1. Ukupeyinta
-Inkcazo: Ukupeyinta ligama eliqhelekileyo lemisebenzi eyenziwayo ukwenza ifilimu yokugquma kusetyenziswa ipeyinti ngenjongo yokugquma umphezulu wento ukuze ikhuseleke kwaye ibukeke, njl.njl.
-Injongo: Injongo yokupenda ayikokuhombisa ubuhle kuphela, kodwa ikwakukukhusela, kwaye ngenxa yoko, kuphuculwe umgangatho wemveliso.
1) Ukhuseleko: Uninzi lwezinto eziphambili ezenza iimoto ziipleyiti zentsimbi, kwaye xa imoto yenziwe ngepleyiti yentsimbi njengesigqubuthelo, isabela kumswakama okanye ioksijini emoyeni ukuze ivelise umhlwa. Eyona njongo iphambili yokupenda kukukhusela into ngokuthintela umhlwa onjalo.
2) Ubuhle: Imilo yemoto ineentlobo ngeentlobo zemiphezulu kunye nemigca efana nemiphezulu enemilinganiselo emithathu, imiphezulu ethe tyaba, imiphezulu egobileyo, imigca ethe tye, kunye namagophe. Ngokupeyinta into enobume obuntsonkothileyo, ibonisa umbala ohambelana nemilo yemoto kwaye iphucula ubuhle bemoto ngaxeshanye.
3) Ukuphuculwa kokuthengiseka: Okwangoku, kukho iintlobo ngeentlobo zeemoto ezithengiswayo, kodwa phakathi kwazo, xa kuthelekiswa izithuthi ezinemilo efanayo kunye nomsebenzi ofanayo, umzekelo, leyo inepeyinti yemibala emibini ibonakala ingcono. Ixabiso liyanyuka njengoko Ngale ndlela, ikwayenye yeenjongo zokuzama ukuphucula ixabiso lemveliso ngokupeyinta. Ukongeza, ukuqina komphandle weemoto kuyadingeka ngenxa yotshintsho olukhawulezileyo lwendalo. Umzekelo, imfuno yeepeyinti ezisebenzayo ezithintela umonakalo kwifilimu yokugquma ebangelwa yimvula ene-asidi kunye nokuwohloka kokukhazimla kokuqala okubangelwa ziibrashi zokuhlamba iimoto ezizenzekelayo iyanda, ngaloo ndlela iphucula ukuthengiseka.Ukupeyinta ngokuzenzekelayo kunye nokupeyinta ngesandla zombini zisetyenziswa ngokuxhomekeke kwiimfuno zomgangatho wokupeyinta.
2. Ukwakheka kwepeyinti: Ukwakheka kwepeyinti Ipeyinti lulwelo oluqinileyo apho izinto ezintathu zepigment, i-resin, kunye ne-solvent zixutywe ngokulinganayo (zisasazeke).
- Umbala: Umgubo onemibala onganyibilikiyo kwizinyibilikisi okanye emanzini. Umahluko kwiidayi kukuba zisasazeka njengeengqayi ngaphandle kokunyibilika emanzini okanye kwizinyibilikisi. Ubungakanani bengqayi buqala kwii-micrometers ezininzi ukuya kwi-micrometers ezilishumi. Ngaphezu koko, kukho iimilo ezahlukeneyo, ezifana nomfanekiso ojikelezayo, umfanekiso wentonga, umfanekiso wenaliti, kunye nomfanekiso oqhekekileyo. Ngumgubo (umgubo) onika umbala (amandla okufaka imibala) kunye namandla okufihla (amandla okugubungela nokufihla umphezulu wento ngokuba ocacileyo) kwifilimu yokugquma, kwaye kukho iintlobo ezimbini: ezingaphiliyo kunye nezingaphiliyo. Umbala), ukupolisha, kunye nee-pigments zokwandisa zisetyenziselwa ukuphucula imvakalelo yomhlaba. Ipeyinti ezingenambala nezicacileyo ezibizwa ngokuba zicacile phakathi kweepeyinti, xa i-pigments ingabandakanywanga kwizinto ezenza iipeyinti,
Isetyenziselwa ukunika ifilimu yokugquma ulusu olukhazimlayo ngakumbi.
1) Umsebenzi we-pigment
* Iipigment zombala: ukunika umbala, amandla okufihla
hamba. Ii-pigment ezingaphiliyo: Ezi zii-pigment zendalo ezinje ngomhlophe, otyheli, nomdaka obomvu. Zii-metal compounds ezifana ne-zinc, i-titanium, i-lead iron, i-copper, njl. Ngokubanzi, zinokumelana okuhle kakhulu nemozulu kunye neempawu zokufihla ukumelana nobushushu, kodwa ngokwemibala ecacileyo, azilunganga njengee-pigment ezingaphiliyo. Njengepeyinti yeemoto, i-pigment engaphiliyo yodwa ayisetyenziswa. Ngaphezu koko, ngokwembono yokuthintela ungcoliseko lokusingqongileyo, ii-pigment ezineesinyithi ezinzima eziyingozi ezifana ne-cadmium kunye ne-chromium azisetyenziswa okwangoku.
wena. I-pigment yendalo: Yenziwa yi-organic synthesis nge-periodic chemical reaction, kwaye yinto eyenziwe nge-metal compound okanye njengoko injalo kwindalo. Ngokubanzi, ipropathi yokufihla ayilunganga kangako, kodwa ekubeni kufumaneka umbala ocacileyo, isetyenziswa kakhulu ekupeyinteni umbala oqinileyo, umbala wesinyithi, kunye nombala we-mica njengepeyinti yangaphandle yeemoto.
* I-anti-rust pigment: ukuthintela umhlwa
* I-Extender Pigment: Ifilimu eqinileyo yokugquma ingafunyanwa, ithintela ukubola kwefilimu yokugquma kwaye iphucula ukuqina kwayo.
- I-Resin: Ulwelo olucacileyo oludibanisa umbala kunye nombala kwaye lunike ukukhanya, ubulukhuni, kunye nokunamathela kwifilimu yokugquma. Elinye igama libizwa ngokuba yi-binder. Iimpawu zokomisa kunye nokuqina kwefilimu yokugquma kuxhomekeke kakhulu kwiimpawu ze-resin.
1) I-resin yendalo: Ikhutshwa okanye ikhutshwa kakhulu kwizityalo kwaye isetyenziselwa iipeyinti ezifana ne-varnish esekwe kwioyile, i-varnish, kunye ne-lacquer.
2) I-synthetic resin: Ligama eliqhelekileyo lalawo enziwe ngee-chemical reactions ezivela kwizinto ezahlukeneyo ze-chemical green. Yi-organic compound enobunzima obukhulu kakhulu be-molecular xa ithelekiswa nee-resin zendalo. Ukongeza, ii-synthetic resin zahlulwe zibe zii-thermoplastic resins (ziyathamba kwaye zinyibilike xa zishushu) kunye nee-thermosetting resins (ziqina nge-chemical reaction ngokufaka ubushushu, kwaye azithambi kwaye zinyibilike nokuba zishushu kwakhona emva kokuba zipholile).
- Isinyibilikisi: Lulwelo olucacileyo olunyibilikisa i-resin ukuze i-pigment kunye ne-resin zixutywe lula. Emva kokupeyinta, iyaphela njengomphunga kwaye ayihlali kwifilimu yokugquma.
Cukupeyinta i-ar
1. Isishwankathelo kunye neNcazelo yeePenti: Ngokwembono yokunika 'ukuthintela umhlwa (ukulwa nomhlwa)' kunye 'neempawu zobuhle', iipeyinti zeemoto zidlale indima ekuphuculeni ukuthengiswa kweemoto ngokusebenzisa ubuchwepheshe bamva nje belo xesha. Kwezi zinto zilandelayo zisemgangathweni, iipeyinti kunye neenkqubo zokugquma zenzelwe ukufezekisa ezi mpawu zokugquma ngoqoqosho olukhulu.
Iipeyinti zihlala zikwazi ukutyibilika kwaye zineempawu zokugqunywa phezu kwento eza kugqunywa kwaye zenze ifilimu eqhubekayo (ifilimu yokugqunywa) ngokusebenzisa iinkqubo zokumisa nokunyanga. Ngokweempawu zomzimba nezekhemikhali zefilimu yokugqunywa eyenziwe ngale ndlela, 'ukuthintela umhlwa' kunye 'neplastiki' zifakwa kwinto eza kugqunywa.
2. Inkqubo yokupeyinta iimoto: Ukuze kufunyanwe umgangatho wokugquma wemoto ekujoliswe kuyo ngendlela engabizi kakhulu, inkqubo yokugquma kunye neenkcukacha zokugquma ziyamiselwa, kwaye umgangatho ngamnye obalulekileyo unikwa ifilimu yokugquma efunyenwe kwinkqubo nganye. Ukongeza, ekubeni iimpawu zefilimu yokugquma zixhomekeke ekusebenzeni kakuhle nokubi kwenkqubo, ipeyinti esetyenziswa kwinkqubo nganye yenzelwe ukuba umsebenzi oyintloko onikwe wona ube ngcono xa kujongwa iimeko zenkqubo.Ukusetyenziswa kulawulwa ngokungqongqo kwivenkile yokupenda.
Le nkqubo ingentla yinkqubo yokugquma enemiqolo emi-3 okanye emi-4 esetyenziswa kakhulu ekugqumeni iiphaneli zangaphandle zeemoto, kwaye ifilimu yokugquma eyenziwe kwinkqubo nganye ibonisa imisebenzi eza kuchazwa kamva kwaye imisela umgangatho wokugquma weemoto njengenkqubo yokugquma ebanzi. Kwiilori nakwiimoto ezilula, kukho iimeko apho kusetyenziswa inkqubo yokugquma enemiqolo emibini apho inyathelo eliphakathi lishiyiweyo kwinyathelo lokugquma. Kwakhona, kwiimoto eziphezulu, kunokwenzeka ukufumana umgangatho ongcono ngokusebenzisa i-intermediate okanye i-top coat kabini.
Kwakhona, kutshanje, inkqubo yokunciphisa iindleko zokugquma ngokudibanisa iinkqubo zokugquma eziphakathi neziphezulu iye yafundwa yaza yasetyenziswa.
- Inkqubo yonyango lomphezulu: Iphucula ukuthintela ukugqwala ngokuthintela ukusabela kokugqwala kwesinyithi kunye nokuqinisa ukunamathelana phakathi kwe-undercoat (ifilimu ye-electrodeposition) kunye nezinto (i-substrate). Okwangoku, i-zinc phosphate yeyona nto iphambili kwifilimu, kwaye indlela yonyango lokudipha ixhaphakile ukuze ikwazi ukunyanga ngokwaneleyo iindawo ezinezakhiwo ezintsonkothileyo. Ngokukodwa, kwi-cationic electrodeposition, iintsimbi ezifana ne-Fe, i-Ni, kunye ne-Mn ngaphandle kwe-Zn zidityaniswe kwi-coating ukuphucula ngakumbi ukumelana nokugqwala.
- I-Electrodeposition coating (i-Cathion type electrodeposition primer): I-Undercoating ikakhulu yabelana ngomsebenzi wokuthintela umhlwa. Ukongeza kwiipropati ezibalaseleyo zokulwa nomhlwa, ipeyinti ye-cationic electrodeposition esekelwe kwi-epoxy resin inezibonelelo ezilandelayo kwi-undercoating yemoto. ① Akukho lution yefilimu ephathwe yi-zinc phosphate ngexesha le-electrodeposition coating. ② Isiphumo sokuthintela ukusabela kokugqwala ngenxa yobulula kwisakhiwo se-resin ③ Ipropati egqwesileyo yokulwa nomhlwa ngenxa yesiphumo sokugcina ukunamathela ngenxa yokumelana okuphezulu kwe-alkali ye-epoxy resin.
1) Iingenelo ze-cationic electrodeposition
* Neemilo ezintsonkothileyo zinokugqunywa ngefilimu efanayo ubukhulu
* Ukungena kwangaphakathi okugqwesileyo kwiindawo ezintsonkothileyo kunye namalungu.
* Ukupenda ngokuzenzekelayo
* Ukugcinwa nokulawulwa lula komgca.
* Ukupenda kakuhle.
* Inkqubo yokuhlamba amanzi evaliweyo ye-UF ingasetyenziswa (ukulahleka kwepeyinti okuncinci kunye nokungcola okuncinci kwamanzi amdaka)
* Umlinganiselo we-solvent ophantsi kunye nongcoliseko lomoya oluphantsi.
* Yipeyinti esekwe emanzini, kwaye akukho mngcipheko mkhulu womlilo.
2) Ipeyinti ye-cationic electrodeposition: Ngokubanzi, yi-polyamino resin efunyenwe ngokongeza i-primary kwi-quaternary amines kwi-epoxy resin. Iyasuswa yi-asidi (i-acetic acid) ukuze inyibilike emanzini. Ukongeza, indlela yokulungisa ifilimu yokugquma luhlobo lwe-urethane crosslinking reaction esebenzisa i-Blocked Isocyanate njenge-ejenti yokulungisa.
3) Ukuphucula umsebenzi wepeyinti ye-electrodeposition: Isasazeke kwihlabathi liphela njengengubo engaphantsi kwemoto, kodwa uphando nophuhliso luyaqhubeka nokuphucula kungekuphela nje umgangatho wokulwa nokubola kwemoto yonke kodwa kunye nomgangatho wokuplasta.
* Umsebenzi wokuthintela umhlwa/umaleko okhuselayo
hamba. Ipropati yokugquma ngokupheleleyo, ukumelana nokungena kwamalungu, ukumelana nokuqhekeka
wena. Ubuchule bephepha lesinyithi elichasene nomhlwa (ukunamathela okungangeni manzi, ukumelana nokujikeleza)
ukwenza. Ukuqina kobushushu obuphantsi (Ukumelana nokugqwala okuphuculweyo kweendawo ezinamathele ngerabha, njl.njl.)
* Umsebenzi wobuhle/yokuhlobisa
Iimpawu zokugquma zepleyiti yentsimbi (zinceda ekuphuculeni ukuguda nokukhazimla, njl.njl.)
wena. Ukumelana nokuba tyheli (ukuthintela ukuba tyheli kwe-topcoat emhlophe)
- Umbala ophakathi: Umbala ophakathi udlala indima encedisayo ekukhuseleni umhlwa we-undercoat (electrodeposition) kunye nomsebenzi wokuplasta we-topcoat, kwaye unomsebenzi wokuphucula umgangatho wepeyinti yenkqubo yonke yokupeyinta. Ukongeza, inkqubo yokupeyinta ephakathi inegalelo ekunciphiseni iziphene zokupeyinta kuba igubungela iziphene ezingenakuphepheka ze-undercoat (ukukrweleka, ukunamathela kothuli, njl.njl.) ukuya kuthi ga kwinqanaba elithile kumgca wokupeyinta wokwenyani.
Ipeyinti ephakathi luhlobo olusebenzisa i-resin ye-polyester engenamafutha njenge-resin esisiseko kwaye iyayiphilisa ngokungenisa i-melamine resin kunye ne-urethane (Bl) kutshanje. Kutshanje, ukuze kuphuculwe ukumelana nokuqhekeka, i-primer yokuqhekeka ngamanye amaxesha igqunywa ngamanzi kwindawo emanzi embindini ngaphambi kwenkqubo.
1) Ukuqina kolusu oluphakathi
* Ukumelana namanzi: ukufunxa okuncinci kwaye kuthintela ukuvela kwamadyungudyungu
* Ukumelana nokuqhekeka: Kufunxa amandla okubetha xa kuphoswa ilitye kwaye kunciphisa umonakalo kwifilimu yokugquma ekhokelela kwisandi kwaye kuthintele ukwenzeka kokubola kwesikhumba.
* Ukumelana nemozulu: Kunciphisa ukuwohloka okubangelwa yimitha ye-UV, kwaye kuthintela ukuqhekeka kolusu olungaphezulu ngaphandle.
2) Umsebenzi wokuplasta wengubo ephakathi
* Ipropati yokubeka uboya ngaphantsi: Inegalelo ekuthambiseni umphandle ogqityiweyo ngokugubungela uburhabaxa bomphezulu wokwaleka kwe-electrodeposition
* Ukumelana ne-solvent: Ngokucinezela ukudumba kunye nokunyibilika kwe-intermediate coat ngokubhekiselele kwi-solvent ye-top coat, umgangatho wembonakalo ophezulu ufunyanwa.
* Ukulungiswa kombala: Umbala ophakathi udla ngokuba ngwevu, kodwa kutshanje kunokwenzeka ukufaka ulusu oluphezulu oluneempawu ezifihlakeleyo ngokulufaka umbala (i-color sealer).
3) Ipeyinti ephakathi
*Umgangatho ofunekayo kwi-intermediate coat: ukumelana nokuqhekeka, i-base hide property, ukunamathela kwi-electrodeposition film, ukuguda, ukungalahleki kokukhanya, ukunamathela kwi-top coat, ukumelana nokuwohloka kokukhanya
- I-Topcoat: Umsebenzi omkhulu we-topcoat kukubonelela ngeempawu zokuhombisa kunye nokuyikhusela nokuyigcina ikwimeko entle. Kukho izinto ezisemgangathweni ezifana nombala, ukuguda komphezulu, ukukhazimla, kunye nomgangatho womfanekiso (ukukwazi ukukhanyisa ngokucacileyo umfanekiso wento ekwifilimu yokugquma). Ukongeza, ukukwazi ukukhusela nokugcina ubuhle bezo zithuthi ixesha elide kuyadingeka kwi-topcoat.
- I-Topcoat: Umsebenzi omkhulu we-topcoat kukubonelela ngeempawu zokuhombisa kunye nokuyikhusela nokuyigcina ikwimeko entle. Kukho izinto ezisemgangathweni ezifana nombala, ukuguda komphezulu, ukukhazimla, kunye nomgangatho womfanekiso (ukukwazi ukukhanyisa ngokucacileyo umfanekiso wento ekwifilimu yokugquma). Ukongeza, ukukwazi ukukhusela nokugcina ubuhle bezo zithuthi ixesha elide kuyadingeka kwi-topcoat.
1) Umbala ophezulu: Imibala ihlelwa ngokwesiseko sepigment esifakwe kwipeyinti, kwaye yahlulwe kakhulu yaba ngumbala we-mica, umbala wesinyithi kunye nombala oqinileyo kuxhomekeke ekubeni kusetyenziswa iipigment ze-flake ezifana neeflakes zomgubo we-aluminiyam.
* Umgangatho wenkangeleko: ukugudileyo, ukukhazimla, ukukhanya, imvakalelo yomhlaba
* Ukuqina: ukugcinwa kunye nokukhuselwa kwe-gloss, utshintsho lombala, ukufiphala
* Ukuncamathela: Ukuncamathela kwakhona, ukunamathela kwethoni ezimbini, ukunamathela okuphakathi
* Ukumelana nesinyibilikisi
* Ukumelana neekhemikhali
* Umgangatho osebenzayo: ukumelana nokuhlamba imoto, ukumelana nemvula ene-asidi, ukumelana nokutshiza
2) Ipeyinti enobuhlobo nokusingqongileyo
* Iqinile Kakhulu: Le yipeyinti eqina kakhulu ephendula kwimigaqo ye-VOC (Volatile Organic Compounds), kwaye luhlobo olunciphisa ubungakanani besinyibilikisi sendalo esisetyenzisiweyo. Iphawulwa ngokuziva kakuhle komhlaba kunye nokusebenzisa i-resin enobunzima obuphantsi.
* Uhlobo lweBome lwaManzi (ipeyinti esekwe emanzini): Le yipeyinti enciphisa ubungakanani besinyibilikisi sendalo esisetyenzisiweyo kwaye isebenzisa amanzi (amanzi acocekileyo) njengesinyibilikisi sepeyinti. Njengophawu, kufuneka isixhobo sokufudumeza kwangaphambili (IR_Preheat) esinokukhupha amanzi emngciphekweni kwinkqubo yokupeyinta, ngoko ke kufuneka ukulungiswa kwakhona kwesakhiwo, kwaye isitshizi sikwafuna indlela ye-electrode yepeyinti esekwe emanzini.
3) Ipeyinti esebenzayo
* I-CCS (iNkqubo yokuQokelela eNxulumeneyo, ipeyinti yohlobo lokuQokelela eNxulumeneyo): Luhlobo lwe-urethane (isocyanate) okanye i-silane resin apho inxalenye ye-melamine resin, esengozini yemvula ye-asidi kwinkqubo ye-acrylic/melamine resin, itshintshwa, kwaye ukumelana ne-asidi kunye nokukrwela kuphuculwe.
* I-NCS (iNkqubo eNtsha yokuQokelela, iPeyinti yoHlokelela olutsha): Ipeyinti engeyo-melamine eyenziwe yi-acid-epoxy curing kwi-acrylic resin. Inokumelana okuhle kakhulu ne-asidi, ukumelana nokukrwela, kunye nokumelana namabala.
- Ukusebenza kakuhle kwe-top coat: Ukuze ufumane ukuphinda-phinda kakuhle kwe-top coat ekujoliswe kuyo, ukusebenza kakuhle kwepeyinti (i-atomization, ukuhambahamba, i-pinhole, ukuguda, njl.njl.) kubalulekile. Ngenxa yoku, kubalulekile ukulungisa indlela esebenza ngayo i-viscosity kwinkqubo yokwenziwa kweefilimu ezininzi ukusuka ekupeyinteni ukuya ekubhakeni nasekuqineni. Iimeko zemeko-bume yokupeyinta ezifana nobushushu, ukufuma, kunye nesantya somoya se-paint booth nazo zizinto ezibalulekileyo.
1) Ukuqina kwe-resin: ubunzima be-molecular, ukuhambelana (ipharamitha yokunyibilika: ixabiso le-SP)
2) Umbala: ukufunxwa kweoyile, uxinaniso lwemibala (PWC), ubungakanani bamasuntswana asasazekileyo
3) Izongezo: iarhente eqhina, iarhente yokulinganisa, iarhente yokususa ivumba, isithiyo sokwahlulwa kombala, njl.njl.
4) Isantya sokunyanga: ukuxinana kwamaqela asebenzayo kwi-resin esisiseko, ukwenziwa kwakhona kwe-arhente yokudibanisa
Ukongeza, ubukhulu befilimu yokugquma bunempembelelo enkulu kwimbonakalo egqityiweyo yengubo ephezulu. Kutshanje, iarhente egobileyo yesakhiwo efana ne-microgel yenza kube nokwenzeka ukufikelela kwiipropati zokuhamba kunye nokulinganisa, kwaye imbonakalo egqityiweyo iphuculwa yingubo etyebileyo yefilimu.
- Ukumelana nemozulu kwengubo ephezulu: Nangona iimoto zivezwa kwiindawo ezahlukeneyo, ingubo ephezulu ifumana ukusebenza kokukhanya, amanzi, ioksijini, ubushushu, njl. Ngenxa yoko, kwenzeka izinto ezininzi ezingathandekiyo eziphazamisa ubuhle.
1) Izinto ezibonakalayo
* Ukubola kokukhanya: Ukuguda komphezulu wefilimu yokugquma kuyonakala, kwaye ukukhanya okusasazekayo okuvela kumphezulu kuyanda. Ukwakheka kwe-resin kubalulekile, kodwa kukwakho nefuthe le-pigment.
* Ukutshintsha kombala: Ithoni yombala wengubo yokuqala iyatshintsha ngokwexesha lokwaluphala kwengubo okanye i-resin kwifilimu yokugquma. Kwizicelo zeemoto, kufuneka kukhethwe umbala omelana nemozulu kakhulu.
2) iziganeko zoomatshini
* Iintanda: Iintanda zenzeka kumaleko womphezulu wefilimu yokugquma okanye yonke ifilimu yokugquma ngenxa yotshintsho kwiimpawu zomzimba zefilimu yokugquma ngenxa ye-photooxidation okanye i-hydrolysis (ukuncipha kobude, ukunamathela, njl.njl.) kunye noxinzelelo lwangaphakathi. Ngokukodwa, idla ngokuvela kwifilimu yokugquma ecacileyo yesinyithi, kwaye ukongeza ekulungiseni iimpawu zomzimba zefilimu yokugquma zokwakheka kwe-acrylic resin kunye nokulungiswa kweempawu zomzimba zefilimu yokugquma, ukusetyenziswa kwe-ultraviolet absorber kunye ne-antioxidant kuyasebenza.
* Ukuxobuka: Ifilimu yokugquma ixobuka kancinci ngenxa yokuncipha kokunamathela kwefilimu yokugquma okanye ukwehla kweempawu ze-rheological, kunye nokusebenza kwamandla angaphandle afana nokutshiza okanye ukungcangcazela kwamatye.
3) isenzeko sekhemikhali
* Ungcoliseko lwamabala: Ukuba umsi, izidumbu zezinambuzane, okanye imvula eneasidi zinamathela kumphezulu wefilimu yokugquma, loo ndawo iyajika ibe ngamabala ize ibe ngamabala. Kubalulekile ukufaka umbala omelana nokukrweleka, omelana ne-alkali kunye ne-resin. Esinye sezizathu zokuba ulusu olucacileyo lusetyenziswe kumbala wesinyithi kukukhusela umgubo we-aluminium.
- Imingeni yexesha elizayo ye-topcoat: Ubuhle kunye noyilo ziya zisiba zibaluleke ngakumbi ekuphuculeni iimpawu zorhwebo zeemoto. Ngelixa kuphendulwa ukuhlukahluka kweemfuno kunye notshintsho kwizinto ezifana neplastiki, kuyimfuneko ukuphendula kwiimfuno zentlalo ezifana nokuwohloka kwendawo yokuvezwa kweemoto kunye nokunciphisa ungcoliseko lomoya. Phantsi kwezi meko, kuqwalaselwa ii-topcoat ezahlukeneyo zemoto elandelayo.
Makhe sijonge ngokusondeleyo iinkqubo eziqhelekileyo zokupeyinta iimoto size sibone apho ubushushu kunye nokudluliselwa kobunzima zizinto ezibalulekileyo khona. Inkqubo yokupeyinta ngokubanzi kwiimoto yile ilandelayo.
① Unyango lwangaphambi konyango
② Ukufakwa kwe-electrode (undercoat)
③ Umzobo we-Sealant
④ Ukugqunywa ngaphantsi
⑤ umzobo wewax
⑥ I-Anti-Chip Primer
⑦ Iprimer
⑧ Ingubo ephezulu
⑨ Ukususa nokupolisha iziphene
Inkqubo yokwenziwa kweemoto ithatha malunga neeyure ezingama-20, apho iiyure ezili-10, ezizisiqingatha, inkqubo edweliswe apha ngasentla ithatha malunga neeyure ezili-10. Phakathi kwazo, ezona nkqubo zibalulekileyo nezibalulekileyo kunyango lwangaphambi konyango, ukugquma nge-electrodeposition (ukugquma nge-undercoat), ukugquma nge-primer, kunye nokugquma nge-top. Masigxile kwezi nkqubo.
Ixesha lokuthumela: Novemba-08-2022
