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Yadda za a weld galvanized karfe?
2024-12-16
Menene galvanized karfe?
Galvanizing wani magani ne na hana lalata wanda ke rufe ƙarfe tare da Layer na ƙarfe na zinc don kare shi daga lalata. Zinc yana da matukar juriya ga lalata kuma yana amsawa da karfe don samar da Layer na kariya, wanda aka sani da zinc-iron alloy Layer, wanda ke kare karfe daga lalacewar iskar oxygen. A dalilin haka,galvanized karfeana amfani da shi sosai wajen gine-gine, motoci, gadoji da sauran fagage.
Common galvanized karfe takardar waldi hanyoyin
1. Gas walda
Walda iskar gas hanya ce ta narkar da zanen ƙarfe na galvanized ta hanyar amfani da yawan zafin da ake samu ta hanyar konewar iskar gas ba tare da tushen wutar lantarki daga waje ba, da kuma walda su ta amfani da kayan walda. Wannan hanya ita ce yafi dacewa da kauri GI karfe zanen gado.
2. Arc walda
Waldawar Arc wata hanya ce ta narkewar zanen karfe ta amfani da dumama baka na lantarki sannan a yi musu walda ta amfani da kayan walda. Wannan hanya tana buƙatar goge wani yanki na galvanized Layer kafin walda.
3. Ruwan walda na baka
Waldawar baka mai nutsewa wani nau'in walda mai garkuwar iskar gas. Yana amfani da sirdi na lantarki na ƙarfe na ƙarfe da matsi wanda aka matse shi sosai a bangarorin biyu na haɗin bututu don rufe baka a cikin walda. Wannan hanya zai iya mafi kyau kare galvanized Layer fiye da baka waldi.
Dalilan dalilin da yasa galvanized Layer ke da sauƙin lalacewa yayin walda
Lokacin walda galvanized karfe zanen gado, da galvanized Layer yana da sauƙi lalacewa saboda dalilai kamar high zafin jiki da hadawan abu da iskar shaka dauki a lokacin walda tsari.
Bugu da kari, a high zafi shigar waldi tafiyar matakai kamar submerged baka waldi da baka waldi, da saura zinc ruwa yana da sauƙi overheated a lokacin dumama aiwatar da karfe farantin, haddasa daban-daban digiri na baki spots, fari spots da zinc ƙone lalacewa.
Dabarun walda don hana lalacewa ga galvanized Layer
1. Preheating
Preheating na iya sanya zinc-aluminum gami da murfin zinc a saman farantin karfe yana watsawa ƙasa, samar da wani barga fili tare da substrate, da kuma hana lalacewar tutiya ta hanyar walda zafi.
2. Zabi daidai waldi halin yanzu da ƙarfin lantarki
Madaidaicin halin yanzu da ƙarfin lantarki na iya sarrafa zafin walda yadda ya kamata kuma ya hana Layer galvanized daga lalacewa. A lokaci guda, ana buƙatar zaɓin igiyoyin walda daban-daban da ƙarfin lantarki don faranti na galvanized na kauri daban-daban da ƙayyadaddun bayanai.
3. Yi amfani da kayan walda na musamman
A halin yanzu, akwai wasu kayan walda waɗanda aka kera musamman don yin walda ta farantin karfe a kasuwa, waɗanda za su iya inganta ingancin walda da inganci sosai tare da guje wa lalacewar ɗigon galvanized.
4. Zaɓi tsarin walda da ya dace
Domin galvanized karfe faranti na daban-daban bayani dalla-dalla da kayan, ya kamata a zabi dace waldi matakai, kamar MIG waldi, TIG waldi, cladding waldi, da dai sauransu.
5. Ƙarfafa ingantaccen kulawa
Abubuwan da ba a saba gani ba a cikin aikin walda, kamar su zinc kona, tabo baƙar fata, farar tabo, da sauransu, yakamata a sarrafa kuma a daidaita su cikin lokaci don tabbatar da ingancin walda.
Kammalawa
A taƙaice, don maganin walda na galvanized karfe zanen gado, zabar dace waldi hanyoyin da ƙware da basira don hana galvanized Layer daga lalacewa zai iya inganta waldi ingancin da kuma yadda ya dace, kuma a lokaci guda mika rayuwar sabis na galvanized karfe zanen gado. .
A cikin ainihin aiki, ya kamata a biya hankali ga batutuwa kamar zaɓin kayan abu, sarrafa zafin jiki, da ƙarfafa ingantaccen kulawa don tabbatar da tasirin walda da aminci.