
Lokacin da kuka ji 'iska saita simintin yashi', hoton nan da nan sau da yawa wani nau'in simintin yashi ne, watakila ya ɗan tsafta. Wannan shine kuskuren farko. Ba wai kawai game da amfani da iska don warkar da abin ɗaure ba. Haƙiƙanin ɓarna, kuma a zahiri inda shaguna da yawa ke tuntuɓe, yana cikin tsaka-tsakin tsaka-tsakin haɗin gwiwar yashi, yanayin zafi na gida a filin shago a wannan rana, da takamaiman lokacin ɗaure mai kara kuzari. Tsari ne da ke jin afuwa har sai ba haka yake ba.
Ka'idar ita ce madaidaiciya: an haɗe mai ɗaure resin roba da busassun yashi na siliki, kuma an gabatar da mai kara kuzari don fara aikin warkewa. Sunan 'air set' ya fito ne daga gaskiyar cewa yana warkewa a yanayin zafi da zarar an kunna gas. Amma a nan ga kama-lokacin aiki, ko 'rayuwar benci', yana da muni. A lokacin rani, tare da zafi mai zafi, haɗewar ku na iya fara saitawa a cikin mintuna 4 lebur, tana jujjuya cikakkiyar tsari zuwa dunƙule, taro mara amfani kafin ma ya kai ga ƙura. Rashin bushewar lokacin sanyi na iya shimfiɗa wancan lokacin, yana yin haɗari mara ƙarfi idan kun yi gaggawar tube tsarin. Kullum kuna daidaita ma'auni mai ƙara kuzari ta ji da ƙwarewa, ba kawai ta takardar bayanai ba.
Mun koyi wannan hanya mai wuya akan gudu na gidajen famfo ga abokin ciniki. Ƙididdigar ta yi kira ga kyakkyawan ƙarewa a kan hanyoyin ruwa na ciki, yin iska saita yashi simintin manufa zabi a kan gargajiya kore yashi. Ranar farko ta tafi lafiya. A rana ta biyu, gaba ya shiga, zafi ya karu, kuma ba mu biya diyya ba. Sakamakon? Jerin gyare-gyare tare da sassauƙan sassauƙa, tarkace waɗanda ke jujjuya kai tsaye zuwa simintin gyare-gyare. Kowane guda ya zama guntu. Kudin ba kawai a karfe ba ne; ya kasance a cikin ɓataccen lokaci da kuma sake tsara tsarin samar da layin samarwa.
A nan ne ainihin fasaha ta ta'allaka. Yana da tsari na tactile. Ƙwararriyar ƙira zai kama ɗan yashi gauraye, ya matse shi, kuma ya yi la'akari da farkon waraka ta wurin zafi da aka haifar da kuma yadda yake karye. Babu kayan aiki da zai iya maye gurbin wancan don gudun kan ƙasa. Fa'idar, lokacin da kuka ƙusa shi, daidaitaccen daidaito ne na girman girma da kuma ƙarewar saman da galibi ke buƙatar injin ƙira, wanda shine abin bautãwa ga hadaddun geometries.
Wannan tsari ba na kowane ƙarfe ba ne. Yana haskakawa tare da gami waɗanda ke da haɗari ga halayen iskar gas ko buƙatar madaidaicin madaidaicin thermal. Mun sami babban nasara tare da ductile iron da ƙananan karafa. Busasshiyar yashi mai haɗe-haɗe da sinadarai yana rage haɓakar iskar gas daga danshi, yana rage lahani. Koyaya, don manyan ƙarfe-chromium bakin karfe ko superalloys, wasan yana canzawa. A zafi riƙe mold ne daban-daban, da dauri rushewa iya wani lokacin haifar da surface carburization idan ba ka yi hankali da fuskantar yashi abun da ke ciki.
Wannan intersects kai tsaye tare da gwaninta na kafa kamar Qingdao Qiangsenyuan Technology Co., Ltd. (QSY). Tare da shekaru talatin da suka yi a cikin simintin gyare-gyare da injina, sun fahimci cewa tsarin shine rabin yakin. Kamfani kamar QSY, wanda ke jera gyare-gyaren harsashi, simintin saka hannun jari, da aiki tare da gami na musamman kamar na tushen nickel, zai kusanci. iska saita yashi simintin tare da fahimtar iyakoki da haɗin kai. Misali, hadadden jikin bawul a cikin bakin karfe na duplex na iya farawa azaman simintin yashi na iska don babban taron sa da babban siffarsa, sannan ya matsa zuwa shagunan su na CNC don madaidaicin m da flange fuskantar. Tsarin saiti na iska yana ba su siffar kusa-net tare da kyakkyawan mutunci, rage girman datti mai tsada a lokacin machining.
Na tuna da wani aiki na kayan aiki na ruwa inda kayan ya kasance ƙayyadaddun gawa na nickel-Copper. Koren yashi ya fita saboda damuwa da danshi. Simintin saka hannun jari ya wuce kima da tsada ga girman sashin. Saitin iska ya kasance daidai tsakiyar ƙasa. Makullin yana haɓaka al'ada da ke fuskantar yashi-haɗin tushen zirconia-a kan tsarin don hana hulɗar ƙirar ƙarfe, yayin amfani da daidaitaccen silica don yashi mai goyan baya. Hanya ce ta haɗaɗɗiyar hanyar da aka gina madaidaicin aiki don.
Wannan tsari ba shi da tausayi akan ingancin ƙirar. Duk wani abin da ba a yanke ba, duk wani ɗan littafin baya da za ku iya fita da shi a cikin koren yashi, zai kulle ƙirar a cikin saitin iska. Haɗin guduro yana da ƙarfi. Muna amfani da daftarin kusurwoyi waɗanda suke jin wuce gona da iri zuwa idon injina—sau da yawa mafi ƙarancin digiri 3 akan saman tsaye. Tsarin kayan abu ma yana da mahimmanci. Itace na iya jujjuyawa tare da halayen exothermic na resin curing na tsawon lokaci. Mun matsa zuwa babban ɗigon polyurethane ko ƙirar ƙarfe don kowane samarwa da ke gudana sama da guda 50. Farashin farko ya fi girma, amma daidaito da raguwar lokaci don gyaran ƙirar ƙira.
Venting wani fasaha ne na dabara. A molds ne m. Ba za ku iya dogaro da yashi kaɗai ba don barin iskar gas ya tsere yayin zubowa. Muna ƙara tashoshi bayyanannun huɗa da aka sassaƙa a cikin farfajiyar rabuwa ko amfani da kakin zuma a kan ƙirar da ke ƙonewa. Samun wannan kuskure yana haifar da ɓarna ko kumbura girman simintin gyare-gyare, lahani waɗanda kawai ake samun su a lokacin dubawa na ƙarshe.
To yaushe za ku zaba? Ba tsoho ba ne. Don sassauƙa, sassan ƙarfe mai girma-girma, yashi kore yana da sauri kuma mai rahusa. Don ƙaƙƙarfan kayan adon ko ƙwanƙolin turbin, kun je saka hannun jari. Saitin yashi na iska ya mamaye sararin tsakiya mai mahimmanci: ƙananan juzu'i zuwa matsakaici na sassa waɗanda ke buƙatar ingantacciyar ƙarewa da juriya fiye da yashi kore, amma suna da girma sosai ko kuma masu sauƙi na geometric don tabbatar da cikakken hanyar simintin saka hannun jari. Yi tunanin madaidaicin injin, shari'o'in kaya, manyan bawul, ko kayan aikin gine-gine.
Lissafin tattalin arziki ya haɗa da farashin ɗaure, wanda yake da mahimmanci, amma ya biya shi tare da rage aikin tsaftacewa na ɗakin da kuma ƙananan alawus na machining. Ajiye 2mm na hannun jari a ko'ina akan simintin karfe 100kg yana fassara zuwa ƙasa da sa'o'i akan cibiyar niƙa. Don ƙera haɗe-haɗe kamar QSY, wannan cikakkiyar ra'ayi-daga tushen tushe zuwa ɓangaren da aka gama - shine inda aka kama ainihin ƙimar tsarin. Yana ba su damar faɗin gasa akan abin da aka gama, ba kawai ɗanyen simintin gyare-gyare ba.
Takeaway? Kayan aikin ƙwararru ne. Yana buƙatar girmamawa ga sunadarai da abubuwan muhalli. Ba zai gafarta rashin kulawa ba. Amma idan aka yi amfani da shi zuwa ga ɓangaren dama, tare da goyon bayan da ya dace daga ƙirƙira zuwa ayyukan simintin gyare-gyare, yana haifar da sakamakon da ke da wuyar dokewa. Yana da game da dacewa da tsari zuwa yanayin rayuwar samfurin, ba tilasta samfura cikin tsarin da aka saba ba. Wannan shine hukuncin da ya zo daga ganin duka manyan nasarorin da ya samu da kuma rugujewar kasala mai tsada a kan shagon.
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