Lokacin da yawancin mutane suka ji 'silica sol precision simintin', suna yin hoto mara aibi, siffa mai siffa, a shirye don tafiya. Wannan shine manufa ta kasuwanci. Gaskiyar, niƙa ta yau da kullun, tattaunawa ce ta dindindin tare da sunadarai na colloidal, aikace-aikacen stucco, da kimiyyar lissafi mara gafartawa na ƙarfafa ƙarfe. Ba wai kawai game da yin ƙira ba; game da aikin injiniya ne na wucin gadi, rami mai layi na yumbu wanda ke nuna halin tsinkaya a ƙarƙashin narkakken ƙarfe 1500°C. Yawancin shaguna suna gyarawa akan matakin ƙarfe na ƙarshe - wanda yake da mahimmanci, tabbas - amma a gani na, an sami nasarar yaƙin gaske ko kuma an rasa a cikin ɗakin slurry da autoclave dewaxing. A nan ne ake adana ma’aunin lissafi ko kuma a murguda shi kafin a zubar da digo guda na karfe.
Bambancin Mahimmanci: Abin Daure Kawai
Mutane da yawa suna ɗaukar silica sol azaman manne mai sauƙi, mai ɗaure don riƙe fulawa mai jujjuyawa tare. Wannan abu ne mai haɗari fiye da sauƙaƙawa. Tsarin rayuwa ne. Dankin sol, pH, da abun ciki na SiO2 ba lambobi ne kawai a kan takamaiman takarda ba; suna bayyani yadda rigar farko ke jika ƙirar kakin zuma, yadda ta ke magudana a ko'ina, kuma a ƙarshe, ƙarshen simintin. Na ga batches inda sol ya ɗan ɗanɗana 'tsohuwar', yana haifar da saurin gelling dauki tare da ethyl silicate hardener. Sakamakon? Tufafin fari mai tsinkewa wanda ƙananan ya fashe yayin cirewa, yana haifar da lahani ga kowane simintin gyare-gyare a cikin gudu. Karfe ya kasance cikakke 316L, amma sassan sun kasance guntu.
Wannan shine inda tushen ƙwarewar mai kaya ke da mahimmanci. Kuna buƙatar abokin tarayya wanda ya fahimci cewa abubuwan da ake amfani da su sun kasance na musamman kamar tsari. Kamfanin kamar Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), tare da shekarun su uku a cikin ƙirar harsashi da simintin saka hannun jari, suna samun wannan a zahiri. Ba wai kawai sayar muku da siliki sol ba; game da sanin cewa nasarar ku silica sol daidai simintin simintin gyaran kafa tsari yana rataye akan daidaiton wannan ruwa sosai. Ayyukan su na dogon lokaci yana ba da shawara mai zurfi, ƙwarewar aiki tare da waɗannan nuances na kayan aiki, nau'in da kawai ke fitowa daga tafiyar da layin samarwa kowace shekara.
Zaɓin gari mai jujjuyawa - silica, zircon, ko wani abu kamar mullite - an yi aure da halin sol. Zircon yana buƙatar dankowar sol daban fiye da haɗakar siliki don mafi kyawun tsomawa. Yana da haɗin kai. Ba za ku iya inganta ɗaya a keɓe ba. Mun koyi wannan hanya mai wuya akan aikin don samfurin injin turbine. Mun canza zuwa gari mafi kyawun zircon don ingantaccen haifuwa daki-daki amma mun kiyaye sigogin tsoma iri ɗaya. Gilashin ya yi kauri sosai, sasanninta sun gada, kuma harsashi ya haɓaka yankuna masu ƙarancin ƙarfi. Harsashi sun ci gaba da karyewa yayin sarrafawa. Darasi mai tsada a cikin tunanin tsarin.
Rawar Gina Shell: Ƙaƙwalwar Layer-by-Layer
Gina harsashi shine inda ka'idar ta hadu da mummunan gaskiyar shagon. Littafin ya ce riguna 7-9. Amma don simintin ƙarfe mai kauri? Kuna iya buƙatar ƙarin riguna don ƙarfi, amma kowane gashi yana ƙara haɗarin kama damuwa yayin bushewa. Don ɓangaren bakin ƙarfe mai bakin ciki, rikitaccen ɓangaren ƙarfe, zaku iya ba da fifiko kaɗan, mafi kyawun riguna don guje wa cika cikakkun bayanai. Daidaitawa ne tsakanin ƙarfin kore, iyawa, da daidaito na ƙarshe.
Bushewa tsakanin riguna shine mafi ƙarancin ƙima. Ba lokaci ba ne kawai; game da kwararar iska, zafi, da daidaiton zafin jiki a cikin ɗakin bushewa. Dan daftarin daftarin aiki zai iya sa gefen gungu ya bushe da sauri, yana haifar da damuwa daban-daban. Mun taɓa samun matsala mai maimaitawa tare da tsage harsashi a gefe ɗaya na busarwar mu. Ya ɗauki makonni kafin mu gano shi zuwa iskar HVAC wanda ke ƙirƙirar ƙananan yanayi. Gyaran baya cikin tsarin slurry; ya kasance a cikin sarrafa kayan aiki.
Stuccoing wani fasaha ne. Girman da nau'in stucco-sake, zircon, fused silica, alumino-silicate-yana ƙayyade porosity na harsashi da juriya ga shigar ƙarfe. Yayi kyau sosai, kuma kuna shake tserewar iskar gas yayin zubarwa, yana haifar da ƙarancin iskar gas a cikin simintin. M sosai, kuma kana samun m saman ciki wanda zai iya haifar da shigar karfe da kuma rashin kyau gama. Domin high-zazzabi gami QSY Lissafi, kamar nickel-based alloys da cobalt-based alloys, waɗanda ke da manyan abubuwan narkewa da ruwa daban-daban, dabarun stucco na iya canzawa don fifita mafi girma refractoriness da thermal shock juriya. Kwarewarsu a cikin kewayon kayan abu mai faɗi, daga simintin ƙarfe zuwa gami na musamman, yana nuna cewa dole ne su mallaki waɗannan gyare-gyare.
Dewaxing: Lokacin Babban Damuwa
Wannan shine gwajin gaskiya na farko na harsashi. Duk wannan shimfidar hankali yana gab da fuskantar saurin haɓaka yanayin zafi yayin da kakin zuma ya narke da faɗaɗawa. Matsi na autoclave da ƙimar zafin jiki suna da mahimmanci. Da sauri sosai, kuma matsi na hydraulic na kakin zuma zai fashe har ma da kwasfa da aka gina sosai. Jinkirin ya yi yawa, kuma kuna haɗarin cirewar kakin zuma wanda bai cika ba, yana haifar da gobara da lahani na carbon yayin ƙonawa.
Muna da bawon harsashi don wasu jikin bawul waɗanda akai-akai suka fashe a gindin sprue. Bawo ya yi kama sosai. Mun duba komai-slurry, bushewa, stucco. A ƙarshe, mun kalli kakin zuma kanta. Wani sabon mai siyarwa yana da ɗan ƙaramin ƙima mafi girma na faɗaɗa thermal. Harsashi, wanda aka ƙera don tsohuwar bayanin martabar kakin zuma, ba zai iya ɗaukar ƙarin matsa lamba ba. Maganin shine a canza zagayowar autoclave, yana gabatar da ɗan gajeren matsi na farko don tausasa tushen kakin zuma kafin babban fashewar tururi. Ya kara mintuna 3 zuwa zagayowar amma ya ceci dubbai a tarkace.
Ƙonawa & Zubawa: Inda Shell ɗin yumbu ya sami Rijiyarsa
Burnout ba wai kawai game da kona ragowar kakin zuma ba ne. Yana da game da sintering yumbura, haɓaka ƙarfin zafi na ƙarshe. Ramp zuwa 1000°C+ yana buƙatar sarrafa shi don guje wa girgizar zafi. Duk wani ragowar carbon daga kakin zuma na iya haifar da raguwar yanayi a cikin harsashi, wanda ga wasu gami kamar wasu bakin karafa, na iya yin illa ga ilmin sinadarai.
Sai a zuba. Anan ne madaidaicin harsashi ke da mahimmanci. Karfe na zube yana shiga, iskar gas na buƙatar tserewa ta bangon harsashi. Idan harsashi ya yi yawa (daga tsomawa ko kuma stucco mai kyau), iskar gas yana kamawa, yana samar da ramuka. Na tuna wani aiki na famfo impeller a duplex bakin karfe. Harsashi suna da kyau, masu yawa, da ƙarfi. Amma muna da 30% kin amincewa da iskar gas. An samo batun zuwa ga na uku da na huɗu na slurry, wanda muka ɗan yi niƙa don kwanciyar hankali, yana mai da shi lafiya sosai kuma yana rage ramukan tsaka-tsakin. Halin al'ada na haɓaka kadara ɗaya (kwantar da hankali) a kashe wani abu mai mahimmanci (permeability).
Ƙarshe & Matsayin Ƙarshen Duniya na Gaskiya
Hujja tana cikin dakin nika. Nawa hannun jari ne ake buƙatar cirewa? An aiwatar da kyau silica sol daidai simintin simintin gyaran kafa tsari ya kamata ya samar da sassan da ke buƙatar ƙarancin ƙarewa. Wurin cirewar ƙofar ya kamata ya kasance mai tsabta, ba yaga guntun ginin simintin gyaran kafa. Ya kamata saman ya kasance mai tsabta sosai don wasu fuskoki marasa mahimmanci, fashewar gilashin gilashin haske ya wadatar. Wannan babban tanadin farashi ne, musamman ga kayan kwalliya masu ƙarfi kamar na tushen cobalt waɗanda ke da wahalar injin.
Wannan shi ne haɗin gwiwar sabis ɗin da mai cikakken sabis ke kawowa. Ba wai kawai yin harsashi da zubar da karfe ba. Yana da dukan sarkar darajar, daga yin tsari zuwa ƙarshe Injin CNC. Kallon QSYIyalin-wanda ya ƙunshi simintin gyare-gyaren harsashi, simintin saka hannun jari, da injinan CNC-an tsara su don sarrafa duk wannan kwararar. Za su iya tsara tsarin simintin gyare-gyare tare da mashin ɗin a hankali, inganta wuraren ƙofa don ƙarancin tsaftacewa, wanda shine babban fa'ida ga hadaddun abubuwa. Gidan yanar gizon su, https://www.tsingtaocnc.com, yana nuna wannan haɗin gwiwar hanya, sanya su azaman mafita don abubuwan da aka gama, ba kawai simintin gyare-gyare ba.
A ƙarshe, simintin siliki sol daidaitaccen simintin simintin gyare-gyare shine jerin ƙananan yanke shawara ɗari. Kowanne-daga pH na sol zuwa madaidaicin ƙimar a cikin tanderun ƙonewa-yana barin sawun yatsa a ɓangaren ƙarshe. Shagunan da suka yi nasara ba kawai suna bin girke-girke ba; suna karanta harsashi, suna fassara fashe, kuma suna tweaking tsarin koyaushe. Cakuda ne na kimiyyar kayan zurfi mai zurfi da hannu-da-hannu, kusan ilhama, fasahar benen kanti. Manufar ba ita ce kamala ba; yana da tsinkaya, maimaituwa mai kyau, batch bayan tsari. Kuma wannan yana zuwa ne daga lokaci a cikin ramuka, magance yanayin zafi na lokacin damina ko sabon yashi mai jujjuyawa wanda ke nuna ɗan bambanci.
