Ngativei vakatendeseka, kana vanhu vazhinji vakanzwa 'silica sol investment casting', vanofananidzira majeti einjini asina chaanopomerwa kana zvidimbu zvakaoma zvehunyanzvi. Ndiro divi rerunako. Chokwadi, kugaya kwemazuva ese, ndeye kugadzira goko rinovimbika risingatsemuke, kudonha, kana kuchengeta dota rakawandisa, kune zvikamu zvinogara zvisingaonekwe. Iyo nzira iyo binder - iyo silica sol - ndeye zvese uye hapana chinhu panguva imwe chete. Iwo mashiripiti haangori mu colloidal silica pachayo, asi mumabatiro aunoita nayo ne stucco, nharaunda yekuomesa, uye kutaura chokwadi, maitiro aunoita zvinotarisirwa. Zvitoro zvakawanda zvinofunga kuchinja kune a silica sol investment casting process ndeyekusimudzira kwakananga kune zvese. Hazvisizvo. Icho chishandiso, uye chinopera ipapo.
Iyo Core yeShell: Kupfuura Kungobhainda
Ndinorangarira patakatanga kushandura mamwe mitsara kubva kuethyl silicate kuenda ku silica sol. Iyo yekutengesa pitch yaive yese yekupedzisa kurinani kwepamusoro uye nepamusoro pegirinhi simba. Chavasina kusimbisa zvakakwana kwaiva kutonga kwemamiriro ekunze. Ne ethyl silicate, une imwe leeway. Ne silica sol, nzvimbo yako yekuomesa inova yakakosha maitiro parameter. Hunyoro hunyoro uye mafambiro emhepo hazvisi zvekunyaradza chete; ivo vanoraira kuyerera kwemvura. Kukurumidza, uye iwe unowana brittle, micro-yakatsemuka kumeso jasi. Kunonoka, uye kutenderera kwako kwekugadzira kunomira.
Takadzidza izvi nenzira yakaoma pane batch yemiviri yevharuvhu kumutengi. Kupedzisa kwacho kwaive kwakanaka, kurongeka kwakaringana, asi isu taive ne30% kutadza kwegoko panguva yekudonha. Makungu aitaridzika zvakanaka. Nyaya yacho? Isu takanga tine hunyoro hunyoro, uye majasi ekutanga akange asati anyatsozara tisati taisa mabhachi ekuchengetedza. Munguva ye autoclave dewaxing, mhepo yemhepo yakawana iyo isina kusimba, zvishoma-gelled layers. Mhedzisiro yacho yakanga iri ngwavaira yakatsemuka mateko, kwete mvura yakachena yataida. Kwakanga kusiri kukundikana kwezvinhu; kwaive kukundikana kweruzivo.
Ndipo pane hunyanzvi chaihwo - kwete mukutenga silica sol, asi mukuvaka sisitimu yakaitenderedza. Ndezvekuziva kuti hupfu hwezikoni hwejasi rekutanga hunoda imwe pH-yakagadziridzwa sol pane iyo yaungashandise kune gare gare aluminosilicate stucco majasi. Iyo chemistry yakaiswa pachiyero cheindasitiri.
KwaInopenya Zvechokwadi (Uye Kwaisingaite)
Nekuda kwekupokana kwayo kose, silica sol investment casting haikundike kune mamwe maapplication. Funga zvikamu zvitete, mitsara yakaoma yemukati, kana alloys ane simba zvikuru. Iyo monolithic ceramic goko raunowana kubva kune yakanyatso itwa silica sol process inoshamisa dhirendi uye inoramba. Isu tinoshandisa iyo inenge chete kune yedu yepamusoro-tembiricha alloy basa-iyo nickel-based uye cobalt-based zvinhu. Kugadzikana kwegoko pakudurura tembiricha kwakakwirira, izvo zvinoderedza kuita kwesimbi-goko uye zvinokupa yakachena simbi pamusoro.
Ndanga ndichitarisa chirongwa kubva kumutengesi, Qingdao Qiangsenyuan Technology Co., Ltd.(QSY), anonyora izvi sechinhu chakakosha. Nemakore avo makumi matatu ekukandira uye kugadzira, unogona kubheja maitiro avo esimbi isina tsvina uye yakakosha alloy castings inotsamira zvakanyanya pane yakakura silica sol system. Hachisi chinhu chaunotamba nacho; kuzvipira. Kune yakajairwa kabhoni simbi knob kana iri nyore simbi bracket? Overkill. Mutengo uye nguva yekutenderera haizvipembedzi. Iyo ROI inouya paunenge uchikanda simbi isina tsvina ine vanes yakatetepa kupfuura coin, uko kutendeka kwedimensional kusingagone kutaurirana.
The Machining Handshake
Iyi ipfungwa inowanzorasika. The Investment casting process haipere pakushakeout. A good foundry anofunga nezve machining kubva pakutanga. Silica sol shell kazhinji inoburitsa yakatsetseka pamusoro pekupedzisira, iyo inonzwika yakanaka. Asi zvinoreva zvakare kuti ganda rekukanda rakaomarara uye rakawanda yunifomu. Izvi zvinokanganisa mabatiro aunoita maturusi eCNC nekutanga kuchekwa. Isu takafanirwa kugadzirisa mareti ezvekudya uye nzira dzekushandisa dzezvikamu zvinouya kubva kune yedu silica sol line zvichienzaniswa nemamwe maitiro edu.
Kushanda kwakabatanidzwa seQSY, iyo inobata zvese zviri zviviri kukanda mold, kukanda mari, uye CNC machining pasi pedenga remba, ine mukana wakasiyana pano. Chikwata chavo chekugadzira michina hachisi kugamuchira bhokisi dema; vari kuwana chikamu chine nhoroondo yemaitiro avanogona kunzwisisa. Ivo vanoziva kuti gedhi rakasara pane silica sol casting rinogona kunge rakasiyana zvishoma kuomarara chimiro, saka vanogona kuronga iyo CNC saizvozvo. Iyi yakavharwa-loop kubva pakuumbwa kuenda kumachina ndipo panovakwa mhando chaiyo uye kunyatsoshanda, kwete mudhipatimendi rekukanda chete.
Tsanga Yejecha Mumagiya
Hapana nzira yakakwana. Musoro mukuru wemusoro une silica sol, kunze kwekunzwa kwemamiriro ekunze, ndiko kubuda kwegoko. Kupisa kunokosha. Chero yasara silica binder inogona kusiya girazi, sintered zvisaririra panzvimbo yekukanda, kunyanya mumakona ekupinda zvakare. Iyi haisi tsanga yejecha yakasununguka yaunogona kuputika; zvakasanganiswa. Takambove nebatch yepombi dzimba uko zvakasara izvi zvakavharirwa mukati meshinda. Kwaive kutyisa kugadzirisa, kuda kubviswa kwe electrochemical.
Apa ndipo pane investment in Investment casting anowana chaiwo. Yako yekutsva kwebira profile haisi seti uye kanganwa. Inoda kugadzirwa kune shell mass uye alloy. Kukandwa kwesimbi inorema-chikamu kunoda kutenderera kwekupisa kwakasiyana pane yakatetepa-yakakomberedzwa aruminiyamu imwe kuti ive nechokwadi chekubviswa kwebhainda. Ndiyo imwe layer ye process control inoparadzanisa chitoro chebasa kubva kune chaiyo foundry.
Maonero ePragmatic
Saka, silica sol inguva yemberi here? Nokuda kwepamusoro-kutendeseka, zvikamu zvakanyatsonaka, zvachose. Ndiwo musana weaerospace, yekurapa, uye yepamusoro-yekupedzisira maindasitiri ekukanda. Asi haisi iyo yose panacea. Sarudzo yekuishandisa inofanirwa kuve yehunyanzvi uye yekutengesa kuverenga: iyo inodiwa pamusoro pekupedzisira (Ra values), iyo alloy's reactivity, chikamu geometry, uye mutengo unogamuchirwa payuniti.
Paunenge uchiongorora mudiwa webasa rakadaro, hausi kungotenga yekukanda. Iwe uri kutenga matanda avo ekudzora kwezvakatipoteredza, marekodhi ekuchengetedza slurry, machati avo ekutsva. Iwe uri kutenga makumi emakumi emakore ekudzidzira kwakadzika, senge zvaungafungidzira kubva kune akamira kwenguva refu mushandisi mumunda. Iko kukosha chaiko mukuita senge silica sol investment casting inoiswa kwete mubhangi, asi mukubatana kwemhasuru yekurangarira kwevanyanzvi nevanjiniya vakarwa hondo dzayo, vakadzidza kubva mukukundikana kwayo, uye vakashandisa simba rayo rakawanda kugadzira zvikamu zvisingagone kuitwa neimwe nzira.
