Le ilandelayo yimiyalelo yokutshiza nge-electrostatic
Ukutshiza nge-electrostaticibhekisa kwindlela yokwaleka esebenzisa umgaqo wokukhutshwa kwe-electrostatic ukwenza iingubo ze-atomized zilayishwe kakubi phantsi kwesenzo sendawo yombane ye-DC ephezulu ye-voltage, kunye ne-adsorb kwindlela yokukhupha umphezulu wesiseko samandla axutyiweyo.Isixhobo sokutshiza nge-electrostatic siquka imipu yokutshiza, iikomityi zokutshiza, kunye nokutshiza nge-electrostatic amandla ombane aphezulu.
Iimfuno zokutshiza nge-electrostatic
Isiphumo sokutshiza kwe-electrostatic akuxhomekanga kuphela kwisixhobo sokutshiza se-electrostatic kunye nenqanaba lolawulo, kodwa kuxhomekeke nokuba uhlobo lokutyabeka olusetyenziswayo luyahlangabezana neemfuno zokwaleka kwe-electrostatic.Ngexesha lokutyalwa kwe-electrostatic, ukuxhathisa kwengubo kuyadingeka ukuba kube phantsi, kwaye ixabiso li-5 ukuya kwi-50MΩ · cm.Ukongeza kwi-resin kwi-coating, i-resistivity ye-coating nayo ihambelana necandelo elikhethiweyo le-solvent.Ngoko kwipeyinti yokwenyani.Ihlala isetyenziselwa ukulungelelanisa i-solvent ukulungisa ubungakanani bokuchasana kwayo.
I-resistivity yokugquma kwengubo yokutshiza ye-electrostatic iphantsi, ngelixa ukuxhathisa kweengubo eziqhelekileyo kuphezulu kakhulu.Ukuze kuncitshiswe ukuxhathisa kwengubo, i-solvents efanelekileyo ye-polar ivame ukudibaniswa kwiingubo.
Isantya somoya sokutshiza nge-electrostatic endlini sikwabaluleke kakhulu.Umoya wokukhupha kwigumbi lokutshiza usetyenziswa ikakhulu ukungabandakanyi umphunga we-solvent owenziwe ngexesha lokutshiza, kwaye umxholo womphunga we-solvent wangaphakathi ungaphantsi komda ophantsi wokuqhuma kwe-solvent ye-organic ukuqinisekisa ukhuseleko lokwakha.Isantya somoya segumbi lokutshiza nge-electrostatic kufuneka silawulwe ku-0.3 ～ 0.7m/s, kwaye isantya somoya siyakuchaphazela isiphumo sokutshiza.Indlela yokulungelelanisa isantya somoya kufuneka imiselwe kwisixhobo sokukhupha umoya.
Iintlobo zokutshiza nge-electrostatic
Uhlobo lwesitshizi se-electrostatic lunokwahlulwa lube ziindidi ezimbini: i-atomization emileyo ecocekileyo kunye ne-atomization ye-electrostatic eyongezelelweyo.
1) Indlela ecocekileyo ye-atomization
Imelwe ngumpu we-rotary cup static spray.Isakhiwo esijikelezayo sompu wokutshiza silula, akulula ukubhloka, kwaye kulula ukuyicoca;ngenxa yokuba i-electro-atomization yomatshini we-centrifugal, i-conductivity yokwambathisa kunye ne-solvents iphantsi (ngokuqinisekileyo, i-conductivity nayo ilungile);Ukufana kuphuculwe kakhulu;i-coating emva kwe-atomization ilungile, ubuso buthe tyaba kwaye bugudileyo.Kuyafaneleka ngakumbi kwi-workpieces enemilo elula.
2) Kukho indlela yokongeza amandla e-electrostatic atomization
Ngokweentlobo zamandla ongezelelweyo, zahlulwe zaba ziintlobo ezimbini zendlela ye-atomization yomoya kunye nendlela ye-atomization ye-hydraulic.Umpu wokutshiza wesaqhwithi kunye nompu wokutshiza omileyo obekwe ngesandla, zeze-atomization yomoya.Basebenzisa umsebenzi wokucinezela umoya kunye namandla e-electrostatic ukwenza i-atomize yokwambathisa, ngoko ke banokutshiza izinto ezinobunzima okanye indawo enkulu ngokwemilo.I-atomization ye-Hydraulic yindibaniselwano ye-high-voltage yokutshiza engenamoya kunye nesixhobo sokugquma esimileyo.Kukucofa ipeyinti ukucinezela ipeyinti ukuya kuluhlu oluphezulu loxinzelelo ngoncedo loxinzelelo, uze uyitshize ukusuka kumngxuma omncinci womlomo.Ifafazwe ngepeyinti yoxinzelelo oluphezulu emoyeni kwaye yandisa ngokukhawuleza i-fustorization.
Xa kuthelekiswa nendlela ye-atomization yomoya, i-atomization ye-hydraulic ingcono, kunye nenani elikhulu lokutshiza, ukusebenza kakuhle kwe-coating, kunye neemfuno zokugqoka zifana ne-atomization yomoya.
Iimpawu zokutshiza nge-electrostatic
(1) Imeko-bume yokwakha kunye neemeko zokusebenza zilungile.
(2) Izinga lokusetyenziswa kwepeyinti liphezulu.
(3) Umgangatho wokugqiba ulungile.
(4) Ukusebenza kakuhle kokugqiba.
Eyona nto ingathandekiyo yendlela yokutshiza i-electrostatic ngumngcipheko omkhulu womlilo, ngakumbi xa ukukhutshwa kwe-spark kubangelwa umgama ongafanelekanga wokutshiza okanye ukungasebenzi kakuhle, kulula ukubangela umlilo.Ngoko ke, kufuneka kubekho izixhobo ezinokuthenjwa zomlilo kunye nokuqhuma, kunye nokuthotyelwa ngokungqongqo kunye neenkqubo zokusebenza zokhuseleko.Ukongeza, kwiindawo ezinemilo enzima okanye iicontours ezinzulu, kunzima ukufumana i-coating efanayo ngokutshiza nge-electrostatic.
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Ixesha lokuposa: Mar-09-2023