Wahalolin walda tagulla

Tagulla tagullayana da kyakyawar wutar lantarki da wutar lantarki, amma har yanzu akwai matsaloli masu wahala da yawa a cikin tsarin walda.Thermal conductivity na jan jan karfe bel yafi girma fiye da na karfe.Ana iya yin asarar zafin walda, wanda zai iya haifar da damuwa mai yawa na ciki, yana haifar da nakasar walda da sauran matsalolin walda.Don haka, ana buƙatar maida hankali mai zafi yayin walda.Hanyoyin walda sun haɗa da tungsten argon arc waldi da waldawar plasma.Bugu da kari, dace preheating ya kamata a da za'ayi kafin waldi.Kada a yi zafi kaɗan na brazing muddin bai gaza sifili ba.

Ba tare da la'akari da nau'in tsiri na jan karfe ba, tsarin walda zai haifar da farar hayaki, ma'ana duk da cewa zinc ba ƙarfe ba ne mai nauyi, idan wurin waldawar ba ta da kyau sosai, farin hayaki yana iya harzuka tsarin numfashi, musamman ma huhu, ko kuma idan ma'aikacin. ba sa abin rufe fuska, bayan mintuna 30 na aiki, za su faɗi.Jan tef ɗin jan ƙarfe shine kayan walda, kayan yakamata ya zama iri ɗaya da kayan tushe.Don walƙiya na yau da kullun kawai, ana iya amfani da φ2.5-φ4 na yau da kullun tagulla gami da waya.

Matsakaicin yanayin tashin hankali na ruwa na tsiri na jan karfe shine kawai 70% na baƙin ƙarfe.Yana da sauƙi don yin narkakkar tafkin mirgine a cikin tsarin walda, kuma tushen ba zai narke ba.Don magance wannan matsalar, dole ne ku fara da hanyar walda iri ɗaya sannan ku gama.A farkon walda, kusurwar walda (10 ° -30 °) bai dace ba, amma wannan kusurwa kawai zai iya magance matsalar narkewa na tungsten argon arc waldi.

Idan kuna son samun weld mai inganci, kar ku ji tsoron farashi mai tsada, ana ba da shawarar yin amfani da waya mai karewa mai ƙarancin iskar gas, waldawar za ta yi aiki da kyau, amma farashin yana da yawa, kuma walda TIG. ita kanta ba arha ba ce.A takaice, waldawar busbar tagulla yana da zafi mai zafi, ƙaramin kusurwa da babban aikin kariya.