Ayyukan masana'anta na Stelite 12 suna buƙatar fiye da simintin gyare-gyare ko injina-suna buƙatar horo na ƙarfe, tabbataccen girma, da ingantaccen aikin filin. Lokacin da bututun famfo na hydraulic ya kasa a mashaya 300, lokacin da gidajen piston ke sawa bayan sa'o'in aiki 8,000, ko kuma lokacin da kujerun bawul suka lalace a ƙarƙashin kwararar slurry, tushen tushen da wuya ƙira - daidaiton kayan abu ne, kula da yankin da zafi ya shafa, da amincin microstructural. Wannan shine inda masana'anta na gaskiya na Stellate 12 ke raba kanta daga tushen tushen gaba ɗaya.
Me yasa Stellite 12 Ba Wani "Hard Alloy" bane
Stelite 12 (AMS 5387) ba a zaɓa don taurin kai kaɗai ba. Darajarta ta ta'allaka ne a cikin haɗin gwiwar matrix na cobalt-chromium-carbon matrix, abubuwan da aka saka tungsten carbide barbashi, da tsarin eutectic mai sarrafawa - yana ba da juriya ga galling, yashwar cavitation, da iskar oxygen mai zafi har zuwa 500 ° C. Amma wannan aikin yana fitowa ne kawai idan an sarrafa ƙimar ƙarfin ƙarfi, rarrabuwar kawuna, da tarihin zafi bayan jefar. Mun ga an ƙi ɓangarorin ba don karkacewar sinadarai ba-amma saboda ƙimar sanyi na gida ya haifar da ɓangarori na chromium kusa da bangon ƙira. Wannan shine dalilin da ya sa masana'antar mu ta Stellate 12 ke gudanar da layukan tanderu tare da gyare-gyaren yumbu da aka riga aka yi zafi, ƙirar thermocouple na ainihi a cikin sassa masu mahimmanci, da taswirar microhardness na tilas a cikin sassan giciye-ba kawai karatun saman ba.
Daga Zuba zuwa Madaidaici: Amfanin Haɗin Kai tsaye
Yawancin masu samar da kayayyaki suna fitar da simintin gyare-gyare ko injina. Masana'antar Stelite 12 da aka gina don mahimman abubuwan haɗin gwiwar manufa ba ta yi ba. A wurin aikinmu na Qingdao, cobalt alloy ingots sun shiga kofa ɗaya - kuma sun gama matosai na AMS 5387, kujerun bawul ɗin matsa lamba, ko na'urorin bututun ƙarfe na tsakiya suna fita wani. Wannan yana kawar da gibin mu'amala: babu rashin fahimta akan tagogin maganin zafi, babu ɗimbin ɗimbin yawa tsakanin masana'anta da kantin injin, babu faɗuwar ganowa tsakanin narke tsari da rahoton CMM na ƙarshe. Musamman, muna riƙe da cikakken iko akan matakai guda uku waɗanda ba za a sasanta ba:
- Simintin Gyaran Ƙarfafa Mai Sarrafa: Zuba jari molds pre-gasa zuwa 1,100 ° C; zub da zafin jiki da ke cikin ± 5 ° C; ƙarfafawar kwatance ta hanyar faranti masu sanyi a ƙarƙashin manyan wuraren sawa
- Injin Rage Matsi: Duk m cuts yi kafin bayani annealing; Ƙarshen wucewar da aka aiwatar kawai bayan sauƙaƙe damuwa a yanayin 950 ° C/4hr/argon
- Mutuncin Surface Mai Aiki: Babu "as-machined" da aka gama akan saman rufewa - muna amfani da madaidaicin lapping zuwa Ra ≤0.2 μm kuma muna tabbatar da tsarin tuntuɓar tare da rini mai shuɗi mai calibrated a ƙarƙashin simulation.
Wannan ba ka'idar ba ce. Ɗaya daga cikin kayan aikin filayen mai na Arewacin Amurka OEM ya rage maye gurbin bawul ɗin da ba a shirya ba da kashi 63% bayan an canza shi daga sarkar mai yawan kayayyaki zuwa fitowar masana'antar Stellite 12 mai tushe guda ɗaya.
Abin da Abokan ciniki ke Tambayi Ainihin-Kuma Abin da Ba Su Faɗa da Ƙarfafawa ba
"Za ku iya daidaita sashin da muke ciki?" Ee-idan hotonku ya ƙunshi kiran GD&T, ba kawai girma ba. Amma abin da suke nufi shi ne: *Shin wannan zai dace ba tare da sake gina gidaje ba? Shin zai rufe a matsin farawa? Shin zai rayu tsawon watanni 12 a hidimar iskar gas mai tsami?* Ana amsa waɗannan tambayoyin tun kafin yankewar farko. Injiniyoyin mu na yau da kullun suna haɗarin haɓaka masana'anta da wuri: haƙurin 0.05 mm akan diamita 120 mm Stelite 12 wurin zama ba abu ne mai yuwuwa ba - ba shi da ƙarfi sai dai idan mun ƙididdige ƙaramin kauri na bango, iyakance matsakaicin canjin canjin sashe, da kuma ba da umarnin binciken ultrasonic bayan-machining. Ba mu sayar da sassa. Muna isar da shirye-shiryen aiki.
Wasu na iya yin gardama cewa abubuwan haɗin gwiwar cobalt a waje suna ba da lokutan jagora cikin sauri. Koyaya, kunkuntar taga mai sarrafa Stellite 12 yana nufin "sauri" sau da yawa yana daidai da "sake yin aiki." Mun bin diddigin 41% mafi girma-farko-farko yawan amfanin ƙasa akan hadaddun geometries lokacin da abokan ciniki suka sa mu yayin daskare ƙira-ba matakin siyan oda ba.
Ganowa Zaku Iya Tabbatarwa-Ba Da'awar Kawai ba
Kowane sashi na Stellite 12 yana ɗauke da alamar QR mai haɗawa da tagwayen dijital ɗinsa: narke log (lambar zafi, bincike mai ban mamaki), rahoton simintin (ID ɗin ƙira, ɗaukar hoto mai sanyaya), rikodin machining (Sigar shirin CNC, ƙididdigar rayuwar kayan aiki), da bayanan dubawa na ƙarshe (gizagizai na CMM, maƙasudin ratsawa). Babu taƙaice. Babu matsakaita. Lambobin raw-saboda juriyar lalata ya dogara da abun ciki na chromium a saman, ba a cikin babban samfurin ba. Muna riƙe cikakken ganowa na shekaru 15, kowane API Q1 da ISO 9001: buƙatun 2015. Idan abokin ciniki ya ba da rahoton lalacewa da bai kai ba, muna ja daidai adadin, mu kwaikwayi yanayin gazawar a cikin na'urar gwajin mu, kuma mu ba da bayanan tushen tushen-ba uzuri ba.
Ana sa ran gaba, masana'antar mu ta Stellate 12 tana haɓaka ƙarfin simintin gyare-gyare na AMS 5387/T800 don haɗaɗɗun hanyoyin ruwa - kawar da haɗin gwiwar walda a cikin manyan matsi. Ba don labari ba ne, amma saboda bayanan filin yana nuna kashi 78% na leaks sun samo asali ne daga musaya-karfe. Wannan shine bambanci tsakanin yin sassan Stelite 12-da magance matsalolin Stelite 12.
