Kodi Mabuleki Amapangidwa Kuti?
Ngati munayamba mwadzifunsapo kumene ananyema zimbale amapangidwira, nkhaniyi ingakuthandizeni kumvetsa mbali yofunikayi yamagalimoto.Ma disks a Brake amapangidwa ndi zinthu zosiyanasiyana.Zina mwazinthuzi ndi chitsulo, ceramic composite, carbon fiber, ndi iron iron.Phunzirani zambiri za chilichonse mwa zidazi kuti mumvetsetse momwe zimapangidwira.Izi zidzakupangitsani kukhala okonzeka kupanga chisankho chodziwitsa za chinthu chomwe muyenera kugula.Komanso, tifotokoza kusiyana kwa zidazi ndi momwe zimagwirira ntchito.
Chitsulo
Ngati mukufuna chitsulo brake chimbale, mwafika pamalo oyenera.Sikuti zimbale izi ntchito mwangwiro, iwonso kwambiri angakwanitse.Ma disks achitsulo amapangidwa pogwiritsa ntchito chitsulo chosapanga dzimbiri, chomwe chimalimbana ndi hydrochloric acid.Opanga apano adagwiritsa ntchito chitsulo ichi kupanga ma brake disc okhala ndi mulingo wapamwamba kwambiri wa kulimba komanso kukana abrasion.Ma alloys omwe amagwiritsidwa ntchito muzitsulo za brake discs amachokera ku carbon, chromium, ndi silicon, zomwe zimapangitsa kuti zikhale zolimba kwambiri.
Kuphatikiza kwa ma alloys awiriwa kumakhala ndi zotsatirapo zazikulu pakugwira ntchito kwa ma brake disc.A357/SiC AMMC pamwamba wosanjikiza maximize elongation, pamene mikangano chipwirikiti processing amayenga intermetallic particles kuchepetsa ang'onoang'ono.Nkhaniyi ili ndi mphamvu zolimba kwambiri, zomwe zimapereka kuuma kofunikira ndi thupi la brake disc.Komabe, mosiyana ndi zitsulo, ma hybrid composite discs amakhala ndi kukana kwabwinoko.Ndizoyenerana bwino ndi ntchito zomwe zimafunikira kukana kuvala kwambiri.
Ma brake discs achitsulo nawonso amalimbana ndi dzimbiri kuposa ma brake pads.Komanso, iwo ndi otsika mtengo kuposa njira zina.Mutha kusunga ndalama zambiri pogula ma brake discs atsopano.Ma disks achitsulo amatha kukhala nthawi yayitali ndi zoyala zoyenera.Njirayi idzaonetsetsa kuti kukwera bwino pa brake ndikuletsa kuwonongeka kwamtundu uliwonse.Koma, sizili popanda zovuta zake.Mwachitsanzo, ngati muli ndi chimbale chokhala ndi cementite inclusions, sikungatheke kuyikonzanso.
Zomwe zimagwiritsidwa ntchito muzitsulo zazitsulo ziyeneranso kupangidwa kuchokera ku ceramics zomwe zimatha kukana kuwonongeka kwa kutentha.Komanso, ceramic particles ayenera kukhala abwino matenthedwe conductors.Kuchuluka kwa kutentha kwa kutentha kumatsimikizira kutentha kwa ntchito ya kukhudzana kwa disc.Mukagula latsopano zitsulo ananyema chimbale, mukhoza kupeza chitsimikizo kwa izo ngati mukufuna m'malo.Pali zifukwa zambiri chifukwa zitsulo ananyema zimbale kungakhale kusankha bwino.
Ceramic kompositi
Tsogolo la ma disc a ceramic brake ndi lowala.Ma disc awa amatha kupititsa patsogolo chuma chamafuta pomwe nthawi yomweyo amachepetsa kuyimitsa mtunda.Kuti mupange mabuleki awa, pamafunika pulogalamu yayikulu yoyeserera panjira ndi mayendedwe.Panthawiyi, kutentha kwamoto komwe kumayikidwa pa disk brake kumayesedwa ndi njira zakuthupi ndi zamankhwala.Zotsatira zakugwiritsa ntchito kutentha kwakukulu zimatha kusinthidwa kapena kusasinthika kutengera mtundu wa brake pad ndi momwe amagwirira ntchito.
Choyipa kwa ma CMC ndikuti ndi okwera mtengo.Komabe, ngakhale kuti amachita bwino kwambiri, sagwiritsidwa ntchito kawirikawiri m'magalimoto akuluakulu.Ngakhale zopangira zomwe zimagwiritsidwa ntchito sizokwera mtengo, ndalama zake zikadali zokwera, ndipo ma CMCs akayamba kutchuka, mitengo iyenera kutsika.Izi ndichifukwa choti ma CMC amatulutsa kutentha pang'ono, ndipo kukulitsa kwamafuta a ma brake discs kumatha kufooketsa zinthuzo.Kusweka kumatha kuchitikanso pamtunda, zomwe zimapangitsa kuti brake disc isakhale yogwira ntchito.
Komabe, ma disc a carbon-ceramic brake ndi okwera mtengo kwambiri.Kupanga ma disc awa kumatha kutenga masiku 20.Izi ananyema zimbale ndi opepuka kwambiri, amene ndi kuphatikiza kwa magalimoto opepuka.Ngakhale ma disks a carbon-ceramic brake sangakhale njira yabwino yamagalimoto onse, mawonekedwe opepuka komanso okhazikika azinthuzo amawapangitsa kukhala njira yabwino yamagalimoto othamanga kwambiri.Kawirikawiri, mtengo wa ceramic composite discs ndi pafupifupi theka la mtengo wazitsulo zachitsulo.
Ma disks a carbon-carbon brake ndi okwera mtengo, ndipo kuwonongeka ndikodetsa nkhawa ndi ma brake discs awa.Ma disc a carbon ceramic ndi osavuta kukanika, ndipo opanga amalangiza kuti muzipaka ma disc awa ndi zinthu zoteteza.Magalimoto ena atsatanetsatane amankhwala ndi zotsukira magudumu amatha kuwononga ma disc a carbon ceramic.Ma discs a carbon ceramic amathanso kukanda ndikupangitsa kuti ma carbon splinters apangidwe pakhungu lanu.Ndipo ngati simusamala, chimbale cha carbon-ceramic chikhoza kuthera m'chiuno mwanu.
Kuponya chitsulo
Njira yopangira zinc ❖ kuyanika ma discs achitsulo si yachilendo.Panthawi yopangira, chimbalecho chimatsukidwa ndi chitsulo chosungunuka chachitsulo ndipo chimagwiritsidwa ntchito ndi zinki.Njira imeneyi imatchedwa sherardizing.Pochita izi, arc yamagetsi imasungunula ufa wa zinc kapena waya mu ng'oma ndikuyiyika pa disc.Zimatenga pafupifupi maola a 2 kuti sherrdize brake disc.Miyeso yake ndi mainchesi 10.6 m'mimba mwake ndi 1/2 inchi wandiweyani.Ma brake pads azichita kunja kwa 2.65 inchi ya disc.
Ngakhale ma diski opangidwa ndi chitsulo chachitsulo amagwiritsidwabe ntchito popanga magalimoto ena, opanga akufunafuna njira zina zopangira zinthuzi.Mwachitsanzo, mabuleki opepuka amatha kupangitsa kuti mabuleki azigwira bwino ntchito komanso kuchepetsa kulemera kwagalimoto.Komabe, mtengo wawo ungafanane ndi mabuleki achitsulo.Kuphatikizika kwa zida zatsopano ndi njira yabwino kwambiri yowonjezerera mafuta agalimoto ndikuwongolera magwiridwe antchito.Pansipa pali maubwino ena a aluminiyamu-based brake discs.
Kutengera dera, msika wapadziko lonse lapansi wama diski achitsulo wagawika m'magawo atatu: North America, Europe, ndi Asia Pacific.Ku Europe, msika wagawikanso ndi France, Germany, Italy, Spain, and rest of Europe.Ku Asia-Pacific, msika wama brake discs ukuyembekezeka kukula pa CAGR yopitilira 20% pofika 2023. Middle East ndi Africa ikuyembekezeka kukula mwachangu kwambiri m'zaka zikubwerazi, ndi CAGR pafupifupi 30% .Ndi kukula kwamakampani opanga magalimoto, mayiko omwe akutukuka kumene akugula mawilo awiri.
Ngakhale ubwino wa aluminiyamu brake zimbale, cast iron brake zimbale zili ndi kuipa pang'ono.Aluminiyamu yoyera ndi yolimba kwambiri ndipo imakhala yotsika kwambiri, koma ma alloys amatha kusintha magwiridwe ake.Aluminiyamu brake discs amatha kwa zaka zambiri, kuchepetsa unsprung mass ndi 30% mpaka makumi asanu ndi awiri peresenti.Ndipo ndi zopepuka, zotsika mtengo, komanso zotha kugwiritsidwanso ntchito.Iwo ndi njira yabwino kuposa kuponyedwa chitsulo brake zimbale.
Mpweya wa carbon
Mosiyana ndi ma brake discs azikhalidwe, ma carbon-carbon amatha kupirira kutentha kwambiri.Zida zolukidwa ndi ulusi wopangidwa ndi ulusi zimalola kuti zisamawonjezeke ndi kutentha pomwe zimakhala zopepuka.Izi zimapangitsa kuti zikhale zabwino kwa ma brake discs, omwe nthawi zambiri amagwiritsidwa ntchito pamasewera othamanga komanso ndege.Koma pali downsides komanso.Ngati mukufuna kusangalala ndi ubwino wa carbon-fiber brake discs, muyenera kudziwa pang'ono za kupanga kwawo.
Ngakhale ma disc a carbon brake ali ndi maubwino ambiri panjira yothamanga, si oyenera kuyendetsa tsiku ndi tsiku.Iwo sagonjetsedwa ndi kutentha kwa msewu ndipo prototype carbon disc imataya mamilimita atatu kapena anayi a makulidwe mu maola 24 ogwiritsidwa ntchito mosalekeza.Ma discs a kaboni amafunikiranso zokutira zapadera kuti apewe okosijeni wamafuta, zomwe zingayambitse dzimbiri.Ndipo, ma disc a kaboni alinso ndi mtengo wapamwamba.Ngati mukuyang'ana chimbale cholimba, chapamwamba cha carbon brake, lingalirani chimodzi mwa zabwino kwambiri padziko lapansi.
Kuphatikiza pa zabwino zopulumutsa zolemera, ma disc a carbon-ceramic brake amakhalanso nthawi yayitali.Amakhala nthawi yayitali kuposa ma brake discs wamba ndipo amatha kukhala ndi moyo wagalimoto.Ngati simuyendetsa tsiku ndi tsiku, mudzatha kugwiritsa ntchito chimbale chimodzi cha carbon-ceramic brake kwa zaka zambiri.Ndipotu, carbon ceramic zimbale amaonedwa cholimba kuposa miyambo ananyema zimbale, ngakhale mtengo wake wapamwamba.
Kuthamanga kwa ma discs a carbon-ceramic brake discs ndikwambiri kuposa ma disc-iron discs, kumachepetsa nthawi yotsegulira ma braking ndi khumi peresenti.Kusiyana kwa mapazi khumi kungapulumutse miyoyo ya anthu, komanso kuteteza kuwonongeka kwa thupi la galimoto.Ndi braking yapadera, chimbale cha carbon-ceramic ndichofunika kuti galimoto iziyenda bwino.Sizidzangothandiza dalaivala, komanso zidzasintha chitetezo cha galimotoyo.
phenolic utomoni
Phosphoric resin ndi mtundu wazinthu zomwe zimagwiritsidwa ntchito mu ma brake discs.Ubwino wake wolumikizana ndi fiber umapangitsa kukhala cholowa m'malo mwa asibesitosi.Kutengera kuchuluka kwa phenolic resin, ma brake discs amatha kukhala ovuta komanso ophatikizika.Makhalidwewa atha kugwiritsidwa ntchito m'malo mwa asibesitosi mu ma brake disc.Chida chapamwamba kwambiri cha phenolic resin brake disc chikhoza kukhala moyo wonse, zomwe zikutanthauza kuti mtengo wotsika m'malo mwake.
Pali mitundu iwiri ya phenolic resin mu ma brake discs.Imodzi ndi thermosetting resin ndipo ina ndi yopanda polar, yopanda mphamvu.Mitundu yonse iwiri ya utomoni imagwiritsidwa ntchito popanga ma brake discs ndi pads.Utomoni wa phenolic umagwiritsidwa ntchito popanga ma brake pads chifukwa umawola pafupifupi 450 ° C, pomwe utomoni wa polyester umawola pa 250-300 ° C.
Kuchuluka ndi mtundu wa binder zimagwira ntchito yofunikira pakukangana kwa phenolic resin brake disc.Utomoni wa phenolic nthawi zambiri sugonjetsedwa ndi kusintha kwa kutentha kusiyana ndi zipangizo zina, koma ukhoza kukhala wokhazikika ndi zowonjezera zina.Mwachitsanzo, utomoni wa phenolic ukhoza kusinthidwa ndi madzi a chipolopolo cha cashew nut kuti ukhale wolimba komanso wolimbana ndi 100 °.Kukwera kuchuluka kwa CNSL, kumachepetsa kugundana kwapakati.Komabe, kukhazikika kwa kutentha kwa utomoni kunawonjezeka, ndipo kufota ndi kuchira kunachepetsedwa.
Kuvala koyambirira kumapangitsa kuti tinthu tating'onoting'ono tituluke mu utomoni ndikupanga phiri loyamba.Chigwa choyambirira ichi ndi mtundu wofala kwambiri wa zinthu zosemphana.Iyi ndi njira yosunthika, momwe ulusi wachitsulo ndi tinthu tating'ono ta mkuwa kapena zamkuwa zimalumikizana ndi disc.Tinthu tating'onoting'ono tomwe timakhala ndi mtengo wouma womwe umaposa kuuma kwa disc.Derali limakondanso kusonkhanitsa tinthu tating'onoting'ono ta micrometric ndi submicrometric.
Nthawi yotumiza: Jul-09-2022