Ha lienjineri li hlakisa hore na silica sol e sebetsa hantle hakae bakeng sa likarolo tsa tšepe tse nepahetseng haholo, ha ba khethe mokhoa feela - ba khetha moeli oa ts'epahalo. Silica sol investment casting e fana ka mamello ea ± 0.05 mm dimensional, bokaholimo bo fihla ho Ra 1.6 μm, le bots'epehi ba sebopeho se haufi-ufi bakeng sa likarolo tse sebetsang tlasa khatello ea hydraulic ea 350 bar kapa 600 ° C baesekele e futhumetseng. Boemo bona ba ho tsitsa ha bo hlahe ho tsoa ho li-generic foundries. E hloka taeo ea lintho tse bonahalang, ho tiea ha metrology, le phihlelo e tebileng ea alloy-haholo-holo ka limaraka tsa cobalt-nickel tse kang AMS 5387 le T800.
Hobaneng ha silica sol-eseng khalase ea metsi kapa phosphate-e hapang bakeng sa lijeometri tsa bohlokoahali
Silica sol e fana ka melemo e meraro e ke keng ea buisanoa ho feta mefuta e meng e tlamang: botsitso ba mocheso ka holimo ho 1,100 ° C, masala a alkaline a zero ka mor'a ho qhibiliha, le matla a ikhethang a khetla nakong ea ho tšeloa ha tšepe ea mocheso o phahameng. Re bone likhalase tsa metsi li phunyeha nakong ea phekolo ea mocheso ka mor'a ho lahlela ha litekanyetso tsa ho pholile li feta 1.2 ° C / sec. Likhetla tsa silica sol li tšoara botšepehi bo boholo ka har'a lipotoloho tseo - tse bohlokoa ha ho etsoa machini a lisilindara tsa pompo ea piston moo botenya ba lebota bo tlamehang ho lula bo le ka tlase ho ± 0.12 mm ka bophara ba 320 mm. Viscosity e tlase ea binder e boetse e thusa ho pheta-pheta li-grooves tse pholileng ka bophara ba 0.3 mm ka li-nozzles tsa cobalt alloy - likarolo tse ke keng tsa kenyelletsa poso ntle le ho beha bophelo ba mokhathala kotsing.
Khokahano e otlolohileng ha se buzzword - ke eona feela tsela ea ho laola botšepehi ba microstructure
Barekisi ba bangata ba fana ka lisebelisoa tsa kantle, ho etsa machining kapa ho qeta. Seo se baka likheo tsa letsoho: chelete ea 0.08 mm stock casting e fetoha 0.15 mm ka mor'a ho sebetsa ka thata ka lebaka la ho roala lisebelisoa tse sa rekoang; kalafo ea mocheso e sotha boholo hobane moetsi oa sebōpi ha a na setšoantšo sa mantlha sa GD&T. Ho QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., mekhahlelo eohle e etsahala tlasa marulelo a le mong a lumellanang le ISO. Ha re akhela karolo ea pompo ea AMS 5387, litsebi tsa rona tsa metallurgists li netefatsa li-cert tsa thepa e tala pele li qhibiliha. Mechini ea rona ea sehlopha sa CNC ka kotloloho ho tsoa naheng e ts'oaroang e sebelisa loops ea maikutlo ea CMM e kentsoeng - ha e lokisoe bocha. Ho sila ka holim'a metsi ho latela hang ka mor'a ho imolla khatello ea maikutlo, ho notlela ka har'a sephara ka hare ho 0.005 mm ho pholletsa le bolelele ba 450 mm. Tsoelo-pele eo e felisa phoso e ntseng e eketseha-'me e hlalosa hore na ke hobane'ng ha 92% ea likopano tsa rona tsa khatello ea khatello li feta tlhahlobo ea ts'ebetso qalong.
Ts'ebetso ea 'nete ea lefats'e e qala ka netefatso ea ts'ebetso e ikhethileng ea alloy
Li-alloys tsa cobalt-nickel ha li sebetse joaloka 316 tse se nang letheba. Sekhahla sa bona sa ho thatafatsa mosebetsi se nyoloha ka mor'a ho tlosoa ha thepa ea 15%. Thermal conductivity ea bona e tlase ka 30% ho feta carbon steel-kahoo ho tsamaisoa ha metsi ho tlameha ho otla mekhoa e nepahetseng ea lisebelisoa kapa ho qhibiliha ha libaka ho etsahala. Re etsa 'mapa oa karolo e' ngoe le e 'ngoe ea T800 laeboraring ea rona ea tšebetso: li-spindle RPMs, litefiso tsa lijo ka karolo e 'ngoe le e 'ngoe ea li-contour, esita le li-angles tse pholileng tsa nozzle. Bakeng sa li-plug tsa cobalt alloy tse nang le mabota a 0.8 mm, re sebelisa 0.3 mm carbide end Mills ho 18,000 RPM le 80 mm / min feed-mekhahlelo e netefalitsoeng ho feta ho fokotsa liteko tse 127. Bareki ba re tlisetsang litšoantšo tsa lefa hangata ba botsa: "Na u ka tšoara ±0.03 mm moo?" Karabo ea rona ha se khopolo-taba. E ipapisitse le lintlha tse lekantsoeng ho tsoa ho geometry e ts'oanang lethathamong la rona la tlhahiso-joalo ka sehlopha sa winch center shaft roller moo litlaleho tsa CMM li bonts'itseng tšitiso e kholo ea 0.022 mm ho li-unit tse 1,200.
Ho khetha feme ea silika sol precision casting ho bolela ho botsa lipotso tse tharo
- Na ba na le phekolo ea bona ea mocheso le ho qeta? Ts'ebetso e tsoang kantle e hlakola ts'ebetso. Haeba motheo oa pompo ea hau e hloleha ho etsa tlhahlobo ea vibrate, na mofani oa thepa a ka paka hore na ho na le nako e nepahetseng ea ho futhumatsa e sebelisitsoeng joang - 'me a e hokahanya le sebaka sa pele sa ho qhibiliha?
- Na ba kenya likarolo tsa bohlokoa sebakeng se le seng? Ho lokisa bocha ho hlahisa mokhoa oa ho tsamaisana. Batla lisebelisoa tse nang le lisele tsa CNC tse nang le li-multi-axis tse sebetsanang le litsela tse thata le tse qetellang ntle le ho tlosa karolo.
- Na ba phatlalatsa lintlha tsa 'nete tsa tlhahlobo-eseng feela likopo tsa "ISO tse tiisitsoeng"? Kopa mehlala ea litlaleho tsa CMM tse bontšang ho kheloha ha 'nete khahlano le mehala ea GD&T. A 'nete silika sol precision casting fektheri o arolelana bao-eseng ho ipata ka mor'a mangolo a mangolo.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. karabo e, ho tse tharo kaofela. Ts'ebetso ea eona e kopaneng, limmapa tse ikhethileng tsa alloy, le ho lateloa ka botlalo ho etsa hore e be molekane ea pheta-phetoang bakeng sa li-OEM tsa hydraulic tsa Amerika Leboea le baetsi ba lisebelisoa tsa oli ea lebaleng la oli. Sephetho? Likarolo tse lumellanang hantle—eseng pampiring feela—empa tšebeletsong. Ha ho rarahana ha lebasetere la ho lahla lintho ho ntse ho phahama, lekhalo pakeng tsa "castable" le "precision-cast" lea ata. Ke feela tse nyahamisang ka ho otloloha, tse kentsoeng ka har'a metrology-e kenyellelitseng eona.
