Feme e 'ngoe le e' ngoe ea tšepe e qala ka potso e tšoanang: U fetola tšepe e qhibilihisitsoeng joang hore e be karolo e ke keng ea petsoha tlas'a 300 bar ea hydraulic pressure-kapa ho phela lihora tse 10,000 tšebeletsong ea khase e bolila? Ho QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., re akhetse le ho etsa mochini o fetang 12,000 li-valve tsa khatello, li-piston pump housings, le li-nozzles tsa cobalt-alloy ho tloha ka 2015. Re bone hlobo ea lehlabathe e hlōleha ho mocheso oa 1,150 ° C. Re lahlile 47% ea sehlopha sa AMS 5387 ka mor'a hore tlhahlobo ea microstructure e senole karohano ea interdendritic. Tsena ha se linyeoe tsa libuka-ke liqeto tsa letsatsi le letsatsi tse hlalosang metheo ea fektheri ea ho lahla tšepe ts'ebetso.
Botšepehi ba Lintho Tse Bonahalang ha bo Nahane—Boa Tiisitsoe
Ha o khone ho lahlela likarolo tse sebetsang hantle ho tsoa ho "tšepe e sa hloekang e tloaelehileng." Setsing sa rona sa Qingdao, mocheso o mong le o mong oa motsoako oa T800 o thehiloeng ho cobalt o fihla o na le litlaleho tse felletseng tsa tlhahlobo ea leloala-'me re lekola botjha khabone, chromium le tungsten pele e qhibiliha. Hobaneng? Hobane ho kheloha ha 0.03% ho dikahare tsa cobalt ho fetola mocheso oa solidus ka 12 ° C. Seo se fetola maemo a ho pholisa hlobo. Seo se ama boholo ba lijo-thollo. Seo se beha bophelo ba mokhathala kotsing lirolareng tsa winch center shaft. Re sebelisa OES (Optical Emission Spectrometry) libareng tse kenang le ho netefatsa ASTM A957 bakeng sa ho etsa matsete, ASTM A159 bakeng sa tšepe e bohlooho, le AMS 2269 bakeng sa li-alloys tsa cobalt-nickel. Ha ho mekhelo. Ha ho "tšepa empa netefatsa" -re netefatsa pele, ebe rea lahla.
Khetho ea Mokhoa oa ho Lahlela e Laela Karolo ea Bokhoni
Ho lahlela lehlabathe ho sebetsana le metheo ea pompo e kholo e fihlang ho 1,800 kg-empa e hloka taolo e tiileng ea ho kopanya ho qoba mathata a methapo ea matlo a lisilindara tse tšesaane. Ts'ebetso ea matsete e fana ka ± 0.05 limilimithara tse pheta-phetoang bakeng sa li-plug tsa AMS 5387 cobalt alloy-empa e hloka puseletso e nepahetseng ea katoloso ea boka. Ha re khethe ts'ebetso e le 'ngoe ebe re qobella likarolo tsohle. Ho e-na le hoo, re etsa 'mapa oa karolo e' ngoe le e 'ngoe khahlanong le mekhoa e meraro: karo-karolelano ea lerako, tlhokahalo ea ho qeta holimo (Ra ≤ 1.6 µm vs. Ra ≤ 6.3 µm), le tsela ea mojaro o sebetsang. Mohlala, 'mele oa hydraulic pressure valve o sebelisa lehlabathe bakeng sa khetla ea eona ea kantle-empa liphaseje tsa phallo ea kahare li entsoe ka mochini oa CNC ho ts'oara mamello ea GD&T ho feta ± 0.025 mm. Mokhoa oo oa lebasetere ha se boikhethelo. Ke kamoo o kopanang le litekanyetso tsa bohloeki tsa ISO 8502-3 *le* ASME B16.34 litekanyetso tsa khatello.
Botsitso ba Dimensional bo Qala Pele Mouta o Tšeloa
Ka nako e 'ngoe re ile ra fumana setšoantšo bakeng sa ntlo ea pompo ea piston e nang le libore tse 12 tsa bohlokoa-tsohle li hlalositsoe ho ± 0.015 mm. Moreki o ne a lebelletse ho etsa mochini oa ho qetela. Empa khohlano ea mocheso ka tšepe ea ductile e fapana ho ea ka botenya ba karolo. Lerako la 45-mm le honyela ka 0.28% ho feta likhopo tsa 22-mm. Kahoo re ile ra haha litumello tse fokolang ka har'a lisebelisoa tsa mohlala-eseng e le li-offsets tse tsitsitseng, empa e le li-curve tsa parametric tse hokahaneng le nako ea ho tiisa ea lehae (e baloang ka MAGMAsoft simulation). Eaba re netefatsa boits'oaro bo fokolang ka liteko tsa boitelo, tse lekantsoeng ho Zeiss PRISMO CMM. Ke ka mor'a moo re ileng ra lumella tlhahiso ea tlhahiso. Ke ka lebaka leo tlhahlobo ea rona ea ts'ebetso e kenyelletsang tekanyo ea 100% ea ho hokahanya ka mekhahlelo e meraro: e le ho lahlela, ka mor'a ho imolla khatello ea kelello, le post-machining. Traceability ha se tlaleho - ke nomoro ea serial e kentsoeng ka laser e hokahanyang karolo e 'ngoe le e 'ngoe le thipa ea eona e qhibilihisitsoeng, curve ea kalafo ea mocheso, le tlaleho ea ho qetela ea CMM.
Taolo ea Boleng e Hahiloe Mohatong o Mong le o Mong oa Phallo ea Mosebetsi
Lifeme tse ling li tšoara QC joalo ka heke qetellong. Re e kenya moo ho hlolehang ho etsahala: rasiti ea thepa e tala, ho kopanya hlobo, ho beha leihlo mocheso, nako ea ho shakeout, le ho hlahloba boima ba pele ho mocheso. Bahlahlobi ba rona ba sebelisa lithunya tse nkehang tsa PMI ho netefatsa boemo ba alloy pele ba etsa-le tlhahlobo ea ultrasonic (ASTM E114) holim'a tšepe e 'ngoe le e 'ngoe e teteaneng e ka holimo ho 75 mm. Bakeng sa likarolo tsa cobalt-nickel, re eketsa tlhahlobo ea fluorescent penetrant (ASTM E1417) hobane li-micro-cracks li ipata meeling ea dendritic. E, re boloka litlaleho tsohle ka mokhoa oa digital ka lilemo tse 15. Eseng hobane maemo a bolela joalo, empa hobane ha OEM ea Europe e ne e latela ho hloleha ha lebala ho sehlopha se le seng sa AMS 5387, re ile ra hula nalane e felletseng ea tlhahlobo ka metsotsoana e 83. Ha ho na khakanyo. Ha ho tieho.
The metheo ea fektheri ea ho lahla tšepe Katleho e theohela ho tse tharo tseo ho seng tse ka buisanoang ka tsona: taeo ea metallurgical, ponelo-pele e ikhethileng ea ts'ebetso, le tlhahlobo e matla e kentsoeng tšebetsong - e sa kengoang qetellong. Ho QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., metheo eo ha se khopolo-taba. Ke mokhoa oo re tsamaisang li-valve tsa khatello tse sebetsang ho 450 ° C ntle le ho lutla, matlo a pompo a bolokang concentricity ka mor'a li-cycle tse limilione tse 2, le li-nozzles tsa cobalt alloy tse thibelang khoholeho ea lipompo tsa slurry. Ha ho rarahana ha lebasetere la ho lahla ho ntse ho phahama — le litekanyetso tse kang NORSOK M-650 le API 6A li ntse li tiisa—lintho tsa motheo ha li fetohe. Ba mpa ba batla polao e tebileng. Ke moo phihlelo e kopanang le boenjiniere.
