Selelekela saHo qhomisa lehlabathe

Lentsoe "sandblasting" le hlalosa ho phatloha ha lintho tse senyang holim'a metsi ka ho sebelisa moea o hatelitsoeng. Le hoja ho qhomisoa ha lehlabathe hangata ho sebelisoa e le sekhele bakeng sa mekhoa eohle ea ho qhomisa ka bohale, e fapane le ho phatloha ha lithunya moo mecha ea litaba e senyang e tsamaisoang ke lebili le ohiang.

Sandblasting e sebelisoa ho tlosa pente, mafome, lithōle, mengoapo le matšoao a tsoang holimo empa e ka boela ea fihlela phello e fapaneng ka ho qoelisa bokaholimo ho eketsa moetso kapa moralo.

Lehlabathe ha le sebelisoe hangata ha ho qhomisoa lehlabathe kajeno ka lebaka la likotsi tsa bophelo bo botle le mathata a amanang le mongobo. Mekhoa e meng e kang grit ea tšepe, lifaha tsa khalase le aluminium oxide joale li ratoa har'a mefuta e meng e mengata ea mecha ea litaba.

Sandblasting e sebelisa moea o hatelitsoeng ho tsamaisa lisebelisoa tse chefo, ho fapana le ho phatloha ha sethunya, ho sebelisang mochini oa ho phatloha ha lebili le matla a bohareng bakeng sa ho sututsa.

Sandblasting ke Eng?

Sandblasting, eo hangata e bitsoang abrasive blasting, ke mokhoa o sebelisoang ho tlosa tšilafalo ea bokaholimo, boreleli libaka tse mahoashe, le libaka tse boreleli tse boreleli. Ona ke mokhoa o theko e tlase haholo ka lebaka la lisebelisoa tsa ona tse theko e tlase, 'me o bonolo ha o ntse o fana ka liphetho tsa boleng bo holimo.

Ho qhomisa lehlabathe ho nkuoa e le mokhoa o bobebe oa ho phatloha ha o bapisoa le oa ho thunya. Leha ho le joalo, matla a ka fapana ho itšetlehile ka mofuta oa lisebelisoa tsa sandblasting, khatello ea moea o hatelitsoeng, le mofuta oa mecha ea phatlalatso e sebelisoang.

Sandblasting e fana ka mefuta e mengata e fapaneng ea lisebelisoa tsa abrasive tse sebetsang hantle lits'ebetsong tse fapaneng, joalo ka ho tlosa pente le tšilafalo ea bokaholimo bo bobebe ka matla. Ts'ebetso e boetse e nepahetse bakeng sa ho hloekisa likarolo tsa elektronike tse bobebe le lihokelo tse ruruhileng hantle. Lisebelisoa tse ling tsa sandblasting tse hlokang matla a maholo a ho phatloha li ka sebelisa boemo ba khatello e phahameng le mecha ea phatlalatso e senyang haholoanyane.

Mokhoa oa Sandblasting o Sebetsa Joang?

Mokhoa oa ho qhomisa lehlabathe o sebetsa ka ho sutumelletsa mecha ea phatlalatso ea sandblasting holimo ka tšebeliso ea sandblaster. Sandblaster e na le likarolo tse peli tse kholo: pitsa ea ho phatloha le ho kenya moea. Pitsa ea blast e tšoara mecha ea phatlalatso e phatlohang 'me e kopanya likaroloana ka valve. Ho kenngoa ha moea ho tsamaisoa ke compressor ea moea e sebelisang khatello ho mecha ea litaba ka hare ho kamore. E tsoa ka nozzle ka lebelo le phahameng, e ama bokaholimo ka matla.

Sandblast e ka tlosa litšila, ea hloekisa bokaholimo, ea tlosa pente, 'me ea ntlafatsa bokaholimo ba thepa. Liphello tsa eona li itšetlehile haholo ka mofuta oa abrasive le thepa ea eona.

Lisebelisoa tsa morao-rao tsa sandblast li na le mokhoa oa ho hlaphoheloa o bokellang mecha ea phatlalatso e sebelisoang le ho tlatsa pitsa ea ho phatloha.

Thepa ea Lehlabathe

Compressor - The compressor (90-100 PSI) e fana ka phepelo ea moea e hatelitsoeng e tsamaisang mecha ea litaba e senyang holim'a thepa. Khatello, molumo, le matla a lipere hangata ke lintlha tsa bohlokoa tseo u lokelang ho li ela hloko ha u khetha sekontiri se loketseng sa sandblasting.

Sandblaster - Sandblasters (18-35 CFM - cubic feet ka motsotso) fana ka mecha ea phatlalatso e senyang lintho tse sebelisang moea o hatelitsoeng. Li-sandblasters tsa indasteri li hloka sekhahla se phahameng sa phallo ea volumetric (50-100 CFM) kaha li na le sebaka se seholo sa ts'ebeliso. Ho na le mefuta e meraro ea li-sandblasters: li-gravity-fed, li-pressure blasters (khatello e ntle), le siphon sandblasters (khatello e mpe).

Khabinete ea ho phatloha - Khabinete e phatlohang ke seteishene sa ho phatloha se nkehang habobebe seo e leng sistimi e nyane e koaletsoeng. Hangata e na le likarolo tse 'ne: khabinete, sisteme ea ho phatloha ho hoholo, ho e sebelisa hape le pokello ea lerōle. Likhabinete tse phatlohang li sebetsoa ka ho sebelisa masoba a liatlana bakeng sa matsoho a opereishene le pedal ea leoto bakeng sa ho laola ho phatloha.

Ho phatlohaKamore - Kamore ea ho phatloha ke sebaka se ka amohelang lisebelisoa tse fapaneng tseo hangata li sebelisetsoang merero ea khoebo. Likarolo tsa lifofane, thepa ea kaho, le likarolo tsa koloi li ka hloekisoa ka lehlabathe hamonate ka phaposing e phatlohileng.

Sistimi ea ho khutlisa ho phatloha - Thepa ea sejoale-joale ea lehlabathe e na le lits'ebetso tsa ho hlaphoheloa tse phatlollang tse khutlisang mecha ea litaba ea ho phatloha ha lehlabathe. E boetse e tlosa litšila tse ka bakang tšilafalo ea mecha ea litaba.

Cryogenic deflashing system - Lithempereichara tse tlase tse tsoang lits'ebetsong tsa cryogenic deflashing li lumella ho senyeha ho sireletsehileng ha thepa, joalo ka diecast, magnesium, polasetiki, rabara le zinki.

Lisebelisoa tsa ho phatloha ha metsi - Ho phatloha ha metsi ho kenyelletsa metsi ka har'a mecha ea phatlalatso ea abrasive ho fokotsa mocheso o feteletseng ho tloha khohlano. Hape ke mokhoa o bonolo oa ho khoasolla ha o bapisoa le ho phatloha ho omileng kaha o hohla feela sebaka seo ho sebetsoang ho sona.

Mecha ea phatlalatso ea lehlabathe

Joalo ka ha lebitso le fana ka maikutlo, mefuta ea pejana ea sandblasting e ne e sebelisoa haholo-holo lehlabathe ka lebaka la ho fumaneha ha lona, ​​empa e ne e e-na le mefokolo ea eona ka mokhoa oa mongobo le litšila. Ntho e amehang haholo ka lehlabathe e le ntho e senyang ke likotsi tsa bophelo ba lona. Ho hema likaroloana tsa lerōle la silika ho tloha lehlabatheng ho ka baka mafu a tebileng a ho hema, ho akarelletsa le silicosis le kankere ea matšoafo. Kahoo, mehleng ea kajeno lehlabathe ha le sebelisoe seoelo ’me le nkeloe sebaka ke lintho tse ngata tsa morao-rao tse chehang.

Mecha ea phatlalatso ea ho phatloha e fapana ho latela sebaka se lakatsehang kapa sesebelisoa. Mecha e meng e tloaelehileng ea ho phatloha e kenyelletsa:

Aluminium oxide grit (8-9 MH - Mohs hardness scale) - Thepa ena e qhomisang e bohale haholo e loketseng ho lokisoa le ho phekola holim'a metsi. E boloka chelete hantle kaha e ka sebelisoa hape hangata.

Aluminium silicate (mashala slag) (6-7 MH) - Sehlahisoa sena sa lihlahisoa tsa motlakase oa mashala ke mecha ea litaba e theko e tlaase le e ka sebelisoang. Indasteri ea oli le sebaka sa likepe e e sebelisa ts'ebetsong ea ho phatloha ka mokhoa o bulehileng, empa e chefo haeba e pepesehetse tikoloho.

Grit Grit Grit (5-6 MH) - Ho phatloha ha grit ea khalase ho sebelisa lifaha tsa khalase tse se nang chefo le tse sireletsehileng. Mecha ena ea ho phatloha lehlabathe e sebelisetsoa ho tlosa liphahlo le tšilafalo ho tloha holimo. Grit ea khalase e pshatlehileng e ka boela ea sebelisoa ka katleho ka metsi.

Soda (2.5 MH) - Ho phatloha ha soda le ho feta ho sebetsa ka bonolo ho tlosa mafome a tšepe le ho hloekisa libaka ntle le ho senya tšepe e ka tlaase. Sodium bicarbonate (soda ea ho baka) e tsamaisoa ka khatello e tlase ea 20 psi ha e bapisoa le ho phatloha ha lehlabathe ho tloaelehileng ho 70 ho isa ho 120 psi.

Steel grit & steel shot (40-65 HRC) - Li-abrasives tsa tšepe li sebelisoa bakeng sa mekhoa ea ho lokisa holim'a metsi, joalo ka ho hloekisa le ho khabisa, ka lebaka la bokhoni ba bona ba ho hlobola kapele.

Staurolite (7 MH) - Mecha ea phatlalatso ea ho phatloha ke silicate ea tšepe le lehlabathe la silika e loketseng ho tlosa libaka tse tšesaane tse nang le mafome kapa liaparo. Hangata e sebelisoa bakeng sa ho etsa tšepe, ho haha ​​tora le likepe tse tšesaane tsa polokelo.

Ntle le mecha ea litaba e boletsoeng ka holimo, ho na le tse ling tse ngata tse fumanehang. Hoa khoneha ho sebelisa silicon carbide, e leng mecha ea phatlalatso e thata ka ho fetisisa e fumanehang, le lithunya tsa tlhaho, tse kang likhetla tsa walnut le likoti tsa poone. Linaheng tse ling, lehlabathe le ntse le sebelisoa le kajeno, empa mokhoa ona oa belaella kaha likotsi tsa bophelo bo botle ha li na lebaka.

Shot Media Properties

Mofuta o mong le o mong oa mecha ea litaba o na le lisebelisoa tsena tse 4 tsa mantlha tseo basebelisi ba ka li nahanang ha ba khetha seo ba ka se sebelisang:

Sebopeho - Mecha ea litaba ea Angular e na le likarolo tse bohale, tse sa tloaelehang, tse etsang hore e atlehe ho tlosa pente, mohlala. Mecha ea litaba e pota-potileng e na le mahlahahlaha ho feta mecha ea phatlalatso ea angular 'me e siea ponahalo e bentšitsoeng.

Boholo - Mesh ea boholo bo tloaelehileng bakeng sa sandblasting ke 20/40, 40/70, le 60/100. Li-profiles tse kholoanyane tsa mesh li sebelisetsoa ts'ebeliso e mabifi ha li-profiles tse nyane tsa mesh e le tsa ho hloekisa kapa ho bentša ho hlahisa sehlahisoa se felileng.

Density - Mecha ea litaba e nang le boima bo phahameng e tla ba le matla a mangata holim'a tšepe ha e ntse e tsamaisoa ke hose e phatlohileng ka lebelo le tsitsitseng.

Ho thatafala - abrasi e thata haholoanyaneli-ves li hlahisa tšusumetso e kholo holim'a boemo ba profil ha li bapisoa le li-abrasives tse bonolo. Ho thatafala ha mecha ea litaba molemong oa ho qhomisa lehlabathe hangata ho lekanyetsoa ka sekala sa boima ba Mohs (1-10). Mohs e lekanya ho tiea ha liminerale le thepa ea maiketsetso, e bonts'ang khanyetso ea liminerale tse fapaneng ka bokhoni ba lisebelisoa tse thata ho hopa lisebelisoa tse bonolo.