Lokacin da injiniyoyi suka bayyana Farashin 718, Ba wai kawai zabar wani abu ba ne - suna ƙaddamar da kwanciyar hankali a 650 ° C, juriya ga lalata-lalata a cikin mahallin gas mai tsami, da kuma gajiyar rayuwa a ƙarƙashin cyclic thermal loading. Amma ƙayyadaddun ƙayyadaddun kayan aiki suna nufin kaɗan ba tare da abokin tarayya wanda ya mallaki halayen sa a cikin shagon ba. Nan ne wani Inconel 718 masana'anta yana samun nauyinsa-ba a cikin ƙasidu ba, amma a cikin maimaitawa a cikin batches 200, a cikin yarda da GD&T akan fasalulluka na haƙuri na 0.005-mm, kuma a cikin abubuwan ban mamaki a yayin binciken labarin farko.
Me yasa "Masana'antu" ke da mahimmanci fiye da "mai bayarwa" na Inconel 718
Mun ga ayyuka da yawa sun tsaya cak saboda wani kamfani na kasuwanci ya samo hannun jarin Inconel 718 daga injin niƙa ɗaya, ya yi zafi a cikin tanderun ɓangare na uku, sannan ya tura shi zuwa wani kantin CNC ba tare da sa ido na ƙarfe ba. Sakamakon? Bambancin ƙananan sassa tsakanin zafi. Fuskar bangon bango a kan flanges da aka juya. Ragowar tashin hankali-ya haifar da yanayin yaƙi bayan injina na ƙarshe-an gano shi kawai yayin gwajin injin ruwa. A gaskiya Inconel 718 masana'anta ya mallaki sarkar: ƙwararriyar gano albarkatun ƙasa, warware matsalar cikin gida da hawan hawan tsufa, da mashin ɗin injin da aka inganta akan ainihin Inconel 718-ba saitattun saiti na nickel-alloy ba.
A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane bangaren Inconel 718 yana farawa da takardar shaidar AMS 5662, wanda aka tabbatar ta hanyar PMI da OES kafin shigar da kwararar samarwa. Ba mu fitar da maganin zafi ba. Tanderun injin mu suna bin daidaitattun bayanan AMS 2750E pyrometer calibration - kuma muna riƙe cikakkun bayanan tarihin zafi a kowace kuri'a. Wannan ba a kan gaba ba ne. Yana da yadda muke riƙe ± 0.01 mm akan 320-mm-diamita piston famfo silinda gidaje yayin da muke kiyaye Ra 0.4 µm saman gamawa akan filayen rufewa na ciki.
Inda Standard Machining ya kasa-kuma Abin da Ake Aiki A zahiri
Wasu shagunan suna ɗaukar Inconel 718 kamar taurin bakin karfe. Ba sa. Adadin ƙarfin aikin sa shine 3 × sama da 316SS. Adadin ciyarwa ya ragu da kashi 40% bayan wucewa ta farko. Rayuwar kayan aiki tana raguwa idan matsa lamba mai sanyaya ya faɗi ƙasa da mashaya 70. Mun koyi wannan ta hanya mai wuyar sarrafa kayan aikin AMS 5387 cobalt-nickel nozzles don manyan ma'auni na hydraulic manifolds - har sai mun canza zuwa matsa lamba ta hanyar sanyaya mai sanyaya, yumbu mai rufin carbide tare da ingantacciyar lissafi na rake, da hanyoyin daidaitawa waɗanda ke iyakance lokacin zama.
Kayan aikinmu mai yarda da ISO yana gudanar da cibiyoyin injuna 5-axis sanye take don niƙa zurfin rami na hadaddun kwantena-kamar madaidaicin magudanar ruwa a cikin bawul ɗin matsa lamba da aka kimanta zuwa mashaya 420. Muna haɗa maganin zafi *tsakanin * ayyuka lokacin da ake buƙata: na'ura mai ƙaƙƙarfan → warware matsalar → rage damuwa → gama injin → taurin shekaru. Tsallake wannan jeri yana haifar da ɓarna ko rashin daidaituwar ƙarfin amfanin gona. Abokan ciniki waɗanda suka tsallake bita na injiniya suna yawan tambaya, "Me yasa rukuninmu na farko ya ci CMM amma ya kasa yin gwajin fashe?" Amsar ita ce da wuya zane - hanya ce ta thermal-mechanical.
Cast + Machine = Ayyukan Duniya na Gaskiya Zaku Iya Aunawa
Inconel 718 ba kawai ƙirƙira ko yi ba. Don manyan sassa masu mahimmancin tsari-tushen famfo, na'urorin bututun cibiyar winch, jikin bawul na bakin teku - simintin saka hannun jari yana ba da siffa ta kusa-talla tare da kwararar hatsi mafi girma. Amma jefawa kadai bai isa ba. Fuskokin simintin gyare-gyare ba su da juriyar gajiya da ake buƙata don jujjuya abubuwan haɗin gwiwa. Shi ya sa namu Inconel 718 masana'anta ya haɗu da simintin saka hannun jari tare da madaidaicin kammalawar CNC: jefa zuwa ± 0.3 mm, sannan injin rufe fuskoki, masu ɗaukar mujallu, da nau'ikan zaren zuwa ± 0.008 mm tare da cikakken ingantaccen GD&T.
Muna kula da daidaitawar fasaha tare da masu samar da kayan akan sarrafa girman hatsi (ASTM E112), ƙimar haɗawa (ASTM E45), da abun ciki na delta-ferrite. Kowane simintin gyare-gyare yana karɓar duban radiyo (ASTM E94) da gwajin shigar ruwa (ASTM E165). Babu keɓance-har da samfuri. Domin a cikin aikace-aikacen mai & iskar gas ko na cikin teku, gungu na porosity ɗaya a cikin tashin hankali ba "ƙananan karkata ba." Rashin filin wasa ne yana jiran faruwa.
Zaɓan Abokin Hulɗa na Inconel 718: Abubuwa uku waɗanda ba za a yi sulhu ba
Kafin sanya hannu kan PO, yi waɗannan tambayoyin-kuma ku nemi shaida:
- Za a iya nuna mani gunkin inconel 718 na ƙarshe na maganin zafi? Ba kawai yanayin zafin jiki ba-amma yanayin yanayin tanderu, ƙimar ramp, lokutan jiƙa, da ƙimar sanyaya ta AMS 2750E.
- Kuna yin aikin tabbatar da ƙananan ƙwayoyin cuta bayan zafi? Muna yin SEM/EDS akan ɓangarorin giciye don tabbatar da γ′zartaccen rarrabawa da rashi na δ-lokaci a iyakokin hatsi.
- Menene mafi munin lokacin jagoran ku don tsari mai kashi 15 na gidan silinda mai diamita 220mm-tare da cikakkun takaddun shaida, rahotannin CMM, da bayanan NDT? Amsar mu ita ce kwanakin kalanda 28. Ba "4-6 weeks." Ba "ya dogara." Muna bin sa a ainihin lokacin.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. baya sanya kanta a matsayin "Ma'aikatar Inconel 718" don tallace-tallace. Mu daya ne-saboda kowace rana, masana'antunmu suna daidaita ciyarwa bisa ga kayan aikin kayan aiki na ainihi, masu aikin ƙarfe namu suna bincika karatun taurin kai akan sakamakon gwaji mai ƙarfi, kuma ƙungiyarmu ta QA ta yi rajista ne kawai bayan gwajin aikin ya dace da ƙayyadaddun zagayowar aikin abokin ciniki. Wannan shine bambanci tsakanin samowa da warwarewa.
Idan aikin ku na gaba yana buƙatar sassan Inconel 718 waɗanda ke tsira awanni 10,000 a 600°C, hatimi da dogaro a mashaya 400, ko juya ba tare da damuwa a 1,800 rpm ba—fara da abokin tarayya wanda amincinsa ke rayuwa a cikin tanderun tanderu, ba layin gidan yanar gizon su ba. Dama Inconel 718 masana'anta baya yin alkawarin kamala. Yana ba da tsinkaya-ɗayan zafi-magani, ingantattun injina, cikakken ɓangaren ganowa a lokaci guda.
