Lokacin da injiniyoyi ke buƙatar daidaitattun sassan ƙarfe waɗanda ke tsira 30,000 psi hawan keke ko 650°C iskar gas mai shayewa, ba sa farawa da ƙayataccen tushe. Suna farawa da a rasa kakin zuma sabis factory wanda ke kula da nozzles na cobalt kamar kayan aikin tiyata-kuma ya san daidai yadda tsarin hatsi na AMS 5387 ke amsa girgizar zafi yayin lalatawar.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana daya irin wannan masana'anta. Ba dillali ba. Ba kamfanin ciniki ba. Aikin hannu, mai yarda da ISO a cikin Qingdao inda masana masana'antar ƙarfe ke daidaita ɗanɗanowar slurry dangane da zafi na yanayi-kuma masana'antun sun sake fitar da sifili na axis guda biyar kafin yanke T800 na tushen cobalt don tsarin winch na teku. Mun ga abokan ciniki sun yi asarar makonni uku da $ 18,000 a cikin sake yin aiki saboda mai siyar da su na farko ya tsallake ingantaccen simintin GD&T. A wannan wurin, ana kama haɗarin girma kafin tsarin kakin zuma na farko ya yi ƙarfi.
Tsarin simintin kakin da suka ɓace ba wai kawai "zuba jari ba ne." Yana da tsarin haɗe-haɗe: ingantattun albarkatun albarkatun ƙasa → ƙirar ƙirar yumbura da aka kunna don haɓakar haɓakar haɓakar gami da haɓakar haɓakar haɓakar haɓakawa → vacuum-taimakawa zubar da superalloys a ± 5°C haƙuri Don bawul ɗin matsa lamba ko gidajen silinda na famfo piston, wannan yana nufin bambancin kauri na bango yana tsayawa ƙarƙashin ± 0.15 mm-har ma akan 420 mm OD simintin gyare-gyare tare da tashoshi masu sanyaya ciki. Babu zato. Babu juzu'i-zuwa-tsari. Kowane yanki na zafi yana ɗaukar cikakkun rahotannin yanayi da takaddun shaida na gwaji.
Menene ya raba su da ma'auni na asali? Haƙiƙanin aiki guda uku:
- Alloy horo — ba kawai iyawa. Ba sa yin amfani da alluran cobalt-nickel. Suna gudanar da wuraren tanderun da aka keɓe don AMS 5387, tare da keɓaɓɓun crucibles, ladles, da ka'idojin sarrafa slag don hana cutar giciye tare da maki mara kyau. Lokacin da abokin ciniki ya aika a cikin zane don filogi na cobalt ba daidai ba tare da juriya na matsayi na 0.05 mm akan tashar jiragen ruwa guda shida, ƙungiyar ba ta faɗi makaho ba. Sun gudanar da taron kakin zuma na izgili, an tabbatar da sanya ƙofa ta hanyar kwaikwaiyo, da kuma tabbatar da lokacin ƙonewar harsashi-kafin amincewa da PO.
- Babu hannun jari tsakanin simintin gyaran kafa da injina. Yawancin masu samar da kayayyaki suna fitar da aikin CNC bayan yin simintin. Anan, injiniyan inganci iri ɗaya ya yi rajista akan duka simintin simintin simintin gyare-gyare (Ra ≤ 3.2 μm) da datum ɗin injin na ƙarshe (CMM-tabbace zuwa ± 0.01 mm). Wannan yana kawar da kurakuran tarawa lokacin da ake juyar da flange mai hawa tushe na famfo da kuma ɗaure cikin saiti ɗaya-mahimmanci ga amincin hatimin na'ura mai aiki da karfin ruwa.
- Fahimtar yanayin gazawa an gina shi cikin kowane mataki. Don simintin ƙarfe da bakin karfe da ake amfani da su a cikin kayan mai da iskar gas, suna yin gwajin shigar ruwa *bayan* harbe-harbe amma *kafin* machining — kama ƙaramin ƙarar porosity wanda niƙa zai rufe. Idan ɓangaren alloy na T800 yana nuna abubuwan da ke cikin ƙasan oxide a ƙarƙashin binciken ultrasonic, an goge shi-ba “sake yin aiki ba.” Domin a cikin aikace-aikace masu mahimmancin manufa, "mai kyau" ya kasa yin shiru-kuma cikin bala'i.
Wasu na iya jayayya cewa simintin yashi yana ba da saurin juyawa don manyan simintin ƙarfe. Amma lokacin da sashin ya kasance abin nadi na cibiyar winch wanda ke aiki a ƙarƙashin nau'in torsional na cyclic, amincin juzu'i yana da mahimmanci fiye da sauri. Kakin kakin da ya ɓace yana ba da sifofi na kusa-net tare da bangon da ba shi da daftarin aiki, yana kawar da injiniyoyi na biyu akan filaye masu ɗaukar nauyi. Kuma a — yana da ƙarin farashi gaba. Amma abokin ciniki ɗaya ya rage jimillar kuɗin kowane bawul da kashi 22% bayan an canza: ƴan tarukan da aka ƙi, filaye sifili, da tsawaita rayuwar sabis daga watanni 14 zuwa watanni 36+ a cikin mahalli-yashi.
Wannan ba ka'idar ba ce. Yana da maimaitawa. Kasan samar da su yana gudanar da ayyuka masu dogaro da kai - ba a matsayin taken ba, amma azaman aikin yau da kullun. Ana jigilar samfura a cikin kwanakin aiki 12. Matsakaici-umarni (pcs 50-500) suna riƙe windows isar da kwana 3 - garanti a rubuce. Gudanar da aikin ya haɗa da alamar zane na ainihin-lokaci, ƙudurin rikici na GD&T, da bayanin ƙira a cikin sa'o'i 48 na ƙaddamar da RFQ. Babu ambaton akwatin baki. A'a "za mu gane shi daga baya." Daidaita aikin injiniya kawai daga rana ɗaya.
Duban gaba, mayar da hankali yana ƙara kaimi: zurfin R&D cikin jerin gwanon injina na masana'anta don gidajen famfo mai katanga mai kauri, faɗaɗa takaddun shaida don amincewar kayan aikin sararin sama, da haɗaɗɗun haɗe-haɗe na hoto mai zafi a cikin tsari yayin harba harsashi. Amma ainihin ba ya canzawa - ma'anarsu na gaskiya rasa kakin zuma sabis factory ba game da ƙayyadaddun kayan aiki ba ne. Yana da game da mallakar sakamakon kowane micrometer, kowane haɗawa, kowane yanayin zafi. Domin lokacin da sashinka ya riƙe galan 5,000 na ruwan teku - ko kuma ya daidaita kwararar mai a cikin injin injin injin da kuka zaɓa ba ya samar da ƙarfe. Yana ba da aminci.
