Lokacin da injiniyoyi suka bayyana guduro yashi simintin factory sabis don manyan abubuwan haɗin ƙarfe na ƙarfe, ba kawai yin odar sassa ba ne — suna tabbatar da kwanciyar hankali a ƙarƙashin hawan keken zafi, daidaiton microstructural a cikin simintin 100-kg, da rashin haƙuri ga porosity a cikin yankuna masu ɗaukar matsa lamba. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun jefa sama da 27,000 cobalt-nickel gami gidaje tun 2019-kowannensu aka duba tare da Zeiss CMMs calibrated zuwa ISO 10360-2-kuma koyi cewa guduro yashi ba a faduwa tsari. Ita ce hanya daya tilo da za a iya amfani da ita don hadaddun geometries kamar gidaje na famfo na piston inda saka hannun jari ya mamaye rufin farashi da koren yashi ya kasa kammala saman.
Me yasa Resin Sand Casting Yayi Nasara don Mahimmanci na Na'ura mai Mahimmanci & Abubuwan Ruwa
Ƙungiyoyin sayayya da yawa suna ɗaukan yashin guduro “ƙananan daidai” fiye da simintin saka hannun jari. A aikace, muna ganin akasin haka: lokacin jefa AMS 5387 cobalt alloy nozzles don famfunan mai na bakin teku, yashi silica mai haɗaɗɗiyar guduro yana ba da juriya na madaidaiciya 0.3 mm akan diamita-mm 420-m fiye da daidaitaccen kauri na kauri na saka hannun jari yana ba da izini. Makullin? Sarrafa halayen exothermic yayin warkewa. Wurin mu yana amfani da akwatin sanyi-amine-cued phenolic urethane daure, ba na gargajiya na fure resins. Wannan yana kawar da ɗaukar sulfur a cikin alluran cobalt, yana kiyaye juriyar lalata a cikin mahallin H₂S. Mun auna 12% ƙananan hare-haren intergranular a cikin tushen T800 bayan gwajin sa'o'i 72 NACE TM0177 - an ɗaure kai tsaye zuwa ilimin sunadarai, ba maganin zafi ba bayan-zuba.
Wannan yana da mahimmanci saboda jikin bawul ɗin hydraulic ba sa kasawa daga kuskuren girman girman. Suna kasawa daga ƙananan raguwa a mahaɗa tsakanin sassa masu kauri da bakin ciki-kamar inda tashar taimako ta matsa lamba ta haɗu da flange mai hawa. Injiniyoyin ginin mu suna taswirar matakan zafi ta amfani da simintin MAGMASOFT® *kafin* amincewar tsari. Muna daidaita ma'aunin guduro-zuwa-yashi ta yanki: 1.8% mai ɗaure a cikin abubuwan da ake sakawa, 1.2% a cikin bangon mold na waje. Sakamako? 94% na farko-farko yawan amfanin ƙasa a kan piston famfo Silinda gidaje a kan matsakaicin masana'antu na 71%.
Haɗin Kai Tsaye Yana Warware Matsala "Cikakken Injin-Machining".
Yawancin gazawar ba ta faruwa a cikin simintin gyare-gyare ko injina-amma a inda suka hadu. Abokin ciniki sau ɗaya ya aiko mana da zane don abin nadi na cibiyar winch tare da ± 0.025 mm roundness spec akan 120-mm OD. Mai kawo kayayyaki na baya ya jefa shi, sannan a tura shi zuwa wani shagon CNC na ɓangare na uku. Abin nadi ya karkata 0.08 mm yayin rage damuwa saboda ba'a tsara ragowar danyen aikin simintin ba kafin yin aiki. Muna yin ta daban: masanan mu na ƙarfe suna gudanar da gwaje-gwajen tensile akan kowane zubewa, sannan ciyar da bayanan daidaitawar hatsi a cikin injin ɗinmu na Mazak INTEGREX i-200S. Muna yin injin a cikin sa'o'i 48 na girgizawa-babu jinkirin tsufa-ta yin amfani da hanyoyin kayan aiki waɗanda ke biye da abubuwan da ke haifar da damuwa. Zagaye na ƙarshe: 0.018 mm. Kullum.
Wannan haɗin kai yana ƙara zuwa gano kayan abu. Kowane tsari na T800 gami yana ɗaukar tikitin zafi mai lamba QR wanda ke haɗa takaddun shaida (ASTM A995 Grade 6A), rahotannin bincike narke, da bayanan bincike na ƙarshe na ultrasonic. Babu rajistan ayyukan takarda. Babu shigarwar hannu. Idan harsashin famfo ya gaza a cikin masana'antar kawar da ruwa ta kudu maso gabashin Asiya, zamu ware ainihin kilogiram 3.2 na narkakkar karfen da aka yi amfani da shi - kuma mu cire tarihin zafinsa daga tarihin Siemens SIMATIC PCS 7 DCS.
Iyakokin Duniya na Gaskiya-da Yadda Muke Aiki A Cikinsu
Simintin yashin guduro yana da iyakoki masu wuya. Ba za mu faɗi sassan da ke da kauri na bango a ƙarƙashin 8 mm a cikin kayan haɗin cobalt ba - haɗarin cikar ƙira ya wuce 40%. Haka kuma ba za mu karɓi kiran GD&T da ke buƙatar matsayi na gaskiya ya fi ± 0.1 mm akan fasalulluka sama da 150 mm daga datums ba tare da ƙara saman datum ɗin injina zuwa ƙirar ba. Wasu na iya jayayya cewa samar da CNC-kawai yana guje wa waɗannan ƙuntatawa. Amma yin gyare-gyaren simintin ƙarfe mai nauyin kilogiram 65 daga ƙaƙƙarfan mashaya farashin 3.7 × ƙari kuma yana ɓarna 68% na kayan a matsayin kwakwalwan kwamfuta. Tsarin mu na matasan-daidaitaccen simintin gyare-gyare + ƙaddamarwar CNC da aka yi niyya - yana yanke lokacin jagora da kashi 40% don majalissar famfo abin hawa yayin da yake riƙe 0.05 mm flatness akan sansanonin 500-mm.
Muna rubuta kowane sabani. Kwata na ƙarshe, abokin ciniki na Bature ya nemi rashin ƙarfi na 0.01 mm akan fuskar filogi na cobalt. Simintin gwajin mu ya nuna Ra 0.8 µm. Maimakon yin alƙawarin sakamako da ba za a iya samu ba, mun ba da shawarar yin gyaran gyare-gyare na electrochemical bayan-machining - ƙara $ 14.30 / sashi amma isar da Ra 0.05 μm. Fassara yana bugun fata kowane lokaci.
Zaɓan Kamfanin Simintin Yashin Ku Ba Game da Farashi ba—Game da Mallakar Tsari
Dama guduro yashi simintin factory ya mallaki cikakken sarkar: kimiyyar abu, ilmin kimiyyar halitta, ingantaccen ƙarfe, da gwajin aiki. A FASAHA QINGDAO QIANGSENYUAN, mun ƙi zane-zane ba tare da bayanan GD&T ba—za mu taimake ka ka fassara su. Muna mayar da martani na DFM a cikin sa'o'i 72, yana nuna haɗari kamar makafi masu tashi a cikin manyan wuraren sawa ko rashin isassun daftarin aiki akan tashoshin sanyaya na ciki. Tsarin mu na ISO 9001: 2015 ba takarda ba ne - yana bin diddigin Cpk akan ma'auni mai mahimmanci, tare da faɗakarwa ta atomatik lokacin da ikon aiwatarwa ya faɗi ƙasa da 1.33.
Abokan ciniki na duniya sun zaɓe mu saboda muna jigilar sassa masu aiki-ba kawai simintin gyare-gyare ba. Kowane bawul ɗin matsa lamba yana jurewa 100% gwajin hydrostatic a 1.5 × ƙimar aiki matsa lamba. Kowane cobalt alloy bututun ƙarfe yana wucewa gwajin fenti ta kowane ASTM E165. Ba ma ɓoyewa a bayan "biyayya." Muna nuna muku rahoton gwaji don lambar serial ɗin ku.
Idan aikin ku na gaba yana buƙatar daidaitattun sassa na ƙarfe waɗanda ke tsira da hawan keke 20,000, tsayayya da slurry, ko kula da jeri bayan shekaru 10 a ƙarƙashin ƙasa-fara da masana'antar simintin yashin guduro wanda ke ɗaukar ƙarfe azaman injiniya, ba fasaha ba.
