Lokacin da injiniyoyi suka bayyana Alloi 21 don manyan bawul ɗin hydraulic mai ƙarfi ko gidajen famfo mai jure lalata, ba kawai zaɓin abu bane - suna yin fare akan kwanciyar hankali mai girma, daidaiton microstructural, da juzu'i-zuwa-tsari a cikin ƙarfin yawan amfanin ƙasa. Shi ya sa ake samo asali daga gaskiya Alloy 21 factory al'amura fiye da kowane lokaci. Ba kowane tushe ba zai iya ɗaukar ± 0.02 mm haƙuri akan 350 mm cobalt-nickel simintin gyare-gyare yayin da yake riƙe da tsarin hatsi na AMS 5387 bayan maganin zafi. Mun ga ayyuka da yawa sun jinkirta ta hanyar masu samar da kayayyaki waɗanda ke kula da Alloy 21 a matsayin "wani nau'in nickel alloy kawai" - sannan kuma suna gwagwarmaya tare da machining chatter, fashewar tsaka-tsakin tsaka-tsakin tsaka-tsakin da ba zato ba tsammani, ko ƙarewar ƙasa wanda ya kasa tabbatar da gishiri-spray.
Me yasa Alloy 21 Ya Bukaci Fiye da Ƙarfin Alloy Na Daidaitawa
Alloy 21 (UNS N02021) ba babban doki ba ne kamar Inconel 600. Abubuwan da ke cikin 20% na molybdenum yana ba da juriya na musamman don rage acid - amma kuma yana sa sanannen wahala don jefa tsabta da injin ba tare da taurin aiki ba. A cikin shagonmu, mun kawar da batches uku na gwaji na gidaje na famfo na piston kafin inganta yanayin iska mai yashi da zafin zafin jiki. Kwarewar duniyar duniyar ta nuna: idan mai siyar da ku bai gudanar da aƙalla samar da abubuwa 15 da yawa na kayan haɗin Alloy 21 a ƙarƙashin ikon ISO 9001 ba, yi tsammanin zazzage girma fiye da kiran GD&T - musamman akan sassan bangon bakin ciki ƙasa da 4 mm.
Muna gwada lissafin Alloy 21 masu shigowa akai-akai ta amfani da spark-OES kuma muna tabbatar da girman hatsi ta ASTM E112. Me yasa? Saboda rahoton rashin yarda da abokin ciniki ɗaya ya bayyana zafi guda ɗaya tare da ƙananan hatsi - wanda aka samo shi zuwa lokacin jiƙa tanderun da bai dace ba a wurin niƙa. Wannan rukunin ya wuce ilimin sunadarai amma ya gaza rayuwa ta gajiya a gwajin filin. A gaskiya Alloy 21 factory ba kawai karɓar certs ba - yana tabbatar da ƙarfe a ƙofar.
Ƙarfin Ƙarfi guda huɗu waɗanda ba sa sasantawa dole ne ka tabbatar
Kafin sanya hannu kan NDA ko raba zane na GD&T, yi waɗannan tambayoyin - kuma ku nemi hujja:
- Kuna jefa Alloy 21 a cikin gida - ko narkewar waje? Narkewar shigar da kayan aiki a waje yana gabatar da sauye-sauye a ƙididdige haɗawa da abun ciki na gas. Muna narke kuma muna zuba Alloy 21 a cikin namu injin-arc remelt (VAR) don sarrafa matakan oxygen da ke ƙasa da 12 ppm.
- Shin injunan CNC ɗin ku na iya ɗaukar cikakken niƙa na kwane-kwane na Alloy 21 mai ƙarfi a 45 HRC? Daidaitaccen kayan aikin carbide sun karkata. Muna amfani da masana'anta na ƙarshen yumbu tare da tsattsauran ramin hydrostatic - kuma muna saka idanu kan lalacewa ta hanyar na'urori masu auna firikwensin sauti na lokaci-lokaci.
- Kuna aiwatar da warware matsalar annealing da tsufa a cikin gida - tare da ƙwararrun ma'aunin zafi da sanyio da tanderun da aka daidaita? Ƙarfin Alloy 21 yana rataye akan madaidaicin zagayowar zafi. Digiri ɗaya kashe yayin tsufa yana jujjuya ƙarfin ƙarfi har zuwa 80 MPa.
- Shin kowane bangare an ba shi lambar ID na musamman - tare da cikakken iya gano zafin danyen abu, kwanan ranar jefawa, canjin injin, da rahoton CMM? Ga jikin bawul ɗin mai da iskar gas, wannan ba zaɓi bane. Ana buƙata ta API 6A Annex F.
Abin da ke Faruwa Lokacin da Ka Tsallake Masana'antar Musamman
Wasu masu siye suna ƙoƙarin adana farashi ta hanyar tura sassan Alloy 21 zuwa shagunan ayyuka na gaba ɗaya. Sakamakon? Hanyoyin gazawa mai maimaitawa guda uku muna bin diddigin shari'o'in abokan ciniki 42:
- Karan-fashewa a cikin yankunan da zafi ya shafa - lalacewa ta hanyar rashin daidaituwar zafin jiki na tsaka-tsaki yayin waldawar TIG na Alloy 21 flanges;
- Rashin kwanciyar hankali na girma bayan injin ƙarshe - saboda saura sakin damuwa a cikin sassan da ba a rage damuwa ba kafin a gama;
- Ramin saman ƙasa a cikin mahallin chloride - an gano shi zuwa gurɓacewar chromium daga ƙaƙƙarfan niƙa ba tare da wucewa ba.
Mun gyara duka ukun - amma bayan saka hannun jari a cikin sadaukarwar kayan aikin Alloy 21, tanda mai saurin rage damuwa, da kuma baho na citric-acid da aka inganta ta ASTM A967. Wannan ababen more rayuwa ba su da arha. Amma yana da arha fiye da maye gurbin 17 winch center shaft rollers tsakiyar turawa kan wani jirgin ruwan tallafi na teku.
Amincewar Gina, Zafi ɗaya a lokaci ɗaya
Amincewa yana farawa kafin guntu na farko ya tashi. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane Alloy 21 oda yana farawa tare da nazarin haɗin gwiwa game da bukatun aikinku - ba kawai girma ba. Muna tambaya: Menene max ɗin matsi na aiki? Menene zagayowar aikin da ake tsammanin? Shin wannan zai ga cyclic thermal loading? Wannan mahallin yana ƙayyade ko muna ba da shawarar yin simintin yashi + gama mashin ɗin ko saka hannun jari + ƙarancin cire haja.
Lokacin jagoranmu na yanzu don umarni na Alloy 21 matsakaici-girma shine makonni 12 - ba saboda muna jinkiri ba, amma saboda muna tsara zafi a cikin tubalan shida don tabbatar da ingantaccen tarihin zafi. Ba mu gaggawa Alloy 21. Muna girmama shi. Kuma lokacin da bawul ɗin matsa lamba dole ne ya tsira da hawan keke 15,000 a psi 3,000 ba tare da yabo ba, wannan horo ya zama gefen aminci.
Idan kuna buƙatar daidaitattun abubuwan Alloy 21 waɗanda aka gina don aiki - ba kawai takamaiman ba - fara da masana'anta da ke ɗaukar ƙarfe azaman injiniyanci, ba dabaru ba. Wannan shine abin da ke bayyana ainihin Alloy 21 factory.
