Ukwelashwa kwangaphambili kanye nenqubo ye-electrocoating

Incazelo emfushane:

I-Coating pretreatment ukulungiswa kwendawo yokumboza ngaphambi kokugqoka futhi kuyisisekelo sayo yonke inqubo yokumboza.
Izinga le-pretreatment lithinta ngqo yonke ikhwalithi yokugqoka, ngakho-ke kufanele siyinake.


Incazelo

Omaka bomkhiqizo

Incazelo Yomkhiqizo

Izinto ezihlukahlukene kanye nemikhiqizo yazo ohlelweni lokucubungula, ukuthutha, ukugcinwa, indawo yayo kulula ukuyikhiqiza noma
unamathisele izinto zangaphandle, njenge-machining burr, isikhumba se-oxide, uwoyela, njll., lokhu kungcola okungaphezulu kuzothinta ukubumbana kwe-coating namandla okubopha nge-matrix. Ukwembeswa kwe-substrate kuqala, inhloso ukukhipha lezi zinto nokwenza ukuguqulwa kwamakhemikhali angaphezulu okufanelekile ukuze kuhlinzekwe izimfuneko ezifanele zokugcotshwa kwe-substrate, ukuze kwandiswe ukunamathela kwefilimu, kwelule impilo yesevisi yefilimu, Nikeze ukudlala okugcwele kwesivikelo. umphumela kanye nomphumela wokuhlobisa we-coating.

Ngakho-ke, fafaza okuqukethwe ngaphambi kokucubungula. Ihlanganisa ikakhulukazi izici ezilandelayo:

Ukukhipha amafutha ngaphambi kokugqoka

Insimbi kanye nezingxenye zayo ekugcinweni nasekuthuthweni ukuze kusetshenziswe ukuvikelwa kwamafutha e-antirust, i-workpiece yensimbi yensimbi ekudwebeni uwoyela kufanele isetshenziswe lapho kucutshungulwa ingcindezi, izingxenye kufanele zithintane ne-emulsion lapho machining, ukwelashwa kokushisa kungathintana namafutha okupholisa, lapho izingxenye zivame ukuba namafutha. amabala kanye ne-HanJi yezandla zomqhubi, amafutha ezingxenye kodwa futhi nokungcola okufana njalo nothuli kuxutshwe ndawonye Konke lokhu, zonke izinhlobo zamafutha ezingxenyeni azivimbeli nje ukwakheka kwefilimu ye-phosphating, kodwa futhi kuthinta ukunamathela ukomisa ukusebenza kokuhlobisa ukusebenza kokuhlobisa kanye nokumelana nokugqwala Ithebula 3-1 libala ukwelashwa okuhlukile kwepuleti lensimbi eligoqiwe elibandayo. Umthelela we-cathodic electrophoretic coating on corrosion resistance.

I-Phosphating

I-Phosphating iyinqubo elula, enokwethenjelwa, engabizi kakhulu futhi elula yokuthuthukisa kakhulu ukumelana nokugqwala kwe-metal surface coating. Isetshenziswe kabanzi ekhaya nakwamanye amazwe, ikakhulukazi ekugqokeni kwezimoto, okusetshenziswe kabanzi eminyakeni yamuva. Cishe i-100% yezingxenye zamapuleti amancane embonini yezimoto ziyi-phosphating Inqubo ye-Phosphating ibhekisela endaweni yensimbi ehlangene nesisombululo se-asidi esiqukethe usawoti we-dihydrogen phosphate, ukusabela kwamakhemikhali futhi ekhiqizwa ekuzinzeni kwendawo yensimbi yongqimba lwe-membrane ye-inorganic compound engancibiliki. indlela yokwelapha yamakhemikhali engaphezulu kanye nefilimu ekhiqiziwe ebizwa ngokuthi ifilimu ye-phosphating.

Isimiso sefilimu ye-Phosphate

ifilimu ye-phosphating ikwazile ukuhlinzeka ngesisekelo esifanele kakhulu sokumbozwa ngopende, kungenxa yomphumela olandelayo:
1) Inikeza indawo ehlanzekile, efanayo, engenawo amafutha ngesisekelo sokususa amafutha ngokuphelele
I-2) ithuthukisa ukunamathela kwefilimu ephilayo ku-substrate ngenxa yesenzo somzimba kanye namakhemikhali Akunzima ukuqonda ukuthi isakhiwo esinezimbotshana zefilimu ye-phosphating sandisa indawo engaphezulu ye-substrate, ukuze indawo yokuxhuma phakathi kokubili ikhule ngokufanayo, futhi i-permeability enenzuzo phakathi kwezendlalelo ezimbili zefilimu iyakhiqizwa. Ngasikhathi sinye, ukusebenzisana kwamakhemikhali phakathi kwe-resin engagcwele kanye nekristalu ye-phosphate nakho kuthuthukisa amandla ayo okubopha.
I-3) inikeze ungqimba oluzinzile lwe-non-conductive isolation, kanye nomonakalo we-coating, inendima yokuvimbela ukugqwala, ikakhulukazi i-anode incision Iphuzu lokuqala livame ukunganakwa Kuphela kuze kube yilapho uwoyela uphelele ngokuphelele ukuze wenze ifilimu ye-phosphating eyanelisayo. ifilimu ye-phosphating ngokwayo ingumphumela onembile kakhulu wobuchwepheshe bokwelashwa othembeke kakhulu ukuzihlola.

Imininingwane Yomkhiqizo

02 pretreatment shot blasting 1000x1000
02a pretreatment kanye nomugqa we-ed 1000x1000
01b pretreatment shed 1000x1000

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