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Izici Eziyinhloko Ezithinta Ikhwalithi Ye-Weld
Ngemuva kokushisela, isendlalelo sokuqala se-tin esivikelayo kumthungo we-weld sisuswa ngokuphelele, kusale insimbi eyisisekelo kuphela.
Ngakho-ke, kufanele imbozwe nge-high-molecule ye-organic coating ukuvimbela ukugqwala ukuthintana phakathi kwensimbi nokuphakathi nokugwema ukuguquguquka okubangelwa ukugqwala.
1. Izinhlobo zama-coatings
Izingubo zokulungisa zingahlukaniswa zibe izimbotshana eziwuketshezi kanye nezimbotshana eziyimpuphu. Uhlobo ngalunye lunezici ezihlukile ngenxa yomehluko ekubunjweni, ukusetshenziswa, kanye nezinqubo zokuphulukisa.
1. I-Liquid Coatings
Lokhu kufaka phakathi i-epoxy phenolic, i-acrylic, i-polyester, i-organosol, ne-pigmented coatings, elungele ukulungiswa kwe-weld seam kumakani amaningi okudla nesiphuzo.
▶ I-Epoxy Phenolic Coatings: Iba nama-micropores ambalwa, ukumelana okuhle kakhulu kwamakhemikhali nokubulala inzalo, kodwa idinga ukushisa okuphezulu kokubhaka. Ukubhaka okunganele kuholela ekwelapheni okungaphelele, okubangela ukuthi ukumbozwa kube mhlophe ngemuva kokuvalwa inzalo, kuthinte ukusebenza nokuphepha kokudla. Ukubhaka ngokweqile kunciphisa ukuguquguquka nokunamathela, okwenza ukunamathela kube brittle futhi kujwayele ukuqhekeka.
▶ I-Acrylic ne-Polyester Coatings: Inikeza ukunamathela okuhle kakhulu, ukuguquguquka, ukumelana namakhemikhali, nokumelana nokuvala inzalo. Kodwa-ke, izimbotshana ze-acrylic zingase zimunce imibala yokudla futhi zibe nokumelana okulinganiselwe nokugqwala kwe-sulfide.
▶ I-Organosol Coatings: Ibonakala ngokuqukethwe okuqinile okuphezulu, okwakha ama-coatings aminyene kuma-weld seams ngaphandle kwamabhamuza, anokuguquguquka okuhle kakhulu kanye nokucutshungulwa. Zidinga ukushisa okuncane okubhakwayo kunezinye izindwangu kodwa azikwazi ukungena kahle futhi zijwayele ukugqwala kwe-sulfide, okuzenza zingakufanelekeli ukudla okunesulfure.
▶ Izigqoko Ezinemibala: Ivamise ukwenziwa ngokungeza i-titanium dioxide noma i-aluminium powder kuma-organosol, epoxy, noma e-polyester ukuze kufihlwe izindawo zokugqwala ngaphansi kwefilimu, elungele ukushiselwa komthungo emathinini njengenyama yesidlo sasemini.
2. I-Powder Coatings
Izembatho zempushana zakha amafilimu awugqinsi, aphelele, anikeza isivikelo esingcono kakhulu se-weld seams. Abanakho ukukhishwa kwe-solvent ngesikhathi sokucubungula, ukunciphisa ukungcoliswa kwemvelo, futhi kusetshenziswe kakhulu emathini okudla neziphuzo anezidingo zokumelana nokugqwala okuphezulu.Izimbozo ze-powder zihlukaniswe ngezinhlobo ze-thermoplastic kanye ne-thermosetting.
▶ I-Thermoplastic Coatings: Ikakhulukazi eyakhiwe nge-polyester powder, i-titanium dioxide, i-barium sulfate, njll. Ukwakhiwa kwefilimu kuyinkqubo elula yokuncibilika, ngakho-ke ngesikhathi sokubhaka ngemva kokufafaza kwe-can full-can, lapho izinga lokushisa lifinyelela iphuzu lokuncibilika kwe-powder coating, i-coating yokulungisa izophinda iphinde ifake. Lezi zimbobo zivumelana nezimo kakhulu futhi zimelana nezinqubo ezihlukahlukene zemishini kodwa zinokumelana kwamakhemikhali okumpofu kunezimbozwe ze-thermosetting, ezimunca kalula imibala yokudla. Ukunamathela kwabo embotsheni yesisekelo kuphansi kunomthungo we-weld, okuholela ekubunjweni kwe-arch njengebhuloho.
▶ I-Thermosetting Coatings: Ikakhulukazi eyakhiwe nge-epoxy/polyester, yelapha ibe yizinhlanganisela zamangqamuzana aphezulu ngokusebenzisa i-polymerization ngemva kokushisisa, yenze amafilimu azacile kunama-thermoplastic anokumelana namakhemikhali okuhle kakhulu kodwa ukucutshungulwa okuphansi.
Izingubo zokulungisa zingahlukaniswa zibe izimbotshana eziwuketshezi kanye nezimbotshana eziyimpuphu. Uhlobo ngalunye lunezici ezihlukile ngenxa yomehluko ekubunjweni, ukusetshenziswa, kanye nezinqubo zokuphulukisa.
1. I-Liquid Coatings
Lokhu kufaka phakathi i-epoxy phenolic, i-acrylic, i-polyester, i-organosol, ne-pigmented coatings, elungele ukulungiswa kwe-weld seam kumakani amaningi okudla nesiphuzo.
▶ I-Epoxy Phenolic Coatings: Iba nama-micropores ambalwa, ukumelana okuhle kakhulu kwamakhemikhali nokubulala inzalo, kodwa idinga ukushisa okuphezulu kokubhaka. Ukubhaka okunganele kuholela ekwelapheni okungaphelele, okubangela ukuthi ukumbozwa kube mhlophe ngemuva kokuvalwa inzalo, kuthinte ukusebenza nokuphepha kokudla. Ukubhaka ngokweqile kunciphisa ukuguquguquka nokunamathela, okwenza ukunamathela kube brittle futhi kujwayele ukuqhekeka.
▶ I-Acrylic ne-Polyester Coatings: Inikeza ukunamathela okuhle kakhulu, ukuguquguquka, ukumelana namakhemikhali, nokumelana nokuvala inzalo. Kodwa-ke, izimbotshana ze-acrylic zingase zimunce imibala yokudla futhi zibe nokumelana okulinganiselwe nokugqwala kwe-sulfide.
▶ I-Organosol Coatings: Ibonakala ngokuqukethwe okuqinile okuphezulu, okwakha ama-coatings aminyene kuma-weld seams ngaphandle kwamabhamuza, anokuguquguquka okuhle kakhulu kanye nokucutshungulwa. Zidinga ukushisa okuncane okubhakwayo kunezinye izindwangu kodwa azikwazi ukungena kahle futhi zijwayele ukugqwala kwe-sulfide, okuzenza zingakufanelekeli ukudla okunesulfure.
▶ Izigqoko Ezinemibala: Ivamise ukwenziwa ngokungeza i-titanium dioxide noma i-aluminium powder kuma-organosol, epoxy, noma e-polyester ukuze kufihlwe izindawo zokugqwala ngaphansi kwefilimu, elungele ukushiselwa komthungo emathinini njengenyama yesidlo sasemini.
2. I-Powder Coatings
Izembatho zempushana zakha amafilimu awugqinsi, aphelele, anikeza isivikelo esingcono kakhulu se-weld seams. Abanakho ukukhishwa kwe-solvent ngesikhathi sokucubungula, ukunciphisa ukungcoliswa kwemvelo, futhi kusetshenziswe kakhulu emathini okudla neziphuzo anezidingo zokumelana nokugqwala okuphezulu.Izimbozo ze-powder zihlukaniswe ngezinhlobo ze-thermoplastic kanye ne-thermosetting.
▶ I-Thermoplastic Coatings: Ikakhulukazi eyakhiwe nge-polyester powder, i-titanium dioxide, i-barium sulfate, njll. Ukwakhiwa kwefilimu kuyinkqubo elula yokuncibilika, ngakho-ke ngesikhathi sokubhaka ngemva kokufafaza kwe-can full-can, lapho izinga lokushisa lifinyelela iphuzu lokuncibilika kwe-powder coating, i-coating yokulungisa izophinda iphinde ifake. Lezi zimbobo zivumelana nezimo kakhulu futhi zimelana nezinqubo ezihlukahlukene zemishini kodwa zinokumelana kwamakhemikhali okumpofu kunezimbozwe ze-thermosetting, ezimunca kalula imibala yokudla. Ukunamathela kwabo embotsheni yesisekelo kuphansi kunomthungo we-weld, okuholela ekubunjweni kwe-arch njengebhuloho.
▶ I-Thermosetting Coatings: Ikakhulukazi eyakhiwe nge-epoxy/polyester, yelapha ibe yizinhlanganisela zamangqamuzana aphezulu ngokusebenzisa i-polymerization ngemva kokushisisa, yenze amafilimu azacile kunama-thermoplastic anokumelana namakhemikhali okuhle kakhulu kodwa ukucutshungulwa okuphansi.
2. Ukuqina Kokunamathela
3. Ubuqotho be-Coating
1. Ikhwalithi yokushisela
Ubuqotho bezingubo zokulungisa uketshezi ngokuyinhloko kuncike ekubunjweni kwejometri ye-weld seam. Uma umthungo we-weld unamaphuzu we-spatter, i-extrusion eqinile, noma indawo embi kakhulu, i-liquid coatings ayikwazi ukuyivala ngokuphelele. Ukwengeza, ubukhulu bomthungo we-weld buthinta umphumela wokumboza; ngokuvamile, ukujiya komthungo we-weld kufanele kube izikhathi ezingaphansi kuka-1.5 ubukhulu bepuleti. Ngensimbi yesibili egoqelwe ngokubanda noma insimbi eqinile, ukujiya komthungo wokushisela kuwu-1.5 kuya ku-1.8 ukujiya kwepuleti.
I-weld seams eyenziwe ngaphandle kokuvikelwa kwe-nitrogen ingase ibe nokunamathela okungalungile kwe-coating yokulungisa ngenxa yezingqimba ze-oxide ngokweqile, okuholela ekuqhekekeni kokugqoka phakathi nezinqubo ezilandelayo ezifana ne-flanging, i-necking, ne-beading, okuthinta ubuqotho be-coating yokulungisa.
Izembatho zempushana, ngenxa yobukhulu bazo obanele, zingabhekana ngokuphelele nezinkinga zokuvezwa kwensimbi ezibangelwa ukukhubazeka kwe-weld, okuhlinzeka ngokuvikeleka okuhle kakhulu kwe-weld seam.
2. Amabhamuza
Ukubunjwa kwe-solvent okungenangqondo emigqonyeni yokulungisa uketshezi kungathinta ubuqotho bokugqoka. Lapho uketshezi oluwuketshezi luqukethe ama-solvents amaningi aphansi-abilayo, noma uma izinga lokushisa likhuphuka ngokushesha kakhulu ngesikhathi sokubhaka, noma uma izinga lokushisa le-weld seam liphezulu kakhulu, inani elikhulu le-solvent liyahwamuka ngesikhathi sokubhaka, lishiye izintambo zamabhamuza noma ama-micropores enamathela, ukunciphisa ukumboza kanye nomphumela wokuvikela kumthungo we-weld.
4. Ukubhaka kanye Nokwelapha
1. Ukwelapha Inqubo Yokulungisa Izingubo
Ukubhaka nokuphulukiswa kwezindwangu eziwuketshezi kungahle kuhlukaniswe ngezigaba ezilandelayo: amazinga okuqala okunamathela futhi amanzise i-weld seam kanye nezindawo ezingenalutho (cishe imizuzwana engu-1-2), kulandelwa ukuhwamuka kwe-solvent ukuze kwakhe ijeli (kufanele igcwaliswe phakathi kwemizuzwana engu-3-5; ngaphandle kwalokho, ukumboza kuzogeleza kude nomthungo we-weld), futhi ekugcineni i-polymerization. I-coating kumele ithole ukushisa okwanele okuphelele, okuthinta kakhulu ukushuba nokusebenza kokugqoka kokulungisa. Njengoba kushiwo ngaphambili, ukukhuphuka kwezinga lokushisa ngokushesha ngesikhathi sokubhaka kungaveza kalula amabhamuza, kuyilapho ukunyuka kwezinga lokushisa okuhamba kancane kungase kubangele ukwelapha okwanele ngenxa yokugcinwa kwezinga lokushisa eliphakeme elifushane.
Izingubo ezihlukene zinezikhathi eziphakeme ezihlukene ngesikhathi sokubhaka; i-epoxy phenolic coatings idinga izikhathi ezinde kunezimbozwe ze-organosol, okusho ukuthi zidinga ukushisa okwengeziwe ukuze zibhakwe.
Ezimbotsheni zempushana, izimbotshana ze-thermoplastic zivele zincibilike ukuze zenze ifilimu ngesikhathi sokubhaka ngaphandle kwe-polymerization, kuyilapho okokugcotshwa kwe-thermosetting kwenziwa i-polymerization yokwengeza ngemva kokwenziwa kwe-polymerization yangaphambili nokuncibilika ku-crosslink zibe izinhlanganisela zamangqamuzana aphezulu. Ngakho-ke, ukushisa kokubhaka kuhlobene eduze nokusebenza kwe-coating yokulungisa.
2. Umthelela Wokwelapha Iziqu Ekusebenzeni Kokumboza
Izingubo zokulungisa zingabonisa izici zazo kuphela lapho zibhakwa ngokugcwele futhi selashiwe. Ukubhaka okunganele kuholela kuma-micropores amaningi kanye nokungaqhubeki kahle; isibonelo, izigqoko zempuphu ye-thermoplastic ezingabhakwanga ngokwanele zingashwabana ngesikhathi sokushisa. Ukubhaka ngokweqile kuthinta ukunamathela; ngokwesibonelo, izimbotshana ze-epoxy phenolic ezishibhile ziba brittle futhi zithambekele ekuqhekekeni ngesikhathi sokugoba, ukugoba, kanye nokwenza ubuhlalu. Ukwengeza, ukupholisa okwanele ngemva kokubhaka kubalulekile ekusebenzeni kwe-coating yokulungisa. Isibonelo, uma i-thermoplastic powder coatings ingapholi ngokushesha ekamelweni lokushisa ngemva kokubhaka, i-coating ingase iqhekeke ngenkathi i-flanging. Ukwengeza idivayisi yokupholisa ngemva kwehhavini kungavimbela izinkinga zokuqhekeka ekuhlanganiseni kokulungisa ngesikhathi sokuvutha.
Ngamafuphi, ukuqinisekisa ikhwalithi yokulungisa i-coating-okungukuthi, i-porosity ephansi kanye nokucutshungulwa okuhle-kubalulekile ukulawula ukujiya kanye nezinga lokuphulukisa le-coating.
I-Changtai Intelligent ihlinzeka ngemishini yokuqoqa umzimba eneziqephu ezintathu kanye nemishini yokulungisa i-seam yokulungisa. I-Changtai Intelligent Equipment ingumkhiqizi wemishini ye-can othomathikhi kanye nomthumeli ngaphandle, enikeza zonke izixazululo zokwenza ithini lamathini. Ukuze uthole amanani entengo yemishini yokwenza izingcezu ezintathu, khetha ikhwalithi yokwenza imishini e-Changtai Intelligent.
I-Chengdu Changtai Intelligent Equipment Co., Ltd.- Umkhiqizi wemishini yekani elizenzakalelayo nomthumeli ngaphandle, inikeza zonke izixazululo zokwenziwa kwe-tin. Ukuze wazi izindaba zakamuva zemboni yokupakisha insimbi, Thola ithini elisha elenza umugqa wokukhiqiza, kanyethola amanani mayelana ne-Machine For Can Making,Khetha IkhwalithiUmshini WokwenzaE-Changtai.
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Email:Neo@ctcanmachine.com CEO@ctcanmachine.com
Hlela ukusetha ulayini wokwenza ithini elisha nelingabizi kakhulu?
A: Isizathu sinobuchwepheshe obuphambili bokunikeza imishini engcono kakhulu yekani elimangalisayo.
IMP: Lokho kulula kakhulu kumthengi ukuthi eze efektri yethu ukuze athole imishini ngoba imikhiqizo yethu yonke ayidingi isitifiketi sokuhlolwa kwempahla futhi kuzoba lula ukuthekelisa.
A: Yebo! Singanikezela ngezingxenye zamahhala ezigqokwa ngokushesha unyaka ongu-1, qiniseka nje ukuthi usebenzisa imishini yethu futhi yona iqinile.
Isikhathi sokuthumela: Jul-16-2025