Lokacin da injiniyoyi suka ƙayyade abubuwan da aka gyara na Stellite don bawul ɗin ruwa, famfo gidaje, ko nozzles masu girma, ba kawai siyan ƙarfe bane-suna siyan kwanciyar hankali a ƙarƙashin matsin lamba 300 MPa, juriya ga galling a 650 ° C, da daidaituwar microstructural a cikin batches 500. Shi ya sa ake samo asali daga gaskiya Kamfanin Stella al'amura - ba babban tushe na gaba ɗaya tare da layin cobalt-alloy ɗaya ba, amma kayan aikin da aka yi don AMS 5387, T800, da sauran cobalt-nickel superalloys daga raw billet zuwa gama sashi.
Mun ga ayyuka da yawa sun jinkirta ta hanyar zagayowar maganin zafi da ba su dace ba-inda mai sayarwa ya ba da sanarwar Stellite 6 kafin yin injin, sannan ya tsallake warware matsalar bayan niƙa ta ƙarshe. Sakamakon? Faduwar kashi 12% a cikin taurin Rockwell C da wanda ba a kai ba a lokacin da ba a kai ba a hannun rigar famfo mai maimaituwa. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane bangaren Stellite yana farawa da ƙwararrun AMS 5387 ko T800 ingots, an tabbatar da su ta hanyar bincike na yanayi kafin yin simintin gyare-gyare ko ƙirƙira. Babu ware. Babu "batch waivers." Muna bin kowace lambar narke, gudu tanderu, da ƙimar sanyaya-ba saboda takarda ce ba, amma saboda 0.3% bambance-bambancen abun ciki na carbon yana lalata rayuwa da kashi 40 cikin 100 a aikace-aikacen slurry.
Haɗin kai tsaye ba jargon tallace-tallace ba ne a nan - shine yadda muke sarrafa abin da wasu ba za su iya ba. Yawancin masu samar da Stellite suna fitar da injin injin ko maganin zafi. Muna yin duka a cikin gida, a kan bene mai tabbatar da ISO. Kwayoyin mu na CNC 5-axis sun yanke taurare Stellite 6 kai tsaye bayan HIP (matsawa mai zafi na isostatic), kawar da murdiya bayan-zafi wanda ke lalata kiran GD&T kamar haƙurin matsayi ± 0.015 mm akan bututun ƙarfe. A halin yanzu, layin simintin saka hannun jarinmu yana gudanar da gyare-gyaren yumbu harsashi wanda aka rigaya ya kai 1,100°C—mahimmanci don hana ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan bangon bangon cobalt gami da matosai da aka yi amfani da su a cikin tarin BOP na teku. Wani abokin ciniki ya sauya daga mai siyar da Turai bayan wurin zama na bawul ɗin su na Stelite 21 ya fashe a lokacin hawan keke; namu ya wuce 12,000 hawan keke a -40 ° C zuwa + 200 ° C ba tare da microfracture ba. Bambancin? Mun jefa, injina, kwantar da danniya, kuma mun gama duka a jere-babu guraben kayan aiki, babu gibin tarihin zafi.
Ayyukan zahirin duniya yana rataye akan abubuwa uku waɗanda ba za'a iya sasantawa ba: gano kayan abu, amincin jumhuriya, da ingantaccen aiki. Muna shiga kowane CMM scan-X, Y, Z, da bayanan vector na saman-don kowane matsugunin bawul ɗin matsa lamba. Idan abokin ciniki ya ƙayyade Ra 0.4 µm akan fuskar rufewa, muna auna shi tare da stylus profilometer * da * tabbatar da mannewa ta hanyar gwajin tef na ASTM B571 - ba kawai "duba kowane zane ba." Domin AMS 5387 famfo sassa, mu gudu ultrasonic gwajin (UT) zuwa ASTM E114 a kan 100% na kuri'a, kamawa subsurface porosity cewa X-ray rasa a hadaddun geometries kamar piston famfo Silinda gidaje. Kuma lokacin da matatar mai ta kudu maso gabashin Asiya ta nemi cobalt alloy nozzles da aka ƙididdige don sabis na H₂S, ba kawai mun haɗu da NACE MR0175 ba - mun ƙara tabbatarwa na sakandare da tabbatar da bugu na sulfur. Saboda "mai yarda" bai isa ba lokacin da haɓakar hydrogen ke haifar da haɗarin rufewa.
Zaɓin masana'antar Stelite yana nufin zabar wanda ke da haɗarin. Wasu dillalai suna faɗin lokutan jagora cikin sauri ta hanyar tsallake warware matsalar. Wasu suna amfani da hanyoyin kayan aiki na gabaɗaya waɗanda ke haifar da alamun zance akan saman Stellite 12 - lalata amincin hatimi. QINGDAO QIANGSENYUAN baya inganta don gudun kawai. Mun inganta don aiwatar da dama-lokaci na farko: GD&T bita kafin faɗo, ra'ayoyin masana'anta a cikin awanni 48, da ingantaccen samfuri tare da gwajin sake zagayowar kaya idan an buƙata. Abokan cinikinmu a sashin sabis na filayen mai na Arewacin Amurka sun dogara da mu don kayan aikin bututun cibiyar winch wanda ke tafiyar da sa'o'i 18,000 a cikin mahalli na ruwa mai cike da gishiri-ba sake yin aiki, babu gazawar filin. Wannan abin dogara ya zo ne daga yin abubuwan haɗin gwiwar cobalt-ba lokaci-lokaci ba, amma kullun. Daga goyan bayan ƙira zuwa gano yanayin girma, daga matosai na T800 zuwa nozzles na Stelite 6 na al'ada, muna gina abin da ke aiki inda gazawa ba zaɓi bane. Lokacin da abin da ake buƙata na Stella na gaba ya sauka akan tebur, tambaya: shin masana'antar ku ta san bambanci tsakanin tauri da tauri? Ko kuma suna niƙa abin da kuka aiko?
