Ha pompo ea haeteroliki e hloleha sebakeng sa oli e ka thōko ho leoatle—kapa pompo ea winch e ka kena ka har’a mochine o epang merafong—ke seoelo sesosa sa motheo e leng se entsoeng ke moralo. E apere. Eseng feela moaparo leha e le ofe: micro-abrasion, galling, mokhathala o chesang tlas'a meroalo ea cyclic ea 300 ° C. Ke hona moo Stellite 6 likarolo fektheri bokhoni bo emisa ho ba boikhethelo. E fetoha phapang lipakeng tsa lihora tse 8,000 tsa ts'ebeletso le ho hloleha ha tšimo ho kotsi.
Re akhetse li-nozzles tsa Stellite 6 bakeng sa lisebelisoa tsa ente ea acid e phahameng ka khatello e phahameng Saudi Arabia-'me re li shebelletse ho feta meloko e meraro ea mekhoa e tloaelehileng e sa hloekang. Re entse mochini oa AMS 5387 piston cylinder cylinder housings bakeng sa li-OEM tsa Jeremane tse neng li batla ±0.015 mm chitja ka bophara ba 200 mm, tse nang le Ra ≤0.4 µm ka mor'a ho sila la ho qetela. Tsena ha se lintlha tsa theory. Ke matšoao a letsatsi le letsatsi setsing sa rona sa mochini se netefalitsoeng sa ISO se Qingdao.
Stellite 6 ha se "alloy e 'ngoe feela ea cobalt." Sebopeho sa eona-hoo e batlang e le 65% Co, 28% Cr, 4% W, hammoho le Ni, Fe, le C-e etsa matrix a chromium carbides e thata e kentsoeng ka tharollo e thata ea cobalt. Seo se e fa khanyetso e ke keng ea lekanngoa khahlanong le tšepe ea tšepe ho ea ho tšepe, ho bola libakeng tse nang le chloride e ngata, le ho nolofala ha mocheso ho fihlela ho 500 ° C. Empa sena ke seo bareki ba bangata ba se hlokomolohang: ho lahla Stellite 6 ha ho tšoane le tšepe ea ho lahla. Sebaka sa eona se phahameng sa ho qhibiliha (1,290-1,350 ° C), metsi a tlaase, le ho fokotseha ho feteletseng ho hloka hore ho be le sebaka se khethehileng, taolo e nepahetseng ea mocheso oa hlobo, le phekolo ea mocheso oa post-cast homogenization. Tlola mohato ofe kapa ofe-'me u fumana porosity, carbide segregation, kapa brittle interdendritic phases. Re bone bareki ba hana 40% ea lihlahisoa tsa pele tse tsoang ho barekisi ba sa tšoanelehang. Sehlahisoa sa rona ho tse rarahaneng tsa matsete a Stellite 6 se sebetsa ho 92% + hobane re laola mofuta o mong le o mong: netefatso ea thepa e tala (li-alloys tsohle tsa T800-grade cobalt tse ka lateloang litlalehong tsa tlhahlobo ea leloala), ho fumana li-ingot tse qhibilihisitsoeng ka vacuum-melted, le profiling ea nako ea nnete ea mocheso nakong ea ho tiisa.
Khokahano e otlolohileng e arola lifeme tse tšepahalang tsa likarolo tsa Stellite 6 ho barekisi ba thepa. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., ho etsa, CNC machining, le ho qeta ho etsahala tlas'a marulelo a le mong - ka metrology e arolelanoang, tlhaloso e kopaneng ea GD&T, le tieho e se nang thuso. Ha moreki a romella setšoantšo bakeng sa polaka ea alloy ea cobalt e sa tloaelehang e nang le liteishene tse futhumatsang tsa asymmetric le mamello ea boemo ba 0.008 mm ho likarolo tse hlano tse khoele, ha re fane ka phetisetso. Re e tsamaisa ho 5-axis DMG MORI NTX 1000 ea rona, re sebelisa lisebelisoa tse nang le lintlha tsa PCD tse ntlafalitsoeng bakeng sa li-alloys tsa cobalt, ka laser e sebetsang e lekola ho netefatsa botenya ba lebota pele ID e sila. Ha ho morekisi oa kantle ea utloisisang hore na khatello ea maikutlo e setseng e tsoang ho lahla e ama joang ho sotha ha machining ho 'mele oa li-valve tse bolelele ba 320 mm. Re etsa joalo-hobane rea e lahlela, re e tšoara ka mocheso, re e kenya mochine, 'me re e hlahloba ka lenaneo le tšoanang la CMM ho tloha qalong ho fihlela qetellong.
Ts'ebetso ea 'nete ea lefats'e e its'etleha ho tse tharo tseo ho sa buisanoeng ka tsona—eseng likopo tsa ho bapatsa. Ea pele: botsitso ba lintho tse bonahalang. Lotho e 'ngoe le e' ngoe ea Stellite 6 e etsoa tlhahlobo ea spectrographic, 'mapa o thata ho pholletsa le likarolo tse fapaneng, le netefatso ea boholo ba lijo-thollo tsa ASTM E112. Ea bobeli: botshepehi ba dimensional. Re netefatsa libaka tse mahlonoko re sebelisa li-profilometer tsa optical-eseng feela li-CMM-ho tšoara micro-topography e amang botšepehi ba tiiso. Ea boraro: netefatso ya tshebetso. Pele ho romelloa, valve e 'ngoe le e' ngoe ea khatello e etsa tlhahlobo ea hydrostatic ho 1.5 × e lekantsoeng khatello ea ho sebetsa; ntlo e 'ngoe le e' ngoe ea pompo e hlahlojoa ho lutla ka helium mass spectrometry. Bareki ba Amerika Leboea le Europe ha ba kope litifikeiti - ba kopa litlaleho tsa liteko tse ikhethileng tse nang le litempe tsa linako, li-ID tsa basebelisi le litempe tsa ho lekanya lisebelisoa. Re ba lopolla.
Haeba ts'ebeliso ea hau e kenyelletsa li-slurries tse hlabang, mouoane oa mocheso o phahameng, kapa phallo ea cyclic ka holimo ho 200 MPa, Stellite 6 ha e sebetse ho feta tekano. Ke inshorense. Empa inshorense e sebetsa feela ha mofani a e-na le phihlelo e netefalitsoeng-eseng libukana feela. Batla katleho e tlalehiloeng lekaleng la hau: likopano tsa pompo bakeng sa lits'ebetso tsa subsea, li-winch center shaft rollers bakeng sa li-cranes tse boima, kapa li-nozzle tsa cobalt alloy bakeng sa limela tsa ho ntša letsoai. Lekola hore na ba na le tumello ea ts'ebetso ea AMS 5387 - eseng feela litifikeiti tsa thepa. Netefatsa hore na lirekoto tsa bona tsa boleng li kenyelletsa traceability e felletseng ho fihlela palo ea mocheso oa cobalt ingot. Ebe u bapisa taeo ea ho tsamaisa thepa: na ba ka tšoara lifensetere tsa matsatsi a ± 3 ka liodara tsa molumo o mahareng ntle le ho potlakisa litefiso? Eo ke tshaeno ea 'nete Stellite 6 likarolo fektheri- eseng lebenkele la mesebetsi le nang le letlapa la alloy ea cobalt.
