Ho hloekisa ka mokhoa oa ho qapake mokhoa oa ho tlosa bofokoli ba bokaholimo ba forging ka mekhoa ea mochini kapa ea lik'hemik'hale. E le ho ntlafatsa boleng ba holim'a li-forgings, ho ntlafatsa maemo a ho itšeha le ho thibela mefokolo ea holim'a metsi hore e se ke ea atoloha, ho hlokahala hore ho hloekisoe bokaholimo ba li-billet le forgings ka nako efe kapa efe ha ho etsoa forging.
E le ho ntlafatsa boleng ba bokaholimo baforgings, ntlafatsa maemo a ho itšeha eaforgingsle ho thibela mefokolo ea holim'a metsi hore e se ke ea atoloha, ho hlokahala ho hloekisa holim'a li-billet leforgingska nako efe kapa efe homokhoa oa ho qapa. Lisebelisoa tsa tšepehangata li futhumatsoa peleforgingka borashe ba tšepe kapa sesebelisoa se bonolo sa ho tlosa sekala sa oxide. Sekheo se nang le boholo ba karolo e kholo se ka hloekisoa ka ente ea metsi a khatello e phahameng. Litekanyo holim'a li-forging tse batang li ka tlosoa ka ho kha kapa ho phatloha (pellets). Nonferrous alloy oxide scale ha e fokotsehe, empa pele le ka mor'a ho qhekella ho hloekisa, ho lemoha ka nako le ho tlosa bofokoli. Litšitiso tse ka holimo tsa billet kapa forgings haholo-holo li kenyelletsa mapetsong, mameno, mengoapo le li-inclusions. Haeba liphoso tsena li sa tlosoe ka nako, li tla ba le litlamorao tse mpe tšebetsong e latelang ea forging, haholo-holo ka aluminium, magnesium, titanium le li-alloys tsa tsona. Litšitiso tse pepesitsoeng ka mor'a ho khethoa ha li-alloy forgings tse se nang ferrous hangata li hloekisoa ka lifaele, li-scrapers, grinders kapa lisebelisoa tsa moea. The mefokolo ea forgings tšepe hloekisa ka pickling, lehlabathe blasting (thunya), thunngoa blasting, rolara, vibration le mekhoa e meng.

Ho hloekisa asiti

Ho tlosoa ha metal oxides ka lik'hemik'hale. Bakeng sa liforomo tse nyane le tse mahareng li atisa ho kenngoa ka basketeng ka lihlopha, ka mor'a ho tlosoa ha oli, pickling corrosion, rinsing, drying le mekhoa e meng. 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 sa thibeloang. Pickling chemical reaction process e tla hlahisa likhase tse kotsi, ka hona, kamore ea ho khetha e lokela ho ba le sesebelisoa sa ho tima. Li-pickling tse fapaneng tsa tšepe li lokela ho khetha karo-karolelano e fapaneng ea acid le sebopeho ho latela thepa ea tšepe, 'me u nke mokhoa o ts'oanang oa ho khetha (mocheso, nako le mokhoa oa ho hloekisa).

Ho phatloha ha lehlabathe (ho thunngoa) le ho hloekisa ho phatloha ha sethunya
Ka moea o hatelitsoeng e le matla a sandblasting (thunya), etsa hore lehlabathe kapa tšepe e thunngoe e hlahisoa ka lebelo le phahameng (khatello ea ho sebetsa ea sandblasting ea 0.2 ~ 0.3Mpa, khatello ea ho sebetsa ea 0.5 ~ 0.6Mpa), jete ho ea holimo fokotsa sekhahla sa oxide. Ho phatloha ho etsoa ka lebelo le phahameng (2000 ~ 30001r/min) matla a potolohang a centrifugal a impeller, tšepe e thunngoeng sebakeng sa forging ho theola sekala sa oxide. Lerōle la lehlabathe, ts'ebetso e tlase ea tlhahiso, litšenyehelo tse phahameng, tse sebelisoang haholo bakeng sa litlhoko tse khethehileng tsa tekheniki le lisebelisoa tse khethehileng tsa thepa (joalo ka tšepe e sa hloekang, alloy ea titanium), empa e tlameha ho nka mehato e sebetsang ea tekheniki 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 bakeng sa katleho ea eona e phahameng ea tlhahiso le tšebeliso e tlase.
Shot peening le thunya blasting hloekisa, ka nako e tšoanang, kokota theoha oxide e sekaleng, etsa forging holim'a mosebetsi o thatafala, ho thusa ho ntlafatsa mokhathala ho hanyetsa likarolo. Bakeng sa forgings ka mor'a quenching kapa quenching le tempering kalafo, mosebetsi o thatafatsa phello e bohlokoa haholo ha o sebelisa e khōlō boholo tšepe thunngoa, ho thatafala ka eketsoa ka 30% ~ 40%, 'me botenya ba lera thatafatsa ka fihla 0.3 ~ 0.5mm. Ka tlhahiso ho ea ka litlhoko tsa lintho tse bonahalang le botekgeniki ea forgings ho khetha lintho tse bonahalang tse fapaneng le phatsa boholo ba tšepe thunngoa. Tšebeliso ea ho phatloha ha lehlabathe (ho thunngoa) le mokhoa oa ho qhomisa lithunya ho hloekisa mapheo, mapetsong a holim'a metsi le mefokolo e meng e ka 'na ea koaheloa, ho bonolo ho baka hore e se ke ea fumanoa. Ka hona, hoa hlokahala ho sebelisa tlhahlobo ea bofokoli ba makenete kapa tlhahlobo ea fluorescence (bona tlhahlobo ea 'mele le ea lik'hemik'hale ea likoli) ho lekola bofokoli ba bokaholimo ba forging.

ho wela
Li-forging, ka moqomo o potolohang, li thulana kapa li sila ho tlosa sekala sa oxide le burr ho tloha mosebetsing. Mokhoa ona oa ho hloekisa o sebelisa lisebelisoa tse bonolo le tse bonolo, empa lerata le leholo. E loketse bakeng sa forgings tse nyane le tse mahareng tse ka bang le tšusumetso e itseng mme ho seng bonolo ho li holofatsa. Ho hloekisoa ha meropa ha ho na ntho e senyang, feela eketsa tšepe e khutlo-tharo kapa bolo ea tšepe bophara ba 10 ~ 30mm ea ho hloekisa e sa hloekiseng, haholo-holo ka ho thulana ho tlosa sekala sa oxide. E 'ngoe ke ho eketsa lehlabathe la quartz, likotoana tsa lebili le silang le li-abrasives tse ling, sodium carbonate, metsi a sesepa le li-additives tse ling, haholo-holo ka ho sila bakeng sa ho hloekisa.

Ho hloekisa ho sisinyeha
Ka forgings tsoakane le karolo e itseng ea abrasives le additives, beha ka setshelo thothomela, ka thothomela ea setshelo, e le hore workpiece le abrasive sila mong ho e mong, holim'a forgings oxide e le burr tima. Mokhoa ona oa ho hloekisa o loketse ho hloekisoa le ho belisoa ha li-forging tse nepahetseng tse nyane le tse mahareng.