Lintho tsa Motheo Ho Khetha Likarolo tsa Sandblasting

Lehlabathe e ne e le sekhopo se atileng haholo se sebelisoang ts'ebetsong ena, ke ka hona lebitso la sandblasting. Lilemong tse 50 tse fetileng, lisebelisoa tse eketsehileng li fetotsoe bakeng sa mokhoa oa ho hloekisa.

Kajeno, mantsoe a "media blasting le abrasive blast clean" a hlalosa mokhoa ona ka nepo, kaha lisebelisoa tsa ho phatloha li ka kenyelletsa palo efe kapa efe ea lihlahisoa, joalo ka slag ea mashala, garnet, lifaha tsa khalase, likhetla tsa walnut le li-corncobs.

Ho phatloha ha mecha ea litaba ho ka sebelisoa hoo e batlang e le karolong e 'ngoe le e 'ngoe ea terekere, ha ho fanoe ka motsoako o nepahetseng oa lisebelisoa tsa mecha ea litaba, khatello ea moea, molumo, le molomo oa ho phatloha.

Lintlha tse latelang ke tse ling tsa motheo ha ho tluoa tabeng ea ho khetha likarolo.

Compressor
Air compressor ke karolo ea bohlokoa ka ho fetisisa ea ts'ebetso ea sandblasting. E fana ka molumo oa moea le khatello ea ho tsamaisa mecha ea phatlalatso e senyang leha hose le molomo oa ho phatloha ka lebelo le lekaneng ho tlosa sekala, mafome kapa liphahlo tse tsofetseng sebakeng seo ho shebiloeng ho sona.

Bakeng sa ho phatloha ha khabinete, 3 ho isa ho 5 cubic feet ka motsotso (cfm) e ka ba e lekaneng, o re. Bakeng sa mesebetsi e meholoanyane, mefuta e fapaneng ea 25 ho isa ho 250 cfm e ka hlokahala.

Ha u khetha pitsa ea ho phatloha kapa khabinete, ho na le mefuta e 'meli eo u ka khethang ho eona: phepelo ea ho monya le phepelo ea khatello.

Mekhoa ea ho fepa
Sistimi ea phepelo ea ho monya e sebetsa ka ho phunya li-abrasive ka kotloloho ka sethunya se phatlohileng. Sena se itšetlehile ka moea oa compressor o feptjoang ka sethunya se phatlohang ho etsa vacuum. Ha sethunya se hlahisoa, setlolo se kenngoa ka har'a mohala oa phepelo ho sethunya sa ho phatloha. Moea o phonyohang ebe o isa ntho e khopang ho e isa sebakeng seo ho shebiloeng ho sona.

Ka lehlakoreng le leng, litsamaiso tse fepelang khatello ea kelello li boloka li-abrasive ka har'a sejana kapa pitsa. Pitsa e sebetsa ka khatello e lekanang le ea hose ea thepa. Belofo ea taolo e behiloeng tlase ho pitsa e metha mokelikeli o kenang moeeng oa lebelo le phahameng. Ka mor'a moo, moea o phallang o tsamaisa abrasive ka hose ea ho phatloha ho ea sebakeng sa mosebetsi.

The blast nozzle ke sesebelisoa se sebelisetsoang ho eketsa lebelo la ts'ebetso ea sandblasting abrasive. Le hoja ho na le mefuta e mengata e fapaneng ea li-nozzles, ho na le tse 'nè tse tloaelehileng.

* Nozzle e otlolohileng e etsa paterone e thata ea ho hloekisa matheba kapa ho phatloha ha khabinete. Hangata e sebelisetsoa ho hloekisa likarolo tse nyenyane.

* Nozzle ea venturi ke khetho e ntle ka ho fetisisa bakeng sa tlhoekiso e phahameng ea lihlahisoa tse kholo. Leha ho le joalo, ke habohlokoa ho hlokomela hore ha ho phatloha ka likhatello tse phahameng (100 psi kapa ho feta), li-abrasives li ka fihla lebelo la ho feta 500 mph.

* Ho ka nahanoa hore molomo o phatlohileng oa li-venturi tse peli ke lithupa tse peli tse behiloeng ka lehlakoreng le leng. Likoti tse kenyang moea 'meleng oa molomo oa molomo li lumella moea oa compressor hore o kopane le moea oa sepakapaka. Ketso ena ea venturi e eketsa cfm hape e eketsa boholo ba mokhoa oa ho phatloha. Deardorff o hlokomela hore nozzle ea venturi e habeli ke khetho e ntle ka ho fetisisa bakeng sa tlhoekiso ea khatello e tlase. Sena se bakoa ke hore ts'ebetso ea likoti tse kenyang moea li na le bokhoni ba ho jara li-abrasives tse boima, tse teteaneng ka hose ea thepa ka khatello e tlase.

* Molomo oa fene o hlahisa mokhoa oa fene o sebelisetsoang ho phatloha libaka tse kholo, tse bataletseng. Nozzle ea fan e hloka molumo o eketsehileng oa moea oa cfm bakeng sa ts'ebetso.

Li-nozzles li fumaneha hape ka khetho ea lisebelisoa tsa lesela, tse kenyelletsang aluminium, tungsten carbide, silicon carbide, le boron carbide. Ka tlhaho, khetho e itšetlehile ka tekanyetso ea hau le mathata a mosebetsi. Hopola feela hore tšebeliso ea mecha ea litaba e eketseha ka ho roala li-nozzle.

Tsohle ka Abrasives
Lintlha tse amang ts'ebetso ea abrasive li kenyelletsa tse latelang.

* Ho thatafala ha litšila, ho bola, kapa masela a tsofetseng a tla tlosoa.

* Sebopeho sa bokaholimo le kutloisiso.

* Boleng ba ho hloekisa bo hlokahalang.

* Mofuta oa abrasive.

* Litšenyehelo le litšenyehelo tsa ho lahla.

* Bokhoni ba ho sebelisa hape.

Abrasive ke karolo ea ts'ebetso efe kapa efe ea ho phatloha e hlileng e etsang mosebetsi oa ho hloekisa. Ho na le lihlopha tse 'nè tse kholo tsa thepa ea abrasive.

* Li-abrasives tsa tlhaho li kenyelletsa lehlabathe la silika, lehlabathe la liminerale, garnet, le specular hematite. Tsena li nkoa e le li-abrasives tse sebelisoang haholo 'me li sebelisoa haholo-holo bakeng sa ho qhomisa ka ntle.

* Li-abrasive tse entsoeng ke motho kapa tse entsoeng ke batho, tse kang lifaha tsa khalase, aluminium oxide, silicon carbide, steel shot le media media, li ka sebelisoa hape ’me li ka sebelisoa mecheng e lumellang ho hlaphoheloa le ho sebelisoa hape.

* Li-abrasives tse entsoeng ka lihlahisoa - tse kang slag ea mashala, e leng sehlahisoa sa lihlahisoa tsa motlakase oa mashala - li nkoa e le li-abrasive tse sebelisoang ka ho fetisisa ka mor'a lehlabathe la silica.

* Li-abrasives tse seng tsa tšepe hangata li hlophisoa e le lisebelisoa tsa tlhaho. Tsena li kenyelletsa lifaha tsa khalase, mecha ea phatlalatso ea polasetiki, le mefuta ea lijo-thollo tse kang li-corncobs, starch ea koro, likhetla tsa pecan, likhetla tsa coconut le likhetla tsa walnut. Li-abrasives tsa tlhaho li sebelisoa ha ho hlokahala tšenyo e fokolang ea holim'a metsi.

Sebopeho le Thatafalo
Lintlha tse ling ha u khetha abrasive ke sebopeho sa 'mele le boima.

"Sebōpeho sa abrasive se tla khetholla boleng le lebelo la ho phatloha," ho bolela Deardorff. "Li-abrasives tse nang le li-angular, tse bohale, kapa tse sa tloaelehang li tla hloekisa ka potlako le ho koala sebaka se lebisitsoeng. Li-abrasives tse chitja kapa tse chitja li tla hloekisa likarolo ntle le ho tlosa lisebelisoa tse ngata haholo."

Ho thatafala, ho sa le joalo, ha ho ame feela lebelo leo e hloekisang ka lona, ​​​​empa le palo ea lerōle le hlahisoang le sekhahla sa ho senya, se nang le phello e tobileng ho matla a ho tsosolosa.

Ho thatafala ha abrasive ho arotsoe ka tekanyo ea Mohs - palo e phahameng ho tloha ho 1 (talc) ho ea ho 10 (taemane), sehlahisoa se thata haholoanyane.

Haeba u khahlehela Abrasive Blast Nozzle 'me u batla lintlha le lintlha tse ling, u ka ITELANA le RONA ka mohala kapa ka lengolo-tsoibila ka letsohong le letšehali, kapa U RE ROME MAIL botlaaseng ba leqephe.