Njengomthetho, iingubo zinemisebenzi emibini ephambili: ukuhlobisa kunye nokukhuselwa okubaluleke kakhulu kwezoqoqosho. Iingubo ezisebenzayo zingasetyenziselwa ukuguqula iipropati zomphezulu we-substrate, ezifana nokubambelela, ukumanzisa, ukuxhathisa ukubola, okanye ukuxhatshazwa kokugqoka. Kushishino lwentsimbi, ukugquma kwepeyinti okanye umgubo wepeyinti ukhusela ikakhulu umbhobho wentsimbi kwi-corrosion, kunye nokugcina inkangeleko entle yombhobho.
Iipeyinti kunye nelacquers ziintlobo ezimbini eziphambili zezinto ezisetyenziselwa ukoleka ezisetyenziswayo. Ngokobuchwephesha, ipeyinti yeyona nto isetyenziswa ngokuqhelekileyo ukukhusela intsimbi kwindawo yokusila. Iinkqubo zepeyinti zezakhiwo zetsimbi ziye zaphuhliswa kwiminyaka ukuthobela umthetho wokusingqongileyo kwimizi-mveliso kunye nokuphendula kwiimfuno ezivela kwibhulorho kunye nabanini bezakhiwo ukuze kuphuculwe ukusebenza kokuqina. 'Umaleko' ngamnye kuyo nayiphi na inkqubo yokhuselo inomsebenzi othile, kwaye iintlobo ezahlukeneyo zisetyenziswa ngokulandelelana okuthile kweprimer elandelwa yidyasi ephakathi / yokwakha evenkileni, kwaye ekugqibeleni idyasi okanye idyasi ephezulu nokuba kusevenkileni okanye kwisiza. . Ukugquma komgubo kukwasetyenziswa ngokubanzi kwityhubhu yentsimbi eqengqelekayo nepeyinti eyomileyo yomgubo ukuya kwindawo yentsimbi yokukhusela umphezulu. Kwisicelo sepeyinti emanzi eqhelekileyo, i-coating ixhonywe kwisithwala solwelo esiphuphuma emoyeni sishiya i-coat ikhusela umphezulu. Indawo egqunywe ngumgubo iyacocwa kwaye umgubo ugalelwe i-electrostatically kwaye utshizwe kwinto eza kuqatywa. Into ke ifakwe kwi-oven apho amasuntswana e-powder ancibilika ukuze enze ifilimu eqhubekayo.
Ngaphandle kwengubo yokukhusela, intsimbi okanye intsimbi kulula ukuvelisa umhlwa - inkqubo eyaziwa ngokuba ngumhlwa. Ukuthintela oku, abavelisi bemibhobho yentsimbi bagalela imibhobho yentsimbi ngokuyigquma ngocweyo lwezinki. Bathi nkxu imibhobho kwivathi yentsimbi etyhidiweyo okanye basebenzise ubuchule bokwenza i-electroplating. Ngaphambi kokuthumela le mibhobho, abavelisi badla ngokugquma intsimbi ngeoyile ukuze bathintele ukusabela kwe-zinc emoyeni. Xa le oli yokwambathisa iphelelwa, indlela i-zinc edibana ngayo neoksijini ivelisa ifilimu entle emhlophe etshintsha umbala wentsimbi ukusuka kungwevu ukuya kobungwevu nangakumbi. Xa kushushu kudipha umbhobho wentsimbi idinga ukungeniswa kwamanye amazwe, olu hlobo lombhobho ludla ngokuba nefilimu ye-passivator ekhusela isinyithi ekudlekeni kwindawo yamanzi etyuwa njengoko isinyithi sihamba kwiilwandle okanye ulwandle kwiinqanawa zemithwalo.
Namhlanje, ininzi inkqubela eyenziweyo ekusebenziseni ubugcisa bokugquma ukuze kukhuselwe umhlwa kwizakhiwo ezingaselunxwemeni, amatanki angaphakathi angaphakathi kwiitanki zamafutha, inqanawa yokwakhiwa kwenqanawa, imibhobho engaphantsi kwamanzi, njl. izakhiwo kumanzi aselunxwemeni naselunxwemeni, njengobuchule be-polymer encapsulation ukulungisa nokukhusela izakhiwo kwindawo yokuchaphaza. Iimfuno zexesha elide zesakhiwo okanye zomatshini kwisicelo esithile zinokuqinisekiswa ngokukhuselwa kwe-corrosion, ngokusebenzisa iingubo okanye ukudibanisa ukukhuselwa kwe-cathodic kunye neengubo.
Thumela umyalezo wakho kuthi:
Ixesha lokuposa: May-03-2018
