Okulandelayo yiziyalezo zokufutha nge-electrostatic
Ukufafaza nge-electrostaticibhekisela endleleni yokwemboza esebenzisa isimiso sokukhishwa kwe-electrostatic ukwenza okokunamathela kwe-athomu kulayishwe kabi ngaphansi kwesenzo senkambu kagesi ye-DC ene-voltage ephezulu, kanye ne-adsorb endleleni yokukhipha okungaphezulu kwesisekelo samandla ahliphizekile.Imishini yokufafaza ye-electrostatic iqukethe izibhamu zokufafaza, izinkomishi zokufutha, namandla okufafaza nge-electrostatic high-voltage.
Izidingo zokufafaza nge-electrostatic
Umthelela wokufafaza nge-electrostatic awuncikile kuphela emshinini wokufafaza we-electrostatic kanye nezinga lokuphatha, kodwa futhi kuncike ekutheni izinhlobonhlobo zokumboza ezisetshenziswayo ziyahlangabezana yini nezidingo ze-electrostatic coating.Ngesikhathi sokumbozwa kwe-electrostatic, ukumelana nokuqina kwe-coating kuyadingeka ukuthi kube phansi, futhi inani lingu-5 kuya ku-50MΩ · cm.Ngaphandle kwe-resin ekugqokeni, i-resistivity yokugqoka nayo ihlobene nengxenye ekhethiwe ye-solvent.Ngakho emdwebeni wangempela.Kuvame ukusetshenziselwa ukulungisa i-solvent ukulungisa usayizi wokumelana kwayo.
I-resissiveivity ye-coating ye-electrostatic spray coating iphansi, kuyilapho ukuphikiswa kwezingubo ezivamile kuphakeme kakhulu.Ukuze kuncishiswe ukumelana nokwemboza, ama-solvents afanelekile e-polar avame ukungezwa emigqumeni.
Isivinini somoya sasendlini sokufafaza nge-electrostatic sibaluleke kakhulu.Umoya okhishwayo egumbini lokufafaza usetshenziselwa ikakhulukazi ukukhipha umhwamuko we-solvent okhiqizwa ngesikhathi sokufafaza, futhi okuqukethwe komhwamuko ongaphakathi endlini kungaphansi komkhawulo ophansi wokuqhuma kwe-solvent ye-organic ukuqinisekisa ukuphepha kokwakhiwa.Isivinini somoya segumbi lokufafaza nge-electrostatic kufanele silawulwe ku-0.3 ～ 0.7m/s, futhi isivinini somoya sizothinta umphumela wokufutha.Indlela yokulungisa isivinini somoya kufanele isethwe kumshini wokukhipha umoya.
Izinhlobo zokufafaza nge-electrostatic
Uhlobo lwesifutho se-electrostatic lungahlukaniswa ngezigaba ezimbili: i-atomization emile ehlanzekile kanye ne-atomization ye-electrostatic eyengeziwe.
1) Indlela ehlanzekile ye-atomization
Imelwe isibhamu se-rotary cup static spray.Isakhiwo sesibhamu se-spray esijikelezayo silula, akulula ukuvimba, futhi kulula ukuhlanza;ngenxa yokuthi i-electro-atomization ye-mechanical centrifugal, i-conductivity ye-coatings kanye ne-solvents iphansi (yebo, i-conductivity nayo inhle);Ukufana kuthuthukiswa kakhulu;ukugqoka ngemva kwe-atomization kuhle, ubuso buyisicaba futhi bushelelezi.Ifaneleka kakhulu kuma-workpiece anesimo esilula.
2) Kukhona indlela eyengeziwe ye-electrostatic atomization yamandla
Ngokwezinhlobo zamandla engeziwe, zihlukaniswe zaba izinhlobo ezimbili zendlela ye-atomization yomoya kanye nendlela ye-atomization ye-hydraulic.Isibhamu se-whirlwind spray kanye nesibhamu esimile esifakwe ngesandla siyingxenye ye-atomization yomoya.Basebenzisa umsebenzi wokucindezela umoya namandla e-electrostatic ukuze benze i-athomu enamathelayo, ukuze bakwazi ukufafaza izinto ngendawo eyinkimbinkimbi noma enkulu ngokuma.I-atomization ye-Hydraulic iyinhlanganisela ye-high-voltage airless spray coating kanye nemishini yokufaka isifutho emile.Kuwukucindezela upende ukuze ucindezele upende ukuya ebangeni eliphakeme lokucindezela ngosizo lokucindezela, bese ulifafaza usuka embotsheni encane yomlomo.Ifafazwe ngopende wokucindezela okuphezulu emkhathini futhi ngokushesha yandisa i-fustorization.
Uma kuqhathaniswa nendlela ye-atomization yomoya, i-atomization ye-hydraulic ingcono, ngenani elikhulu lokufafaza, ukusebenza kahle kokugqoka okuphezulu, kanye nezidingo zokugqoka zifana ne-atomization yomoya.
Izici zokufafaza kwe-electrostatic
(1) Indawo yokwakha nezimo zokusebenza zinhle.
(2) Izinga lokusetshenziswa kopende liphezulu.
(3) Ikhwalithi yokuqedela yinhle.
(4) Ukusebenza kahle kokuqeda.
Ububi obuyinhloko bendlela yokufafaza nge-electrostatic ingozi enkulu yomlilo, ikakhulukazi uma ukukhishwa kwenhlansi kubangelwa ibanga elingafanele lesifutho noma ukusebenzisa kabi, kulula ukudala umlilo.Ngakho-ke, kufanele kube nezindawo ezinokwethenjelwa zomlilo nezokuvikela ukuqhuma, nokuhambisana ngokuqinile nezinqubo zokusebenza zokuphepha.Ngaphezu kwalokho, ezindaweni ezinobumo obuyinkimbinkimbi noma ama-contours ajulile, kunzima ukuthola ukunamathela okufanayo ngokufafaza kwe-electrostatic.
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Isikhathi sokuthumela: Mar-09-2023