Ha lienjiniere li hlakisa tšepe e sa hloekang bakeng sa li-valve tsa hydraulic tse nang le khatello e phahameng kapa li-winch shafts tse sa sebetseng, ke ka seoelo ba khonang ho fumana limaraka tse tloaelehileng. Ba hloka microstructural consistency, haufi-net-shape complexity, le dimensional stability tlas'a thermal cycling-maemo moo ho qhekella kapa mochine o fokolang o haellang. Ke ka lebaka leo lihlopha tse ngata tsa meralo li retelehelang ho phofo metallurgy tšepe e sa hloekang- eseng joalo ka mokhoa o mong, empa e le tharollo ea mantlha bakeng sa likarolo tse nepahetseng tsa boromuoa. 'Me setsi se seng se phethahatsang tšepiso eo kamehla ke QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD.
Powder Metallurgy Stainless Steel: Moo Precision e Kopanang le Taolo ea Metallurgical
Re bone bareki ba khutla ka makhetlo a mararo ba e-na le mochine o tšoanang oa li-valve-ho qala ka mochine ho tloha ho bar stock, ebe ba kenya lichelete, qetellong ba nang le phofo ea metallurgy (PM) tšepe e sa hloekang. Phetoho e 'ngoe le e' ngoe e rarollotse bothata bo le bong empa ea hlahisa e 'ngoe: ho lokisa ho siea khatello ea kelello likarolong tse tšesaane tse nang le marako; ho lahla ho hlahisitse porosity mateanong a litsela tsa phallo; PM e fane ka boima ba 'mele> 99.5% le ho tšoana ha lijo-thollo ho pholletsa le botenya ba 0.05 mm. Phapang e ne e se ts'ebetso feela - e ne e le ho pheta-pheta ho pholletsa le lihlopha tse 500 ntle le ho tšoaneleha.
PM tšepe e sa hloekang ha e siretsoe 316L mme e bitsoa e entsoe. E qala ka li-powders tse kentsoeng pele tsa atomized tsa khase-hangata 17-4PH, 15-5PH, kapa mefuta e fapaneng ea Cr-Ni-Mo-Cu-e hlahlobiloeng ho ± 5 µm kabo ea likaroloana. Ho QINGDAO QIANGSENYUAN, compaction e sebelisa likhatiso tse sebetsang habeli tse nang le leihlo la nako ea 'nete, eseng lithane tse tsitsitseng. Sintering e etsahala ka liboping tsa vacuum tse nang le phoka e laoloang (<-40 ° C) le litekanyetso tsa marang-rang ≤5 ° C / min ho thibela pula ea chromium carbide. Sephetho? Thepa e nang le matla a lihlahisoa 20-30% e phahameng ho feta limaraka tse lekanang tse entsoeng, li-voids tsa ka hare tsa zero tse ka bonoang ke tlhahlobo ea ultrasonic ho 10 MHz, le ho hlaba ha holimo Ra ≤1.6 µm as-sintered-ha ho na ho sila ha bobeli ho hlokahalang bakeng sa libaka tse sa tiisitsoeng.
Ke Hobane'ng ha "Fektheri" e le Bohlokoa ho Feta "Mofani"
Barekisi ba bang ba tsoa sintering. Ba bang ba sebetsana le machining a ho qetela feela. A 'nete feme ea tšepe ea phofo ea tšepe e sa hloekang e na le ketane e felletseng-ho tloha ho rasiti ea phofo ho ea tekong ea ts'ebetso-'me QINGDAO QIANGSENYUAN e etsa joalo hantle. Setsi sa bona sa Qingdao se kopanya mela ea PM e netefalitsoeng ea ISO 9001 le lisele tsa CNC tse 5-axis, lionto tse futhumatsang mocheso tse lekantsoeng ho AMS 2750E, le lilab tsa metrology tse nang le CMM tse tsamaisang litsamaiso tsa Zeiss CONTURA G2.
Taolo ena e otlolohileng e felisa lintlha tse peli tse tloaelehileng tsa ho hloleha: Ea pele, traceability ea lintho tse bonahalang. Sehlopha se seng le se seng se na le li-MTR tse felletseng - eseng feela data e tsitsitseng, empa masalla a oksijene / naetrojene, litlaleho tsa tlhahlobo ea sieve, le likutu tsa sepakapaka sa sintering. Ea bobeli, botšepehi ba geometri. Ha moreki a kopa ntlo ea cylinder ea pompo ea piston e nang le likou tse 8 tsa radial coolant, ± 0.01 mm boemo ba mamello, le libaka tse tiisitsoeng tse thata, sehlopha se ile sa ntlafatsa karolo e tala ea geometry, 'mapa oa matšeliso a sinter shrinkage, le tokiso ea ho sotha ha mocheso ka mor'a sinter-tsohle pele ho sehoa lisebelisoa.
Lisebelisoa tsa 'Nete, Eseng Feela Linomoro tsa Catalog
Sheba ka nģ'ane ho li-database. Lits'ebetsong tsa 'nete, likarolo tsa bona tse se nang tšepe tsa PM li rarolla mathata a itseng a tšimo:
- Li-valve tsa ho theola oli le khase: AMS 5387 cobalt-chromium alloy nozzles e mamella maemo a 120 ° C H₂S ha e ntse e boloka concentricity ea setulo ka mor'a khatello ea 50,000-e tiisitsoe ka liteko tsa API RP 14D hydrostatic endurance.
- Boenjiniere li-winch center shafts: Likarolo tsa PM tse thehiloeng ho T800 li sebetsa ka 3 × nako e telele ho feta litekanyo tsa maiketsetso litekong tse potlakisang tsa ho roala ka letsoai-spray, ka lebaka la ho hasana ha carbide ho tlosa litsela tse khethehileng tsa ho apara.
- Li-impellers tsa pompo tsa lebelo le phahameng: Mehaho ea Net-shape sintered 17-4PH e fokotsa nako ea kopano ka 65% khahlanong le meralo e entsoeng ka likotoana tse ngata, ntle le ho lutla ha gasket khatellong ea 450 bar.
Tsena ha se melemo ea khopolo-taba. Ke liphetho tse netefalitsoeng ka litlhahlobo tse tsamaisoang ke bareki - eseng lipapiso tsa lab feela.
Seo Baenjiniere Ha e le Hantle ba Lokelang ho se Tseba Pele ba se Hlalosa
Lintlha tse tharo tse sebetsang li theha merero e atlehileng ea PM:
- Moralo bakeng sa sintering pele: Li-undercuts tse tebileng ho feta 3 × botenya ba lebota li hloka machining a bobeli. Bonyane radius ke 0.2 mm-eseng 0.05 mm joaloka EDM. Re eletsa tlhahlobo ea GD&T ea pele re sebelisa ts'ebeletso ea bona ea mahala ea tšehetso ea boenjiniere.
- Phetoho ea boholo ba palo ea moruo ho li-unit tse 250: Ka tlase ho moo, theko ea lisebelisoa e etsa hore PM e be theko e boima ho feta CNC. Ka holim'a eona, kakaretso ea litšenyehelo e theohile ka 18-22% ka lebaka la 70% ea litšila tse tala tse tlase le 40% e khuts'oane ea linako tsa ho etella pele.
- Qetello ea bokaholimo ha se boikhethelo - e ea sebetsa: Libaka tse nang le li-sintered li kopana le ISO 13715 bakeng sa libaka tseo e seng tsa bohlokoa, empa lifahleho tsa ho tiisa li lula li le tlas'a vibratory finishing + electropolishing ho Ra ≤0.4 µm. Ha ho mekhelo.
Ha ba sutumelletse PM moo e sa lokelang—joaloka libakete tse kholo tsa meaho kapa matlo a khatello e tlase. Tsepamiso ea tsona e lula e le moqotetsane: likarolo tse sebetsang hantle tse sebetsang hantle moo ho kopanang, ho hanyetsa ho bola, le botsitso ba sebopeho.
Ho Sheba Pele: Ho Tloha Fekthering ho ea ho Foundry-Machining Hybrid Partner
Moeli o latelang ha o betere PM feela - ke tlhahiso e nyalisitsoeng. QINGDAO QIANGSENYUAN e se e ntse e ts'oanela mekhoa e kopantseng: ho kenya setopo se haufi le letlooa, ebe se etsa cladding ea laser ea Stellite 6 sebakeng sa ho tiisa, e lateloa ke ho phethola seta e le 'ngoe ea CNC. Sena se felisa ho se lumellane ha mocheso pakeng tsa lisebelisoa tsa motheo le tse holim'a metsi-e leng sesosa se tsejoang sa ho phatloha pele ho nako lits'ebetsong tse phahameng.
Bakeng sa baenjiniere ba hlahlobang barekisi, botsa lipotso tse tharo: Na ba ka u bontša li-logs tsa sepakapaka bakeng sa odara ea hau ea ho qetela? Na ba etsa li-in-process density checks-eseng feela ho netefatsa karolo ea ho qetela? Mme na ba tla kopanya pokello ea hau ea GD&T pele ho tobetsa ho qala? Haeba karabo ke e ho tse tharo, u sebetsa le feme ea tšepe ea phofo ea tšepe e sa hloekang- eseng feela morekisi e mong. Phapang eo e hlalosa ho ts'epahala ha ts'ebetso e ke ke ea senyeha.
