Ho hloekisa forgingske mokhoa oa ho tlosa mefokolo ea bokaholimo baforgingska mekgoa kapa dikhemikhale. E le ho ntlafatsa boleng ba bokaholimo baforgings, ntlafatsa maemo a ho itšeha eaforgingsle ho thibela bofokoli ba holim'a metsi hore bo se ke ba eketseha, ho hlokahala hore ho hloekisoe sekheo le li-forging ka nako leha e le efe nakong ea tlhahiso ea forging.

E le ho ntlafatsa boleng ba holim'a forgings, ho ntlafatsa maemo a ho itšeha le ho thibela bofokoli ba holim'a metsi hore bo se ke ba eketseha, ho hlokahala hore ho hloekisoe sekheo le li-forging ka nako leha e le efe nakong ea tlhahiso ea forging. Lisebelisoa tsa tšepe hangata li hloekisoa ka borashe ba tšepe kapa sesebelisoa se bonolo pele se etsoa ka mor'a ho futhumatsa. Billet e nang le boholo ba karolo e kholo e ka hloekisoa ka ente ea metsi a khatello e phahameng. Letlalo la oxide holim'a liforomo tse batang le ka tlosoa ka ho kha kapa ho phatloha. Sekala sa oxide ea alloy nonferrous ha se tlase, empa se lokela ho khethoa pele le ka mor'a ho qhekella ho fumana le ho hlakola mefokolo ka nako. Litšitiso tse ka holimo tsa billet kapa forging ke haholo-holo mapetsong, mameno, mengoapo le li-inclusions. Litšitiso tsena, haeba li sa tlosoe ka nako e nepahetseng, li tla baka litlamorao tse mpe lits'ebetsong tse latelang tsa ho qhekella, haholo-holo ka aluminium, magnesium, titanium le li-alloys tsa tsona. The mefokolo pepesoa ka mor'a pickling ea nonferrous alloy forgings ka kakaretso hloekisoa ka difaele, scrapers, grinder kapa pneumatic lithulusi, joalo-joalo The mefokolo ea forgings tšepe hloekisa ka pickling, blasting (thunya), thunya blasting, rolara, vibration le mekhoa e meng.

Ho hloekisa acid

Karabelo ea lik'hemik'hale e sebelisoa ho tlosa oxide ea tšepe. Hangata li-forging tse nyenyane le tse mahareng li kenngoa ka har'a basketeng ka lihlopha 'me li phethoa ka mekhoa e mengata e kang ho tlosa oli, pickling le corrosion, ho hlatsoa le ho omisa. Mokhoa oa pickling o na le litšobotsi tsa ts'ebetso e phahameng ea tlhahiso, phello e ntle ea ho hloekisa, ha ho na deformation ea forgings le sebopeho se se nang moeli. Ts'ebetsong ea pickling ea lik'hemik'hale, ho ke ke ha qojoa ho hlahisa likhase tse kotsi 'meleng oa motho. Ka hona, ka kamoreng ea ho hlapela e lokela ho ba le lisebelisoa tsa ho ntša metsi. Li-pickling tse fapaneng tsa tšepe li lokela ho ba ho ea ka thepa ea tšepe ho khetha karo-karolelano e fapaneng ea acid le sebopeho, mokhoa o ts'oanang oa pickling (mocheso, nako le mokhoa oa ho hloekisa) o lokela ho amoheloa.

Ho phatloha ha lehlabathe (ho thunngoa) le ho hloekisa ho phatloha ha sethunya

Ho phatloha ha lehlabathe (ho thunngoa) ho tsamaisoang ke moea o hatelitsoeng ho etsa hore lehlabathe kapa lithunya tsa tšepe li tsamaee ka lebelo le phahameng (khatello e sebetsang ea ho phatloha ha lehlabathe ke 0.2-0.3mpa, 'me khatello ea ho sebetsa ea ho thunya ke 0.5-0.6mpa), e fafatsoang holim'a ho phunya bokahodimo ho hlakola sekala sa oxide. Ho thunya ho itšetlehile ka matla a bohareng a sehlomo se potolohang ka lebelo le phahameng (2000 ~ 30001r/min) ho thunya tšepeforging surfaceho theola sekhahla sa oxide. Lerōle le hloekisang lehlabathe, ts'ebetso e tlase ea tlhahiso, litšenyehelo tse phahameng, tse sebelisetsoang litlhoko tse khethehileng tsa tekheniki le lisebelisoa tse khethehileng tsa thepa (joalo ka tšepe e sa hloekang, alloy ea titanium), empa e tlameha ho sebelisa mehato e sebetsang ea thekenoloji ea ho tlosa lerōle. Shot peening e batla e hloekile, ho boetse ho na le mefokolo ea katleho e tlase ea tlhahiso le litšenyehelo tse phahameng, empa boleng ba ho hloekisa bo phahame. Ho phatloha ha sethunya ho sebelisoa haholo ka lebaka la ts'ebetso ea eona e phahameng ea tlhahiso le tšebeliso e tlase.

Shot peening le thunya blasting ke ke feela tlosa oxide letlalo, empa hape etsa hore bokaholimo forging mosebetsi o boima, e leng molemo ho ntlafatsa-ba khahlanong le mokhathala matla a likarolo. Bakeng sa ho qhekella ka mor'a ho tima kapa ho tima le ho fokotsa phekolo, phello e thata ea ho sebetsa e bohlokoa haholo ha ho sebelisoa lithunya tse kholo tsa tšepe, boima bo ka eketsoa ka 30% ~ 40%, 'me botenya bo thata bo ka fihla ho 0.3 ~ 0.5 mm. Ha ho etsoa, ​​​​tšepe e thunngoeng ka thepa e fapaneng le boholo ba lijo-thollo e lokela ho khethoa ho latela litlhoko tsa thepa le tekheniki ea forgings. Haeba lithako li hloekisoa ka ho qhomisoa (ho thunngoa) le ho phatloha, mapetsong a holim'a metsi le liphoso tse ling li ka 'na tsa patoa, tse ka bakang ho se hlahlojoe habonolo. Ka hona, mekhoa e joalo ka tlhahlobo ea makenete kapa tlhahlobo ea fluorescence (bona tlhahlobo ea 'mele le ea lik'hemik'hale ea bofokoli) ea hlokahala ho lekola bofokoli ba bokaholimo ba ho qhekella.

ho wela

Ka har'a moqomo o pota-potileng, li-forging li phunyeletsoa kapa li fatše ho tlosa letlalo la oxide le li-burrs ho tloha mosebetsing. Mokhoa ona oa ho hloekisa o sebelisa lisebelisoa tse bonolo le tse bonolo, empa o lerata. E loketse liforomo tse nyane le tse mahareng tse ka bang le tšusumetso e itseng empa eseng ho holofala habonolo. Rolara e hloekile ntle le li-abrasives, feela ka li-blocks tsa tšepe tse khutlo-tharo kapa libolo tsa tšepe tse bophara ba 10 ~ 30mm ntle le li-abrasives, haholo-holo ka tšusumetso e tšoanang ho hloekisa sekala sa oxide. E 'ngoe ke ho eketsa li-abrasive tse kang lehlabathe la quartz, lebili la ho sila, sodium carbonate, metsi a sesepa le lisebelisoa tse ling, haholo-holo ka ho sila ho hloekisa.

Ho hloekisa ho sisinyeha

Karolo e itseng ea li-abrasives le li-additives li kopantsoe ka har'a forgings ebe li kenngoa ka har'a setshelo se sisinyehang. Ka ho sisinyeha ha setshelo, sesebelisoa sa mosebetsi le abrasive li fatše ka bobeli, 'me letlalo la oxide le li-burrs holim'a li-forgings li fatše. Mokhoa ona oa ho hloekisa o loketse ho hloekisa le ho bentša liforomo tse nepahetseng tse nyane le tse mahareng.