Nickel 400 alloy sassa suna isar da juriya mara misaltuwa ga lalatawar damuwa na chloride, ramin ruwan teku, da mahalli na alkali - yanayin da bakin karfe ya kasa yin shiru da bala'i. Mun ga shi da kansa: na'ura mai ba da hanya tsakanin hanyoyin sadarwa a cikin tsarin kula da tekun Arewa ya fashe a cikin watanni 18 - ba daga matsin lamba ba, amma daga jinkirin shigar da sinadarin chloride zuwa micro-porosity a cikin ƙayyadaddun gidaje 316 mara kyau. Canjawa zuwa juzu'i na alloy na nickel 400, tare da ƙarfi mai sarrafawa da taimako na damuwa bayan machining, tsawaita rayuwar sabis zuwa sama da shekaru 12. Wannan ba aikin ka'ida bane. Wannan tabbataccen fage ne.
Me yasa nickel 400 ya bambanta a cikin ƙalubalen lalata na duniya
Nickel 400 (UNS N04400, Monel 400) ba kawai "lalata mai jurewa bane." Yana da zaɓin rigakafi. Its 67% nickel-30% tushe na jan karfe yana samar da warkar da kai, Layer oxide Layer wanda ke tsayayya da lalata-gudanar ruwa a cikin brine, hydrofluoric acid, da sulfuric acid da ke ƙasa da 70% maida hankali-ko da a yanayin zafi mai tsayi. Ba kamar duplex bakin karfe ba, baya nuna alamar sigma-lokaci bayan dogon lokaci mai tsayi sama da 500F. Ba kamar titanium ba, yana jure wa rage acid ba tare da kariyar cathodic mai daraja ba. Amma rigakafi yana buƙatar daidaito: porosity, tsaka-tsakin tsaka-tsakin tsaka-tsaki, ko damuwa na machining na iya haifar da ƙwayoyin galvanic na gida. Shi ya sa takardar shedar albarkatun kasa kadai ba ta isa ba. Kuna buƙatar jiyya mai zafi da za a iya ganowa, ingantaccen tsarin hatsi, da amincin saman ƙasa wanda Nital etch da SEM bincike-bincike-ba kawai certs na niƙa suka tabbatar ba.
Inda Daidaitaccen Ƙirƙirar Ƙirƙirar Ƙirƙirar Ƙarfafawa-da Matsakaicin Ƙimar Injiniya A ciki
Wasu na iya jayayya cewa hannun jari na nickel 400 na kantin sayar da kayayyaki ya warware matsalar. Koyaya, yawancin aikace-aikace masu inganci suna buƙatar ilimin lissafi wanda ba zai yuwu a cimma su ta hanyar juyi na al'ada ko niƙa kaɗai ba. Yi la'akari da gidaje na silinda famfo na piston don allurar mai na teku: tashoshi masu sanyaya na ciki suna tsaka-tsaki a kusurwoyi 47 °, kaurin bango ya bambanta daga 12 mm zuwa 3.2 mm tsakanin 50 mm na tafiya, da wuraren rufewa da ke buƙatar Ra ≤ 0.4 µm. Madaidaicin CNC akan nickel 400 da aka cire yana haifar da taurin aiki, karkatar da kayan aiki, da gurɓacewar yanayi - yana haifar da fitar da ƙayyadaddun ƙayyadaddun taper da zubewar hatimin da bai kai ba. Muna magance wannan ta hanyar haɗa simintin saka hannun jari don siffa ta kusa-net (rage lokacin mashin ɗin da kashi 65%), sannan sai milling guda biyar-axis tare da isar da saƙon sanyaya da kuma tabbatar da CMM a cikin tsari a kowane saiti. Sakamakon? Kwanciyar kwanciyar hankali tsakanin ± 0.015 mm a fadin tsayin 300 mm-da gazawar filin da aka ba da rahoton gazawa a cikin shigarwa 42 a fadin Norway, UAE, da Louisiana.
Abubuwan buƙatu huɗu waɗanda ba za a iya sasantawa ba don Mahimmancin Mahimmancin Nickel 400 Alloy Parts
- Abun ganowa zuwa Matsayin zafi: Kowane bangare yana ɗauke da cikakkun takaddun batch-lambar narkewar wuta, nazarin ladle, zafin zafi/lokaci, da tabbatarwa taurin Rockwell B-ba kawai lambar UNS ba.
- Sarrafa Ƙaƙƙarfan Tsarin Mulki: Babu ci gaban dendritic mara ƙarfi. Duk simintin gyare-gyaren suna fuskantar kulawar ƙarfafawar kwatance; Duk sassan injina sun wuce gwajin ultrasonic ta ASTM E114 don katsewar ƙasa.
- Tabbatar da Mutuncin Surface: Ra, Rz, da Rsk auna-ba a ɗauka ba. Mahimman fuskokin rufewa suna fuskantar farar-haske interferometry; Tashar jiragen ruwa masu zaren suna karɓar bayanan bayanan zaren ta ISO 15510.
- Tabbacin Daidaitaccen Aiki: Ba kawai dubawar girma ba. Haɗaɗɗen bawul ɗin matsa lamba suna yin gwajin gwajin jini na helium a matsa lamba na 1.5 ×; winch shaft rollers suna gudanar da ma'auni mai ƙarfi a 3,200 RPM kafin jigilar kaya.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD.: Gina Abin da Wasu Ke Magana a matsayin "Ba Mai yiwuwa ba"
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. kera sassan gami da nickel 400 inda gazawa ke nufin raguwar lokaci, sakin muhalli, ko sulhuntawa. Kayan aikin su na ISO da ke Qingdao yana ɗaukar cikakken sarkar-daga AMS 5387 mai yarda da albarkatun ƙasa da simintin saka hannun jari, zuwa mashin ɗin CNC mai axis da yawa tare da ramuwa ta thermal na ainihin lokaci, zuwa ingantaccen aiki na ƙarshe. A kai a kai suna samar da abubuwan da ba daidai ba kamar cobalt-nickel hybrid valve jikin tare da haɗaɗɗen kujerun datti na nickel 400, ko gidajen famfo na T800-alloy tare da layin lamba na nickel 400-geometries waɗanda dillalai uku suka ƙi kafin su kai ga nazarin aikin injiniya. Ƙarfinsu ya ta'allaka ne a cikin ƙin raba ƙarfe da injina: suna daidaita ma'aunin yankan bisa ainihin taswirar microhardness, ba teburan ciyarwa da sauri ba. Lokacin da OEM na Turai ke buƙatar nozzles na al'ada 17 na nickel 400 don babban mai saurin brine na shuka, QINGDAO QIANGSENYUAN ya ba da amincewar labarin farko a cikin kwanaki 11 - ba makonni ba - ta hanyar aiwatar da yanke gwaji akan takaddun shaida na gwaji daga irin zafin zafi.
Nickel 400 alloy part wasan kwaikwayon ya rataya akan aiwatarwa - ba kawai takamaiman bayani ba. Zaɓi abokan haɗin gwiwa waɗanda ke ɗaukar takaddun bayanan kayan a matsayin wuraren farawa, ba layin gamawa ba. Wanene ya tabbatar da juriya na lalata tare da fesa gishiri + electrochemical impedance spectroscopy — ba kawai duba na gani ba. Wanene ya fahimci cewa haƙurin 0.002 ″ akan fuskar flange 12 ″ yana nufin komai idan ragowar damuwa ya gurbata shi yayin shigarwa. Lokaci na gaba da aikace-aikacen ku ya buƙaci fiye da juriya na lalata, duba fiye da ƙimar gami. Dubi yadda ake yinsa, gwadawa, da gano shi. Shi ke nan inda dogara na gaske ya fara-kuma inda QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. isarwa.
