Intshayelelo yeUkuqhunyiswa kwesanti

Igama elithi "sandblasting" lichaza ukuqhushumba kwezinto ezirhabaxa kumphezulu ngokusebenzisa umoya oxinanisiweyo. Nangona i-sandblasting isoloko isetyenziswa njengegama le-ambrela kuzo zonke iindlela zokuqhushumba kwe-abrasive, iyahluka kwi-shot blasting apho i-media e-abrasive iqhutywa livili elijikelezayo.

I-Sandblasting isetyenziselwa ukususa ipeyinti, umhlwa, inkunkuma, imikrwelo kunye namanqaku okuphosa kumphezulu kodwa inokufikelela kwisiphumo esichaseneyo ngokufaka imiphezulu ukongeza ukuthungwa okanye uyilo.

Isanti ayifane isetyenziswe ekuqhunyisweni kwesanti namhlanje ngenxa yeengozi zempilo kunye neengxaki ezinxulumene nokufuma. Iindlela ezizezinye ezifana negrit yentsimbi, amaso eglasi kunye ne-aluminiyam oxide ngoku zikhethwa phakathi kwezinye iindidi ezininzi zemidiya yokudutyulwa.

I-Sandblasting isebenzisa umoya ocinezelekileyo ukuqhubela phambili izinto ezirhawuzelayo, ngokungafaniyo nokudubula okudutyulwayo, okusebenzisa inkqubo yokuqhushumba kwevili kunye namandla ase-centrifugal okuqhubela phambili.

Yintoni iSandblasting?

Ukudubula kwesanti, okuhlala kubizwa ngokuba yi-abrasive blasting, yindlela esetyenziswayo yokususa ungcoliseko olungaphezulu, olugudileyo imiphezulu erhabaxa, kunye nemigangatho egudileyo. Le yindlela enexabiso eliphantsi ngenxa yezixhobo zayo ezingabizi kakhulu, kwaye ilula ngelixa inika iziphumo ezikumgangatho ophezulu.

Uqhushumbisi lwesanti luthathwa njengobuchule obuthambileyo bokuqhushumba xa kuthelekiswa nokudubula. Nangona kunjalo, ubunzulu bunokwahluka ngokuxhomekeke kuhlobo lwezixhobo zokuqhunyiswa kwesanti, uxinzelelo lomoya ocinezelekileyo, kunye nohlobo lwemithombo yeendaba esetyenziswayo.

I-Sandblasting inika ukhetho olubanzi lwezinto ezinqabileyo ezisebenzayo kwizicelo ezahlukeneyo, ezifana nokususa ipeyinti kunye nokungcoliswa komhlaba okukhaphukhaphu ngamandla. Le nkqubo ikwalungele ukucoca amacandelo e-elektroniki abuthathaka kunye neziqhagamshelo ezinomhlwa ngobunono. Ezinye izicelo zokuqhushumba kwesanti ezifuna amandla amakhulu okuqhushumba zinokusebenzisa isethingi yoxinzelelo oluphezulu kunye nemidiya yokudutyulwa okurhabaxa ngakumbi.

Isebenza Njani Inkqubo Yokuqhunyiswa Kwesanti?

Inkqubo yokuqhunyiswa kwesanti isebenza ngokuqhubela phambili i-sandblasting media kumphezulu ngokusebenzisa i-sandblaster. I-sandblaster ineenxalenye ezimbini eziphambili: i-blast pot kunye ne-air intake. Imbiza yokuqhushumba ibamba imidiya eqhumayo kwaye ifake amasuntswana ngevalve. Ukungena komoya kunikwa amandla yi-compressor yomoya efaka uxinzelelo kwimidiya ngaphakathi kwegumbi. Iphuma emlonyeni ngesantya esiphezulu, ichaphazela umphezulu ngamandla.

I-sandblast inokususa i-debris, icocekile imiphezulu, isuse ipeyinti, kwaye iphucule ukugqitywa komphezulu wezinto eziphathekayo. Iziphumo zayo zixhomekeke kakhulu kuhlobo lwe-abrasive kunye neempawu zayo.

Izixhobo zanamhlanje ze-sandblast zinenkqubo yokubuyisela eqokelela imidiya esetyenzisiweyo kwaye iphinde izalise ibhodwe eliqhumayo.

Izixhobo zokuqhunyiswa kwesanti

I-Compressor - I-compressor (i-90-100 PSI) inika umoya oxinzelelekileyo ohambisa i-media abrasive ebusweni bezinto eziphathekayo. Uxinzelelo, umthamo, kunye namandla eehashe zihlala zezona zinto ziphambili ekufuneka zithathelwe ingqalelo xa ukhetha icompressor yesanti efanelekileyo.

I-Sandblaster - I-Sandblasters (i-18-35 CFM - i-cubic feet ngomzuzu) ihambisa i-media e-abrasive kwizinto eziphathekayo usebenzisa umoya oxinyiweyo. I-Sandblasters ye-Industrial ifuna i-volumetric flow rate ephezulu (50-100 CFM) njengoko inommandla omkhulu wokusetyenziswa. Kukho iintlobo ezintathu ze-sandblasters: i-gravity-fed, i-pressure blasters (uxinzelelo oluhle), kunye ne-siphon sandblasters (uxinzelelo olubi).

Ikhabhinethi eqhumayo - Ikhabhinethi eqhumayo sisikhululo esiphathwayo sokuqhushumba esiyinkqubo encinci kunye necwecwe evalelweyo. Idla ngokuba namacandelo amane: ikhabhinethi, inkqubo yokuqhushumba kwe-abrasive, ukurisayikilisha, kunye nokuqokelela uthuli. Iikhabhathi eziqhumayo zisebenza ngokusebenzisa imingxuma yeglavu yezandla zomqhubi kunye neenyawo zokulawula ukuqhuma.

Ugqabhuko-dubuloigumbi - Igumbi eliqhumayo liziko elinokuthi lifake izixhobo ezahlukeneyo ezisetyenziselwa iinjongo zorhwebo. Amalungu eenqwelomoya, izixhobo zokwakha, kunye neendawo zemoto zinokukhukuliswa ngokukhululekileyo kwigumbi lokuqhushumba.

Inkqubo yokubuyisela uqhushumbo - Izixhobo zanamhlanje zokuqhunyiswa kwesanti zineenkqubo zokubuyisela ukuqhuma ezibuyisela i-sandblasting media. Ikwasusa nokungcola okunokubangela ungcoliseko lwemidiya.

Inkqubo ye-Cryogenic deflashing - Amaqondo okushisa aphantsi ukusuka kwiinkqubo ze-cryogenic deflashing zivumela ukuchithwa okukhuselekileyo kwezinto eziphathekayo, ezifana ne-diecast, i-magnesium, iplastiki, i-rubber kunye ne-zinc.

Izixhobo zokuqhuma okumanzi - Ukuqhuma okumanzi kufaka amanzi kwi-media abrasive blasting ukuze kuncitshiswe ukushisa okugqithisileyo kwi-friction. Ikwayindlela ethambileyo yokukrala xa kuthelekiswa nokuqhushumba okomileyo kuba ikhuhla kuphela indawo ekujoliswe kuyo kwindawo yokusebenza.

ISandblasting Media

Njengoko igama libonisa, iindlela zangaphambili zokuqhunyiswa kwesanti yayisetyenziselwa isanti ngenxa yokufumaneka kwayo, kodwa yayinemiqobo yayo ngendlela yokufuma kunye nezinto ezingcolisayo. Eyona nto ixhalabisayo ngesanti njenge-abrasive yimingcipheko yempilo yayo. Ukuphefumla amasuntswana othuli lwe-silica kwisanti kunokubangela izifo ezinzulu zokuphefumla, kuquka i-silica kunye nomhlaza wemiphunga. Ngaloo ndlela, kule mihla isanti ayisafane isetyenziswe kwaye uluhlu olubanzi lwezinto zale mihla zokurhabula ziye zathatha indawo yayo.

Imidiya yokuqhushumba iyahluka ngokuxhomekeke kumphezulu ofunekayo ogqityiweyo okanye ukusetyenziswa. Eminye imithombo yeendaba eqhelekileyo yokuqhushumba iquka:

I-aluminium oxide grit (8-9 MH - isikali sobunzima be-Mohs) - Esi sixhobo sokuqhushumba sibukhali ngokugqithisileyo esilungele ukulungiswa kunye nokunyangwa komhlaba. Iyonga iindleko njengoko inokuphinda isetyenziswe amaxesha amaninzi.

I-aluminium silicate (i-coal slag) (i-6-7 MH) - Le mveliso yemveliso yamandla ombane ngamalahle yimithombo yeendaba engabizi kwaye echithwayo. I-oyile kunye neshishini le-shipyard liyisebenzisa kwi-open-blasting operations, kodwa iyityhefu ukuba ibonakaliswe kwindalo.

Igrit yeglasi etyumkileyo (5-6 MH) - Ukuqhunyiswa kwegrit yeglasi kusebenzisa amaso eglasi ahlaziyiweyo angeyotyhefu kwaye akhuselekile. Le media yokuqhunyiswa kwesanti isetyenziselwa ukususa iingubo kunye nokungcoliswa kweendawo. Igrit yeglasi etyumkileyo ingasetyenziswa ngokufanelekileyo ngamanzi.

I-Soda (i-2.5 MH) - I-bicarbonate soda blasting iphumelele ekususeni ngokukhawuleza i-rust yesinyithi kunye nokucoca indawo ngaphandle kokonakalisa isinyithi esingaphantsi. I-sodium bicarbonate (i-baking soda) iqhutywe kuxinzelelo oluphantsi lwe-20 psi xa kuthelekiswa ne-sandblasting eqhelekileyo kwi-70 ukuya kwi-120 psi.

I-steel grit & steel shot (40-65 HRC) - I-abrasives yensimbi isetyenziselwa iinkqubo zokulungiswa kwendawo, ezifana nokucoca kunye ne-etching, ngenxa yokukwazi ukukhupha ngokukhawuleza.

I-Staurolite (i-7 MH) - Le midiya yokuqhuma i-silicate yentsimbi kunye nesanti ye-silica efanelekileyo yokususa iindawo ezincinci kunye ne-rust okanye iingubo. Ngokuqhelekileyo isetyenziselwa ukwenziwa kwentsimbi, ukwakhiwa kwenqaba, kunye neenqanawa zokugcina ezincinci.

Ukongeza kwimithombo yeendaba ekhankanywe ngasentla, kukho okuninzi okukhoyo. Kunokwenzeka ukuba usebenzise i-silicon carbide, eyona nto inzima kakhulu kwimidiya ye-abrasive ekhoyo, kunye ne-organic shots, njengamaqokobhe e-walnut kunye nezikhwebu zombona. Kwamanye amazwe, isanti isasetyenziswa nanamhlanje, kodwa esi senzo siyathandabuzeka njengoko iingozi zempilo zingathetheleleki.

IiPropati zeShot Media

Uhlobo ngalunye lwemidiya edubulayo luneempawu ezi-4 eziphambili ezinokuqwalaselwa ngabaqhubi xa bekhetha into oza kuyisebenzisa:

Ubume - Imidiya ye-Angular inemiphetho ebukhali, engaqhelekanga, eyenza ukuba iphumelele ekususeni ipeyinti, umzekelo. Imithombo yeendaba engqukuva ithambile ngakumbi kune-angular media kwaye ishiya inkangeleko ekhazimlisiweyo.

Ubungakanani - Ubungakanani obuqhelekileyo bemesh kwi-sandblasting yi-20/40, 40/70, kunye ne-60/100. Iiprofayile ezinkulu ezinomnatha zisetyenziselwa ubundlobongela ngelixa iiprofayili ezincinci zemesh zezokucoca okanye ukupolisha ukuvelisa imveliso egqityiweyo.

Uxinaniso - Imidiya ene-high density iya kuba namandla amaninzi phezu kwendawo yesinyithi njengoko iqhutywe ngumbhobho oqhumayo kwisantya esisisigxina.

Ukuqina - I-abrasi enzima ngakumbiii-ves zivelisa impembelelo enkulu kumphezulu weprofayile xa kuthelekiswa ne-abrasives ethambileyo. Ubulukhuni beMedia ngeenjongo zokuqhunyiswa kwesanti budla ngokulinganiswa ngesikali sobulukhuni be-Mohs (1-10). I-Mohs ilinganisa ubulukhuni beeminerali kunye nemathiriyeli eyenziweyo, ebonisa ukuxhathisa kokukrweleka kweeminerali ezahlukeneyo ngokukwazi kwemathiriyeli enzima ukukrwela izinto ezithambileyo.