Analysis na surface jiyya tsari na galvanized karfe grating kafin zanen

Analysis na surface jiyya tsari na galvanized karfe grating kafin zanen

Hot-tsoma galvanizing (zafi tsoma galvanizing ga takaice) a kan saman karfe grating ne na kowa da kuma tasiri surface kariya fasahar don sarrafa muhalli lalata na karfe sassa. A cikin yanayin yanayin gaba ɗaya, murfin galvanizing mai zafi da aka samu ta wannan fasaha na iya kare sassan ƙarfe daga tsatsa na shekaru da yawa ko fiye da shekaru 10. Don sassan da ba tare da buƙatun anti-lalata na musamman ba, babu buƙatar maganin hana lalata na biyu (fesa ko zanen). Duk da haka, domin ya ceci da aiki halin kaka na kayan aiki da kuma wurare, rage tabbatarwa, da kuma kara mika rayuwar sabis na karfe grating a cikin matsananci yanayi, shi ne sau da yawa wajibi ne don yin na biyu kariya a kan zafi-tsoma galvanized karfe grating, wato, shafi rani Organic shafi a kan zafi-tsoma galvanized surface don samar da wani biyu-Layer anti-lalata tsarin.
Yawancin lokaci, karfe gratings ne kullum passivated online nan da nan bayan zafi-tsoma galvanizing. A lokacin wucewa tsari, wani hadawan abu da iskar shaka dauki faruwa a kan surface na zafi-tsoma galvanizing shafi da ke dubawa na passivation bayani, forming wani m da kuma da tabbaci riko passivation fim a saman da zafi-tsoma galvanizing Layer, wanda taka rawa wajen inganta lalata juriya na tutiya Layer. Duk da haka, ga karfe gratings cewa bukatar da za a mai rufi da wani rani primer don samar da wani biyu-Layer anti-lalata tsarin don kariya, da m, santsi, kuma m karfe passivation fim da wuya a bond tam tare da m rani firamare, sakamakon da wanda bai kai ba bubbling da zubar da Organic shafi a lokacin sabis, shafi ta m sakamako.
Don ƙara haɓaka ɗorewa na grating na ƙarfe da aka yi da galvanizing mai zafi, yana yiwuwa gabaɗaya a sanya suturar halitta mai dacewa a samanta don samar da tsarin kariya mai haɗaka don kariya. Ganin cewa saman ɗigon zafi-tsoma galvanized Layer na karfe grating ne lebur, santsi, kuma kararrawa-dimbin yawa, da bonding ƙarfi tsakaninsa da na gaba shafi tsarin bai isa ba, wanda zai iya sauƙi kai ga kumfa, zubar, da kuma wanda bai kai ga gazawar da shafi. Ta hanyar zabar madaidaicin madaidaicin ko tsarin da ya dace, ana iya inganta ƙarfin haɗin gwiwa tsakanin suturar zinc / firamare mai mahimmanci, kuma za a iya yin amfani da tasirin kariya na dogon lokaci na tsarin kariya mai hade.
Makullin fasaha wanda ke shafar tasirin kariya na zafi-tsoma galvanized karfe grating surface kariya tsarin shi ne kuma saman jiyya kafin shafi. Sandblasting yana daya daga cikin hanyoyin da aka fi amfani da su kuma amintaccen hanyoyin jiyya na karfe don shafan karfe, amma saboda zafin tsoma galvanized surface yana da ɗan laushi, matsananciyar sandblasting matsa lamba da girman yashi na iya haifar da asarar galvanized Layer na grating karfe. By iko da SPRAY matsa lamba da kuma yashi barbashi size, matsakaici sandblasting a saman zafi-tsoma galvanized karfe grating ne mai tasiri surface jiyya hanya, wanda yana da wani m sakamako a kan nuni na farko, da bonding ƙarfi tsakaninsa da zafi-tsoma galvanized Layer ne mafi girma fiye da 5MPa.
Amfani da cyclic hydrogen primer dauke da zinc phosphate, adhesion tsakanin tutiya shafi/organic primer ne m mafi girma fiye da 5MPa ba tare da sandblasting. Don yanayin zafi-tsoma galvanized karfe grating, lokacin da bai dace da yin amfani da sandblasting surface jiyya, lokacin da ƙarin kwayoyin shafi aka yi la'akari daga baya, wani phosphate-dauke da primer za a iya zaba, saboda phosphate a cikin firamare taimaka wajen inganta mannewa na fenti fim da kuma inganta anti-lalata sakamako.
Kafin a yi amfani da na'ura mai mahimmanci a cikin ginin rufi, zafi-tsoma galvanized Layer na karfe grating ne passivated ko ba passivated. Pretreatment ba shi da wani gagarumin tasiri a kan inganta mannewa, da kuma barasa shafan ba shi da wani tabbataccen sakamako inganta a kan bonding ƙarfi tsakanin zinc shafi / firamare.