Lokacin da injiniyoyi suka bayyana a karfe zuba jari simintin gyaran kafa factory don mahimmin bawul ɗin hydraulic mai mahimmanci ko ɗakunan famfo masu sutura masu ƙarfi, ba kawai siyan sassa bane - suna tabbatar da kwanciyar hankali a ƙarƙashin matsi na mashaya 300, amincin microstructure bayan hawan keke, da rashin haƙuri ga porosity a cikin cobalt-nickel alloy nozzles. Wannan shine inda ƙwarewar duniyar duniyar ke raba masu siyarwa da abokan tarayya.
Me yasa Fitar da Zuba Jari Ya Bukaci Fiye da Molds da Kakin Kaki
Mun ga ayyuka da yawa sun tsaya tsayin daka a matakin samfur-ba saboda ƙira mara kyau ba, amma saboda zaɓaɓɓu karfe zuba jari simintin gyaran kafa factory rashin ikon ƙarfe na ƙarfe akan AMS 5387 cobalt gami ko kasa riƙe ± 0.015 mm GD&T akan gidajen silinda na bakin ciki. Zuba jari ba "wani tsari bane kawai." Ita ce kawai hanyar da za a iya amfani da ita don hadaddun geometries kamar piston famfo manifolds tare da tashoshi masu sanyaya na ciki-kuma yana yin kasawa cikin shiru lokacin da abubuwan gano albarkatun ƙasa ke zubewa, lokacin da gasa harsashi ke motsawa, ko lokacin daɗaɗɗen zafin jiki ya wuce 8°C.
Madaidaicin gaskiya yana farawa kafin ƙirar kakin zuma na farko: ingots na T800 da aka ba da izini, takaddun bayanan mai siyarwa, bincike na gani akan kowane zafi mai yawa. Sannan daidaiton harsashi yumbu ya zo - sarrafawar zafi, daidaita lokutan tsomawa, cikakken tabbacin konewa. Muna inganta kowane tsari tare da gwajin juzu'i, aikin ƙarfe, da radiyon X-ray-ba don ɓatacce kawai ba, amma ga gungu na ƙananan ƙwayoyin cuta kusa da abubuwan da ke tattare da damuwa. Wannan shine yadda kuke guje wa gazawar filin a cikin kayan aikin saukar da mai da ke aiki a 150 ° C da 10,000 psi.
Haɗin Kai Tsaye Ba Kalma Bace Ba - Kasafin Kuɗi Ne na Haƙuri
Wasu masu samar da kayayyaki suna fitar da kayan aikin injiniya. Wasu kuma suna noma maganin zafi. Wannan rarrabuwar kawuna yana kashe maimaita juzu'i. Gidajen simintin yana raguwa ba tare da annabta ba idan taimako na damuwa ya faru a 620°C maimakon 640°C—ko kuma idan daidaitawar CNC ba ta ƙididdige ragowar murdiya ba. A wurin mu a Qingdao, ƙungiyar injiniya ɗaya ta mallaki cikakken sarkar: simintin saka hannun jari → warware matsalar → milling multi-axis → HVOF shafi → CMM-certified karshe dubawa.
Wannan ba ka'idar ba ce. Lokacin da famfo OEM na Turai yana buƙatar faranti na tushe na bakin karfe 42 tare da shimfidar 0.02 mm a saman saman 1.2m², mun yi taswirar warpage daga simintin gyare-gyare zuwa machining ta amfani da 3D scan overlays. Mun daidaita jeri na matsawa, ƙara matsakaita-taimakon danniya, da kuma tabbatar da ƙimar faɗaɗawar zafi a kowace yawan zafi. Sakamako? 100% karɓar izinin farko-ba sake yin aiki ba, babu guntu. Wannan matakin iko yana wanzuwa ne kawai inda injiniyoyin simintin yin magana kullum tare da masu shirye-shiryen CNC da masu ilimin awo-ba ta hanyar saƙon imel ba.
Kalubalen Alloy na Duniya na Ƙalubalen Buƙatar Amsoshi na Gaskiya
Cobalt-nickel alloys ba su da hali kamar 316 bakin karfe. Suna aiki da ƙarfi da ƙarfi, suna gudanar da zafi mara kyau, kuma suna lalata kayan aikin carbide 3 × cikin sauri. Idan naku karfe zuba jari simintin gyaran kafa factory ba su yi amfani da matosai na AMS 5387 ba har tsawon watanni shida kai tsaye, bayanan rayuwar kayan aikin su ya ƙare. Muna bin kowane nau'in suturar sawa, ƙimar ruwa mai sanyaya, da sa hannu na girgiza - ba don rahotanni ba, amma don hasashen gazawar kayan aiki a cikin mintuna 3.
Shagon mu yana gudanar da sel da aka keɓe don superalloys: ƙwanƙwasa-sanyi-cryogenic, gyare-gyaren gyare-gyaren hydraulic, da kuma aikin bincike wanda ke ba da ramawa ta atomatik don haɓakar zafi yayin hawan keke mai tsayi. Domin tushen T800 wanda ba daidaitaccen madaidaicin madaidaicin madaidaicin abin da aka yi amfani da shi a cikin tsarin winch na teku ba, muna haɗu da simintin saka hannun jari tare da juye juye-juye akan mujallolin ƙasa mai tauri-cimmarar Ra 0.4 µm saman saman yayin da yake kiyaye taurin HRC 42-46. Babu plating. Babu niƙa konewa. Ci gaba na ƙarfe kawai daga fata zuwa ainihin.
Amincewar Isarwa Yana farawa da Abin da kuke gani-da Abin da Ba ku
Abokan ciniki suna tambaya: "Za ku iya buga isar da Q3?" Amsar gaskiya ta dogara da abubuwa uku da ba safai suke bincikawa: lokacin jagorar albarkatun ƙasa (cobalt alloys sau da yawa yana buƙatar makonni 12+), NDT backlog (littafin ramummuka ramummuka 3 makonni fita), da zurfin ingancin GD&T (yana mai siyar da ku yana tabbatar da haƙurin matsayi tare da masu kwatancen gani-ko kawai kira shi 'OK' bayan CMM?).
Muna buga dashboards iya aiki na ainihi a ciki-ba azaman tallan talla ba, amma azaman horo na aiki. Kowane oda yana samun bita na ƙofa mai aiki: aikin injiniyan simintin gyare-gyare yana tabbatar da ƙimar ƙimar harsashi; tsare-tsaren machining sun haɗa da madadin hanyoyin kayan aiki idan takamaiman abin saka ya ƙare; QA yana riƙe da saki na ƙarshe har sai gwajin aiki ya dace da ƙayyadaddun matsi na ɓarna matsi. Shi ya sa kashi 92% na matsakaicin adadin mu na yin odar jigilar kaya a cikin ±2 kwanakin sadaukarwa-har ma a lokacin mafi girma.
Idan kana bukatar a karfe zuba jari simintin gyaran kafa factory wanda ke ɗaukar gidajen famfo ɗinku kamar samfurinsa-ba ɓangaren kayayyaki ba—fara da gano kayan abu, buƙatar ƙa'idodin binciken GD&T na farko, da tabbatar da haɗin kai tsaye bayan ƙasidar. Ba a kera madaidaici ba. An ƙirƙira shi, aunawa, kuma yana da garanti-wuri ɗaya na zafi, ɗaki ɗaya, micrometer ɗaya a lokaci guda.
