Ufa Wobiriwira wa Silicon Carbide Micropowder: Nyenyezi Yokwera ya Ma Abrasives Ogwira Ntchito Mwapamwamba
Lero, tiyeni tipitirize kukambirana za wosewera wina wamphamvu m'banja lankhanza—ufa wobiriwira wa silicon carbide micropowderIfe omwe tili mumakampani timatcha kuti "Hulk," ndipo sitikuganiza kuti dzinalo ndi lonyansa; luso lake likugwirizana ndi mutuwo. Posachedwapa takambirana bwino za alumina yoyera yosakanikirana; ili ngati mmisiri waluso wa khoti, yopanga ntchito yokongola komanso yoyera. Koma "Hulk" ya masiku ano ili ngati mtsogoleri wankhondo wotsogola akulowa munkhondo, wodziwa bwino nkhondo zovuta komanso kuthana ndi mavuto ovuta. Nchifukwa chiyani imatchedwa "nyenyezi yotuluka"? Chifukwa choyamba ndi "kuuma kwake."
Carbide yobiriwira ya silicon ndi yolimba kwambiri pakati pa ma abrasives wamba, yokhala ndi kulimba kwa Mohs kwa 9.5, kocheperako pang'ono kuposa diamondi. Musanyoze kusiyana kwa 0.5 kumeneku.alumina woyera wosakanikirana; pogwira ntchito ndi zinthu zina zolimba kwambiri, zimapangitsa kusiyana kwakukulu. Zipangizo zatsopano zikutuluka nthawi zonse: silicon carbide ceramics, aluminiyamu nitride, galasi la safiro, photovoltaic silicon wafers, simenti carbide—iliyonse yolimba kuposa yomaliza. Kugwiritsa ntchito zinthu wamba zonyamulira kuli ngati kukanda miyala ndi pepala lachitsulo—kovuta komanso kosagwira ntchito.
Koma ndi ufa wobiriwira wa silicon carbide, ndi wabwino kwambiri. M'mbali mwake, zowoneka bwino, zakuthwa zimagwira ntchito ngati zida zazing'ono zodulira diamondi, "kutafuna" bwino zinthu zovutazi. Makamaka mumakampani opanga ma photovoltaic, kudula ma ingot olimba komanso osalimba a monocrystalline ndi polycrystalline silicon, mudzawona kuti amagwiritsidwa ntchito kwambiri pakupanga. Popanda izi, ndalama ndi magwiridwe antchito opanga sizingachepe. Izi ndi zomwe mumatcha "chinthu chimodzi chogonjetsa china."
Kuphatikiza apo, kutentha kwake ndi kwabwino kwambiri.
Chipangizochi chokha ndi chowongolera kutentha chabwino kwambiri. Ichi ndi phindu lalikulu pakupuntha. Tangoganizirani, kupuntha mwachangu kwambiri kumapanga kutentha kwakukulu nthawi yomweyo. Ngati kutentha kumeneku sikungathe kuzimiririka ndikukodwa mkati mwa chopunthira, zimakhala zoopsa: pamwamba pa chopunthiracho pamakhala "kutentha" ndi kusweka; zigawo zachitsulo zimatha kusungunuka, zomwe zimasinthasintha kuuma kwawo; ndipo kukula kwa zigawo zolondola kungakhale kolakwika chifukwa cha kukula kwa kutentha ndi kupindika.
Ufa wobiriwira wa silicon carbide umagwira ntchito ngati "kachitidwe kakang'ono kotenthetsera kutentha," komwe kamachotsa kutentha mwachangu kutali ndi malo opukutira, ndikuchepetsa kutentha kwa malo opukutira. Izi zimachepetsa kuwonongeka kwa ntchito chifukwa cha kutentha kwambiri, ndikuwonetsetsa kuti ntchitoyo ndi yabwino. Ichi ndi chinthu chofunikira kwambiri, makamaka pa zipangizo ndi ziwalo zomwe zimakhudzidwa kwambiri ndi kutentha.
Kuphatikiza apo, "kudzinola" kwake kumapangitsa kuti ntchitoyo ikhale yolimba nthawi zonse.
Zotsukira zabwino sizimapangidwa kamodzi kokha; ziyenera kukhala zokhalitsa.tinthu tating'onoting'ono ta silicon carbide wobiriwiraNdi zolimba komanso zofooka, chifukwa cha mphamvu yopera, tinthu tating'onoting'ono tomwe timaphwanyika timasweka, zomwe zimawonetsa m'mbali zatsopano, zakuthwa kuti zipitirize kugwira ntchito. Khalidweli limatchedwa "kudzinola."
Izi zikufanana ndi kugwiritsa ntchito pensulo yamakina; ikayamba kuoneka yofooka, mumaikanikizanso, ndipo pensulo yatsopano imatuluka kuti ipitirize kujambula. Izi zikutanthauza kuti nthawi yonse yokonza, luso lake lodula limakhalabe latsopano komanso lolimba, popanda kukhala lofooka pakapita nthawi. Kugwira ntchito bwino kwa processing kumakhala kokhazikika, ndipo pamwamba pa workpiece ndi pofanana, kupewa kuti khalidwe likhale labwino poyamba koma liwonongeke pambuyo pake. Izi ndizofunikira kwambiri popanga zinthu zamakono, zazikulu, komanso zodziyimira pawokha.
Ndiloleni ndikuuzeni nkhani yeniyeni.
Chaka chatha, fakitale yomwe imapanga ma nozzle a injini ogwira ntchito bwino inandilankhula. Ma nozzle awo amapangidwa ndi zinthu zapadera zadothi zolimba kwambiri. Kugwiritsa ntchito ma abrasives wamba pokonza zinthu kunali kosagwira ntchito bwino komanso kokwera mtengo, kapena khalidwe la pamwamba pake linali losakwanira, nthawi zambiri linkawonetsa ming'alu yaying'ono. Pambuyo pake, anayesa kugwiritsa ntchito ufa wobiriwira wa silicon carbide popera ndi kupukuta bwino, ndipo zotsatira zake zinali nthawi yomweyo. Sikuti mphamvu yake inangowonjezeka ndi 30-40%, komanso chofunika kwambiri, pansi pa maikulosikopu, kuwonongeka kwa malo ogwirira ntchito kunali kosaoneka, ndipo kuchuluka kwa zokolola kunakwera kwambiri. Bwana wawo pambuyo pake anadandaula kuti, "Zikuoneka kuti ntchitoyi sinali yovuta; sitinasankhe zida zoyenera."
Mukuona, imeneyo ndiyo mphamvu ya "Hulk"—m'dera lake la ukatswiri, imatha kuthetsa mavuto omwe ena sangathe.
Zachidziwikire, "vanguard general" iyi ili ndi makhalidwe ake. Ngakhale kuti ndi yolimba, kulimba kwake ndi kochepa, zomwe zimapangitsa kuti ikhale yolimba kwambiri. Chifukwa chake, pogwira ntchito ndi zinthu zina zolimba kwambiri, monga zitsulo zina, sizingagwire bwino ntchito ngati alumina yoyera yosakanikirana. Kuphatikiza apo, mtundu wake wobiriwira wa emerald umachokera ku zinthu zochepa zosafunika; mu njira zina zopukutira za semiconductor zomwe zimafuna kuyera kwambiri kwa mankhwala, ngakhale zinthu zoyera kwambiri zingafunike. Koma izi sizichepetsa malo ake olamulira pokonza zinthu zolimba komanso zofooka.
Nanga n’chifukwa chiyani imaonedwa ngati “nyenyezi yomwe ikukwera”? Ingoyang’anani zomwe zikuchitika pamakampani amakono komanso amtsogolo: makina opanga zinthu za semiconductor a m’badwo wachitatu (kabide ya silikoni, gallium nitride), mphamvu zatsopano za photovoltaic, zoumba za m'mlengalenga, magalasi apamwamba owunikira ... ambiri mwa mafakitale otuluka dzuwa amadalira zipangizo zopangira zinthu zomwe zimakhala zolimba komanso zofooka. Ufa wa silicon carbide wobiriwira ndi umodzi mwa zida zoyenera komanso zothandiza kwambiri pothana ndi mavuto ovuta awa.
Mphamvu yake ikukula limodzi ndi mafakitale apamwamba awa. Malinga ngati mafakitale awa akukula, padzakhala kufunikira kosalekeza kwa ufa wobiriwira wa silicon carbide wochita bwino kwambiri. Makampani athu opopera akufufuzanso nthawi zonse momwe angapangire tinthu take kukhala tofanana komanso kukonza bwino pamwamba pake, kuti tiwonekere bwino kwambiri nthawi ino yosangalatsa.