Lokacin da mutane suka ji 'simintin simintin jiragen sama', galibi suna ɗaukar hoto mara aibi, ƙwanƙolin turbine sabo daga bidiyon talla. Gaskiyar ita ce mafi muni, mafi takurawa, kuma a zahiri, mafi ban sha'awa. Ba wai kawai game da cimma hadaddun geometries ba; Tattaunawa akai-akai ne tsakanin kishin ƙira, gaskiyar ƙarfe, da mugunyar tattalin arziƙi na ƙarar, ɗimbin ƙima, da lokutan jagora. Mutane da yawa suna ɗauka mafi ƙarancin haƙuri koyaushe yana da kyau, amma ƙididdige ± 0.05mm akan farfajiyar da ba ta da mahimmanci na iya ninka farashin don fa'idar aikin sifili. A nan ne ainihin aikin ke faruwa.
Muhimmin Ra'ayin Kuskure: Daidaitaccen Tsari ne kawai
Babban sauƙaƙawa shine ɗaukar simintin saka hannun jari a matsayin madaidaiciyar madadin ƙirƙira ko injina. Madaidaicin sakamako ne, ba bayarwa ba. Ana samun shi ta hanyar sarrafa masu canji ɗari. Misali, sigogin allurar ƙirar kakin zuma-zazzabi, matsa lamba, lokacin tsayawa-kai tsaye yana shafar kwanciyar hankali da ƙarewar ƙasa tun kafin a zubar da kowane ƙarfe. Ƙaramar sauyi a cikin yanayin yanayin dakin kakin zuma na iya gabatar da yanayin damuwa waɗanda kawai ke bayyana kansu a matsayin karkatacciyar bango bayan ginin harsashi da lalatawar. Ba karfe kawai kuke yin ba; kuna jefa duk tarihin kakin zuma da aikin yumbu.
Na tuna da wani aiki don madaidaicin tsari a cikin babban abin da ke tushen nickel. Zane yana tura iyaka akan bangon bakin ciki da kusurwoyi masu kaifi na ciki. Simulation ya yi kama da tsabta. Labaran farko, duk da haka, sun nuna ƙananan hawaye masu tsayi a mahadar. Amsar da aikin injiniya ya yi nan da nan shine don tweak gating. Amma tushen tushen ya kasance mafi mahimmanci: takamaiman alumina-silicate mai ɗaure a cikin farkon slurry Layer yana ƙirƙirar gradient mai zafi mara kyau a kan takamaiman halayen haɓakar gami. Canjawa zuwa kayan da ke fuskantar tushen zircon, duk da tsadarsa, ya warware shi. Darasi? Harsashi a cikin simintin gyare-gyaren harsashi ba babban akwati ba ne; tsarin zafi ne mai aiki.
Wannan shine dalilin da ya sa haɗin gwiwa na dogon lokaci tare da kafuwar da ke da zurfin ƙayyadaddun kayan aiki yana da matukar amfani. Kamfanin kamar Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), tare da shekaru talatin a ciki zuba jari da machining, da sun fuskanci waɗannan al'amuran sau da yawa. Kwarewarsu akan simintin ƙarfe, ƙarfe, da mahimmanci cobalt na tushen gami kuma nickel tushen gami yana nufin sun yi yuwuwar gina ɗakin karatu mai ban sha'awa wanda girke-girke na harsashi ke aiki tare da dangin ƙarfe waɗanda ke ƙarƙashin matsalolin geometric daban-daban. Wannan ilimin tacit ba ya cikin kowace fakitin software.
Rawar Material: Alloys Ba Musu Canzawa Ba
Da yake magana game da gami, motsin sararin samaniya yana motsawa zuwa kayan kamar Inconel 718, Mar-M247, ko HS-188 na tushen cobalt ba kawai canjin takarda bane. Kowannensu yayi kama da dabba daban a lokacin zuba jari tsari. 718 yana da ɗan gafartawa amma yana da sauƙi ga rarrabuwa idan yawan zafin jiki ya kashe ta hanyar gashi. Narkar da injin narke don ingantaccen ɓangaren Mar-M ɗin ballet na sarrafa zafin jiki da saurin janyewa. Yi kuskure, kuma ba kawai kuna samun ƙin yarda ba; za ku sami tanderu mai tsadar gaske.
Mun koyi wannan cikin raɗaɗi akan aikin farko na ƙoƙon murƙushewa. Buga ya yi kira ga madaidaicin cobalt gami. Mun samo abin da muke tsammanin daidai ne. Chemistry ya kasance cikin ƙayyadaddun ƙayyadaddun bayanai, amma bambance-bambancen kashi-abubuwa kamar lanthanum ko abun ciki na yttrium-sun canza ruwa sosai da juriya mai zafi. Sakamakon ya kasance kashi 40% na raguwa a farkon samarwa saboda fashewa. Gyaran ba tweak ɗin tsari bane; yana komawa cikin niƙa don narke tare da ƙuƙumma, ƙarin ingantaccen bayanin martaba. Yanzu, Ina sane da cewa alloy spec mafari ne, ba garanti ba.
Wannan shine inda kayan haɗin gwiwar ke nuna ƙarfin su. Lokacin da mahaɗan guda ɗaya ke ɗaukar nauyin zuba jari kuma daga baya Injin CNC, za su iya yin ciniki-kasuwanci. Wataƙila sun bar ƙarin 0.5mm na hannun jari akan flange mai banƙyama da sanin ƙungiyar injin ɗin su tana da takamaiman dabarun daidaitawa, inganta tsarin simintin gyare-gyare don mutunci maimakon kusancin kamalar siffa. A duba QSYiya iya (https://www.tsingtaocnc.com) yana ba da shawarar wannan haɗaɗɗiyar hanya-simintin gyare-gyare da machining a ƙarƙashin rufin daya-wanda ke da mahimmanci ga sassan sararin samaniya inda ake buƙatar mashin bayan simintin gyare-gyaren kusan ko da yaushe don buga waɗannan siffofi na ƙarshe na datum.
Gating da Ciyarwar Puzzle: Fiye da Fasaha Fiye da Kimiyya
Software na kwaikwaiyo ya yi nisa mai nisa, amma ƙirar gating ya kasance ɓangaren kimiyya, ɓangaren fasahar baƙar fata. Software na iya yin hasashen raguwar porosity, amma ba zai iya yin cikakken lissafin hulɗar da ke tsakanin ma'aunin zafin jiki na harsashi da yumbu da kewayon daskarewar gami a cikin yanayin tanderu na zahiri ba. Na ga kyawawan hanyoyin ciyarwa da aka kwaikwayi sun kasa saboda sun haifar da wuri mai zafi a cikin harsashi, suna jinkirta ƙarfafawa a wurin da bai dace ba.
Misali mai amfani: babban gida mai katanga mai katanga. Simintin ya ba da shawarar babban kofa mai sauƙi tare da masu ciyarwa da yawa. Zubawar farko ta haifar da rufewar sanyi da lamination. Batun? Titanium saurin sanyaya da danko. Gating yana haifar da tashin hankali, ƙarfe mai sanyaya kafin ya cika kogon. Maganin, wanda aka haɓaka ta hanyar gwaji na zahiri da kuskure, haɗuwa ne na ƙarami, ƙofofi da aka rarraba da kuma ɗan ƙaramin zafi mai zafi, tare da ƙirar da aka riga aka yi zafi don rage sanyin farko. Ya kasance mai saurin fahimta ga daidaitaccen aikin aluminum ko karfe.
Wannan jujjuyawar, ƙwaƙƙwaran warware matsalolin shine zuciyar hadaddun zuba jari. Kuna farawa da simulation, amma dole ne ku kasance cikin shiri don maimaita jiki. Yardar mai kaya da ikon gudanar da waɗannan ƙananan gwaje-gwaje-yawanci akan farashin kansu don gina dangantaka-shine babban mahimmin bambance-bambance. Ba wai kawai game da samun harsashi mold simintin gyaran kafa kayan aiki; game da samun haƙuri da ƙwarewa ne don gyara tsarin don takamaiman ɓangaren ku.
Hannun da ba makawa: Yin jifa ga Machining
Babu simintin jirgin sama da gaske kamar yadda aka jefa. Akwai ko da yaushe machining, sau da yawa EDM, wani lokacin waldi ko brazing. Hannun hannu anan shine babban tushen nuna yatsa. Mashin ɗin yana zargin ɗan simintin don tabo mai wuya, saura damuwa, ko ɓoyayyun porosity. Mai yin simintin ya zargi mashin ɗin don maƙewa mara kyau ko yanke tsautsayi.
Ayyukan da na yi nasara mafi nasara sun ɗauki ɓangaren simintin gyare-gyare a matsayin riga-kafi. Mun gudanar da bita na haɗin gwiwa tsakanin katafaren gini da kantin injin kafin ma a yanke tsarin farko. Tambayoyi kamar: Shin za mu iya ƙara ƙaramin pad a nan don datum ɗin mashin ɗin? Shin wannan kaurin bango ya ishe ku don matsa lamba? Ya kamata mu danniya-saukar da kafin ko bayan m machining ga wannan gami? Waɗannan maganganun zinare ne. Suna daidaita tsammanin kuma suna jujjuya tsari na serial zuwa layi daya.
Wannan ita ce fa'idar ƙima ta cikakken mai bada sabis. Yaushe QSY ya ambaci haɗin gwaninta a cikin zuba jari kuma Injin CNC, yana nuna alamar sun riga sun shiga cikin waɗannan tattaunawar. Za su iya inganta simintin gyare-gyare don zama mai iya aiki, sanin ainihin abin da sashen injin ɗin nasu ke buƙata. Yana kawar da babban haɗarin haɗari da sadarwa sama da sama, wanda don shirin sararin samaniya, galibi ya fi daraja fiye da ɗan ceton farashin raka'a kaɗan daga sarkar samar da kayayyaki.
Neman Gaba: Ba kawai Complexity, amma daidaito
Makomar zuba jari jefa aerospace ba lallai ba ne game da ƙarin geometries masu ban mamaki; ƙari masana'antu yana shan matsananci hadaddun kambi. Ƙimar simintin saka hannun jari za ta ƙarfafa (ƙirar da aka yi niyya) a cikin babban girma, babban abin dogaro inda daidaito tsakanin dubban sassa ke da mahimmanci. Ka yi tunanin abubuwan da aka gyara tsarin man fetur, gidaje masu kunnawa, maƙallan-ɓangarorin da za su yi kama da sauƙi amma ba su da juriya ga lahani na ciki.
Kalubalen ya canza daga za mu iya yin shi? Shin za mu iya yin dubu goma daga cikinsu iri ɗaya, tare da raguwa a ƙasa da 0.1%? Wannan yana buƙatar wani nau'i na sophistication na daban: sarrafa tsarin ƙididdiga akan girman kakin zuma, na'urar tsoma harsashi mai sarrafa kansa don sutura iri ɗaya, da bincike na narkar da sinadarai na ainihi. Yana da ƙasa da ƙwarewar masu sana'a da ƙari game da masana'antu, maimaituwar bayanai.
Masu ba da kayayyaki waɗanda suka tsira daga wannan canjin za su kasance waɗanda suka saka hannun jari ba kawai a cikin sabbin tanderu ba, amma a cikin kashin bayan dijital don waƙa da sarrafa kowane siga. Yana da ban sha'awa, rashin jin daɗi na kulawa da inganci wanda zai ayyana ƙarni na gaba na tushen sararin samaniya. Wadanda suka samu za su kasance suna ambato ba kawai akan farashi da iyawa ba, amma akan ingantaccen tsarin ƙididdiga (Cpk) don takamaiman fasalin da kuke kulawa. Wannan shine ainihin kan iyaka a yanzu.
