Ha lienjiniere li hlakisa a fektheri ea ho kenya li-valve, ha se feela ho laela likarolo-ba khetha molekane ea khonang ho mamella ± 0.005 limilimithara tlas'a meroalo ea hydraulic ea 300-bar, ho hanyetsa cobalt-alloy galling libakeng tse hlabang tsa slurry, le ho fana ka traceability e feletseng ea thepa ho fihlela palo ea mocheso. Eo ke 'nete ea ts'ebetso-eseng puo ea papatso.
Re bone merero e mengata haholo e emisoa hobane morekisi ea "tšoanelehang" ha a khone ho tsitsisa microstructure ho AMS 5387 cobalt alloy ka mor'a ho etsa matsete, kapa ho toloka hampe ha li-callouts tsa GD&T holim'a ntlo ea valve ea khatello-e lebisang ho lutla ha setulo pele ho nako likopanong tsa pompo tse lebōpong la leoatle. Ho QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., tseo ha se linyeoe tse mpe. Ke lintlha tsa ho lekanya letsatsi le letsatsi.
Hobaneng ha Material Mastery e Hlalosa Ts'ebetso ea ho Kena ka Valve
Li-alloys tsa cobalt-nickel tse kang T800 le AMS 5387 ha li sebelise mochine o kang 304 o se nang lesela. Sekhahla sa bona sa ho thatafatsa mosebetsi se feta 400% ka mor'a ho khaola qalong; Thermal conductivity e lutse ho 12 W/m·K—ka tlase ho halofo ea aluminium. Ntle le taolo ea phekolo ea pele ho mocheso, khatello e setseng e le 'ngoe e ka senya sephahla sa valve ea 120-mm-diameter ka 0.03 mm pele ho sila ho qetela. Re e lekantse. Habedi.
Ke ka lebaka la rona fektheri ea ho kenya li-valve ha e fane ka lisebelisoa tsa metallurgy. Re kopanya lipotoloho tsa mocheso le bafani ba thepa e tala ba netefalitsoeng, re netefatsa sehlopha se seng le se seng ka tlhahlobo ea spectrographic (ASTM E1086), 'me re boloka ts'ebetso e felletseng ho tloha ho logot ho isa karolong e felileng. Ha moreki oa Norway a tlaleha hore cavitation ea nakoana ka li-valve tsa pompo ea piston e phahameng, re ile ra fumana sesosa sa ho qhalakanngoa ha carbide ka sebōpi se le seng-eseng phoso ea moralo, empa karohano ea moeli oa lijo-thollo. Ketso ea ho lokisa: nako e ntlafalitsoeng ea ho koloba + tsela e pholileng ka mor'a anneal. Ho pheta-pheta li-unit tse 17,000.
Khokahano e Otlolohileng Ha se Buzzword-Ke Inshorense ea Dimensional
U ke ke ua netefatsa ± 0.008 mm ho pota-pota polaka ea alloy ea cobalt haeba shrinkage ea ho lahlela e sa etsoa hammoho le CNC toolpath deflection. Ke moo liketane tsa phepelo tse arohaneng li hlolehang. Setsi sa rona se sebetsana le ho lahla lehlabathe, ho etsa matsete, machining a li-multi-axis (5-axis ka nako e le 'ngoe), le ho qeta holim'a metsi-tsohle li le tlas'a marulelo a tiisitsoeng a ISO 9001.
Sena se bolela:
- Li-cores tse entsoeng ka har'a ntlo ea geometry ka har'a 0.015 mm - ha ho na phetoho ea data ea bahlahisi
- Mananeo a CNC a ikamahanya le maemo a thata, eseng feela boleng ba HRC
- Lapping ea ho qetela e sebelisa li-abrasives tsa daemane tse lekantsoeng ho ea ho matla a holimo a hlokahalang bakeng sa ho khomarela seal ea elastomer.
Odara ea morao-rao ea koloi ea boenjiniere ea U.S. e hloka hore 42 HRC bonyane ba thatafalloe *le* Ra ≤ 0.4 µm holim'a lebala la lebelo la 210-mm OD cylindrical. Bahlolisani ba qotsitse mehato e 'meli ea ho tsoa: ho lahleloa kae kapa kae, qeta kae kapa kae. Re fane ka tumello ea sehlooho sa pele ka matsatsi a 11-ka litlaleho tsa CMM tse bontšang ho kheloha ha cylindricity ea 0.003 mm ka bolelele ba 180 mm.
Netefatso ea 'Nete ea Lefatše e Beats Litifikeiti tsa Pampiri
Barekisi ba bang ba thathamisa "mekhoa e lumellanang le ISO." Re bonts'a hore na melaoana e shebahala joang bohareng ba tlhahiso:
- Netefatso ea thepa e kenang: Spectrometry + liteko tsa ultrasonic ho 100% ea li-cobalt alloy bar
- Tlhahlobo ea ts'ebetso: Karolo e 'ngoe le e' ngoe ea 15 e lekantsoe ho Zeiss CONTURA G2 CMM e nang le li-ruby probes tse lekantsoeng; optical profilometer e hlahloba botšepehi ba holim'a metsi ka mor'a ho feta ka 'ngoe ea ho sila
- Teko ea ho qetela ea ts'ebetso: netefatso ea khatello ea Hydrostatic ho 1.5 × e lekantsoe khatello ea ho sebetsa, ka tlhahlobo e kenang ka dae ka ASTM E165.
Bakeng sa moreki oa Europe oa oli le khase, re thehile mochini oa liteko o tloaetseng ho pheta libaesekele tsa mocheso o tlase (−20 ° C ho ea +180 ° C) le ho kenya khatello ea cyclic (0-250 bar, 5,000 cycles). Li-valve tse tharo li fetile. E 'ngoe e ile ea hloleha ho potoloha 4,217-e senola oxidation e poteletseng ea intergranular sebakeng se anngoeng ke mocheso. Re hlophisitse bocha profil ea post-weld anneal. Lotho e latelang e tsamaisitse lipotoloho tse 12,000 ntle le ho senyeha.
Seo Ha e le Hantle U se Fumanang—Eseng Seo U se Tšepisitsoeng
Haeba u hloka a fektheri ea ho kenya li-valve e fanang ka lintho tse tharo tseo ho sa buisanoeng ka tsona—ho lumellana ha lintho tse bonahalang, ho tšepahala ho sa lekanyetsoang tlas’a mojaro, le ho fana ka li-zero-surprise—QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. e sebetsa moo theory e kopanang le wrench ea torque.
Re ts'ehetsa lits'ebetso tsa prototype ho qala ka likotoana tse 5, liodara tsa molumo o mahareng ho fihla ho li-unit tse 5,000 / selemo, le maikutlo a felletseng a DFM nakong ea lihora tse 48 tsa ho fana ka tlhahiso-ho kenyeletsoa le licheke tsa GD&T, lintlha tsa bokhoni ba lisebelisoa, le litlhahiso tse ling tsa alloy (mohlala, ho fetoha ho tloha ho T800 ho ea ho L605 moo ho hlokahalang matla a ho hanyetsa).
Tsepamiso ea rona e ntse e le moqotetsane: likarolo tsa indasteri tse nang le li-alloy tse ngata moo ho hlōleha e seng khetho. Li-valve tsa khatello. Mehaho ea li-cylinder tsa pompo. Winch shaft rollers. Li-nozzles tsa Cobalt bakeng sa ts'ebeletso ea khoholeho ea lebelo le holimo. Ha ho letho le leng. Tsepamiso eo e chorisa qeto e 'ngoe le e' ngoe - ho tloha khethong ea spindle ho ea khafetsa ea tlhahlobo.
Sheba pele: Re ntse re holisa R&D hore e be li-workflow tsa hybrid casting-machining bakeng sa lijeometri tse rarahaneng tsa kahare, re phehella setifikeiti sa AS9100 bakeng sa lits'ebetso tsa li-valve tsa sefofane, le ho tebisa ts'ebetso ea nako ea nnete ka li-sensor tse kenelletseng tsa mogote ka har'a hlobo e matla ea ho lahla. Empa ntho e tlang pele kajeno e lula e sa fetohe—ho fana ka kenyelletso e tiisang, e potolohang, le e tšoarellang—hantle feela joalokaha ho boletsoe.
