Lokacin da injiniyoyi suka ƙididdige sassan simintin saka hannun jari na bakin karfe don bawul ɗin ruwa, gidajen famfo, ko mai da iskar gas na teku, ba kawai siyan ƙarfe ba ne — suna siyan kwanciyar hankali a ƙarƙashin mashaya 300, amincin microstructure bayan magani mai zafi, da rashin haƙuri ga porosity a cikin manyan hanyoyin lodi. Shi ya sa zabar abin da ya dace bakin karfe zuba jari simintin sassa factory ba akwatin bincike ba ne - yanke shawara ne na rage haɗari.
Mun ga ayyuka da yawa sun tsaya cak lokacin da simintin gyare-gyaren ya wuce duban gani amma ya kasa gwajin matsa lamba a taron ƙarshe. Tushen dalili? Tsarin hatsi mara daidaituwa daga ƙarfin da ba a sarrafa shi ba, ko machining-jawo saura danniya a cikin bakin bakin gida mai katanga mai katanga wanda ke jujjuyawa yayin wuce gona da iri. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane bakin karfe saka hannun jari fara da AMS 5387-compliant albarkatun kasa traceability-ba tsari takardun shaida, amma cikakken zafi-yawan rajistan ayyukan da alaka da na bakan bincike rahotanni. Muna tabbatar da ƙimar chromium-nickel-molybdenum kafin narkewa, ba bayan haka ba.
Ba a Ƙara Ƙimar Ƙirar Ƙirar Ƙirar Ƙirar Ƙirar Ƙirar Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙaddamarwa
Yawancin masu samar da kayayyaki suna ɗaukar simintin gyare-gyare da injina azaman matakai na jere. Muna ɗaukar su azaman tsarin zafin jiki-makanikanci mai ci gaba. Gidan famfo na silinda na piston wanda aka yi daga bakin karfe na CF8M baya samun injina akan injin niƙa mai girman 5 * bayan * yin simintin gyare-gyare - ana tsara shi don ƙarancin cirewar hannun jari * lokacin * injin ƙirar ƙira. Teamingungiyar kayan aikin mu tana gudanar da simintin gyare-gyare (ta amfani da MAGMASOFT®) don hasashen wuraren raguwa, sannan daidaita gating da tashi don haka ƙasan simintin simintin gyare-gyare na ƙarshe tsakanin ± 0.15 mm na GD&T callouts — kafin kowane yanke yanke.
Wannan haɗin kai yana kawar da gibin "simintin-zuwa-na'ura" na al'ada: babu sake yin aiki saboda bambancin kaurin bangon da ba a zata ba, babu sake sake CMM na minti na ƙarshe saboda saman datum ya canza yayin sanyaya. Don abubuwan da aka gyara kamar jikin bawul ɗin matsa lamba tare da ƙimar ASME B16.34 Class 900, wannan yana nufin muna riƙe haƙƙoƙin matsayi na gaskiya na 0.05 mm akan ɓangarorin hatimin diamita na 8-mm-har ma akan sassa tare da 3: 1 ma'auni na al'amari da sassan giciye na ciki.
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- Shell-gine tare da zircon-silica matasan slurries-mahimmanci don cimma Ra ≤ 1.6 µm as-cast surface akan 316L impeller vanes
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- Maganin zafi yana aiki tare tare da jefa kuri'a: Maganin warwarewa a 1050°C ± 5°C, sannan quenching ruwa a cikin tankunan zafin jiki (± 2°C)
Me yasa Cobalt Alloys ke Tabbatar da Ƙarfe Bakin Karfe
Wasu na iya yin gardama: "Bakin ƙarfe yana da sauƙi. Me yasa aka mayar da hankali kan cobalt?" Domin idan masana'anta na iya ci gaba da jefawa, injina, da gama T800 na tushen superalloy nozzles-kayan abu tare da 45 HRC taurin as-simintin da sifili machinability index-ya ƙware ainihin abubuwan buƙatun bakin karfe: ikon sarrafa zafin jiki, daidaitawa mai ƙarfi, da ƙaƙƙarfan ƙima mai lalacewa.
Muna gudanar da ƙa'idar bincike iri ɗaya akan 304 bakin ƙarfe winch cibiyar shaft abin nadi kamar yadda muke yi akan filogi na AMS 5387: gwajin ultrasonic ta ASTM E114, rini mai shiga tsakani ta ISO 3452-2, da cikakken ingantacciyar sinadarai ta hanyar OES (hangen nesa na gani). Babu gajerun hanyoyi. Babu wani zato na "daidaitacce". Lokacin da abokan ciniki suka aiko mana da zane tare da jurewar matsayi na ± 0.025 mm akan fasalulluka Ø6-mm da ke 120 mm daga farkon datum, muna ba da amsa tare da rahoton ƙira-ba ƙira ba.
Amintaccen Isarwa na Gaskiya yana farawa da Ganewa na Lokaci na Gaskiya
"Isar da kan lokaci" ba yana nufin komai ba idan ɓangaren ya zo tare da maganin zafi mara izini ko takaddun kayan da bai dace ba. Mun sanya kowane simintin simintin ƙira na musamman na QR a ginin harsashi. Wannan lambar tana da alaƙa da: rahotannin gwajin injin niƙa, magudanar zafin wuta daga tanderu, rahotannin binciken CMM tare da taswirar karkatacciyar taswira, har ma da sa hannun ma'aikata a ƙofofin aiwatarwa. Abokan ciniki a Arewacin Amurka da EU suna samun damar wannan bayanan kai tsaye ta hanyar tashar yanar gizon mu - ba kamar yadda PDFs ke aiko da imel a jigilar kaya ba, amma azaman bayanan dijital da ake iya gani.
Don odar matsakaici-girma (pcs 50-500), aikin mu mai dogaro da kai yana yanke lokacin jagora ta hanyar 22% tare da ma'auni na masana'antu-ba ta hanyar gaggawa ba, amma ta hanyar kawar da madaukai na sake aiki. yaya? Mun tabbatar da zana GD&T akan yuwuwar yin simintin *kafin* kayan aiki. Idan abokin ciniki ya ƙayyade Rz 0.8 µm akan diamita na 12-mm na ciki, muna ba da alama da wuri: ayyukan lantarki, amma honing na injiniya yana gabatar da ƙananan fashe-fashe a cikin maki maras kyau. Mafi kyau don daidaita ƙayyadaddun bayanai fiye da ɓarna sassa 47 a QA na ƙarshe.
Dubi Bayan Wurin Kafa—Dubi Haɗin gwiwar Injiniya
Kamfanin saka hannun jari na simintin gyare-gyare na bakin karfe yana samun amincewa ba lokacin da ya ce "eh," amma idan ya ce "ga yadda-kuma ga abin da za mu canza." Mun taimaka wa Jamusawa na hydraulic OEMs su sake tsara nau'ikan bawul don kawar da masu tashi makafi, yanke nauyin simintin da kashi 18% ba tare da sadaukar da matsa lamba ba. Mun jagoranci masu ginin famfo na kudu maso gabashin Asiya ta hanyar ASME Sashe na VIII Div. 2 yarda don gidaje marasa ƙarfi na duplex waɗanda ke aiki a 120 ° C da mashaya 250.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. baya sayar da simintin gyaran kafa. Yana ba da ingantattun aikin aiki-girma, ƙarfe, da aiki. Idan simintin saka hannun jari na bakin karfe na gaba dole ne ya tsira daga gajiya mai tsayi, tsayayya da rami na chloride, ko kiyaye amincin hatimi bayan zagayowar zafi 10,000, fara da gano kayan abu, ba mafi ƙarancin tsari ba. Ba a yi alkawari daidai ba. An tabbatar da-zafi ɗaya, rahoton dubawa ɗaya, gwajin matsa lamba ɗaya a lokaci ɗaya.
