Monel 400 masana'antar injina - wannan jumla tana sigina fiye da iyawa. Yana nuna shirye-shirye don ayyuka mafi wahala: manyan gidaje na ruwa mai matsa lamba, kayan aikin famfo ruwan teku, jikin bawul-gas mai tsami, da kayan aikin bakin teku inda juriyar lalata ta hadu da sarrafa juzu'i na micron-level. Mun yi mashin Monel 400 sassa don abokan ciniki a Houston, Rotterdam, da Singapore - kuma kowane lokaci, ƙalubalen iri ɗaya ya taso da wuri: ƙarfin aiki na kayan aiki yayin yankewa yana haifar da saurin lalacewa na kayan aiki, tsagewar saman, da ɗimbin girma idan sigogin tsari ba a kulle su ba kafin guntu na farko ya tashi.
Me yasa Monel 400 Ya Bukaci Wani nau'in Shagon Madaidaici daban-daban
Monel 400 ba bakin karfe bane. Yana da 67% nickel, 23% jan karfe, tare da ƙarami amma mahimmanci ƙari na ƙarfe, manganese, carbon, da silicon. Ƙarfin ƙarfinsa yana zaune tsakanin 790-965 MPa - mafi girma fiye da 316 bakin - kuma yanayin zafinsa shine kawai 23 W/m·K. Wannan ƙarancin zafi yana nufin yanke tsayawar zafi a tarko a kayan aiki-workpiece dubawa. Adadin abubuwan saka carbide na kasa da sauri. Ruwan sanyaya dole ne ya zama babban-matsi, wanda aka yi niyya, kuma mara yankewa. Adadin ciyarwa ya ragu 30-40% a kan Inconel 625. Kuma wani girgiza? Yana fassara kai tsaye zuwa alamomin zance waɗanda ke ɓata ƙarshen saman saman rufewa ko ɗaukar mujallu.
Mun ga abokan ciniki suna jigilar Monel 400 blanks zuwa shaguna daban-daban guda uku - kawai don dawo da sassa tare da zagaye na ID mara daidaituwa, kuskuren jagorar zaren da ba a bayyana ba, ko ƙananan fashe kusa da kusurwoyi masu kaifi na ciki. Tushen tushen ba ƙwarewar ma'aikata ba. Ba a yi daidai da dabarun kayan aiki ba, tsarin hatsin da ba a tabbatar da shi ba, kuma babu sa ido kan yanayin zafi. Real Monel 400 machining yana buƙatar haɗaɗɗen wayar da kan ƙarfe - ba kawai shirye-shiryen CNC ba.
Yadda Kamfanin Mota na Gaskiya 400 ke sarrafa Ma'auni
A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun bi Monel 400 a matsayin tsarin - ba wani abu sa. Kowane oda yana farawa tare da takaddun shaida na ASTM B127 farantin ko mashaya, wanda aka tabbatar don girman hatsi (ASTM E112), juriya na lalata tsaka-tsaki (ASTM G28 Hanyar A), da daidaiton taurin kai a cikin ɓangaren giciye. Babu ware.
Sa'an nan kuma mu yi taswirar yankunan aiki na ɓangaren: fuskokin rufewa suna buƙatar Ra ≤0.4 μm; Ƙunƙarar matsa lamba yana buƙatar ± 0.005 mm zagaye akan tsayin 120 mm; Tashoshin tashar jiragen ruwa suna buƙatar gaging ɗin zaren cikakken tsari tare da Go/No-Go dubawa ta ASME B1.20.1. Kawai sai mu zaɓi kayan aiki - al'ada-ƙasa PCD-tipped drills don zurfin ramuka, yumbu abun da ake sakawa don gama wucewa, da kuma cryogenically bi da ƙarshen niƙa don kwane-kwane milling na impeller cibiya.
Kayan aikinmu mai dacewa da ISO yana gudanar da cibiyoyin injina da yawa sanye take da sa ido kan kayan aikin sandar kayan aiki na gaske da kuma kula da yanayin sanyi mai rufewa. Idan ƙarfin kayan aiki ya zarce kashi 12% na tushen tushe, injin yana tsayawa ta atomatik - babu zato, babu guntuwa.
Inda Kwarewa Ta Juya Zuwa Sakamako Maimaituwa
Abokin ciniki ɗaya yana buƙatar gidaje 42 Monel 400 piston famfo silinda don tsarin ruwa na ƙarƙashin teku. Kamfanin nasu na asali ya ba da sassa 17 - duk gwajin leak ɗin helium ya gaza a mashaya 300. Tushen dalili? Karamin-porosity daga al'amurran da suka shafi simintin abinci, wanda ya haɗe ta da mugun zaƙi wanda ya buɗe ɓoyayyen ƙasa. Mun sake sabunta ginin: an fara tare da ɓangarorin saka hannun jari (AMS 5380 mai yarda), ƙara gwajin ultrasonic kafin yin injin, yi amfani da milling hawa kawai, kuma mun gudanar da haƙurin ID na ƙarshe a Ø142.000+0.0100 mm tare da bin diddigin CMM kowane lamba da yawan zafi.
Wani shari'ar: AMS 5387 cobalt alloy nozzles an haɗa su da Monel 400 adaftar flange. Dukansu kayan biyu suna nuna hali daban a ƙarƙashin hawan zafi. Mun gudanar da simintin faɗaɗa yanayin zafi na haɗin gwiwa, daidaitawar tsangwama da ya dace, da ingantacciyar damuwa ta taro tare da gwajin ma'auni - ba kawai ƙididdigar ƙira ba. Wannan shine yadda kuke guje wa gazawar filin a 180 ° C da 450 psi.
Waɗannan ba haɓakawa bane na ka'idar. An rubuta su a cikin Rahoton Tabbatar da Tsari na ciki - akwai ga ƙwararrun abokan ciniki akan NDA.
Ainihin Abin da kuke Samu Daga Masana'antar Mota 400 Na Musamman
- Material-tsarin farko: A'a "kawai gudanar da shi akan VMC." Mun tabbatar da ilmin sinadarai, jagorar kwararar hatsi, da tarihin maganin zafin zafin kafin a faɗi.
- Babu ɓoyayyiyar farashin sake yin aiki: Binciken daidaito na saman ya haɗa da gano farin-layi (ta hanyar SEM / EDS) a kan gefuna masu mahimmanci - saboda aikin Monel 400 na aiki mai wuyar gaske zai iya fara fashewar gajiya a ƙarƙashin nauyin hawan keke.
- Cikakken GD&T aiwatarwa: Muna fassara matsayi, bayanin martaba, da kuma kiran gudu ba a matsayin haƙuri ba - amma a matsayin bukatun aiki. Haƙurin matsayi na 0.02 mm akan da'irar kulle ba game da wuri bane. Yana da game da tabbatar da ko da manne ƙarfi a kan wani lalaci-ruwa gasket dubawa.
- Abun ganowa a ciki: Kowane sashi yana jigilar kaya tare da takardar shedar jeri lambar zafi mai ɗanɗano, sake fasalin shirin CNC, ID na rahoton CMM, da ID na ma'aikaci - ba tambari kaɗai ba.
Monel 400 machining factory ba shine alamar talla ba. Yana da sadaukarwa ga horo na ƙarfe, nuna gaskiya, da lissafin aikin injiniya. Lokacin da bangaren ku ke aiki a cikin arziƙin chloride, matsi mai ƙarfi, yanayin kula da sifili - sasantawa ba zaɓi ba ne. Madaidaici shine tushe. Amincewa shine abin bayarwa.
Idan aikin ku na gaba na Monel 400 yana buƙatar kwanciyar hankali mai girma, mutuncin saman ƙasa, da cikakkun abubuwan gano abubuwa - fara da abokin tarayya wanda ke kula da gami da nickel-Copper alloys kamar yadda suke: tsarin manufa-mafi mahimmanci, ba ƙarfe ba.
