Ha lienjineri tsa hydraulic system OEMs kapa oilfield service company li batla a China tšepe lahla feme, ha ba batle qotso e tlaase ka ho fetisisa. Ba ntse ba batla ho pheta-pheta ka sebopeho sa pompo ea cobalt alloy pompo, ho tsitsa ha metallurgical ho pholletsa le 50 AMS 5387 castings, kapa lintho tse makatsang ha mochini oa winch oa T800 o hloleha ho etsa tlhahlobo ea hydrostatic. Re e bone ka makhetlo a mangata haholo: setsi se "tšoanelehang" se fana ka likarolo tse fetang tlhahlobo ea pono-empa se phunyeletse tlas'a khatello ea libaesekele tse 300 hobane sebopeho sa lijo-thollo ha sea ka sa netefatsoa, kapa ho thatafala ha holim'a metsi ho ile ha etsoa ka mor'a phekolo ea mocheso.
Ho ts'epahala ha 'nete ea lefats'e ho qala ka ho ba le ts'ebetso-eseng ho fana ka thepa
Bareki ba bangata ba lefats'e ba nahana hore ho lahla le ho etsa mechine ke litšebeletso tse arohaneng. Khopolo eo e baka kotsi. Ha casting e etsoa setsing se le seng, kalafo ea mocheso ho e 'ngoe,' me CNC e qetella ka karolo ea boraro, e bohlokoa - joalo ka kabo ea khatello ea maikutlo kapa karabelo ea microstructural ho baesekele e futhumatsang - e thella ka likheo tsa letsoho. Ho QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., mekhahlelo eohle e meraro e etsahala tlasa marulelo a le mong a tiisitsoeng ke ISO Qingdao. Sena ha se bonolo-ke taolo. Re lahlela motheo oa pompo ea tšepe, ebe re kenya flange ea eona e ntseng e hola le lifahleho tsa boema-kepe ka mokhoa o ts'oanang, re sebelisa sesebelisoa se tšoanang sa CMM-calibrated. Ha ho ho hlophisoa bocha. Ha ho phetoho ea data. Ha ho na khakanyo ea hore na ho khopamisoa ha sebapali ho tla ama joang ho latela melao ea GD&T.
Re netefalitse mofuta ona o kopaneng o otlolohileng mererong e fetang 127 ea li-valve tsa hydraulic valve. Moreki e mong oa Amerika Leboea o ile a tloha ho morekisi oa tier-1 kamora ho hloleha ho lutla khafetsa setulong sa setulo. Tlhahlobo ea sesosa sa bona e bontšitse li-gradients tse sa tsitsang tsa microhardness 'meleng oa li-valve-o bakoang ke litekanyetso tse sa laoleheng tsa ho pholisa pakeng tsa ho lahla le ho phekola mocheso ka mor'a ho sebetsa. Tharollo ea rona? Lahlela 'mele, etsa tharollo ea annealing * ka tlung *, ebe o qeta ho phutha setulo sa setulo nakong ea lihora tse 48 - pele mongobo o teng kapa ho ts'oaroa ho ka hlahisa oxidation ea bokaholimo. Sephetho: ho lutla ha zero likhoeling tse 18 tsa ts'ebetso ea masimo ho pholletsa le lisebelisoa tse 42 tsa kantle ho naha.
Ha se li-alloys tsohle tsa cobalt tse sebetsang ka mokhoa o ts'oanang - 'me le lifeme tse li sebetsang ha li sebetse
AMS 5387 cobalt alloy ha e "thata ho e etsa mochini." Boitšoaro ba eona ba pula ea carbide bo fetoha haholo le ho kheloha ho 0.3°C nakong ea ho kopanya tharollo. T800 alloy e hloka litekanyetso tse nepahetseng tsa preheat ramp pele ho lokisoa - ho seng joalo, ho phatloha ha intergranular ho hlaha nakong ea NDT ea ho qetela. Barekisi ba bangata ba nka lisebelisoa tsena e le "superalloys" tse tloaelehileng. Re li nka e le litsamaiso tse phelang tse nang le nalane e hlalositsoeng ea mocheso.
Protocol ea rona ea traceability ea thepa e feta certs ea leloala. Sebaka se seng le se seng sa mocheso se na le ID e ikhethileng e hokahaneng le likutu tsa sebōpi, tima lirekoto tsa mocheso oa mecha ea litaba, le 'mapa o thata oa ka mor'a ho chesa mocheso likarolong tse tharo tse fapaneng. Ha moetsi oa pompo oa Europe a ne a hloka li-nozzles tse 22 ka Rockwell C 42–46 hardness *le* 100% ultrasonic bohloeki, re ile ra tsamaisa mocheso oa sefofane, ra fetola nako ea ho koloba ka metsotso e 9, 'me ra boela ra etsa profiling ea thata-pele re etsa tlhahiso. Boemo boo ba ho pheta-pheta bo sebetsa feela ha metallurgy, casting, le QA li lutse ka kamoreng e le 'ngoe.
- Likarolo tsa Cobalt-nickel: AMS 5387, T800, Stellite 6B-cast, mocheso, 'me e felile ho ≤± 0.015 mm mamello
- Lisebelisoa tsa tšepe: ASTM A48 Sehlopha sa 30-65, ka netefatso ea matla a thata ka ASTM E8 karolong e 'ngoe le e' ngoe.
- Lisebelisoa tsa tšepe le tšepe e sa hloekang: ASTM A216 WCB, A351 CF8M—e entsoe ka radiographed ka botlalo (ASTM E94) bakeng sa litsela tse mahlonoko tsa phallo.
- Likarolo tse entsoeng ka mochini oa CNC: Khokahano ea li-axis tse ngata tsa libaka tse thata, ho kenyeletsoa li-spline tse kahare le libore tse tapered tse nang le runout ea ≤0.005 mm
Netefatso ea thomello ha e tšepisitsoe - e entsoe
"Linako tse tsitsitseng" li bolela lintho tse fapaneng ho batho ba fapaneng. Ho lihlopha tse rekang thepa, ho bolela hore ha ho litefello tse eketsehileng tsa sefofane ka motsotso oa ho qetela. Ho rala lienjineri, ho bolela ho amohela likarolo tsa sengoloa sa pele *ka litlaleho tse felletseng tsa tlhahlobo*—eseng data ea boholo feela, empa linepe tsa microstructure, limmapa tse thata, le ho hlahloba libaka tsa lik’hemik’hale—pele u saena ho PPAP.
Re kenya letsoho tšebetsong—eseng ho e potoloha. Moralo oa tlhahiso o sebelisa tatellano ea nako ea takt, eseng mohopolo oa batch-and-queue. Haeba ntlo ea pompo ea pompo ea piston e hloka liphekolo tse 3 tsa mocheso, li-setups tse 5, le liphetho tse 2 tsa bokaholimo, mehato eo e hlophisitsoe ka tatellano e tsitsitseng le nako ea buffer e abetsoeng *feela* bakeng sa mekhoa e netefalitsoeng ea ho hloleha — eseng tieho ea mohopolo. Kakaretso ea rona ea ho tlisa thepa ka nako bakeng sa liodara tsa volume e mahareng (50–500 pcs) e eme ho 98.7% likhoeling tse 22 tse fetileng. Phapang ea 1.3%? Tsohle li latisitsoe ho liphetoho tsa boenjiniere tse kōptjoang ke bareki ka mor'a ho lokolloa ha hlobo - eseng likheo tsa ts'ebetso ea ka hare.
Ho khetha feme ea tšepe ea China ha e bue ka geography-e mabapi le ho tsamaisana le tekheniki
QINGDAO QIANGSENYUAN TECHNOLOGY ha e sebeletse indasteri e 'ngoe le e' ngoe. Re tsepamisitse maikutlo lits'ebetsong moo ho hloleha ho nang le litlamorao tsa 'nete: li-valve tsa hydraulic pressure tse laolang motsamao oa moepolli, li-plug tsa cobalt alloy tse tiisang mefuta e mengata ea khase ea H2S, li-winch center shaft rollers tse phahamisang lisebelisoa tse ka tlas'a leoatle botebong ba metsi a limithara tse 3,000. Tsepamiso ena e tsamaisa ntho e 'ngoe le e 'ngoe - ho tloha ho bafani ba rona ba thepa (re lekola lintlha tsa ho lokisa sebopi ka kotara) ho ea ho khetho ea rona ea probe ea CMM (Renishaw PH20 e nang le 5-axis scanning bakeng sa li-contours tse rarahaneng tsa impeller).
Haeba projeke ea hau e latelang e hloka sebopeho sa microstructure se phetoang ka har'a li-castings tse thehiloeng ho cobalt, mochini o lumellanang le GD&T oa libaka tse thata, kapa ho ts'oaroa ka botlalo ho fihlela mochesong oa mocheso - 'me o hloka hore o tlisoe ntle le li-drill tsa mollo oa boenjiniere - ebe tokelo e nepahetseng. China tšepe lahla feme ha se eona e nang le litifikeiti tse ngata leboteng. Ke eona e nkang setšoantšo sa hau e le sebopeho se sebetsang, eseng boikoetliso ba geometry. Ke molekane ea botsang *kamoo* karolo e jarang, *e tiisa hokae, le *ho etsahala’ng haeba e hlōleha*—pele a qotsa sente e le ’ngoe.
