Kamore e kholo ea lehlabathe
Likamore tse kholo- tsa ho qhomisa lehlabathe ke lisebelisoa tsa bohlokoa tse hlokahalang- tsa mosebetsi o boima haholo lefapheng la indasteri, tse sebelisoang haholo ho hloekisa ka mokhoa o ts'oanang le ho alafa esale pele-mesebetsi e meholo le e boima. Ka tlase, ke tla u fa tlhahlobo e felletseng ho tsoa likarolong tse peli: likarolo tsa ts'ebeliso le tsebo ea ts'ebeliso.
I. Maemo a mantlha a ts'ebeliso ea Likamore tse kholo tsa-le Sandblasting
Mosebetsi oa mantlha oa kamore e kholo ea lehlabathe ke ho hloekisa le ho imolla khatello ea maikutlo, ho fana ka motheo o nepahetseng oa holim'a lits'ebetso tse latelang tse kang ho fafatsa, ho roala le ho tlama.
Sebopeho sa tšepe le lebala la kaho
Marokho, liteishene tsa motlakase, le litanka tsa polokelo: Tlosa sekala, mafome le liphahlo tsa khale ho fihlela boemo ba bohloeki ba Sa2.0-2.5 kapa ho feta.
Tlhokomelo e tloaelehileng ea meaho ea meaho ea tšepe le maballo a H- pele o fafatsa lintja tse thibelang ho bola{1}kapa tse thibelang mollo.
Boenjiniere ba Likepe le Leoatle
Likarolo tsa li-hull, decks le cabins: ho tlosa mafome a maholo- le ho tlosa pente ea khale.
Mehaho le lisistimi tsa libakete tsa kantle ho lebopo: Thibelo{0}} ea ho thibela kutu bakeng sa tikoloho e thata ea Leoatleng.
Lipalangoang
Ho hloekisa holim'a metsi bakeng sa litokiso tse kholo tsa tlhokomelo kapa kaho e ncha ea literene le likariki (haholo-holo likoloi tsa litanka).
Liforeimi tse kholo tsa literaka, likarolo tsa meralo ea mochini oa kaho: joalo ka liepo, li-crane booms, jj.
Matla le Thepa e boima
Ho qhomisoa lehlabathe ha marako a ka hare le ka ntle a litora tsa phepelo ea matla a moea ke mokhoa oa bohlokoa oa ho thibela ho bola{0}
Lijana tsa khatello, li-boilers le lisebelisoa tsa lik'hemik'hale: Ho hloekisa seam, ho tlosoa ka hare ho lebota la oxide le ntlafatso ea matla a mokhathala.
Li-castings tse kholo le li-forging: Tlosa lithollo tsa lehlabathe le sekala sa oxide ho pepesa bofokoli ba bokaholimo.
Sepakapaka
Likarolo tsa lifofane, lik'hasete tsa lirokete: Kalafo-pele bakeng sa ho imolla khatello ea maikutlo, ho matlafatsa kapa ho kopanya likarolo tse itseng.
Ii. Tsebo ea Bohlokoa ea Tšebeliso le Mekhoa e Molemohali ea Likamore tse Khōlō- tsa Kamore ea Lehlabathe
Tšebeliso e nepahetseng le tlhokomelo ke motheo oa ho netefatsa ts'ebetso e ntle, ea moruo le e bolokehileng ea phaposi ea lehlabathe.
(1) Tokisetso le moralo pele ho ts'ebetso
Sebopeho sa workpiece le hoisting
Rera litsela tsa ho kena le ho tsoa tsa sebaka sa mosebetsi le maemo a ho potoloha / ho sisinyeha nakong ea lehlabathe ho netefatsa hore libaka tsohle li ka koaheloa ka katleho.
Bakeng sa likarolo tse ling-tse telele (joalo ka lisilindara), hoa hlokahala ho sebelisana le liporo tsa fatše tsa ka tlung le literoli tsa sandblasting bakeng sa ho phatloha ha lehlabathe ka likaroloana.
Sebelisa bolelele ba kamore ea sandblasting ka botlalo 'me u sebelise-mekhoa e mengata ea ho fanyeha ho sebetsana le likaroloana tse nyane, ka hona ho ntlafatsa sekhahla sa tšebeliso ea sebaka.
Khetho e makatsang le ho itokisa
Khetha ho latela litlhoko tsa ts'ebetso:
Metal abrasives (cast steel sand sand, wire cut shot) : Boima bo phahameng, bophelo bo bolelele ba tšebeletso, bo ka sebelisoang hape, bo loketseng ho matlafatsa phekolo le ho tlosa mafome ka kakaretso.
Non-metallic abrasives (brown corundum, quartz sand, garnet) : Li na le ho thatafala ho hoholo le matla a matla a ho itšeha, 'me li loketse mafome a thata kapa ho phekola majoe. Leha ho le joalo, li hlahisa lerōle le lengata ’me li tsofala kapele.
Ha li-abrasives tse ncha li sebelisoa ka lekhetlo la pele, li hloka ho tsamaea ka mokhoa oa "ho se na letho" ho tlosa lerōle le litšila tse ka hare ho tsona.
Ho kopanya abrasive: Tšebeliso ea li-abrasives tse ncha le tsa khale ka tekanyo e itseng (e kang 3: 7) e ke ke ea tiisa feela hore ho itšeha ho sebetsa hantle empa hape ho fokotsa litšenyehelo.
(2) Mekhoa ea mantlha ts'ebetsong ea ho phatloha ha lehlabathe
Khatello ea moea le taolo ea ho phalla
Khatello ea moea e sebetsa e le mohloli oa matla: ka kakaretso, khatello ea ho sebetsa e hloka ho bolokoa pakeng tsa 0.6 le 0.8 MPa. Khatello e tlaase e lebisa katlehong e tlaase ea ho hloekisa. Khatello e feteletseng e ka senya habonolo ntho e hlabang, ea potlakisa ho taboha le ho taboha ha thepa, 'me mosebetsi o ka boela oa holofala.
Sekhahla sa phallo ke senotlolo sa katleho: Fetola valve ea abrasive ho netefatsa phepelo e tšoanang le e tsoelang pele ea abrasive. Ho phalla ho sa tsitsang ho ka lebisa ho mahlahahlaha a sa lekaneng a holim'a metsi.
Ho fafatsa mekhoa ea ts'ebetso ea lithunya
Angle: Sethunya sa spray hangata se le Angle ea 70℃ho 80℃ho ea holimo ho workpiece (e thibetsoe ka thata ho fafatsa ka Angle e otlolohileng ea 90℃, kaha e ka baka li-craters tse tebileng haholo). Bakeng sa libaka tse tenyetsehang kapa lipoleiti tse tšesaane, Angle e ka ba nyane.
Sebaka: Hangata e bolokiloe pakeng tsa 300 le 700 mm. Sebaka se haufi haholo, se bakang ho koaheloa ho matla haholo le mahlahahlaha a maholo. Sebaka se hole haholo, matla a lahlehile mme katleho e tlase.
Lebelo la motsamao le tsela: Boloka lebelo le tsitsitseng le le ts'oanang la motsamao, 'me u sebelise mokhoa oa ho fiela o pharallang kapa oa longitudinal (ka ho fetana hoo e ka bang 1/3) ho qoba ho siuoa kapa ho fafatsa ho feteletseng sebakeng.
Papiso ea mohlala e bonoang
Sebelisa lisampole tse tloaelehileng tsa ISO 8501-1 kapa SSPC-Vis ka nako efe kapa efe ho bapisa limaraka tsa bohloeki ka mor'a ho phatloha ha lehlabathe (joalo ka Sa 2.0, Sa 3).
Sebelisa sebapi sa ho khoasolla kapa teipi ea ho pheta-pheta ho lekola boemo ba bokaholimo (boeko) ho netefatsa hore bo fihlela litlhoko tsa ho roala (hangata li-microns tse 50-100).
(3) Tlhokomelo ea lisebelisoa le ho ntlafatsa tsamaiso
Sistimi ea ho tlosa lerole ke mohala oa bophelo:
Letsatsi le letsatsi: Sheba phapang ea khatello ea cartridge / filthara mokotla 'me u hloekise molora ka nako.
Khafetsa: Lekola hore na sistimi ea pulse reverse reverse blowing e sebetsa hantle ho netefatsa ts'ebetso e ntle ea ho tlosa lerōle. Mokhoa o hlōlehileng oa ho tlosa lerōle o ka lebisa ponahalong e tlaase haholo, e leng kotsi ho bophelo bo botle 'me e ama boleng ba sandblasting.
Sistimi ea ho hlaphoheloa le ho hlopha abrasive
Kamehla hlahloba conveyor ea scraper 'me u hloekise lithōle skrineng ho thibela ho thibela.
Lekola phello ea matla a khoheli ea karohano (haeba ho sebelisoa li-abrasives tsa tšepe) ho netefatsa hore lerōle, litšila le li-abrasives tse ka sebelisoang li ka aroloa ka nepo.
Lerōle le likaroloana tse ntle li lokela ho tlosoa ka ho feletseng tsamaisong ea ho hlaphoheloa kamehla. Ke tsona lisosa tse ka sehloohong tsa ho fokotsa katleho ea sandblasting le ho roala lisebelisoa.
Fafatsa lithunya 'me u roale-karolo e thibaneng
Theha moralo oa kamehla oa ho nchafatsa, haholo-holo{0}karolelano ea likarolo tse sa sebetsaneng joalo ka li-nozzles, lipeipi tse qhomisang lehlabathe, le li-tubes tsa Venturi. Li-nozzles tse tsofetseng li ka holofatsa haholo phallo ea abrasive, tsa fokotsa ts'ebetso ka ho feta 20%.
Li-nozzles tse entsoeng ka{0}}ka lintho tse thata tse kang ceramic kapa boron carbide li na le nako e telele ea bophelo ho feta tse entsoeng ka tungsten carbide e tloaelehileng.
(4) Tšireletseho le Tšireletso ea Tikoloho
Tšireletso ea basebetsi
Basebelisi ba tlameha ho apara liaparo tse tiisitsoeng tsa ho sireletsa lehlabathe (ka helmete ea phepelo ea khase), liatlana tse boima-le lieta tsa tšireletso.
Netefatsa hore phepelo ea moea bakeng sa sutu ea ts'ireletso e hloekile, e omme ebile e lekana moea o hatelitsoeng.
Taolo ea tikoloho
Boloka khatello e fokolang e mpe ka phaposing ea lehlabathe ho thibela lerōle ho tsoa.
Ha u hloekisa motsoako oa aluminium le likarolo tsa motsoako oa magnesium, lisebelisoa tse sebelisoang li tlameha ho thibela ho phatloha{0}}.
Theha libaka tse hlakileng tsa polokeho le libaka tsa ts'ebetso, 'me batho ba sa sebetseng{0}} ba thibetsoe ka thata ho kena.
Ho lahla litšila
Lerōle le li-abrasives tse bokelletsoeng li lokela ho nkoa e le litšila tse tiileng tsa indasteri le ho lahloa ho latela melao ea lehae ea tšireletso ea tikoloho, haholo-holo ha li na le litšepe tse boima kapa likarolo tsa khale tsa pente.
Kakaretso
Tšebeliso e nepahetseng ea- ea likamore tse kholo tsa ho qhomisa lehlabathe e ka akaretsoa tjena:
Thero ea-pele: Ponahalo e utloahalang le khetho ea abrasive e nepahetseng.
Taolo ea ts'ebetso: Ho tsitsisa khatello ea moea, ho laola lebelo la phallo, ho sebetsa ka nepo, le ho etsa lipapiso khafetsa.
Tlhokomelo le tiisetso: Tšireletso ea lerōle, tiisetso ea ho sebelisoa hape, le ho chencha-likarolo tse sa tsitsang.
Ntlha ea bohlokoa ea tšireletso: Tšireletso e tiileng, ho boloka khatello e mpe, le ho lahla litšila ka tsela e loketseng.
Ka ho latela melao-motheo le mekhoa ena, ha se feela hore boleng ba sandblasting le katleho ea tlhahiso bo ka ntlafatsoa haholo, empa le tšebeliso ea li-abrasives le litšenyehelo tsa tlhokomelo ea lisebelisoa li ka fokotsoa haholo, ho netefatsa polokeho le botsoalle ba tikoloho ea ts'ebetso.
