① Ukwehlisa igrisi
1. Umsebenzi: Susa amanqatha e-oyile enamafutha kunye nolunye ukungcola kwezinto eziphilayo ebusweni bezinto eziphathekayo ukuze ufumane umphumo omuhle we-electroplating kunye nokuthintela ukungcola kwiinkqubo ezilandelayo.
2. Uluhlu lokulawula ubushushu: 40 ~ 60 ℃
3. Indlela yokwenza:
Ngoncedo lwe-saponification kunye ne-emulsification yesisombululo, injongo yokususa i-oil stains inokufezekiswa.
Ukususwa kweoli yezilwanyana kunye nemifuno isekelwe ikakhulu kwi-saponification reaction.Into ebizwa ngokuba yi-saponification yinkqubo yokusabela kweekhemikhali phakathi kwe-oyile kunye ne-alkali kulwelo oluthotywayo ukuvelisa isepha.I-oyile eyayinganyibiliki ekuqaleni emanzini ibolile ibe isepha kunye ne-glycerin enyibilikayo emanzini, emva koko isuswe.
4. Imiba efuna ukuqwalaselwa:
I-1) I-Ultrasonic oscillation inokuphucula umphumo wokunciphisa.
I-2) Xa ukuxinwa kwe-powder degreasing kunganelanga, umphumo wokunciphisa awukwazi ukufezekiswa;xa ugxininiso luphezulu kakhulu, ilahleko iya kuba nkulu kwaye iindleko ziya kwanda, ngoko kufuneka zilawulwe ngaphakathi koluhlu olufanelekileyo.
3) Xa ubushushu bunganelanga, umphumo wokunciphisa awulungile.Ukwandisa ubushushu kunokunciphisa ukunyanzeliswa komhlaba wesisombululo kunye negrisi kunye nokukhawulezisa umphumo wokunciphisa;xa iqondo lokushisa liphezulu kakhulu, izinto eziphathekayo zixhomekeke kwi-deformation.Ukushisa kufuneka kulawulwe ngokungqongqo ngexesha lokusebenza.
4) Emva kwenkqubo yokucoca, umphezulu wezinto eziphathekayo kufuneka umanziswe ngokupheleleyo.Ukuba kukho ukunyanzeliswa okucacileyo phakathi kwamaconsi amanzi kunye ne-interface yezinto eziphathekayo, oko kuthetha ukuba umsebenzi awuzange uhlangabezane neemfuno.Phinda usebenze kwaye ulungelelanise iiparamitha ngexesha.
②Ukudumba
Indlela yokwenza:
I-ejenti yokukhukhumala yandisa i-workpiece ukuze iphumelele i-surface micro-corrosion, ngelixa ithambisa into ngokwayo, ikhupha uxinzelelo olungalinganiyo olubangelwa ukubunjwa kwenaliti okanye izinto eziphathekayo, ukwenzela ukuba inkqubo elandelayo ye-roughening ikwazi ukufana kwaye ifakwe kakuhle.
Indlela yokukhangela uxinzelelo lwangaphakathi lwezinto ze-electroplating ziya kuba zihluke kwizinto ezahlukeneyo.Kwi-ABS, indlela yokudipha ye-acetic acid yeglacial isetyenziswa ngokubanzi.
③Ukukruqula
1. Uluhlu lokulawula ubushushu: 63 ~ 69 ℃
2. Iplastiki ye-ABS i-terpolymer ye-acrylonitrile (A), i-butadiene (B) kunye ne-styrene (S).Ngethuba lenkqubo yokucoca, iinqununu zeplastiki ziqulethwe ukwenza imigodi, okwenza i-surface hydrophobic ibe yi-hydrophilic, ukwenzela ukuba i-plating layer ibambelele kwinxalenye yeplastiki kwaye iboshwe ngokuqinileyo.
Ukulumkela:
I-1) Isisombululo esiphezulu se-chromium sinokunyibilika ngokukhawuleza kunye nesantya esiqhekezayo kunye nokunamathela kakuhle kokwambathisa;kodwa xa ixabiso le-chromic acid kunye ne-asidi ye-sulfuric inkulu kune-800 g / L, isisombululo siya kudlula, ngoko ke kuyimfuneko ukugcina i-gas ivuselela.
2) Xa ugxininiso lungonelanga, umphumo we-coarsening ubi;xa ugxininiso luphezulu kakhulu, kulula ukugqithisa, ukonakalisa izinto eziphathekayo, kwaye ukhuphe ilahleko enkulu kunye nokunyusa iindleko.
I-3) Xa iqondo lokushisa linganele, umphumo onqabileyo awulungile, kwaye xa ubushushu buphezulu kakhulu, izinto eziphathekayo zixhomekeke kwi-deformation.
④I-neutralization (icandelo eliphambili yi-hydrochloric acid)
1. Umsebenzi: Coca i-chromium ene-hexavalent eseleyo kwi-micropores yezinto emva kokugqwala kunye nokugqwala ukuthintela ungcoliseko kwinkqubo elandelayo.
2. Inkqubo yesenzo: Ngexesha lenkqubo ye-roughening, i-rubber ye-rubber particles iyachithwa, yenze imingxuma, kwaye kuya kubakho ulwelo olurhabaxa oluseleyo ngaphakathi.Ngenxa yokuba i-ion yechromium enehexavalent kulwelo olurhabaxa luneempawu ze-oxidizing ezomeleleyo, iyakungcolisa inkqubo elandelayo.I-Hydrochloric acid inokuyinciphisa ibe yi-trivalent chromium ion, ngaloo ndlela ilahlekelwe ziipropati ze-oxidizing.
3. Imiba efuna ukuqwalaselwa:
I-1) I-Hydrochloric acid ilula ukuguquguquka, ukuvuselela igesi kunokunyusa ukungathathi hlangothi kunye nokucoca umphumo, kodwa ukuhamba komoya akulula ukuba kukhulu kakhulu, ukwenzela ukuba ugweme ukulahlekelwa kwe-hydrochloric acid volatilization.
2) Xa ugxininiso lungonelanga, umphumo wokucoca umpofu;xa ugxininiso luphezulu kakhulu, ilahleko yokuqhuba inkulu kwaye iindleko zinyuka.
I-3) Ukunyuka kweqondo lokushisa kunokunyusa umphumo wokucoca.Xa iqondo lokushisa liphezulu kakhulu, ilahleko ye-volatilization iya kuba enkulu, eya kwandisa iindleko kwaye ingcolise umoya.
4) Ngexesha lokusetyenziswa, i-chromium ion ye-trivalent iya kuqokelela kwaye inyuke.Xa ulwelo luluhlaza bumnyama, oko kuthetha ukuba zininzi kakhulu ii-ion zechromium ezinee-trivalent kwaye kufuneka zitshintshwe rhoqo.
⑤ Ukuqaliswa (i-catalysis)
1. Umsebenzi: Beka umaleko we-colloidal palladium kunye nomsebenzi we-catalytic ebusweni bezinto.
2. Inkqubo yesenzo: iipolymers eziqukethe amaqela asebenzayo angenza ii-complex kunye ne-ion zentsimbi ezixabisekileyo.
3. Amanyathelo okhuseleko:
1) Musa ukuphazamisa ulwelo olusebenzayo, ngaphandle koko kuya kubangela ukuba i-activator idibanise.
I-2) Ukunyuka kweqondo lokushisa kunokunyusa umphumo we-palladium yokutshona.Xa ubushushu buphezulu kakhulu, i-activator iya kubola.
3) Xa ukuxinwa kwe-activator kunganelanga, umphumo we-palladium precipitation awunelanga;xa ugxininiso luphezulu kakhulu, ilahleko yokuqhuba inkulu kwaye iindleko zinyuka.
⑥ Chemical nickel
1. Uluhlu lokulawula ubushushu: 25 ~ 40 ℃
2. Umsebenzi: Beka i-metal layer ye-uniform ebusweni bezinto eziphathekayo, ukwenzela ukuba izinto zitshintshe ukusuka kwi-non-conductor ukuya kumqhubi.
3. Imiba efuna ukuqwalaselwa:
1) I-asidi ye-Hypophosphorous yi-arhente yokunciphisa i-nickel.Xa umxholo uphezulu, isantya sokubeka siya kunyuka kwaye i-plating layer iya kuba mnyama, kodwa ukuzinza kwesisombululo se-plating kuya kuba nzima, kwaye kuya kukhawulezisa izinga lesizukulwana se-hypophosphite radicals, kunye nesisombululo se-plating siya kuba lula ukubola.
I-2) Njengoko iqondo lokushisa linyuka, izinga lokubekwa kwesisombululo se-plating landa.Xa iqondo lokushisa liphezulu kakhulu, ngenxa yokuba izinga lokubeka likhawuleza kakhulu, isisombululo se-plating sixhomekeke ekuziboleni kwaye ubomi besisombululo bufutshane.
3) Ixabiso le-pH liphantsi, isantya se-sedimentation yesisombululo sicotha, kwaye isantya se-sedimentation sinyuka xa i-pH inyuka.Xa ixabiso le-PH liphezulu kakhulu, i-coating ifakwe ngokukhawuleza kwaye ayinzima ngokwaneleyo, kwaye iinqununu zilungele ukuveliswa.
Ixesha lokuposa: Mar-27-2023