Lihlahisoa
JK15-2401003 Phetiso ea Case Swivel Base
Sehlahisoa Tšobotsi
Lost foam casting (eo hape e tsejoang e le mold casting ea 'nete) e entsoe ka polasetiki ea foam (EPS, STMMA kapa EPMMA) polymer material hore e be hlobo ea sebele e nang le sebopeho le boholo bo lekanang hantle le likarolo tse lokelang ho hlahisoa le ho lahleloa, 'me e koahetsoe. e nang le ho roala refractory (e matlafalitsoeng), e boreleli ebile e phefumoloha) 'me e omisitsoe, e patoa ka lehlabathe le omeletseng la quartz' me e behiloe ka mokhoa oa ho thothomela ka likarolo tse tharo. Tšepe e entsoeng ka ho qhibilihisoa e tšeloa ka lebokoseng la lehlabathe le bōpiloeng tlas'a khatello e mpe, e le hore mohlala oa thepa ea polymer o futhumale 'me o be mouoane, ebe o ntšoa. Mokhoa o mocha oa ho lahla o sebelisang tšepe ea metsi ho nka sebaka sa nako e le 'ngoe ea ho lahla hlobo e entsoeng ka mor'a ho pholile le ho tiisa ho hlahisa li-castings. Ho lahleheloa ke foam ho na le litšobotsi tse latelang: 1. Lisebelisoa ke tsa boleng bo botle le theko e tlaase; 2. Lisebelisoa ha li na moeli ebile li loketse boholo bohle; 3. Ho nepahala ho hoholo, bokaholimo bo boreleli, bohloeki bo fokolang, le ho etsa machining ho fokolang; 4. Litšitiso tsa ka hare li fokotsehile haholo 'me sebopeho sa ho lahla se ntlafatsoa. E teteaneng; 5. E ka hlokomela tlhahiso e kholo le ka bongata; 6. E loketse ho lahla lihlahisoa tse ngata tsa li-castings tse tšoanang; 7. E loketse ts'ebetso ea matsoho le tlhahiso ea mohala oa kopano o ikemetseng le taolo ea ts'ebetso; 8. Boemo ba tlhahiso ea mohala oa tlhahiso bo finyella litlhoko tsa litekanyetso tsa tekheniki tsa tšireletso ea tikoloho. ; 9. E ka ntlafatsa haholo tikoloho ea ho sebetsa le maemo a tlhahiso ea mohala oa tlhahiso ea ho lahla, ho fokotsa matla a mosebetsi, le ho fokotsa tšebeliso ea matla.
Tlhaloso ea Sehlahisoa
Last foam casting (ho tloha ka 2018) ke ho kopanya le ho kopanya mefuta ea polasetiki ea foam e ts'oanang ka boholo le sebopeho ho ea ho castings ka lihlopha tsa mohlala. Ka mor'a ho hlatsoa ka ho roala le ho omisoa, li patoa lehlabatheng le omeletseng la quartz ebe li sisinyeha hore li be le sebōpeho. Tlas'a maemo a itseng (Mokhoa oa ho tšela tšepe ea metsi, e etsang hore mohlala o fetohe mouoane ebe o lula boemong ba mohlala, ebe o tiisa le ho pholile ho theha ho lahlela ho lakatsehang. Lintlha tsa bohlokoa tsa ts'ebetso ea mokhoa oa ho lahla foam o lahlehileng ke tlhahiso ea liforomo tsa polasetiki ea foam le ho sebelisoa ha liphahlo tse refractory; ho thothomela le ho tiisa lehlabathe ka mor'a hore liforomo tsa polasetiki tsa foam li kenngoe ka lebokoseng la lehlabathe; le ho hlokomela vacuum ka lebokoseng la lehlabathe nakong ea ts'ebetso ea ho tšela. .
Ho lahleheloa ke foam ho thoholetsoa ke indasteri e thehiloeng e le "theknoloji e ncha ea ho lahla lekholong la bo21 la lilemo" le "morero o motala oa ho lahla". Ho lahleheloa ke foam casting ho ile ha lekoa ka katleho ka lekhetlo la pele ke HF Shroyer ka 1956. Moprofesa A. Witmoser o ile a sebelisana le Hartman Company 'me a qala ho e sebelisa indastering ka 1962. Matsatsing a pele a ts'ebeliso, ho lahleheloa ke lekoeba le lahlehileng ho ne ho sebelisoa haholo-holo tlhahisong ea kholo e le 'ngoe- likhahla tsa sekala. Ho tloha lilemong tsa bo-1960 ho isa lilemong tsa bo-1970, mokhoa oa ho lahla hlobo ea makenete o ile oa ntlafatsoa. Ho tloha lilemong tsa bo-1980, ts'ebetso ea pele e khetholloang ke khatello e mpe ea vacuum le ho bopa lehlabathe le omeletseng le thehiloe. Moloko oa 3 o lahlehetsoe ke ho akhela foam.
Lost foam casting ke sistimi e akaretsang ea litloaelo tse fapaneng e kopanyang polasetiki, lik'hemik'hale, mechini le ho lahla. E kopanya ho lahleheloa ke foam le mekhoa e meng e mecha ea ho lahla ho theha mekhoa e mecha ea mekhoa e metle ho ntlafatsa boleng ba ho lahleheloa ke foam castings. mme bokgoni ba tlhahiso bo ile ba ntlafala le ho feta.
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