Kwiinkalo ezininzi ezinjengokwakha kunye nezixhobo zombane zasekhaya, iiPPGI zentsimbi yeeCoils zisetyenziswa ngokubanzi ngenxa yemibala yazo etyebileyo kunye nokusebenza okugqwesileyo. Kodwa ngaba ubusazi ukuba "umanduleli" wayo yiKhoyili yentsimbi yeGalvanized? Oku kulandelayo kuya kutyhila inkqubo yendlela iKhoyili yePhepha eliGalisiweyo eveliswa ngayo kwiCoil yePPGI.
1. Ukuqonda iiCoils zeGalvanized kunye nePPGI Coils
Iikhoyili zeGalvanized Abavelisi banxibe iikhoyili kunye ne-zinc layer phezu komhlaba, eyona nto isebenzela umhlwa - umsebenzi wobungqina kunye nokwandisa ubomi benkonzo yentsimbi. Iikhoyili zentsimbi ze-PPGI zithatha iikhoyili zetsimbi eziphekiweyo njenge-substrate. Emva koluhlu lokucutshungulwa, iingubo eziphilayo zifakwe kwindawo yazo. Ayigcini nje ngokugcina umhlwa - iipropathi zobungqina bekhoyili yentsimbi efakwe amazinga kodwa yongeza iimpawu ezigqwesileyo ezifana nobuhle kunye nokumelana nemozulu.
2. Amanyathelo oMveliso aPhambili kuMzi-mveliso weNtsimbi yeGalvanized
(1) Inkqubo yokuNyangwa kwangaphambili - Ukunciphisa: Umphezulu weentsimbi zentsimbi unokuba nokungcola okufana neoli kunye nothuli. Ezi zingcolisi zisuswa yizisombululo ze-alkaline okanye ii-agent ze-chemical degreasing ukuqinisekisa ukudibanisa okungcono kokugquma okulandelayo kunye ne-substrate. Umzekelo, ukusetyenziswa kwesisombululo sokucoca esine-surfactant sinokubola ngokufanelekileyo iimolekyuli zeoyile.
Unyango lokuguqulwa kweekhemikhali: Eziqhelekileyo ziquka i-chromization okanye i-chromium - unyango lwe-passivation lwamahhala. Yenza ifilimu yekhemikhali encinci kakhulu kumphezulu womgangatho we-galvanized, ijolise ekuphuculeni ukunamathela phakathi kwe-substrate kunye nepeyinti ngelixa iphucula ngakumbi ukuxhathisa ukubola. Le filimu ifana "nebhulorho", eyenza ukuba ipeyinti idibaniswe ngokusondeleyo kwikhoyili yensimbi.
(2) Inkqubo yePainting - I-Primer Coating: I-primer isetyenziswe kwi-coil ye-galvanized yangaphambili ephathwayo ngokusebenzisa i-roller coating okanye ezinye iindlela. Umsebenzi oyintloko we-primer kukuthintela ukugqwala. Iqulethe i-anti-rust pigments kunye ne-resins, enokuthi ihlukanise ngokufanelekileyo uqhagamshelwano phakathi kokufuma, i-oksijini, kunye ne-galvanized layer. Ngokomzekelo, i-epoxy primer inokubambelela kakuhle kunye nokuchasana nokugqwala.
Idyasi yengubo engaphezulu: Khetha idyasi yedyasi yemibala eyahlukeneyo kunye nentsebenzo yokwaleka ngokweemfuno. I-topcoat ayinikezi kuphela i-coil ye-PPGI ngemibala ecebileyo kodwa inika ukhuseleko olufana nokumelana nemozulu kunye nokumelana nokunxiba. Umzekelo, i-polyester topcoat inemibala eqaqambileyo kunye nokumelana okuhle kwe-UV, kuyenza ilungele ukwakhiwa kwangaphandle. Eminye imibala - iikhoyili ezigqunyiweyo nazo zinepeyinti yangasemva ukukhusela umva we-substrate kukhukuliseko lokusingqongileyo.
(3) Ukubhaka kunye nokuNyanga Umtya wentsimbi opeyintiweyo ungena kwiziko lokubhaka kwaye ubhakwe kwiqondo lobushushu elithile (lidla ngokuba yi-180℃ - 250℃). Ukushisa okuphezulu kwenza i-resin kwipeyinti iqhutywe kwi-cross-linking reaction, iqina kwifilimu kunye nokwenza i-coating eqinile. Ixesha lokubhaka kunye nobushushu kufuneka balawulwe ngokuchanekileyo. Ukuba iqondo lokushisa liphantsi kakhulu okanye ixesha linganele, ifilimu yepeyinti ayiyi kuphiliswa ngokupheleleyo, echaphazela ukusebenza; ukuba iqondo lokushisa liphezulu kakhulu okanye ixesha lide kakhulu, ifilimu yepeyinti inokujika ibe phuzi kwaye ukusebenza kwayo kunokuncipha.
(4) I-post-processing (Ngokuzikhethela) Ezinye iikhoyili ze-Steel ze-PPGI zihamba nge-post-processing njenge-embossing, i-laminating, njl. emva kokushiya i-oven. I-Embossing inokunyusa ubuhle bomphezulu kunye nokukhuhlana, kwaye i-laminating inokukhusela indawo yokugubungela ngexesha lokuthutha kunye nokucubungula ukukhusela imikrwelo.
3. Izinto eziluncedo kunye nokuSetyenziswa kwee-Coil zensimbi zePPGI Ngokusebenzisa le nkqubo ingentla, i-galvanized steel coil "iguqulwa" ngempumelelo ibe yi-coil ye-PPGI. I-PPGI Coil intle kwaye iyasebenza. Kwintsimi yokwakha, zingasetyenziselwa iindonga zangaphandle kunye nophahla lweefektri. Ngemibala eyahlukeneyo, yomelele kwaye ayipheli. Kwintsimi yezixhobo zasekhaya, ezinjengeefriji kunye ne-air-conditioner shells, zombini zikhangeleka kwaye zinxiba - zixhathisa. Ukusebenza kwayo okugqibeleleyo kuyenza ibambe indawo ebalulekileyo kumashishini amaninzi. Ukusuka kwikhoyili yegalvanized ukuya kwikhoyili yePPGI, inguqu ebonakala ilula eneneni ibandakanya ubuchwephesha obuchanekileyo kunye nefomula yesayensi. Ikhonkco ngalinye lemveliso liyimfuneko, kwaye ngokudibeneyo benza umsebenzi ogqwesileyo wekhoyili yePPGI, bongeza umbala kunye nokulula kwishishini lanamhlanje kunye nobomi.
Ixesha lokuposa: May-19-2025