Lokacin da mahalli na 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- injiniyoyi ba sa zargin ƙira. Sun mayar da shi zuwa ga shawara daya: wanda abokin aikin ƙarfe na ƙarfe ya kula da mahimmancin lissafi, ƙananan tsarin, da kwanciyar hankali.
Wannan shine inda madaidaicin samar da tushe ya daina zama kayayyaki kuma ya zama kwangilar aiki. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun ga wannan da idon basira a fadin 178 famfo bawul redesigns, 92 teku winch shaft maye, da 36 AMS 5387 cobalt alloy batches kawo zuwa Tier-1 na'ura mai aiki da karfin ruwa tsarin integrators. Duk gazawar da muka bincika ta raba tushen tushe iri ɗaya-ba ƙaƙƙarfan simintin gyare-gyare ba, amma haɗaɗɗen simintin gyaran kafa ba daidai ba.
Me yasa "Madaidaici" a cikin Metalcasting yana nufin Fiye da Haƙuri
Haƙuri mai tsauri kawai baya bada garantin aiki. Kaurin bangon ± 0.02 mm akan gidan famfo na silinda na piston ba yana nufin komai ba idan microstructure na simintin yashi ya ƙunshi ƙarancin ƙarfi kusa da fillet mai tsananin damuwa. Ko kuma idan raguwar damuwa daga rashin daidaituwar sanyaya ya mamaye saman flange bayan CNC yana fuskantar.
Mun gano wannan yayin gudanar da aikin tabbatarwa na 2022 don injin abin hawa na EU na OEM. Su na asali maroki ya hadu da duk GD&T callouts a kan takarda-amma 31% na gidaje sun kasa gwajin hydrostatic a mashaya 400. Ƙungiyarmu ta tsara yankin gazawar: ƙaƙƙarfan haƙarƙari mai kauri na 1.8mm kusa da tashar shigar mai. Matsalar ba kuskuren inji bane. An ƙasƙantar da shi rashin daidaiton ƙimar ƙarfin ƙarfi a cikin ƙera yashi, wanda aka haɓaka shi ta hanyar canjin da ba a sarrafa shi ba.
Magani? Mun sake fasalin tsarin gating * kuma * ƙara ƙwanƙolin mai sanyaya mai sarrafa-sa'an nan an tabbatar da simintin ƙwanƙwasa a kan ainihin bayanan hoto na thermal daga zubo. Sakamakon: gazawar sifili a cikin raka'a 12,400. Daidaitaccen simintin ƙarfe yana farawa kafin a zubar da ladle na farko.
Ƙarfin Ƙarfi guda uku waɗanda ba za a iya sasantawa ba don ƙaddamar da ƙaddamarwa mai mahimmanci
Ba kowane ma'adanin kafa ba ne zai iya cike gibin da ke tsakanin amincin ƙarfe da aikin lissafi. Waɗannan su ne iyakoki guda uku da muke gwadawa sosai—kafin faɗin sashe ɗaya:
- Aiki tare da kayan aiki-tsari: Simintin simintin gyare-gyare na cobalt-nickel kamar T800 ko AMS 5387 ba game da zubar da ƙarfe mai zafi ba ne. Yana sarrafa tsarin hatsi ta hanyar madaidaicin zafi mai narkewa (1420-1445°C), preheat mold (220-240°C), da ƙimar ramp ɗin sanyaya bayan zuba. Muna shiga kowane siga-kuma muna daidaita shi tare da tsayin daka da taurin tarwatsewa cikin kowane zafi.
- Ikon sarkar girma: Simintin ƙarfe na iya ɗaukar ± 0.3 mm kamar yadda simintin gyare-gyare, amma wannan ba shi da amfani idan na'urar injin ƙarshe na buƙatar ± 0.015 mm. Muna gina ɗimbin juriya waɗanda ke ƙididdige ƙaddamar da simintin simintin gyare-gyare, jujjuyawar kayan aiki, da haɓakar zafi yayin jiyya na zafi-duk an inganta su tare da sikanin CMM a matakai uku: simintin simintin gyare-gyare, Semi-ƙarami, da na ƙarshe.
- Cikakkun abubuwan ganowa-ba kawai lambobi ba: Lokacin da abokin ciniki ya ba da rahoton ƙarewar ƙasa mara daidaituwa akan matosai na cobalt, muna buƙatar fiye da lambar zafi. Muna jan rajistan ayyukan tanderu, bayanan batch ɗin yashi, lokutan zama na tanda, har ma da zafi na yanayi yayin taron ƙirar. Wannan matakin bin diddigin binciken ya hana sake samun gazawar aikin famfun mai na kudu maso gabashin Asiya a kwata na karshe.
Haƙiƙan Kudin Maganin Karfe na “Standard” Metalcasting Solutions
Wasu masu saye suna zabar simintin gyare-gyare mai rahusa dangane da farashin-kg. Amma a aikace, suna biya wani wuri:
- Re-machining scraps: 12-19% yana haifar da asarar a kan hadadden simintin ƙarfe lokacin da ba a inganta izinin yin injin don bambance-bambancen simintin simintin.
- Rashin gazawar filin: Gidauniyar famfon bakin karfe daya fashe ta kashe kudin ruwa na karamar hukumar Arewacin Amurka $217,000 a cikin lokacin gaggawa-ba a kirga aikin maye gurbin ba.
- Tsara jinkirin ƙira: Ba tare da amsawar masana'anta na farko ba, 68% na samfuran farko na abokan cinikinmu suna buƙatar canje-canjen lissafi. Muna ba da alama wuraren haɗari-kamar hakarkarin bakin ciki mai bango ƙasa da 2.3 mm ko daftarin kusurwoyi ƙarƙashin 0.8°-lokacin nazarin zane, ba bayan an yanke kayan aiki ba.
Hanyar sarrafa simintin gyaran gyare-gyaren mu tana yanke samfurin lokacin jagora da kashi 34% akan matsakaita. Me yasa? Saboda muna injina mahimman abubuwan rufewa * kafin* maganin zafi na ƙarshe - guje wa murdiya wanda ke tilasta sake yin aiki akan sassan da aka gama.
Metalcasting Wannan Sikeli Ba tare da Sadaukar Mutunci ba
Samar da matsakaicin girma yana fallasa raunin da ba a iya gani a cikin samfura. Keke mai zafi sama da 500 yana canza aikin ɗaure yashi. Mold vibration yana tarawa. Gajiya mai aiki yana rinjayar ainihin daidaitaccen wuri.
Muna fuskantar wannan tare da sarrafa sarrafa kwararar aiki mai ɗorewa: masu ƙididdige ƙididdige ƙididdigewa zuwa ɗaure rajistan ayyukan magani, jigi masu saiti mai sarrafa kansa tare da ra'ayin matsayi, da bincikar ultrasonic a cikin 100% na karfe da simintin ƙarfe na bakin karfe sama da 15 kg. Don allunan cobalt, muna ƙara bincike na gani akan kowane zafi na uku don tabbatar da ƙimar nickel-chromium-molybdenum tsakanin ± 0.15% na ƙayyadaddun bayanai.
Wannan ba aikin injiniya ba ne. Yana da yadda muke isar da 99.82%-farko-farko yawan amfanin ƙasa akan jikin bawul ɗin matsa lamba-yayin da muke ci gaba da gano abubuwan da aka gano har zuwa adadin ingot da ID na murhun wuta.
Madaidaicin ƙarfe na ƙarfe yana magance matsaloli na gaske: hana ɓarna bala'i a cikin babban matsi mai ƙarfi, tsawaita rayuwar sabis a cikin mahalli masu ɓarna, ba da damar ƙira mai sauƙi ba tare da lalata ƙarfi ba. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana gina wannan damar-ba azaman da'awar tallace-tallace ba, amma azaman tsari wanda aka rubuta, wanda ake iya dubawa, mai maimaitawa. Lokacin da kayan aikin ku ke aiki inda gazawar ba zaɓi bane, Karfe dole ne ya zama tushe-ba tunanin baya ba.
