1. Ukudweba
-Incazelo: Ukudweba yitemu elivamile lemisebenzi eyenziwayo ukuze kwakhiwe ifilimu yokumboza kusetshenziswa upende ngenjongo yokumboza indawo engaphezulu yento ukuze kuvikelwe kanye nobuhle, njll.
-Inhloso: Inhloso yokudweba akuyona nje ubuhle kuphela, kodwa futhi ukuvikela futhi, ngenxa yalokho, ukuthuthukiswa kwekhwalithi yomkhiqizo.
1) Ukuvikela: Izinto eziningi eziyinhloko ezihlanganisa izimoto amapuleti ensimbi, futhi uma imoto yenziwe ngepuleti lensimbi njengesimbozo, isabela ngomswakama noma umoya-mpilo emoyeni ukuze ikhiqize ukugqwala. Inhloso enkulu yokudweba ukuvikela into ngokuvimbela ukugqwala okunjalo (ukugqwala).
2) Ubuhle: Ukwakheka kwemoto kunezinhlobo ezimbalwa zezindawo nemigqa efana nezindawo ezinezinhlangothi ezintathu, indawo eyisicaba, indawo egobile, imigqa eqondile, namajika. Ngokudweba into enjalo yokuma eyinkimbinkimbi, ibonisa umuzwa wombala ohambisana nokuma kwemoto futhi uthuthukise ubuhle bemoto ngesikhathi esifanayo.
3) Ukuthuthukiswa kokuthengiseka: Njengamanje, kunezinhlobo ezahlukene zezimoto emakethe, kodwa phakathi kwazo, uma uqhathanisa izimoto ezinomumo ohlangene nomsebenzi ofanayo, isibonelo, leyo enopende wamathoni amabili ibonakala ingcono. inani liyakhula njengoba Ngale ndlela, futhi kungenye yezinhloso zokuzama ukuthuthukisa inani lomkhiqizo ngokudweba. Ngaphezu kwalokho, ukuqina kwengaphandle lezimoto kuyadingeka ngenxa yezinguquko zakamuva zemvelo. Isibonelo, isidingo samapende asebenzayo avimbela ukulimala kwefilimu yokunameka okubangelwa imvula ene-asidi kanye nokuwohloka kokucwebezela kokuqala okubangelwa amabhulashi okugeza izimoto ezizenzakalelayo siyakhula, ngaleyo ndlela kuthuthukisa ukuthengiseka.Ukudweba okuzenzakalelayo nokudweba okwenziwa ngesandla kokubili kusetshenziswa kuye ngezidingo zekhwalithi yokumboza.
2. Ukubunjwa kopende: Ukubunjwa kopende Upende uwuketshezi olubonakalayo lapho izingxenye ezintathu ze-pigment, i-resin, ne-solvent zixutshwe ngokufanayo (zihlakazekile).
- I-Pigment: Impushana enombala engancibiliki ezincibilikisini noma emanzini. Umehluko kodayi ukuthi bahlakazeka njengezinhlayiya ngaphandle kokuncibilika emanzini noma ezincibilikilweni. Usayizi wezinhlayiyana usukela kuma-micrometer ambalwa kuya kumashumi amaningana ama-micrometer. Ngaphezu kwalokho, kukhona izimo ezihlukahlukene, ezifana nesimo esiyindilinga, ukwakheka kwenduku, ukwakheka kwenaliti, nokuma okuxekethile. Kuyimpushana (impuphu) enikeza umbala (amandla ombala) namandla okufihla (ikhono lokumboza nokufihla ubuso bento ngokubonakala opaque) efilimu yokumboza, futhi kunezinhlobo ezimbili: ezingaphili kanye ne-organic. I-pigment), ukupholisha, kanye ne-extender pigments isetshenziselwa ukuthuthukisa umuzwa wezwe. Amapende angenambala futhi abonisa ngale abizwa ngokuthi acacile phakathi kwamapende, lapho i-pigment ingafakwa ezingxenyeni ezakha upende,
Isetshenziselwa ukunikeza ifilimu yokumboza ukukhanya okwengeziwe.
1) Umsebenzi we-pigment
* Umbala wombala: umbala onikezayo, amandla okufihla
hamba. Imibala ye-Inorganic: Lezi ngokuyinhloko izimibalabala zemvelo ezifana nezimhlophe, eziphuzi, nezinsundu ngokubomvu. Ziyizinhlanganisela zensimbi ezifana ne-zinc, i-titanium, insimbi eholayo, ithusi, njll. Ngokuvamile, banokuhle kakhulu ukumelana nesimo sezulu kanye nezindawo zokufihla ukushisa ukumelana nokushisa, kodwa ngokugqama kombala, azikho kahle njengezingulube eziphilayo. Njengopende wezimoto, i-pigment ye-inorganic iyodwa ayisetshenziswa. Ngaphezu kwalokho, ngokombono wokuvimbela ukungcoliswa kwemvelo, izingulube eziqukethe izinsimbi ezinzima eziyingozi njenge-cadmium ne-chromium azisetshenziswa okwamanje.
wena. I-Organic pigment: Ikhiqizwa nge-organic synthesis by periodic chemical reaction, futhi iyinto eyenziwe ngenhlanganisela yensimbi noma njengoba injalo ngokwemvelo. Ngokuvamile, indawo yokucasha ayinhle kakhulu, kodwa njengoba kutholakala umbala ocacile, isetshenziselwa kabanzi umdwebo ocacile wombala oqinile, umbala wensimbi, nombala we-mica njengopende wangaphandle wezimoto.
* I-anti-rust pigment: ukuvimbela ukugqwala
* I-Extender Pigment: Ifilimu yokugqoka eqinile ingatholakala, ivimbele ukubola kwefilimu yokugqoka nokuthuthukisa ukuqina.
- I-Resin: Uketshezi olubonisa ngale oluhlanganisa umbala nebala futhi lunikeze ukucwebezela, ukuqina, nokunamathela kwifilimu enamathelayo. Elinye igama libizwa ngokuthi i-binder. Ukomisa izakhiwo nokuqina kwefilimu yokugqoka kuncike kakhulu kuzakhiwo ze-resin.
1) I-resin yemvelo: Ikhishwa kakhulu noma ikhishwe ezitshalweni futhi isetshenziselwa upende onjenge-varnish esekelwe uwoyela, i-varnish, ne-lacquer.
2) I-Synthetic resin: Yigama elijwayelekile lalawo ahlanganiswe ngokuhlangana kwamakhemikhali avela kumakhemikhali ahlukahlukene. Kuyinhlanganisela ephilayo enesisindo esikhulu samangqamuzana uma kuqhathaniswa nama-resin emvelo. Ngaphezu kwalokho, ama-resin okwenziwa ahlukaniswe abe ama-thermoplastic resins (athambisa futhi ancibilike lapho kushisa) kanye ne-thermosetting resins (iqina ngokusabela kwamakhemikhali ngokufaka ukushisa, futhi ayithambisi futhi iyancibilika ngisho nalapho iphinde ifudumale ngemva kokupholisa).
- I-Solvent: Iwuketshezi olusobala oluncibilikisa inhlaka ukuze umbala nenhlaka kuxubane kalula. Ngemuva kokudweba, iyahwamuka njengomncane futhi ayihlali kufilimu yokugqoka.
Cumdwebo we-ar
1. Uhlolojikelele kanye Nencazelo Yamapende: Ngokombono wokunikeza 'ukuvimbela ukugqwala (okunqanda ukugqwala)' kanye 'nezakhiwo zobuhle', amapende ezimoto adlale indima ekuthuthukiseni ukumaketheka kwezimoto ngokusebenzisa ubuchwepheshe bamuva bangaleso sikhathi. Ezintweni zekhwalithi ezilandelayo, amapende kanye nezinhlelo zokumboza zenzelwe ukufeza lezi zimfanelo zokumboza ngokwezomnotho kakhulu.
Amapende ngokuvamile ayageleza futhi anendawo yokugcotshwa phezu kwento ezogcotshwa futhi yakhe ifilimu eqhubekayo (ifilimu yokuhlanganisa) ngokusebenzisa izinqubo zokomisa nokuphulukisa. Ngokwezakhiwo zomzimba kanye namakhemikhali efilimu yokumboza eyakhiwe ngale ndlela, 'ukuvimbela ukugqwala' kanye 'ne-plasty' kunikezwa entweni ezogcotshwa.
2. Inqubo yokudweba izimoto: Ukuze uthole ikhwalithi yokugqoka yemoto eqondiwe ngendlela eyonga kakhulu, inqubo yokumboza kanye nokucaciswa kokugqoka kuyasethwa, futhi ikhwalithi ngayinye ebalulekile inikezwa ifilimu yokugqoka etholakala kunqubo ngayinye. Ngaphezu kwalokho, njengoba izici zefilimu yokumboza zincike ekusebenzeni okuhle nokubi kwenqubo, upende osetshenziswa enkambweni ngayinye uklanyelwe ukuze umsebenzi oyinhloko owabelwe ukhuliswe ngokucabangela izimo zenqubo.Isicelo silawulwa ngokuqinile esitolo sikapende.
Inqubo engenhla iwuhlelo lwamajazi amajazi ama-3 noma amajazi ama-4 olusetshenziswa kakhulu ukumboza amaphaneli angaphandle emoto, futhi ifilimu yokumboza eyakhiwe kunqubo ngayinye ibonisa imisebenzi ezochazwa kamuva futhi isungula ikhwalithi yokumboza yezimoto njengokuhlanganisa konke. uhlelo lokumboza. Emalolini nasezimotweni ezilula, kunezimo lapho uhlelo lokumboza amajazi amabili lapho isinyathelo esiphakathi sishiywe esinyathelweni sokugqoka sisetshenziswa. Futhi, ezimotweni ezisezingeni eliphezulu, kungenzeka ukufeza ikhwalithi engcono ngokusebenzisa ijazi eliphakathi noma eliphezulu kabili.
Futhi, maduzane, inqubo yokunciphisa izindleko zokumboza ngokuhlanganisa izinqubo zokugqoka eziphakathi nendawo phezulu iye yafundwa futhi yasetshenziswa.
- Inqubo yokwelapha engaphezulu: Ithuthukisa ukuvimbela ukugqwala ngokucindezela ukugqwala kwensimbi nokuqinisa ukunamathela phakathi kwejazi elingaphansi (ifilimu ye-electrodeposition) kanye nempahla (substrate). Njengamanje, i-zinc phosphate iyingxenye eyinhloko yefilimu, futhi indlela yokwelapha yokucwilisa ijwayelekile ukuze ikwazi ukuphatha kahle izingxenye ezinezakhiwo eziyinkimbinkimbi. Ikakhulukazi, i-cationic electrodeposition, izinsimbi ezifana ne-Fe, i-Ni, ne-Mn ngaphandle kwe-Zn zihlanganiswa enamathela ukuze kuthuthukiswe ukumelana nokugqwala.
- I-Electrodeposition coating (Cathion type electrodeposition primer): I-undercoating ihlanganyela ikakhulukazi umsebenzi wokuvimbela ukugqwala. Ngaphezu kwezakhiwo ezinhle kakhulu zokulwa nokugqwala, upende we-cationic electrodeposition osuselwe ku-epoxy resin unezinzuzo ezilandelayo ekugqumeni okungaphansi kwezimoto. ① Akukho ukutholakala kwefilimu ephathwe nge-zinc phosphate ngesikhathi sokumbozwa kwe-electrodeposition. ② Umthelela ovimbelayo wokusabela kokugqwala ngenxa yesisekelo esakhiweni senhlaka ③ Isakhiwo esihle kakhulu sokulwa nokugqwala ngenxa yomphumela wokugcina ukunamathela ngenxa yokumelana okuphezulu kwe-alkali kwe-epoxy resin.
1) Izinzuzo ze-cationic electrodeposition
* Ngisho nezimo eziyinkimbinkimbi zingagcotshwa ngogqinsi lwefilimu efanayo
* Ukungena kwangaphakathi okuhle kakhulu ezingxenyeni eziyinkimbinkimbi namalunga.
* Ukudweba okuzenzakalelayo
* Ukugcinwa okulula nokuphathwa komugqa.
* Ukusebenza kahle kokudweba.
* Uhlelo lokugeza amanzi oluvaliwe lwe-UF lungasetshenziswa (ukulahleka okuncane kopende kanye nokungcoliswa okuncane kwamanzi angcolile)
* Okuqukethwe kwe-solvent ephansi kanye nokungcoliswa komoya okuphansi.
* Kuwupende osekelwe emanzini, futhi ingozi yomlilo incane.
2) Upende we-Cationic electrodeposition: Ngokuvamile, i-polyamino resin etholakala ngokungeza okuyinhloko kuma-quaternary amines ku-epoxy resin. Ihlukaniswa ne-asidi (i-acetic acid) ukuze ikwazi ukuncibilika emanzini. Ukwengeza, indlela yokwelapha yefilimu yokwemboza iwuhlobo lokusabela lwe-urethane crosslinking kusetshenziswa i-Isocyanate Evinjiwe njenge-ejenti yokwelapha.
3) Ukwenza ngcono umsebenzi kapende we-electrodeposition: Usakazwa emhlabeni wonke njengejazi langaphansi lemoto, kodwa ucwaningo nokuthuthuka kuyaqhubeka nokuthuthukisa hhayi kuphela ikhwalithi evimbela ukugqwala kwayo yonke imoto kodwa nekhwalithi yokuplasta.
* Umsebenzi wokuvimbela ukugqwala/ungqimba oluvikelayo
hamba. Impahla enamathela ngokuphelele, ukumelana nokungena kwamalunga, ukumelana nokuqhekeka
wena. I-Anti-rust steel sheet ukufaneleka (ukunamathela ukumelana namanzi, ukumelana ne-spin)
yenza. Ukuqina kwezinga lokushisa eliphansi (Ukumelana nokugqwala okuthuthukisiwe kwezingxenye ezinamathiselwe irabha, njll.)
* Umsebenzi wezimonyo/okuhlobisa
hamba. Izakhiwo zokumboza zokuqina kwepuleti lensimbi (kunomthelela ekwenzeni ngcono ukushelela nokucwebezela, njll.)
wena. Ukumelana nokuphuzi (ukuvimbela ukuphuzi kwe-topcoat emhlophe)
- Ijazi eliphakathi: Ijazi eliphakathi lidlala indima eyisizayo yokwandisa umsebenzi wokuvimbela ukugqwala kwejazi elingaphansi (i-electrodeposition) kanye nomsebenzi wokuplasta wejazi eliphezulu, futhi linomsebenzi wokuthuthukisa ikhwalithi kapende yalo lonke uhlelo lokudweba. Ukwengeza, inqubo yokugqoka ephakathi ifaka isandla ekwehliseni iziphambeko zokumboza ngoba ihlanganisa amaphutha angenakugwemeka we-undercoat (imihuzuko, ukunamathela kothuli, njll.) ngezinga elithile emgqeni wangempela wokudweba.
Upende omaphakathi uwuhlobo olusebenzisa inhlaka ye-polyester engenawo uwoyela njenge-resin eyisisekelo futhi iyelapha ukushisa ngokwethula inhlaka ye-melamine kanye ne-urethane (Bl) muva nje. Muva nje, ukuze kuthuthukiswe ukumelana nokuqhekeka, i-chipping primer kwesinye isikhathi imbozwa ngokumanzi kokumanzi phakathi nenqubo yangaphambilini.
1) Ukuqina kwejazi eliphakathi
* Ukumelana namanzi: i-absorbency ephansi futhi icindezela ukwenzeka kwamabhamuza
* I-Chipping resistance: Imunca amandla okushayisana lapho itshe lijikijelwa futhi inciphise umonakalo wefilimu enamathelayo eholela emsindweni futhi icindezele ukugqwala kotwayi.
* Ukumelana nesimo sezulu: Ukuwohloka okuncane ngenxa yemisebe ye-UV, futhi kucindezela ukuxebuka ngaphandle kwejazi eliphezulu.
2) Umsebenzi wokunamathisela wejazi eliphakathi
* Impahla yokumboza ngaphansi: Inikela ekwenziweni bushelelezi kwengaphandle eliqediwe ngokumboza ubulukhuni obungaphezulu be-electrodeposition coating
* Ukumelana ne-solvent: Ngokucindezela ukuvuvukala nokuhlakazeka kwejazi eliphakathi maqondana ne-solvent yejazi eliphezulu, ikhwalithi yokubonakala ephezulu iyatholakala.
* Ukulungiswa kombala: Ijazi eliphakathi ngokuvamile limpunga, kodwa muva nje kungenzeka ukusebenzisa ijazi eliphezulu elinezindawo zokucasha eziphansi ngokulifaka umbala (i-color sealer).
3) Upende ophakathi
*Ikhwalithi edingekayo yejazi eliphakathi: ukumelana nokuqhekeka, indawo yokucasha eyisisekelo, ukunamathela kwifilimu ye-electrodeposition, ubushelelezi, ukungabikho kokukhanya, ukunamathela kwejazi eliphezulu, ukumelana nokuwohloka kokukhanya
- Ijazi eliphezulu: Umsebenzi omkhulu wejazi langaphezulu ukuhlinzeka ngempahla yezimonyo kanye nokulivikela nokuyigcina. Kukhona izinto zekhwalithi ezifana nombala, ukushelela kwendawo, ukucwebezela, kanye nekhwalithi yesithombe (ikhono lokukhanyisa ngokucacile isithombe sento ekwifilimu yokumboza). Ngaphezu kwalokho, ikhono lokuvikela nokugcina ubuhle bezimoto ezinjalo isikhathi eside liyadingeka ngejazi eliphezulu.
- Ijazi eliphezulu: Umsebenzi omkhulu wejazi langaphezulu ukuhlinzeka ngempahla yezimonyo kanye nokulivikela nokuyigcina. Kukhona izinto zekhwalithi ezifana nombala, ukushelela kwendawo, ukucwebezela, kanye nekhwalithi yesithombe (ikhono lokukhanyisa ngokucacile isithombe sento ekwifilimu yokumboza). Ngaphezu kwalokho, ikhono lokuvikela nokugcina ubuhle bezimoto ezinjalo isikhathi eside liyadingeka ngejazi eliphezulu.
1) Ijazi eliphezulu: Imibala ihlukaniswa ngokwesisekelo se-pigment esisetshenziswe kupende, futhi ihlukaniswe kakhulu ngombala we-mica, umbala wensimbi nombala oqinile kuye ngokuthi kusetshenziswa izingulube ze-flake ezifana nama-flakes e-aluminium powder.
* Ikhwalithi yokubukeka: ukushelela, ukucwebezela, ukugqama, umuzwa wezwe
* Ukuqina: ukugcinwa kwesicwebezelisi nokuvikelwa, ukushintsha kombala, ukufiphala
* Ukunamathela: Phinda unamathisele ukunamathela, ukunamathela kwethoni emi-2, ukunamathela okuphakathi
* Ukumelana ne-solvent
* Ukumelana namakhemikhali
* Ikhwalithi esebenzayo: ukumelana nokugeza imoto, ukumelana nemvula ene-asidi, ukumelana nokuqhekeka
2) Upende ohambisana nemvelo
* Okuqinile Okuphezulu: Lona upende oqinile kakhulu ophendula imithetho ye-VOC (Volatile Organic Compounds), futhi uwuhlobo olunciphisa inani le-organic solvent elisetshenziswayo. Ibonakala ngomuzwa omuhle kakhulu wezwe nokusebenzisa i-resin enesisindo esiphansi.
* Uhlobo lwe-Water Bome (upende osuselwe emanzini): Lona upende onciphisa inani le-organic solvent elisetshenziswa futhi lisebenzisa amanzi (amanzi ahlanzekile) njengesinciphisi sopende. Njengesici, indawo yokushisa (IR_Preheat) engakwazi ukuhwamulisa amanzi iyadingeka ohlelweni lokudweba, ngakho-ke ukulungiswa kwesikhungo kuyadingeka, futhi isifutho sidinga indlela ye-electrode yopende olusekelwe emanzini.
3) Upende osebenzayo
* I-CCS (I-Complex Crosslinking System, upende oyinkimbinkimbi wohlobo lwe-crosslinking): Iwuhlobo lwe-urethane (isocyanate) noma i-silane resin lapho ingxenye ye-melamine resin, esengozini yemvula ene-asidi ohlelweni lwe-acrylic/melamine resin, ishintshwa khona. , futhi ukumelana ne-asidi nokumelana nokuklwebheka kuyathuthukiswa.
* I-NCS (I-New Crosslinking System, I-New Crosslinking Type Paint): Upende ongasuselwe ku-melamine owenziwe nge-acid-epoxy yokwelapha ku-acrylic resin. Inokumelana ne-asidi okuhle kakhulu, ukumelana nokuklwebheka, nokumelana namabala.
- Ukusebenza kokunamathela kwejazi eliphezulu: Ukuze uthole ngokwezomnotho ukuphindaphindeka okuhle kwejazi langaphezulu eliqondiwe, ukusebenza kahle kopende (i-atomization, ukugeleza, iphinifa, ukushelela, njll.) kubalulekile. Kulokhu, kubalulekile ukulungisa ukuziphatha kwe-viscosity ohlelweni lokubunjwa kwamafilimu amaningi kusukela ekudwebeni kuya ekubhakeni nasekuqiniseni. Izimo zemvelo zokudweba ezifana nezinga lokushisa, umswakama, nesivinini somoya sedokodo lokudweba nazo ziyizici ezibalulekile.
1) I-viscosity ye-resin: isisindo samangqamuzana, ukuhambisana (ipharamitha yokuncibilika: inani le-SP)
2) I-pigment: ukumuncwa kukawoyela, ukugxilwa kwe-pigment (PWC), usayizi wezinhlayiyana ezihlakazekile
3) Izithasiselo: i-ejenti ye-viscous, i-ejenti yokulinganisa, i-ejenti yokukhipha amagwebu, inhibitor yokuhlukanisa umbala, njll.
4) Isivinini sokwelapha: ukuhlangana kwamaqembu asebenzayo ku-resin eyisisekelo, ukuphinda kusebenze kwe-ejenti exhumanisayo
Ngaphezu kwalokho, ubukhulu befilimu yokugqoka bunomthelela omkhulu ekubukeni okuphelile kwejazi eliphezulu. Muva nje, i-ejenti ye-viscous yesakhiwo efana ne-microgel yenza kube nokwenzeka ukufeza kokubili ukugeleza kanye nezakhiwo zokulinganisa, futhi ukubukeka okuphelile kuthuthukiswa ukumbozwa kwefilimu ewugqinsi.
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- Ukumelana nesimo sezulu se-top coating: Nakuba izimoto zivezwa ezindaweni ezihlukahlukene, ukugqoka okuphezulu kuthola ukusebenza kokukhanya, amanzi, umoya-mpilo, ukushisa, njll. Ngenxa yalokho, kwenzeka izinto eziningi ezingezinhle eziphazamisa ubuhle.
1) Izimo ze-Optical
* Ukuwohloka kwe-gloss: Ubushelelezi bobuso befilimu yokumboza bulimele, futhi ukubonakaliswa okusabalele kokukhanya okuvela phezulu kuyanda. Ukwakheka kwe-resin kubalulekile, kodwa kukhona nomphumela we-pigment.
* Ukushintsha umbala: Ithoni yombala wento yokuqala enamathelayo iyashintsha ngokuya ngokuguga kwe-pigment noma inhlaka efilimini yokumboza. Kuzinhlelo zokusebenza zezimoto, i-pigment emelana nesimo sezulu kufanele ikhethwe.
2) izenzakalo mechanical
* Imifantu: Imifantu iyenzeka kungqimba lwefilimu yokumboza noma yonke ifilimu yokumboza ngenxa yezinguquko zezakhiwo ezibonakalayo zefilimu yokuhlanganisa ngenxa ye-photooxidation noma i-hydrolysis (ukuncipha kwe-elongation, ukunamathela, njll.) nokucindezeleka kwangaphakathi. Ikakhulukazi, kuvame ukwenzeka efilimini yensimbi ecwebezelayo, futhi ngaphezu kokulungiswa kwezakhiwo zefilimu zokumboza ukwakheka kwe-acrylic resin kanye nokulungiswa kwezakhiwo zefilimu enamathelayo, ukusetshenziswa kwe-absorber ultraviolet kanye ne-antioxidant. iyasebenza.
* Ukucwecwa: Ifilimu yokumboza ixetshulwa ingxenye ngenxa yokuncipha kokunamathela kwefilimu enamathelayo noma ukuncipha kwezakhiwo ze-rheological, kanye nesenzo samandla angaphandle njengokuchaphaza noma ukudlidliza kwamatshe.
3) isenzakalo samakhemikhali
* Ukungcoliswa kwamabala: Uma umule, izidumbu zezinambuzane, noma imvula ene-asidi inamathela phezu kwefilimu embozayo, leyo ngxenye iba namabala futhi ishintshe umbala ibe amabala. Kuyadingeka ukufaka umbala ongazweli, ukumelana ne-alkali kanye ne-resin. Esinye sezizathu zokuthi kungani ijazi elicacile lisetshenziselwa umbala wensimbi ukuvikela i-aluminium powder.
- Izinselele zesikhathi esizayo zejazi eliphezulu: Ubuhle nedizayini kuya ngokuya kubaluleke kakhulu ekuthuthukiseni izakhiwo zezentengiso zezimoto. Ngenkathi kuphendulwa ukuhlukahluka kwezimfuno kanye noshintsho ezintweni ezinjengamapulasitiki, kuyadingeka ukuphendula ezidingweni zomphakathi njengokuwohloka kwendawo yokuchayeka ezimotweni kanye nokunciphisa ukungcoliswa komoya. Ngaphansi kwalezi zimo, kucatshangelwa amajazi angaphezulu ahlukahlukene emoto elandelayo.
Ake sibhekisise izinqubo ezijwayelekile zokudweba izimoto futhi sibone lapho ukushisa nokudlulisa okukhulu kuyizinhlelo zokusebenza ezibalulekile. Inqubo evamile yokudweba izimoto imi kanje.
① Ukwelashwa kusengaphambili
② Electrodeposition (undercoat)
③ Umdwebo we-sealant
④ Ngaphansi Kokunamathela
⑤ umdwebo we-wax
⑥ I-Anti-Chip Primer
⑦ I-Primer
⑧ Ijazi eliphezulu
⑨ Ukususwa kwesici nokupholishwa
Inqubo yokukhiqiza izimoto ithatha amahora angaba ngu-20, amahora angu-10, okuyisigamu, inqubo ebhalwe ngenhla ithatha cishe amahora angu-10. Phakathi kwazo, izinqubo ezibaluleke kakhulu nezibaluleke kakhulu ukunakekelwa kwangaphambili, ukumbozwa kwe-electrodeposition (i-undercoat coat), i-primer coating, ne-top coating. Ake sigxile kulezi zinqubo.
Isikhathi sokuthumela: Nov-08-2022
