Ha baenjiniere ba hlakisa Tlhaloso: 718, ha ba khethe thepa feela-ba ikemiseditse ho tsitsisa dimensional ho 650 ° C, ho hanyetsa khatello ea kelello-corrosion ho phunyeha ha libaka tsa khase e bolila, le bophelo ba mokhathala tlas'a cyclic loading ea mocheso. Empa lipehelo tsa thepa e tala ha li bolele letho ntle le molekane ea tsebang boitšoaro ba eona lebenkeleng. Ke moo a Inconel 718 fektheri e fumana boima ba eona—eseng ka libukana, empa ka ho pheta-pheta ho pholletsa le lihlopha tse 200, ho latela GD&T ho likarolo tsa mamello ea 0.005-mm, le ka lintho tse makatsang nakong ea tlhahlobo ea sehlooho sa pele.
Hobaneng ha "Feme" e le Bohlokoa ho Feta "Supplier" bakeng sa Inconel 718
Re bone merero e mengata haholo e emisoa hobane k'hamphani ea khoebo e ile ea fumana thepa ea Inconel 718 ho tloha leloaleng le le leng, ea e tšoara ka mocheso ka sebōping sa motho oa boraro, eaba e e romela lebenkeleng la CNC le se nang tlhokomelo ea metallurgical. Sephetho? Phapang ea microstructure lipakeng tsa mocheso. Decarburization holim'a li-flange tse fetotsoeng. Warpage e bakiloeng ke khatello ea maikutlo e setseng ka mor'a mochine oa ho qetela-e fumanoa feela nakong ea tlhahlobo ea hydraulic. A 'nete Inconel 718 fektheri ke eena mong'a ketane: ts'ebetso ea thepa e tala e netefalitsoeng, potoloho ea tharollo ea ka tlung le botsofali, le liparamente tsa machining tse netefalitsoeng ho Inconel 718 - eseng li-presets tsa nickel-alloy.
Ho QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., karolo e 'ngoe le e 'ngoe ea Inconel 718 e qala ka billet e netefalitsoeng ea AMS 5662, e netefalitsoeng ka PMI le OES pele e kena phallong ea tlhahiso. Ha re fane ka kalafo ea mocheso kantle ho naha. Lisebelisuoa tsa rona tsa vacuum li latela lintlha tse nepahetseng tsa AMS 2750E pyrometer calibration — 'me re boloka lirekoto tse felletseng tsa nalane ea mocheso sebakeng se seng le se seng. Sena ha se taba e tebileng. Ke kamoo re tšoarang ± 0.01 limilimithara holim'a 320-mm-diameter piston cylinder cylinder housing ha re ntse re boloka Ra 0.4 µm holim'a sebaka sa marang-rang libakeng tsa ho tiisa ka hare.
Moo Mechini e Tloaelehileng e hlolehang—le Seo Ha e le Hantle se Sebetsang
Mabenkele a mang a tšoara Inconel 718 joalo ka tšepe e thata e sa hloekang. Ha ba etse joalo. Sekhahla sa eona sa ho thatafatsa mosebetsi ke 3 × ho feta 316SS. Litefiso tsa lijo li theoha ka 40% ka mor'a ho feta pele. Bophelo ba lisebelisoa bo fokotseha haeba khatello ea pholileng e oela ka tlase ho 70 bar. Re ithutile sena ka tsela e thata ea ho etsa li-nozzles tsa AMS 5387 cobalt-nickel bakeng sa li-hydraulic manifolds tse nang le khatello e phahameng ea metsi - ho fihlela re fetohela ho sepholi se matla ka har'a spindle, li-carbide tse kentsoeng ka ceramic tse nang le geometry e ntle ea rake, le litselana tse thata tse fokotsang nako ea ho lula.
Setsi sa rona se lumellanang le ISO se na le litsi tsa machining tsa 5-axis tse hlomelletsoeng bakeng sa ho sila ka har'a sekoti se tebileng sa li-contours tse rarahaneng - joalo ka liphasejene tse phalloang ka har'a li-valve tsa khatello tse lekantsoeng ho 420 bar. Re kopanya kalafo ea mocheso * lipakeng tsa * ts'ebetso ha ho hlokahala: mochini o thata → anneal ea tharollo → khatello ea maikutlo → mochini oa ho qetela → ho thatafala lilemo. Ho tlola tatelano eo ho ka beha kotsi ea ho sotha kapa matla a chai a sa tsitsang. Bareki ba tlolang tlhahlobo ea boenjiniere hangata ba botsa, "Hobaneng sehlopha sa rona sa pele se fetile CMM empa se hloleha ho etsa liteko tse phatlohileng?" Karabo ha se hangata ho taka - ke tsela ea mochini oa mocheso.
Cast + Mochini = Ts'ebetso ea 'Nete ea Lefatše eo U ka e Lekanyang
Inconel 718 ha e entsoe feela kapa e entsoe. Bakeng sa likarolo tse kholo, tse bohlokoa haholo - metheo ea pompo, li-winch center shaft rollers, lihlopha tsa li-valve tse lebōpong la leoatle - ho kenya lichelete ho fana ka sebopeho se haufi le letlooa le phallo e phahameng ea lijo-thollo. Empa ho lahla feela ha hoa lekana. Libaka tsa as-cast ha li na mokhathala o hlokahalang bakeng sa likarolo tse potolohang. Ke ka lebaka la rona Inconel 718 fektheri e kopanya ts'ebetso ea matsete le ho phethela ho nepahetseng ha CNC: ho lahleloa ho ± 0.3 mm, ebe lifahleho tse koalang ka mochini, likoranta tse jereng, le mefuta ea likhoele ho ± 0.008 mm ka netefatso e felletseng ea GD&T.
Re boloka tumellano ea tekheniki le barekisi ba thepa mabapi le taolo ea boholo ba lijo-thollo (ASTM E112), tekanyo ea kenyelletso (ASTM E45), le litaba tsa delta-ferrite. Ntho e 'ngoe le e' ngoe ea ho bapala e fumana tlhahlobo ea radiographic (ASTM E94) le tlhahlobo ea metsi a kenang ka hare ho metsi (ASTM E165). Ha ho mokhelo - esita le bakeng sa li-prototypes. Hobane ts'ebelisong ea oli le khase kapa ea maoatle, sehlopha se le seng sa porosity sebakeng sa khatello ea maikutlo ha se "phapang e nyane." Ke ho hloleha ha masimo ho emetseng ho etsahala.
Ho Khetha Molekane oa Hao oa Inconel 718: Tse tharo tseo e seng tsa lipuisano
Pele u saena PO, botsa lipotso tsena-'me u batle bopaki:
- A na u ka mponts'a likutu tsa hau tse tharo tsa ho qetela tsa Inconel 718? Eseng feela mothinyeho oa mocheso—empa sebopeho sa sebōpi sa sebōpi, likhahla tsa lebelo, linako tsa ho koloba, le litekanyetso tsa ho pholisa ho AMS 2750E.
- A na u etsa netefatso ea post-heat-treat microstructure verification? Re etsa SEM/EDS ka li-cross-sections ho netefatsa γ′ precipitate ajoa le ho ba sieo ha δ-phase meeding ea lijo-thollo.
- Nako ea hau ea ho etella pele e mpe ka ho fetesisa ke efe bakeng sa odara ea likarolo tse 15 ea ntlo ea li-cylinder tse bophara ba 220-e nang le litifikeiti tse felletseng tsa thepa, litlaleho tsa CMM, le lirekoto tsa NDT? Karabo ea rona ke matsatsi a 28 a almanaka. Eseng "libeke tse 4-6." Ha e "itšetlehile." Re e latela ka nako ea 'nete.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. ha e ipehe e le "fektheri ea Inconel 718" bakeng sa ho bapatsa. Re ntho e le 'ngoe—hobane letsatsi le leng le le leng, bo-machini ba lokisa lijo tse ipapisitseng le data ea nako ea sebele ea ho roala lisebelisoa, litsebi tsa rona tsa metallurgists li hlahloba ho baloa ha boima khahlanong le liphetho tsa liteko tse thata, 'me sehlopha sa rona sa QA se itokolla feela ka mor'a hore tlhahlobo ea ts'ebetso e lumellane le lipotoloho tsa mosebetsi tse boletsoeng ke bareki. Eo ke phapang pakeng tsa ho fumana le ho rarolla.
Haeba morero oa hau o latelang o batla likarolo tsa Inconel 718 tse pholohang lihora tse 10,000 ho 600 ° C, tiisoa ka botšepehi ho 400 bar, kapa ho potoloha ntle le ho khathatseha ho 1,800 rpm-qala ka molekane eo botšepehi ba hae bo lulang likotong tsa sebōpi sa bona, eseng marang-rang a bona a marang-rang. E nepahetseng Inconel 718 fektheri ha e tšepise phetheho. E fana ka ponelo-pele—karolo e le 'ngoe e hloekisitsoeng mocheso, e entsoeng ka mokhoa o nepahetseng, e ka lateloang ka botlalo ka nako.
