Lokacin da yawancin mutane suka ji 'madaidaicin ma'aunin simintin gyare-gyare', suna ɗaukar hoto mara aibi, sassan ƙarfe masu walƙiya kai tsaye daga ƙasidar. Wannan shine kuskuren farko. Gaskiyar ita ce ƙarin game da daidaitawa mai sarrafawa - sarrafa zafi, damuwa, da halayen kayan aiki ta hanyar da za ta kai ku kusa da wannan manufa kamar yadda kasuwanci zai yiwu. Ba sihiri ba ne; yana da niƙa na sarrafa tsari.
Wasan Shell: Fiye da Yashi Kawai
Ɗauki simintin gyare-gyaren harsashi. Sunan ya sa ya zama mai sauƙi, kamar tsoma tsari a cikin yashi da manne. Amma shaidan yana cikin abun da ke cikin yumbu slurry da stucco yashi ta rarraba hatsi. Samun danko da kuskure ta ƴan daƙiƙa guda akan kofin Zahn, kuma kaurin harsashin ku ya zama mara daidaituwa. Na ga batches inda gefe ɗaya na harsashi ya kasance cikakke, ɗayan ya ruguje yayin cirewa saboda rigar farko ba ta ɗaure daidai ba. Ƙwarewa ce mai ban sha'awa - za ku koyi yin hukunci da slurry ta yadda yake digo, ba kawai ta takardar bayanan ba.
Wannan shine inda dogon tarihin aiki ke da mahimmanci. Kamfanin kamar Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), tare da fiye da shekaru 30 a cikin simintin gyare-gyare da injina, wataƙila ya ƙone ta hanyar dubban slurry dabaru. Wataƙila sun daidaita kan haɗin gwiwar mallakar mallaka wanda ke da alaƙa da ƙayyadaddun yanayin zafi na Qingdao, wanda zai iya haifar da ɓarna a kan busasshen zagayowar. Ba kwa samun hakan daga sabon shago.
Ainihin gwajin yana tare da hadaddun tsakiya. Don hanyar sanyaya na ciki a cikin jikin bawul, ainihin yana buƙatar jure matsin ƙarfe amma har yanzu yana iya rushewa don cirewa. Mun taɓa yin amfani da daidaitaccen yashi na siliki don aikin bakin karfe. Ƙarfe ya shiga cikin mahimmanci, yana haifar da rikici wanda ya ɗauki kwanaki na EDM don sharewa. Gyaran? Canjawa zuwa gauran yashi na zircon don haɓakar ƙananan zafinta. Canjin ɗan ƙaramin abu, an guje wa babban farashin ceto.
Simintin Zuba Jari: Kakin Kaki da Jiran
Zuba jari shi ne ɗan fosta don daidaito, amma babban ɓarnar sa shine lokaci. Kowane Layer na harsashi yumbu yana buƙatar bushe sosai. Rushe shi, kuma za ku sami fashewar tururi yayin zuba - wanda ake kira 'shell fashe' - yana barin ku da wani nau'i mai cike da tarkacen karfe da yumbu shrapnel. Lokacin zagayowar shine shugaba, ba mai tsarawa ba.
Haɗin ƙirar kakin zuma wani nau'in fasaha ne. Don gungu na ruwan turbine, walda na ƙofofin kakin zuma ana yin su da hannu. Mai aiki da kayan aiki mai zafi yana taɓa kakin zuma; yayi zafi sosai, kuma yana narkar da bakin siraren da ke binsa; yayi sanyi sosai, kuma walda ba ta da ƙarfi, yana haifar da ɓarkewar ƙira yayin ginin harsashi. Ƙwarewa ce da ke ɗaukar shekaru. Na tuna ziyartar wani katafaren ginin inda mafi kyawun walda na kakin zuma zai iya yin bishiya mai nau'i 72 a cikin rabin lokacin sabon haya, ba tare da sake yin aiki ba. Wannan ingancin yana fassara kai tsaye zuwa samar da albarkatu.
De-waxing mataki ne mai mahimmanci, sau da yawa ba a manta da shi ba. Tsohuwar hanyar ita ce harbin walƙiya, wanda ke haɗarin fashewar harsashi. Yanzu, mafi yawan abubuwan da aka samo asali, gami da waɗanda aka haɗa Injin CNC kamar QSY, yi amfani da autoclaves mai matsa lamba mai ƙarfi. Dabarar ita ce lanƙwan matsa lamba-zazzabi. Yana buƙatar narke kakin zuma daga ciki ba tare da haifar da girgiza zafi ba. Gidan yanar gizon su, tsingtaocnc.com, ya ambaci aikin su tare da abubuwan da aka yi da nickel. Waɗannan gami galibi suna da ƙaƙƙarfan buƙatun tsarin hatsi, ma'ana zafin zafin da aka riga aka yi dashi dole ne ya zama daidai. Ƙunƙarar ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan harsashi na iya haifar da kutsawa cikin ƙarfe, lalata ƙarshen saman da kuma sanya mashin ɗin bayan simintin ya zama mafarki mai ban tsoro.
Material shine Doka
Ba za ku iya magana game da a madaidaicin simintin gyaran kafa ba tare da zurfafa cikin ƙarfe ba. Carbon karfe, bakin-suna hali daban. Amma gami na musamman shine inda ake gwada ƙwarewar gaske. Ɗauki allo na tushen cobalt, kamar Stelite. Ana zuba su a yanayin zafi mai tsananin gaske kuma suna da mummunan hali na haifar da tauri, gagarumi idan an sanyaya su ba daidai ba.
Muna da aikin don zoben hatimi mai jurewa. Buga ya buƙaci takamaiman taurin Rockwell C. Zubawar farko, ta amfani da daidaitaccen hanyar sanyaya, ko dai sun yi laushi ko fashe. Matsalar ita ce yawan zafin jiki na mold. Dole ne mu ƙirƙira faranti na sanyi na al'ada - abubuwan da aka sanya na jan karfe da aka sanya a cikin ƙirar - don daidaita ƙarfin ƙarfen, tilasta shi yin sanyi daga sashin mahimmanci a waje. Ya yi aiki, amma ya ƙara kwana biyu zuwa lokacin ƙirƙira ƙirƙira. Wannan shi ne akai-akai ciniki-kashe: daidaici vs. kudin vs. gubar lokaci.
Wannan shine inda tarihin kayan mai kaya ke da mahimmanci. Da'awar wani kamfani na yin aiki tare da kayan aikin nickel abu ɗaya ne, amma samun tarin nasarorin da aka samu don abubuwan haɗin gwiwa a cikin mahalli masu tayar da hankali (tunanin abubuwan da ke haifar da bututun sinadarai) wani abu ne. Yana nufin sun warware matsalolin gating da tashin hankali na musamman ga waɗannan alamu na raguwar gami.
CNC: Inda Casting Ya Haɗu da Gaskiya
Babu wani ɓangaren simintin gyare-gyaren da ke da ainihin 'siffar hanyar sadarwa' a cikin ma'ana mai ma'ana. A nan ne aka haɗa Injin CNC ya zama ba tattaunawa. Babban fa'ida mai tushe tare da injina cikin gida yana da ra'ayi. Lokacin da mashin ɗin ya yi rawar gani a cikin simintin gyare-gyare kuma ya sami wuri mai wuya ko ramin ƙasa, wannan bayanin yana komawa kai tsaye zuwa ƙungiyar narkewa.
Na tuna gunkin maƙallan ƙarfe na ductile. Sun yi injina da kyau sai dai kusurwa ɗaya a kowane ɓangaren da kayan aikin zai yi magana. Ya juya ya zama ɗan bambanci a cikin adadin sanyaya a wannan kusurwar ƙirar, ƙirƙirar yanki na yanki na babban abun ciki na pearlite. Ƙungiyar ma'aikata ta gyara fins ɗin sanyaya a kan mold, kuma matsalar ta ɓace. Ba tare da injina a ƙarƙashin rufin ɗaya ba, wannan madaidaicin amsa yana ɗaukar makonni.
Don kamfani kamar QSY, bayar da simintin gyare-gyare da machining yana nufin za su iya sarrafa datum. Za su iya jefa a cikin gano sanduna ko ƙarin haja a daidaitattun wurare da sanin ainihin yadda CNC ɗin su zai kama da yanke sashin. Wannan haɗin gwiwa yana da mahimmanci ga hadaddun geometries inda ake buƙatar izinin injina ya zama kaɗan amma daidai daidai don guje wa yanke bango.
Kasawar Da Ke Koyarwa
Mafi kyawun lokacin koyarwa suna zuwa daga abubuwan da ke faruwa ba daidai ba. Tun da farko, mun kasance da kwarin gwiwa a cikin software na kwaikwayo don ƙarfafawa. Mun gudanar da simulation don gidan bawul na tagulla, kuma ya nuna cikakkiyar ciyarwa. Hotunan simintin gyare-gyare na haƙiƙa suna da ɗimbin ramuka masu yawa a cikin kauri mai kauri. Simulation bai yi lissafin ɗan bambanci ba a ainihin ma'aunin zafin jiki na mu. Mun rasa rukunin. Darasi? Kwaikwayi jagora ne ba annabi ba. Har yanzu kuna buƙatar yanke simintin simintin faifai na farko, sashe shi, ku kwaɓe shi, kuma ku kalli hatsi. Babu madadin gwaji mai lalacewa.
Wani gazawar gama gari shine aikin injiniya fiye da kima. Mun taɓa ƙoƙarin aiwatar da tsaftataccen tsaftar argon don narkar da bakin karfe don rage haɗawa. Ya yi aiki, amma karuwar farashin ya kasance 300%. Bangaren ba ya bukatarsa; daidaitaccen degassing ya isa. Ƙimar ta kasance don famfun masana'antu na gabaɗaya, ba ɓangaren sararin samaniya ba. Sanin lokacin da 'mai kyau' shine ainihin 'cikakke' don aikace-aikacen ƙwararren hukunci ne wanda ke raba ƙwararrun tushen tushe daga ma'auni.
Don haka, menene abin dogara madaidaicin simintin gyaran kafa kama? Ba ita ce ke da ƙasida mafi kyawu ba. Shi ne wanda zai iya yin bayani, a cikin daki-daki, dalilin da ya sa suke amfani da wani zazzabi mai zafi don 17-4PH, ko yadda suke tsara bishiyoyin kakin su don rage tashin hankali ga aluminum. Shine wanda gidan yanar gizon sa, kamar QSY's, kai tsaye ya jera ainihin ƙwarewar sa—harsashi mold simintin gyaran kafa, zuba jari, machining, da takamaiman jerin kayan - ba tare da da'awar hyperbolic ba. Yana ba da shawarar mayar da hankali kan maimaitawa akan mu'ujizai. A cikin wannan ciniki, wannan shine kawai daidaito da ke da mahimmanci.
