Ha baenjiniere ba hlakisa phahameng ho nepahala magnesium motsoako die casting fektheri, ha ba kope mofani oa thepa feela—ba batla botsitso bo sa sisinyeheng tlas’a libaesekele tse futhumatsang, ho tšoana ha microstructural ho pholletsa le likarolo tse nang le marako a tšesaane, le ho sekisetsa matla a tsitsitseng tlas'a mocheso o phahameng oa tšebeletso. Li-alloys tsa Magnesium tse kang AZ91D, AM60B, le WE43 li fana ka litekanyo tse ke keng tsa lekanngoa tsa matla-to-weight-empa feela haeba mokhoa oa ho laola lefu o laola porosity ea hydrogen, o fokotsa ho bolaoa ke lefu, le ho koala ka ± 0.05 mm ho mamellana le likarolo tse nyenyane joaloka 0.8 mm botenya ba lebota. Boemo boo ba taolo ha bo etsahale ho li-generic foundries.
Re akhetse matlo a magnesium a fetang 12,000 WE43 bakeng sa li-aerospace hydraulic actuators-'me sehlopha se seng le se seng se fetile tlhahlobo ea X-ray ea 100% ntle le ho fokotseha ha bokaholimo. Hobaneng? Hobane magnesium die casting e nepahetseng ha e mabapi le mechini e meholo kapa linako tse potlakileng tsa potoloho. E mabapi le ho laola mocheso o qhibilihisitsoeng ka har'a ± 3 ° C, ho boloka sebaka se ka tlase ho Ra 0.4 μm, le ho sebelisa vacuum-assisted filling ho thibela ho kenngoa ha filimi ea oxide. Ho QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., ha re nke magnesium e le "aluminium e bobebe," empa e le tšepe e sebetsang, e lapetseng oksijene e hlokang lisebelisoa tse inehetseng, ts'ireletso ea khase e sa sebetseng, le ho lekola khatello ea nako ea 'nete.
Liphoso tse ngata tsa ho lahla magnesium li khutlela morao ho likheo tse tharo tse ka qojoang: ntlafatso ea lijo-thollo e sa tsitsang nakong ea ho tiea, kabo e sa laoleheng ea intermetallic phase (haholo-holo Mg.17Al12), le ho khopama ka morao ho tsoa ho phomolo e setseng ea khatello ea kelello. Re koala likheo tseo ka ho kopanya mokhoa oa ho etsa limmapa tsa 'mapa oa in-die thermocouple-ebe re tiisa sebopeho se seng le se seng khahlanong le mekoallo ea ASTM B94-22 le tlhahlobo ea sekhahla sa ho lutla sa ISO 11992-2. Li-prototypes tsa rona tsa lehlabathe la magnesium li fihlella Cpk ≥ 1.67 ho li-callouts tsa bohlokoa tsa GD&T; tlhahiso e matha e tšoara ± 0.03 limilimithara ka coaxiality pakeng tsa bering bores le ntseng bo eketseha flanges-ntle le machining bobeli.
Khokahano e otlolohileng e etsa phapang. Leha lifeme tse ngata tseo ho thoeng ke "tse nepahetseng" li tsoa kalafo ea mocheso kapa CNC e qeta, re laola ketane e felletseng: alloy ea magnesium e qhibiliha ka har'a li-graphite crucibles tlasa SF.6/CO2 sekoaelo sa khase, mocheso o phahameng oa vacuum 720-740 ° C o qhibilihang, tharollo ea T6 e kenngoa ka litekanyetso tse laoloang, le netefatso ea ho qetela ea CMM e sebelisa Zeiss CONTURA G2 e nang le tactile scanning. Sena se felisa liphoso tsa li-interface-ha ho na li-datum tse sa lumellaneng pakeng tsa lisebelisoa le mochini oa mochini, ha ho na histori e patiloeng ea mocheso e amang machinability. Ha pompo ea European OEM e ne e hloka matlo a magnesium cylinder a nang le 0.1 mm flatness sefahlehong sa 220 mm le 300 MPa matla a tlhahiso, re ile ra fana ka likarolo tsa sehlooho sa pele ka matsatsi a 18-eseng hobane re potlakile, empa hobane 'mapa oa rona oa ts'ebetso o ne o e-na le tieho ea zero handoff.
Ts'ebetso ea 'nete ea lefats'e e bohlokoa ho feta maqephe a itseng. Moreki e mong o tlalehile 40% ea bophelo bo bolelele ba ts'ebeletso ho lirolara tsa magnesium winch center shaft khahlano le tse lekanang le aluminium — kamora 12,000 cycles under 85 kN radial load and salt-spray exposure. Hobaneng? Lisebelisoa tsa rona tsa AMS 5387 tse lumellanang le cobalt-nickel tse kentsoeng ka har'a matlo a magnesium li bolokile li le thata ka holimo ho 42 HRC ha motsoako oa motheo o monya matla a vibrate. Moralo ona oa lebasetere o sebetsa feela ha lihlopha tsa baetsi le ba machining li arolelana liboka tse tšoanang tsa tlhahlobo ea boenjiniere - 'me ha ho latelloa ha thepa ho hokahanya nomoro ea karolo e 'ngoe le e 'ngoe le lotho ea eona ea mantlha ea ingot, log ea sebopi, le tlaleho ea liteko tsa tensile. Ha re kopane feela le ISO 9001:2015-re kentse tlhahlobo ea kotsi ea mofuta oa AS9100 morerong o mong le o mong o mocha oa magnesium.
Haeba u hloka a phahameng ho nepahala magnesium motsoako die casting fektheri e tšoarang magnesium e le thepa ea boenjiniere ea meralo-eseng feela sebaka se bobebe-o hloka taeo ea ts'ebetso, boikarabello ba metallurgical, le ho se mamelle letho bakeng sa ho hakanya. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. e fana ka matla ao ho pholletsa le mefuta e mengata ea hydraulic, metheo ea pompo, le likarolo tsa bohlokoa tsa koloi. Precision e qala moo mokelikeli o kopanang le lefu-'me e lula e notletsoe ho fihlela tlhahlobo ea ho qetela.
