Ho khetha se nepahetseng fektheri e lahlehileng ea lisebelisoa tsa boka ha se taba ea ho bapisa lintlha tsa lethathamo la likhakanyo - e mabapi le ho bapisa taeo ea ts'ebetso le karolo ea thomo. Re bone matlo a mangata haholo a li-valve tsa hydraulic a hlōleha litekong tsa tšimo eseng ho tloha mefokolong ea moralo, empa ho tloha ho microstructure e sa tsitsang sethaleng sa ho kenya lichelete. Ho se lumellane hoo ho qala nako e telele pele khetla e tlosoa - khutlela mokatong oa fektheri moo ho nepahala ha mohlala oa boka, ceramic slurry rheology, le li-profiles tsa sebōpi li laoloang e le mefuta e fapaneng, eseng mehato e ikemetseng.
Hobaneng ha "Lost Wax" e se Ts'ebetso Feela-Ke Boitlamo ba Tsamaiso
Katleho ea 'nete e lahlehileng ea ho lahlela boka e hloka ho kopanngoa ho emeng: ho etsa mohlala, ho haha likhetla, ho ntša metsi, ho thunya, ho tšollela, ho kokota, le ho sebetsa ka mor'a mochine ho tlameha ho bua puo e tšoanang ea metallurgical. Feme e fanang ka tlhahiso ea likhetla kapa e itšetlehileng ka potoloho ea sebōpi se tloaelehileng e ke ke ea tiisa hore likarolo tsa AMS 5387 cobalt alloy li na le botsitso ba ± 0.05 mm kamora kalafo ea mocheso. Re lekanyelitse ho khopama ha mocheso ho fihla ho 0.18 mm ka li-cylinder housings ha litsela tsa dewaxing li feta 1.2°C/min—lintlha tse tiisitsoeng litlhahlobong tse tharo tsa bareki Amerika Leboea le Jeremane.
Ke ka lebaka leo maemo a holimo fektheri e lahlehileng ea lisebelisoa tsa boka balekane ba tsetela ho taolo ea tikoloho e koetsoeng - eseng feela bakeng sa mongobo nakong ea stucco, empa bakeng sa tlhahlobo ea khatello ea nako ea 'nete ea oksijene lits'ebetsong tse thusoang ke vacuum. Ba lekanya botenya ba khetla ea ceramic ka li-gauge tsa ultrasonic, eseng likhakanyo tsa pono. Ba netefatsa sehlopha se seng le se seng sa T800 alloy khahlano le ASTM E1479 spectral baselines — eseng feela litlaleho tsa tensile.
Bareki ba bangata ba hlokomoloha botlolo e le 'ngoe ea bohlokoa: nako ea ho omella ha khetla. Ho omisa ka potlako ho baka li-microcracks tse sa bonahaleng ka leihlo le hlobotseng empa e le koluoa ka tlas'a 350-bar hydraulic cycling. Lifeme tse sebelisang lithanele tsa moea o qobelloang ntle le taolo ea phoka li bona 22% ea litekanyetso tse phahameng tsa ho hana likhetla. Ho lokisa? Likamore tse nang le lebelo le tlase, tse nang le phoka-tse sa tsitsang-tse sa buisaneng bakeng sa likarolo tsa pompo tse nepahetseng joalo ka matlo a cylinder pump piston.
Tse 'ne Tse sa Buisanoeng Tseo U Lokelang ho li netefatsa
Pele o saena NDA, kopa phihlello e felletseng ea libaka tsena tse nne tsa tlhahlobo:
- Wax Pattern Metrology: Na ba sebelisa li-CMM tse lumellanang le ISO 10360 tse nang le 5-μm probe repeatability ho li-wax masters-eseng feela li-castings tsa ho qetela?
- Tlhahlobo ea Botšepehi ba Shell: Na ho khoneha ha khetla ho lekantsoe ka ASTM C1148, eseng feela "ho feta / ho hloleha"?
- Tšela Taolo ea Mocheso: Na ba ka khona ho etsa hore mocheso o qhibilihe ka har'a ± 3 ° C ho tšela lik'hilograma tse 100-'me ba e paka ka litifikeiti tsa pyrometer calibration tse lateloang ho NIST?
- Ho Tracking ea Post-Cast Dimensional Stability: Na ba tlaleha phetoho ea mantlha, katoloso ea hlobo, le litlamorao tsa sekhahla sa ho pholisa litlalehong tsa bona tsa FAI — eseng feela litekanyo tsa ho qetela?
Ka nako e 'ngoe re ile ra latela tsela e lutlang khafetsa ka har'a li-nozzles tsa cobalt alloy ho botenya bo sa tsitsang ba khetla nakong ea phetoho ea radius ea 3-mm. Motso oa sesosa? Roboto e sa tsitsang e nang le moaparo o sa tsitsang oa nozzle. Ho nkela sebaka sa karolo e le 'ngoe e sehiloeng ka 68%. Precision ha e futsitsoe - e entsoe ka seteishene se seng le se seng.
Moo Machining le Casting li Kopanang—Le Hobaneng ho le Bohlokoa
E matla ka ho fetisisa fektheri e lahlehileng ea lisebelisoa tsa boka ha e eme hekeng. E kenya lisebelisoa tsa bohlokoa tsa ho tiisa * tikolohong e ts'oanang ea mocheso * joalo ka ho lahla. Hobaneng? Hobane phomolo e setseng ea khatello ea maikutlo ho tsoa ho milling ea CNC e fetola kabo ea microhardness ho lisebelisoa tsa AMS 5387. Re hlokometse liphetoho tsa HRC tsa lintlha tse +4.2 holim'a libaka tse entsoeng ka mochine ha ho siloa ho etsahala lihora tse 48 ka mor'a ho tšeloa ha ho bapisoa le ho phekola hang-hang ka mor'a mocheso.
Mona ke moo bokhoni bo kopaneng bo fetohang qeto. Lifeme tse sebetsanang le ho kenya chelete ka bobeli le CNC ea li-multi-axis setsing se le seng se tiisitsoeng sa ISO se felisa ho khopama ho bakoang ke phetisetso. Ba boloka tumellano ea GD&T lipakeng tsa data ea ho lahlela le likarolo tse entsoeng ka mochini - ha ho na ho lokisoa bocha, ha ho phetoho ea data. Bakeng sa li-valve tsa khatello tse hlokang botsitso ba setulo sa ASME B16.34, seo ha se bonolo. Ke bophelo bo sebetsang.
Boemo ba ho qetela bo bohlokoa ho feta litlolo. Ra ≤ 0.4 μm holim'a lifahleho tse ntseng li phahama tsa pompo li fokotsa ho phalla ha gasket tlas'a libaesekele tse futhumetseng. Ho finyella seo ho hloka hore ho fokotsehe ho sisinyeha ho laoloang liteisheneng tse qetellang—eseng feela litsela tse mabifi tsa lithulusi.
Sheba ka Nģane ho Setifikeiti—Hlahloba Setso
ISO 9001 ke litekanyetso tsa tafole. Se arolang batšoantšisi ba maemo a holimo ke tsela eo ba tšoarang liphapang ka eona. Botsa: Ha khetla e petsoha nakong ea ho ntša boka, na baenjiniere ba emisa mohala, sesosa sa 'mapa ka litšoantšo tsa lesapo la tlhapi, ebe ba nchafatsa li-SOP nakong ea lihora tse 24—kapa ba mpa ba lokisa beche? Re latela sena ka nako ea karabelo ea tlhahlobo: lifeme tse holimo li rarolla ho se lumellane ka lihora tse ≤38; mabenkele a tloaelehileng a nka matsatsi a 5.2.
Ho lateloa ha lintho tse bonahalang ha se polokelong ea litaba - ke li-ID tsa batch tse kentsoeng ka laser ho e 'ngoe le e 'ngoe, tse netefalitsoeng khahlanong le litlaleho tsa tlhahlobo ea leloala pele li qhibiliha. Ho QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., e 'ngoe le e 'ngoe ea T800 cobalt alloy casting e na le lintlha tse felletseng tsa ts'ireletso: qhibiliha ID ea sebōpi, letsatsi la ho tšela, nomoro ea khetla, kolone ea potoloho ea mocheso, le lifaele tsa CMM-tsohle li fumaneha ho bareki ka portal e sireletsehileng.
Bokamoso ke ba lifeme tse tšoarang boka bo lahlehileng e seng bonono ba lefa, empa e le mahlale a lisebelisoa tse laoloang ke dijithale. Seo se bolela ho bolela esale pele ka slurry viscosity e tsamaisoang ke AI, netefatso ea mafahla a dijithale ea li-gradients tsa mocheso, le likarolo tse ikhethileng tsa bofokoli lifiliming tsa X-ray. Ho bolela ho hana "ho lekana" bakeng sa "ho phetheha hantle" -hobane ka oli le khase kapa li-hydraulic tse nang le khatello e phahameng, ha ho na moeli bakeng sa "haufi."
