Lokacin da mafi yawan jama'a suka ji 'yashi simintin aluminum', suna yin hoto mai sauƙi, kusan tsari na farko - zubar da narkakken ƙarfe a cikin yashi, sanyaya shi, kuma kun gama. Wannan shine babban kuskure. Gaskiyar ita ce tattaunawa akai-akai tsakanin ruwa na aluminium da taurin yashi, inda nasara ta ta'allaka kan cikakkun bayanai mafi yawan takaddun takaddun da ba a ambata ba. Ba kawai hanyar yin simintin ba; jeri ne na sasantawa.
Yashi Ba Datti bane kawai, kuma Aluminum Ba Karfe Ne kawai ba
Bari mu fara magana game da yashi. Green yashi, resin-bonded, sodium silicate-kowannensu yana da nasa hali. Don aikin aluminium na gabaɗaya, kyakkyawan yashi koren yashi tare da yumbu mai dacewa da sarrafa danshi shine dokin aiki. Amma na ga ayyukan sun gaza saboda wani ya ɗauki tsarin yashi kamar sinadari mai tsayi. Tsarin rayuwa ne. Yashin yana sake yin fa'ida, amma yana ƙasƙantar da shi, yana ɗaukar gurɓatacce daga ƙonawar ɗaure, kuma iyawarsa ta canza. Idan ba ku kula da tsarin kayan sa zuwa tsari ba, za ku fara samun lahani na sama, kamar wutsiyoyi ko wutsiyar bera, waɗanda suke kama da al'amuran ƙarfe amma matsala ce kawai ta yashi.
Sa'an nan kuma akwai aluminum. 'Aluminum' yayi fadi da yawa. Shin muna magana ne game da A356 don kyakkyawan yanayin simintin sa da maganin zafi? Ko wataƙila 6061 don ƙayyadaddun buƙatun injina, kodayake yana da wahalar jefawa? Zaɓin yana ƙaddamar da komai - yawan zafin jiki na zubewa, ƙirar tsarin gating, ƙaƙƙarfan raguwa. Zuba A380 a daidai lokacin da A356 shine girke-girke na porosity. Alloy yana faɗar rawa.
Wannan shine inda gwaninta daga shagon cikakken sabis ke da mahimmanci. Wuri kamar Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), tare da shekarun da suka gabata a cikin simintin gyare-gyare da machining, suna samun wannan hulɗar. Ba za su kalli zane don gidaje na aluminum ba; za su yi la'akari da dukan tafiya daga narkakkar karfe zuwa gama, machined part. Tsarin simintin yashi yana saita mataki don duk aikin CNC na ƙasa. Sashin simintin gyare-gyare mara kyau tare da raguwa na ciki ko tabo mai wuya zai kashe kayan aiki yayin injin, farashin da galibi ana mantawa da shi a cikin arha simintin ƙira.
Ciyarwa, Ciyarwa, da Ƙwarewar Haɗin Jagora
Wannan ita ce zuciyarta. Kuna iya samun cikakkiyar yashi da ingantaccen gami, amma idan tsarin gating da tashi (ciyarwar) tsarin tunani ne na baya, zaku kwashe sashin. Manufar ita ce ƙarfafawar kwatance: sanya ƙarfe ya ƙulla ƙarfi daga mafi nisa na simintin gyare-gyaren baya zuwa mashigin, wanda shine tafki na ƙarfe mai zafi wanda ke ciyar da raguwa. Ga aluminum, wannan yana da mahimmanci saboda yawan raguwar sa yana da mahimmanci.
Na koyi wannan hanya mai wuya da wuri tare da madaidaicin famfo mai kauri. Simintin ya yi kama da sauti, amma yayin gwajin matsa lamba, ya zubo. Sashin sa ya bayyana cibiyar spongy na ƙananan ƙarancin ƙarancin ƙarancin ƙarancin ƙima. Matsalar? Mai tashi ya yi kankanta kuma an sanya shi ba daidai ba; ya dakushe kafin sashin kauri ya yi, don haka babu wani karfen ruwa da ya rage don ciyar da wannan raguwar. Gyaran ba kawai ƙara ƙarin ƙarfe ba ne; yana sake fasalin gating don sarrafa ma'aunin zafi. Mun yi amfani da sanyi-ƙarfe a cikin yashi-don hanzarta sanyaya a takamaiman wurare da kuma tilasta ƙarfafawa a hanya madaidaiciya.
Kwaikwayo software yana taimakawa yanzu, amma ba bishara ba. Yana ba ku yanayi, tsinkaya. Har yanzu kuna buƙatar fassara shi da ilimi mai amfani. Wani lokaci, simulation yana nuna wuri mai zafi, kuma littafin ya ce ƙara mai tashi a can. Amma idan wannan tabo yana cikin siririyar gidan yanar gizo, ƙara babban mai tashi yana da nauyi kuma yana haifar da babban nauyi na inji. Wataƙila mafi kyawun bayani shine a ɗan canza fasalin sashi tare da abokin ciniki, ƙara ƙaramin haƙarƙari don sake rarraba taro. Irin darajar injiniyan da ƙwararren abokin aiki ke kawowa kenan.
Inda Simintin Yashi Ya Kai Iyakarsa (Kuma Inda Yake Haskakawa)
Sand simintin aluminum yana da ban mamaki ga ƙananan juzu'i zuwa matsakaici, don manyan sassa, da kuma ƙira waɗanda zasu yi tsada da tsadar injin daga ƙaƙƙarfan billet. Yi tunanin tubalan injin, shari'o'in watsawa, manyan firamiyoyi na tsari. Ƙarshen saman ba zai zama santsi ba kamar simintin saka hannun jari ko mutuwar simintin gyare-gyare, kuma juriyar juzu'i ya fi fadi. Kuna ciniki kashe wasu madaidaicin don sassauci da ƙananan farashin kayan aiki.
Amma iyaka ba girman ko haƙuri ba ne kawai. Yana da rikitarwa na geometric. Zurfafa, kunkuntar aljihu? Yankewa? Waɗannan su ne mafarkai ga sassauƙan yashi mai sassa biyu. Za ka fara ƙara cores — daban-daban siffofin yashi saka a cikin mold. Kowane cibiya yana ƙara farashi, sarƙaƙƙiya, da sabon tushen lahani mai yuwuwa (kamar mahimmin motsi ko iskar gas daga ainihin abin ɗaure). Na tuna wani aiki don hadadden jikin bawul inda babban taron yana da guda shida daban-daban. Adadin yawan amfanin ƙasa ya kasance mai muni har sai mun canza ainihin abin da ke ɗaure zuwa wanda ya samar da ƙarancin iskar gas kuma ya ƙaru ainihin bugu (makiyoyin rajista) don ingantacciyar kwanciyar hankali.
Wannan shine dalilin da ya sa kamfanonin da ke ba da matakai daban-daban, kamar QSY tare da ƙirar harsashi da damar zuba jari, suna da fa'ida. Za su iya kallon wani yanki kuma su faɗi gaskiya, Don wannan lissafin lissafi da gamawar da ake buƙata, yin simintin yashi ba shi da kyau. Yin simintin saka hannun jari zai iya ceton ku duka farashi ta hanyar rage injina. Wannan haƙiƙa yana da mahimmanci.
Muhimmin Hannun Hannu: As-Cast to Machined
Yin simintin gyare-gyare ba ɓangaren da ya ƙare ba ne. Kusan koyaushe, yana buƙatar machining. Dangantakar da ke tsakanin ginin da kantin sayar da injin ba zai iya zama gaba ba. Mashin ɗin yana buƙatar fahimtar simintin simintin gyare-gyare-kamar ƴan kusurwoyin daftarin aiki akan fuskoki a tsaye, yuwuwar tabo mai wuya a kusa da sanyi, ko alawus ɗin hannun jari mara sifofi. Kamfanonin yana buƙatar fahimtar abin da mashin ɗin ke buƙata: daidaitattun saman datum, isassun haja don tsaftacewa, da kuma guje wa lahani a wuraren da ba a iya gani ba.
Haɗin kai ayyuka suna magance wannan. Idan kamfani daya da ya zuba simintin shima ya kera shi, kamar na Injin CNC ayyuka a QSY, madauki na ra'ayi yana da ƙarfi. Ƙungiyar mashin ɗin ta gaya wa ma'aikatar, Muna ganin kayan aiki da lalacewa a duk lokacin da muka shiga wannan mahadar. Kamfanonin na iya yin bincike-watakila haɗaɗɗun alumina ne, wataƙila tasirin sanyi ne na gida-da daidaita tsarin. Wannan haɗin gwiwa shine yadda kuke samun abin dogaro. Yana juya abin da aka samo asali zuwa mafita da aka kera.
Na kasance a kan ayyukan da aka samo simintin gyare-gyaren daga wani mai sayarwa da kuma mashina daga wani. Nuna yatsa lokacin da tsari ya gaza ba shi da iyaka. Shin aibi ne ko kuskuren inji? Mai ba da haɗin kai ya mallaki dukan tsari, kuma wannan lissafin yana fassara zuwa inganci.
Material Ba Tsibiri ba: Lokacin da Aluminum bai isa ba
A ƙarshe, tunani akan kayan. Duk da yake muna mayar da hankali kan aluminum, mai kyau tushe ba ya tunani a cikin silos. Wani lokaci, abin da ke farawa kamar yadda ƙayyadaddun simintin yashi na aluminum ke tasowa. Wataƙila ɓangaren yana buƙatar jure yanayin zafi mafi girma ko fiye da lalata. Samun gwaninta a cikin wasu kayan, kamar bakin karfe da gami na musamman (na tushen nickel, tushen cobalt) wanda QSY ya lissafa, yana ba da hangen nesa mai faɗi. Za su iya ba da shawarar cewa don wani yanki mai tsayi na musamman akan ɓangaren aluminium, za a iya shigar da wani nau'i na alloy daban-daban ko kuma a haɗa shi daga baya. Yana da game da samun cikakken kayan aiki don magance matsalar aikin abokin ciniki, ba kawai buƙatar aiwatar da su ba.
Don haka, yashi simintin aluminum? Filin yaudara ne mai zurfi. Yana da game da sarrafa halayen yashi, jagorantar ƙarfafa ƙarfin ƙarfe mai raguwa, ƙira don ƙira daga farko, da tabbatar da ɓangaren simintin simintin gyare-gyaren simintin simintin gyare-gyare na ƙarshe. Yana da m, hannu-kan, kuma cike da masu canji. Amma lokacin da duk ya danna, kuma ka ja sauti, tsaftataccen simintin gyare-gyare daga yashi, a shirye don yin aiki daidai, wannan shine ainihin sakamako. Ba na farko ba ne; tushe ne.
