Lokacin da injiniyoyi suka ƙididdige simintin gyare-gyare na ASTM A747, ba kawai zaɓin abu bane-suna ƙaddamar da matakin aiki. Wannan ma'auni yana sarrafa abubuwan haɗin gwiwar cobalt-chromium-nickel da aka tsara don matsananciyar lalacewa, lalata, da juriya na thermal-musamman a cikin jujjuya kayan aikin famfo, jikin bawul mai ƙarfi, da gidaje na tsarin hydraulic inda gazawar ba zaɓi bane. Amma samar da simintin gyare-gyare na ASTM A747 ba batun nemo wani tushe ba. Yana da game da haɗin gwiwa tare da mai siyarwa wanda ke kula da daidaiton ƙarfe a matsayin wanda ba za a iya sasantawa ba, wanda ke tabbatar da kowane zafi a kan iyakokin sinadarai na AMS 5387, kuma wanda ke sarrafa cikakken sarkar: daga T800-grade raw billet traceability zuwa karshe GD&T dubawa a kan wani calibrated CMM.
Me yasa masu binciken "ASTM A747 masana'anta" sukan buga matattu
Mun sake nazarin sama da 200 RFQs daga famfo OEMs na Arewacin Amurka da masu ba da sabis na filayen mai na Turai a cikin watanni 18 da suka gabata. Yawancin suna farawa da tambaya guda ɗaya na gaggawa: "Za ku iya jefa ASTM A747-kuma ku tabbatar?" Yawancin masu samar da kayayyaki sun amsa "eh" sannan su tsaya a takaddun shaida. Suna ba da kwangilar narkewa, tsallake gwajin lalata na intergranular ta ASTM A262 Practice E, ko kuma ba za su iya ba da takamaiman takamaiman rahotanni ba. Mun ga an ƙi yin batches-ba don kuskuren girma ba-amma saboda abun ciki na chromium ya faɗi 0.3% ƙasa da kewayon 28-32% da ASTM A747 ke buƙata. Wannan ratar baya nunawa akan zane. Yana nunawa a matsayin wanda bai kai ba a cikin sabis ɗin iskar gas mai tsami.
Haƙiƙanin ƙulli ba shine ikon jefawa ba. Yana da haɗin kai tsaye. Amincewa da ASTM A747 na gaskiya yana buƙatar sarrafawa akan matakai huɗu masu alaƙa: ƙwararrun albarkatun ƙasa, vacuum-arc remelted (VAR) ko zub da ruwa mai narkewa, warwarewar bayani tare da madaidaicin lokacin jiƙa / zazzabi, da tabbatar da ƙarancin magani bayan zafi. Ba tare da wannan iko ba, "ma'aikatar ASTM A747" ta zama yaren talla - ba gaskiyar samarwa ba.
Inda madaidaicin simintin gyaran kafa ya hadu da ingantaccen aiki
A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., ASTM A747 ba jerin abubuwan dubawa ba ne. Shi ne tushen aikin bangaren famfo mu. Layin mu na simintin yashi suna zubar da zafi a ƙarƙashin rufewar argon. Kowane tsari yana jurewa bincike na yanayi kafin zubawa-da kuma bayan maganin zafi. Muna riƙe cikakken abin ganowa: lambar narke, ladle zafin jiki, bayanin ƙimar sanyaya, da taurin Rockwell C a cikin yankuna uku na kowane simintin gyare-gyare. Don sassan da suka dace da AMS 5387-kamar cobalt alloy nozzles don famfo mai jujjuyawar-muna ƙara tabbatar da girman ƙwayar hatsi na ASTM E112 da gwajin lalata na ASTM A262 Practice E akan samfuran shaida.
Wannan horon ya fi dacewa akan sassa masu ji na geometry. Ɗauki ɗakunan famfo na silinda na piston: bambancin kauri na bango sama da ± 0.15 mm yana haifar da haɓakar yanayin zafi mara daidaituwa, yana haifar da kamawa ƙarƙashin kaya. Tsarin mu yana haɗa daidaiton tsarin saka hannun jari tare da manyan akwatunan da aka yi amfani da su na CNC-sannan yana tabbatar da ƙaƙƙarfan ɓarna tare da gaging iska da ƙarewar saman tare da bayanan martaba. Sakamakon? Silinda gidaje rike <0.005 mm zagaye na tsayin mm 300, ko da a cikin simintin ASTM A747 na tushen T800.
Abubuwan da ba za a iya sasantawa ba guda huɗu don wadatar ASTM A747 mai mahimmanci
- Raw material provenance: Mun samo kawai VAR-mai ladabi cobalt-nickel billets tare da rahoton gwajin niƙa da ke rufe C, Cr, Ni, Mo, Fe, Si, Mn, da N - an tabbatar da haƙurin ASTM A747 Table 1 kafin karɓa.
- Takardun maganin zafiAna shigar da kowane zagayowar tanderu-lokacin jiƙa, ƙimar raɓa, raɓar yanayi, da kashe matsakaicin zafin jiki-tare da sa hannun dijital da ake iya ganowa ga mai aiki da motsi.
- Tsarin yanayin aiki: Ma'auni mai mahimmanci da aka auna tsakiyar tsari ta amfani da Zeiss CONTURA G2 CMMs; An tabbatar da ingancin saman ta hanyar hoton SEM akan yanke samfurin
- Daidaita gwajin aiki: Majalisu na ƙarshe suna fuskantar gwajin matsa lamba akan kowane API 598, tare da adadin ɗigogi da aka yi rikodin-ba kawai wucewa/ gazawa ba—a kan iyakokin ƙayyadaddun abokin ciniki.
Wannan ba ka'idar ba ce. A kwata na ƙarshe, mun isar da 42 ASTM A747 na'ura mai ɗaukar hoto don tsarin winch na teku. Kowace naúrar tana ɗauke da cikakken yanayin yanayin zafi, ƙarfin ƙarfi> 1000 MPa, da ƙarfin tasiri> 35 J a -20 ° C - duk an tabbatar da su ta ASTM E23. Abokin ciniki ya ba da rahoton gazawar filin sifili a cikin watanni 18 na aiki a muhallin ruwa mai cike da gishiri.
Samun kai tsaye, ba yadudduka masu rarrabawa
Ayyukan ASTM A747 suna buƙatar tattaunawa ta injiniya - ba tsari ba. Lokacin da wani mai tsara bawul ɗin ruwa na Jamus ya umarce mu da mu tabbatar da yanayin juzu'i mai gudana-hanyar bita, ƙungiyarmu ta gudanar da wasan kwaikwayo na zafin zafi *kafin* kayan aiki, ta nuna alamar wuri mai zafi a mahadar tashar jiragen ruwa na karfe 3, kuma ta ba da shawarar gyara yanayin sanyi. Wannan haɗin gwiwar ya yanke lokacin jagoran samfurin su da kwanaki 22. Muna sarrafa fassarar GD&T, ingantaccen zane, da amsawar ƙirƙira-ba azaman ƙari ba, amma azaman matakan daidaitattun matakai.
Kayan aikinmu na ISO 9001 da aka tabbatar a Qingdao yana gudanar da aikin B2B kai tsaye kawai. Babu masu rarrabawa. Babu 'yan tsakiya. Kuna magana da injiniyan da ke tsara lathe CNC yana yanke filogi na ASTM A747-ba wakilin tallace-tallace da aka ambata daga kundin PDF ba. Ana ƙayyadaddun lokutan jagora yayin zance: makonni 12 don amincewa da labarin farko, makonni 8 don maimaita umarni-kulle a rubuce, tare da hukuncin jinkiri.
ASTM A747 haɗin gwiwar masana'anta sun yi nasara lokacin da ƙarfe, injiniyoyi, da lissafin lissafi suka haɗu. Idan odar simintin simintin ku na gaba yana buƙatar rubutattun amincin cobalt-alloy—ba kawai takaitacciyar takarda ba—fara da gano kayan abu, tabbatar da bayanan maganin zafi, kuma tabbatar da wanda ya sanya hannu kan rahoton CMM na ƙarshe. Bambanci tsakanin ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai da amincin filin suna rayuwa a cikin waɗannan bayanan. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana gina wannan bambanci a cikin kowane zube.
