Lokacin da gidan famfo na ruwa ya fashe a ƙarƙashin matsin lamba 350-ko bututun ƙarfe na cobalt ya kasa bayan sa'o'i 420 na sabis na iskar gas-matsalar ba kawai gazawar bangare ba ce. Rushewa ne a cikin sarkar tsakanin niyyar ƙira da gaskiyar ƙarfe. Wannan gibin shine inda daidaito kafa karfe simintin gyaran kafa yana samun nauyinsa - ba a matsayin tsarin kayayyaki ba, amma a matsayin sarrafawa, ƙaddamar da ilimin injiniya na hukunci.
A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun ga wannan wasa a cikin ayyukan 178 na OEMs na filayen mai na Arewacin Amurka, na'urorin haɗin gwiwar na'ura mai aiki da ruwa na Jamus, da masu ginin famfo na tekun kudu maso gabashin Asiya. Abokin ciniki ɗaya ya aiko mana da GD&T-zane-zane masu nauyi don gidan AMS 5387 piston famfo Silinda-mafi tsananin juriya: ± 0.015 mm akan ID mara kyau, gamawar saman Ra ≤ 0.8 µm, porosity na ciki a cikin yankuna masu tsananin damuwa. Wanda ya riga ya kawo su ya kawo sassa 12. 3 ne kawai suka wuce gwajin ultrasonic. Mun fara aiwatar da siminti mai cikakken tsari: ƙirar ƙira mai ƙarfi, taswirar gradient mai zafi, haɓaka gating. Sa'an nan jefa, zafi-magani, CNC- ƙare, da CMM-tabbatar da kowane naúrar. Duk 24 sun wuce. Bambancin ba sa'a ba ne. An haɗa horon simintin gyare-gyare tare da sarrafa injina.
Madaidaicin gaskiya a ciki kafa karfe simintin gyaran kafa yana farawa kafin ƙurawar ta taɓa yashi ko yumbu. Yana farawa da lissafin abin duniya. Muna samo allunan cobalt-nickel kawai daga injin niƙa waɗanda ke ba da cikakkun rahotannin da aka tabbatar da zafi-AMS 5387, UNS R30006, T800-grade—wanda ake iya ganowa zuwa lambar narkewa, sake nazarin sinadarai, da tabbatar da girman hatsi. Babu "matsakaicin tsari." Babu takaddun shaida da aka ƙaddamar da mai siyarwa ba tare da rajistan giciye na ɓangare na uku ba. Lokacin da masana'antar bawul ta Turai ke buƙatar matosai na cobalt alloy na diamita 19mm don sabis na H₂S, sun aiko mana da ƙayyadaddun matakin su na ASTM A995 Level II - kuma mun daidaita shi zuwa 0.03% karkacewar carbon. Wannan matakin amincin baya faruwa a cikin shagunan da ke ɗaukar zaɓin gami azaman akwati.
Haɗin kai tsaye ba jargon tallace-tallace ba ne a nan - shine yadda kwanciyar hankali ke samun kullewa a ciki. Yin simintin yashi kaɗai ba zai iya ɗaukar ± 0.02 mm akan tushe mai tsayin 320-mm. Haka CNC machining kadai zai iya daidai ga ƙananan raguwa a cikin manyan simintin ƙarfe na ƙarfe. Amma lokacin da simintin gyare-gyare, magani mai zafi, da milling 5-axis suka faru a ƙarƙashin rufin ɗaya-tare da haɗin kai, windows tsari da aka daidaita, da haɗin GD&T sake dubawa-kurakuran tattarawa sun rushe. Muna riƙe da shimfiɗar 0.008 mm akai-akai akan simintin bakin karfe mai auna 420 × 280 × 95 mm-bayan rage damuwa, roughing, Semi-karewa, da juyi mai wuya na ƙarshe. Wannan yana buƙatar diyya ta thermal na ainihin lokacin akan CNC, ba kawai gyara bayan tsari ba.
- Babu yin simintin "black box": Kowane simintin ƙarfe ko ƙarfe yana gudana ta hanyar simintin ƙarfi; kowane ɓangaren cobalt alloy yana samun ingantaccen ingantaccen tsarin simintin simintin gyare-gyare ta hanyar sigar gani ta gani + SEM spot checks
- Babu injin makaho: Bayanan CMM daga ɓangarorin simintin gyare-gyare suna ciyarwa kai tsaye zuwa ingantaccen hanyar kayan aikin CNC-rage cire haja zuwa 37% akan hadaddun gidaje.
- Babu QA takarda kawai: Ganowa ba shigarwar bayanai ba ne. Alamar jiki ce ta Laser da aka zana a kowane bangare, tana haɗawa da takaddun shaida, rahotannin NDT, rajistan ayyukan kula da zafi, da hotunan dubawa na ƙarshe.
Wasu suna ɗaukan simintin saka hannun jari ta atomatik yayi daidai da madaidaici fiye da simintin yashi. Ba gaskiya bane. Harsashin saka hannun jari mara kyau yana karkata lokacin cirewa. Yashi mai gaugawa yana yin sanyi ba daidai ba, yana haifar da saura damuwa wanda ke jujjuyawa yayin injina. Abin da ke da mahimmanci shine basirar tsari - ba nau'in mold ba. Muna amfani da simintin gyare-gyaren yashi don manyan sassa masu ƙarancin girma kamar injiniyoyin abin hawa winch center shaft rollers (har zuwa kilogiram 1,200), saboda ƙimar sanyaya mai sarrafawa da ƙwanƙwasa ƙwanƙwasa injiniyoyi suna isar da ingantacciyar macro-taurin daidaito fiye da saka hannun jari don sassa mai kauri. Don ƙananan bututun cobalt mai sirara? Zuba jari ya ci nasara-amma kawai tare da vacuum-taimaka zubawa da sarrafa ƙarfafawar kwatance. Ba a gasa daidaito cikin hanyar ba. An ƙirƙira shi cikin kowane yanke shawara.
Duba gaba: Iyaka ta gaba ba manyan tanderu bane ko mafi sauri CNC spindles. Yana da sarrafa tsarin matasan-inda abubuwan simintin simintin gyare-gyare suna ciyar da samfuran zafi masu rai a cikin cibiyoyin injina, inda na'urori masu auna firikwensin cikin-wurin daidaita hanyoyin kayan aiki a tsakiyar yanke, inda tagwayen dijital ke inganta rayuwar gajiya kafin zubowar farko. FASSARAR QINGDAO QIANGSENYUAN tana gina wannan damar a yanzu-ba azaman gwajin lab ba, amma azaman kayan aikin samarwa. Muna ba da takaddun shaida ga AS9100 don abubuwan haɗin famfo mai mahimmancin sararin samaniya. Muna samun cancantar HIP (matsawar isostatic mai zafi) don simintin simintin gyare-gyare na kusa-net. Kuma muna horar da injiniyoyi ba kawai don karanta zane-zane ba-amma don hasashen yadda narkakkar ƙarfe zai kasance a cikin takamaiman yanayin lissafi, ƙarƙashin sanannun yanayin sanyaya, tare da ingantattun sinadarai na gami.
Simintin gyare-gyaren ƙarfe ba game da zubar da ƙarfe ba ne. Yana game da fassara buƙatun aiki — mutuncin matsi, juriya, kwanciyar hankali na zafi—zuwa tabbataccen ƙarfe. Wannan yana buƙatar fiye da kayan aiki. Yana buƙatar ƙwarewa tare da hanyoyin fasa AMS 5387. Yana buƙatar ƙware a cikin alawus ɗin simintin gyare-gyaren GD&T. Yana buƙatar amincewa da aka gina sama da ingantattun ayyukan samarwa guda 217-ba alƙawura ba. Idan madaidaicin bawul ɗin ku na gaba mai ƙarfi, kayan famfo piston, ko ɓangaren gami na musamman yana buƙatar aiwatarwa-ba kawai tsira ba-to ainihin yana farawa tun kafin tartsatsin farko ya faɗo aikin.
