Lokacin da injiniyoyi suka ƙididdige kayan haɗin Alloy 4-musamman don famfo na ruwa, bawul ɗin matsa lamba, ko tsarin mai da gas na teku-ba kawai suna ba da oda ba. Suna yin fare akan kwanciyar hankali mai girma a ƙarƙashin keken zafin jiki, amincin microstructural bayan maganin zafi, da bambancin tsari-zuwa-tsari a cikin amsawar cobalt-nickel gami. Shi ya sa "Ma'aikatar Alloy 4" ba jumlar bincike ba ce - tacewa ne. Kuma a cikin Qingdao, wurin guda ɗaya yana share shi akai-akai: QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD.
Me yasa Alloy 4 Ya Bukaci Fiye da Casting ko Machining kawai
Alloy 4-wanda galibi ana ambatonsa azaman AMS 5387 ko T800-grade cobalt-based superalloy-ba a sarrafa shi kamar 304 bakin karfe. Matsakaicin ƙarfin aikin sa yana ƙaruwa bayan nakasar kashi 10%. Matsayinsa na thermal yana zaune a ~ 12 W / m · K - kasa da rabin na aluminum. Daidaitaccen hanyoyin kayan aiki. Na'urorin sanyaya na al'ada suna ƙafe kafin yanke zafi. Mun ga shagunan sun zubar da kashi 60% na gidajen silinda na farko saboda sun yi amfani da abubuwan da aka saka na carbide da aka ƙididdige su don Inconel 718, ba AMS 5387 mafi girman juriyar lalacewa ba.
Wannan shine inda haɗin kai tsaye yake da mahimmanci-ba azaman jargon talla ba, amma azaman larura na kimiyyar lissafi. A QINGDAO QIANGSENYUAN, simintin gyare-gyare, jiyya na zafi, da CNC masu yawa suna faruwa a ƙarƙashin rufin daya. Babu handoffs yana nufin babu gibin tarihin zafi. Lokacin da abokin ciniki ya aika da zane don bututun ƙarfe na cobalt tare da ± 0.005 mm GD&T callouts akan saman taper na ciki, ƙungiyar ta tabbatar da kwararar hatsin kayan * kafin * zubowa — kuma tana daidaita dabarun mashin ɗin dangane da ainihin ƙaƙƙarfan simintin simintin (ba ƙayyadaddun ƙididdiga ba). Wannan yana yanke sake yin aiki daga makonni zuwa sa'o'i.
Ƙaƙƙarfan Ƙarfi guda huɗu waɗanda ke ƙayyade Shirye-shiryen Real Alloy 4
Ba kowane madaidaicin kantin sayar da ƙarfe ke sarrafa Alloy 4 da dogaro ba. Ga abin da ke raba tabbataccen iyawa da da'awar ƙasidar:
- Abubuwan ganowa zuwa ƙasa don narkewa: Kowane billet T800 yana ɗaukar cikakkun rahotannin gwajin niƙa - carbon, cobalt, chromium, tungsten, da abun ciki na boron waɗanda aka tabbatar da ASTM B575. Babu wasu musanya “cancantar daidai”.
- Aiki tare da zafin zafi: Magani annealing a 1175°C ±5°C ba a gudu a cikin wani daban-daban tanderu a waje-site. An jera shi kai tsaye bayan m machining, tare da sarrafa sanyaya farashin taswira zuwa kashi na karshe lissafi-mahimmanci don kauce wa sigma lokaci embrittlement a famfo gidaje flanges.
- CMM-kulle karewa: Ƙarshe na OD/ID na ƙarshe akan gidajen silinda na piston famfo an tabbatar da su ta amfani da Zeiss CONTURA G2 CMMs-tare da ƙididdigar zafin jiki da aka daidaita kullum. Ba "samfurin dubawa ba." Kowane raka'a.
- Ingantaccen aiki fiye da girma: Ba a sake fitar da filogin cobalt ba har sai ya wuce gwajin matsa lamba na hydrostatic a 1.5 × matsa lamba na aiki na minti 30-ba leaks, babu nakasar filastik. Duban gani na gani don ƙananan fashe a ƙarƙashin 10 × haɓakawa.
Inda Masu Kayayyakin Kayayyakin Jini Suka Kasa—Kuma Yadda Kisan Al'ada Ya Yi Nasara
Wasu masu siye suna ɗaukar "Alloy 4 = tsari iri ɗaya kamar Hastelloy C-276." Ba daidai ba. Injin Hastelloy tare da abinci mai ƙarfi; Alloy 4 yana buƙatar low-RPM, babban juzu'in juzu'i mai ƙarfi da sanyaya nitrogen na cryogenic. Mun taɓa samun odar gaggawa na AMS 5387 na tsakiyar shaft rollers don injin abin hawa na injiniya - abokin ciniki ya gwada masu siyarwa uku. Duk sun kasa a kan gamawar Ra <0.4 µm buƙatun bayan niƙa. Kuskuren su? Yin amfani da ƙafafun alumina. Mafita? Lu'u-lu'u-plated vitrified ƙafafun tare da 150 m/s gefe gudun da kuma ainihin lokacin dabaran dress-yi a cikin gida.
Wannan ba ka'idar ba ce. Yana da maimaitawa. QINGDAO QIANGSENYUAN's lean workflows yana ba injiniya guda ɗaya daga bita ta hanyar bayarwa. Wannan mutumin ya mallaki fassarar GD&T, yana nuna yuwuwar tsangwama tsakanin kusurwar wurin zama na bawul da daftarin simintin gyare-gyare—kafin fara kayan aiki. Babu silos. A'a "wannan ba sashen mu bane." Hanya ɗaya kawai daga zane zuwa abin da aka rufe.
Abin da “Mai Aminci” yake nufi a Ayyuka—Ba Alkawari ba
Amincewa ba game da da'awar ISO 9001 ba ne. Yana da game da isar da 127 cobalt alloy nozzles don tsarin kula da ruwa na Tekun Arewa-a kan lokaci, tare da cikakkun takaddun kayan aiki, rahotannin ƙira, da rajistan gwaji-da kuma samun abokin ciniki ya sake yin odar a cikin sa'o'i 48 saboda raka'a sifili na buƙatar daidaitawar filin.
Yana samar da 210 bakin karfe famfo tushe don kudu maso gabashin Asiya desalination shuke-shuke-kowanne tare da weld prep grooves machined zuwa ± 0.15 mm-yayin da rike ≤2% juye a fadin 18 batches.
Yana goyan bayan ƙungiyoyin R&D tare da samfurori masu saurin juyowa: ƙididdigewa na awa 72, labarin farko na kwanaki 10, cikakken rahoton FAI-ciki har da sassan giciye na ƙarfe da ke nuna tazarar hannu dendrite a cikin gidajen saka hannun jari.
Idan aikin ku na gaba ya ƙunshi Alloy 4-ko AMS 5387, T800, ko kowane bambance-bambancen cobalt-nickel da ke buƙatar sasantawa na sifili akan aiki-dama Alloy 4 factory ba zai hadu da ƙayyadaddun bayanai ba. Zai yi tsammanin yanayin gazawar da ba ku yi ƙira ba tukuna. Wannan shine bambanci tsakanin mai kaya da abokin tarayya.
