedezeka kwawonjezeka, komanso kulephera mobwerezabwereza pamalo omwewo. Kugwedezeka kwa zinthu zomwe zikuchitika komanso kuwonongeka kwa magalimoto m'gululi.ISO 15243:2017thandizani kutsimikizira chomwe chimayambitsa vutoli.

Kodi mafuta odzola amathetsa kusakhazikika bwino?

Ayi. Kupaka mafuta bwino kungachedwetse kuwonongeka, koma sikuchotsa njira yolemetsa yosagwirizana yomwe imachitika chifukwa cha kusakhazikika bwino. Vuto la geometry liyenera kukonzedwabe.

Kodi ma roller bearing nthawi zonse amakhala abwino kuposa ma ball bearing chifukwa cha kusakhazikika bwino?

Ayi. Ma roller bearing nthawi zambiri amakhala ndi katundu wolemera, koma ambiri salekerera zolakwika zolinganiza bwino kuposa ma ball bearing omwe amadziyang'anira okha. Kulemera kwa katundu ndi kulekerera molakwika si chinthu chimodzi.

Kodi ndiyenera kuyang'ana chiyani poyamba ngati ma bearing akulephera msanga?

Yang'anani momwe shaft ilili, momwe nyumbayo ilili, phazi lofewa, momwe mafuta alili, kuipitsidwa, ndi kutentha kwa ntchito. Kusintha bearing popanda kuyang'ana zinthu zimenezo nthawi zambiri kumabwerezanso kulephera komweko.