Umgubo we-silicon carbide oluhlaza: isixhobo esiyimfihlo sokuphucula ukusebenza kakuhle kokupholisha
Ngentsimbi yesibini kusasa, uLao Zhou ovela kwi-back panel workshop yefowuni ephathwayo waphosa isigqubuthelo seglasi esasisandula ukuphuma kumgca wemveliso etafileni yokuhlolwa, kwaye isandi sasicacile njengokutshisa ii-firecrackers. “Jonga! Liqela leshumi! Ixolo leorenji kunye nenkungu. Abahloli be-Apple baza kufika ngomso. Ngaba le nto ingaziswa?!” Igazi emehlweni akhe lalibomvu kunesibane sesalathisi kumatshini. ULi, owayethule ekhoneni, watyhala kancinci ibhakethi yomgubo oluhlaza okwesibhakabhaka, “Zama le 'ndoda iluhlaza', yeyona inomdla kakhulu ukucola amathambo aqinileyo.” Emva kweentsuku ezintathu, iqela lokuqala leemveliso ezifanelekileyo lathuthwa ngenqwelomoya ngobusuku bonke. ULao Zhou wabetha ibhakethi yeumgubo oluhlazawaza wancuma wathi: “Lo mfo mncinci unomsindo unokusindisa ubomi ngokwenene!” Kwidabi lokupholisha, elilugqatso oluchasene nexesha,umgubo we-silicon carbide eluhlaza (i-SiC)liyeza elinamandla nelisebenzayo elinyanga ngokukodwa zonke iintlobo “zokungakwazi ukugaya” kunye “nokungakwazi ukupolisha”.
Umgubo we-silicon carbide eluhlaza, owaziwa ngokuba yi-“ikhabhoni eluhlaza” okanye “i-GC"ehlabathini. Asiyontlabathi eqhelekileyo, kodwa yindoda eqinileyo "ecociweyo" kwisithando sombane se-arc esingaphezulu kwama-2000 degrees enezinto ezifana nesanti ye-quartz kunye ne-petroleum coke. Inomzimba olungileyo: Ubunzima be-Mohs bufikelela kwi-9.2-9.3. Buqinile kancinci kune "i-corundum emhlophe "umzala" kwaye ilandela idayimani kuphela. Okumangalisayo ngakumbi "ziimpahla zayo eziluhlaza" - iikristale ze-silicon carbide ezicocekileyo kakhulu, ezinemiphetho ebukhali kunye neekona, kunye nomsindo okhawulezayo nowomeleleyo. Ukuba i-corundum emhlophe "yinkosi yokukrwela" ezolileyo, ngoko kei-silicon carbide eluhlaza"yikapteni yokudiliza" ephethe i-micro mace, egxile ekuqobeni amathambo aqinileyo, kwaye ukusebenza kwayo kuyamangalisa.
Ixabiso layo likwimo "yokukhawuleza, echanekileyo, nengenanceba":
1. Ukukrwitsha “amathambo aqinileyo”: ukuchwephesha kuzo zonke iintlobo zokungathobeli
Iglasi yefowuni ephathwayo (iCorning Gorilla), isibuko sewotshi yesafire, i-silicon wafer enye yekristale, i-ceramic substrate… Ezi “projekthi zobuso” zemizi-mveliso yanamhlanje zinzima kwaye zibuthathaka ngakumbi kunezinye. Ii-abrasives eziqhelekileyo aziyi kusebenza okanye ziphule imiphetho ukuba kusetyenziswa amandla amaninzi. Imiphetho ebukhali ye-silicon carbide powder eluhlaza (njengee-micro chisel ezingenakubalwa kwinqanaba le-microscopic), kunye nobunzima bayo obuphezulu, ivumela ukuba "isike" umphezulu wezinto eziqinileyo nezibuthathaka ngobukhali nangokuthe ngcembe. Ingayixobula ngokukhawuleza impahla, endaweni "yokuyilima" njenge-abrasives ukuze yenze umonakalo omkhulu. Ukuyipolisha ikhava yefowuni ephathwayo? Ingayithomalalisa ngokukhawuleza "iintaba" kumphezulu weglasi ngaphandle kokubandakanya "iintlambo" ezisecaleni kwayo, iphindaphinde ukusebenza kwayo ngokuthe ngqo, kunye nokuthungwa kwexolo le-orenji? Hayi!
2. Ukusika "imela ekhawulezayo": ixesha yimali
Kumgca wokuvelisa iphaneli yekristale yolwelo ye-TFT-LCD, umzuzwana ngamnye wokusila nokupolisha umphetho we-substrate yeglasi enkulu unxulumene nomthamo wemveliso. "Isantya" somgubo we-silicon carbide eluhlaza sibhalwe kwiijini zayo. Amasuntswana ayo awaqinanga nje kuphela kwaye abukhali, kodwa akwanokuzilolonga ngokumangalisayo - amasuntswana acacileyo aya kuziqhekeza phantsi koxinzelelo, eveza imiphetho emitsha ebukhali ukuze aqhubeke nokulwa! Ngokungafaniyo nezinye izinto ezithambileyo zokusila, ziba "zithambile" ngelixa zisila, kwaye ukusebenza kwazo kuyawa. Le ndlela "yokuzihlaziya" ivumela ukuba ifane nentlanzi emanzini kwizigaba zokupolisha ezinzima neziphakathi, kwaye izinga layo lokususa izinto ngexesha ngalinye (MRR) liphambili kakhulu kunabakhuphisana nayo. Emva kokuba ifektri ye-silicon wafer ye-photovoltaic itshintshele kwi-slurry eluhlaza ye-silicon carbide enobukhulu obuthile besuntswana, ukusebenza kakuhle kokususa umphetho we-silicon wafer kwanda ngama-35%, kwaye amandla emveliso yemihla ngemihla yomgca omnye acinezelwe ngamakhulu eenxalenye - ngexesha lokufakelwa ngokukhawuleza, le yimali yokwenyani!
3. "Kulungile" xa kufikwa kwinqanaba lokuqala: ulungelelwano olubuthathaka phakathi kokusebenza kakuhle kunye nokuchaneka
Musa ukucinga ukuba “abantu abaphambeneyo abaluhlaza"Ingasebenza ngokungakhathali. Kwi-polish yefestile yesafire echanekileyo, ukukhetha ubungakanani obufanelekileyo besuntswana (njenge-W7, i-W5 okanye nokuba buncinci emva kokulungiswa kakuhle) kunye nefomyula ye-silicon carbide micropowder eluhlaza ibonisa "uburhabaxa phantsi koburhabaxa". Ingasusa ngokufanelekileyo imikrwelo enzulu kunye neengqimba zomonakalo ongaphantsi komhlaba ezishiywe yinkqubo yangaphambili (njengokugaya idayimani), ukubeka isiseko esihle kunye nokususa imiqobo yokupolisha okucolekileyo okulandelayo (njengokusebenzisa i-silica sol). Le ndima "yokudibanisa eyangaphambili nelandelayo" ibalulekile. Ngaphandle kwayo ukususa ngokufanelekileyo "izilonda ezinzima", inyathelo lokupolisha okucolekileyo elithatha ixesha elide liya kwandiswe kakhulu, kwaye izinga lemveliso liya kuba nzima ukuliqinisekisa. Oku kufana nokwakha indlu. I-silicon carbide eluhlaza "ngumsebenzi oyintloko" obeka isiseko ngokukhawuleza nangokulula aze akhe iindonga ezithwala umthwalo. Ngaphandle kwayo, "umsebenzi omhle" wokuncamathisela i-foil yegolide kamva uya kuba lilize.
4. Ukudlala "ngokugaywa ngamanzi": ukuzinza yindlela yokuhlala ixesha elide
I-micropowder ye-silicon carbide eluhlaza ineempawu zeekhemikhali ezizinzileyo (ezingasebenziyo) kwaye akulula ukuyiphendula ngee-fluids zokupolisha ezisekelwe emanzini okanye kwi-oyile ezisetyenziswa rhoqo. Kuthetha ukuthini oku? I-slurry izinzile kwaye akulula ukuyibolisa, ukuyihlalisa okanye ukuyihlanganisa! Kumgca wokupolisha onezinga eliphezulu lokuzenzekelayo, ukusebenza kwe-slurry okuzinzileyo yeyona ndlela iphambili. Cinga ngayo, ukuba i-abrasive ngamanye amaxesha ityebile kwaye ngamanye amaxesha incinci, kwaye amasuntswana ahlangana ukuze avale umbhobho, isivuno kunye neendleko zokugcinwa kwezixhobo ziya kuba zimbi kangakanani?Ikhabhoni eluhlaza"yenza abantu bangakhathazeki. I-slurry elungiselelweyo ingaqhuba ishifti ngokuzinzileyo okanye ixesha elide, inciphisa kakhulu inani lokuvalwa ukuze kulungiswe iiparameter kunye nokucoca imibhobho. ULao Wu, umphathi wemveliso yefektri ye-ceramic bearing echanekileyo, uthe ngeemvakalelo: "Ukususela oko i-slurry eluhlaza ye-silicon carbide ezinzileyo yatshintshwa, ekugqibeleni ndingakwazi ukuhlala phantsi ndisele iti eshushu ngexesha lokuhlolwa kweshifti yasebusuku. Kwakufana nokucima umlilo!"
Kweli xesha lokufuna ukutyibilika nokusebenza kakuhle,i-micropowder eluhlaza ye-silicon carbideisebenzise amandla ayo aqinileyo “olunobundlobongela” ukuze izenzele igama layo elisebenzayo nelinokuthenjwa emva kweendawo ezininzi ezithambileyo ezifana nesipili—ayisiyiyo indima ethambileyo, kodwa “sisixhobo esiyimfihlo” esifanelekileyo sokuphucula ukusebenza kakuhle kokupholisha.