nufa

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 yawan damuwa 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.

Ko da wane nau'in tsiri na tagulla, aikin walda zai haifar da farar hayaƙi, ma'ana duk da cewa zinc ba ƙarfe ne mai nauyi ba, idan wurin walda ɗin ba shi da kyau sosai, farar hayaƙi na iya harzuka tsarin numfashi, musamman ma huhu, ko kuma idan ma'aikaci ba ya sanye da abin rufe fuska, bayan minti 30 na aiki, za su faɗi.Red jan tef shine kayan walda, kayan ya kamata 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 waldar TIG kanta ba ta da arha.A takaice, waldawar busbar tagulla yana da zafi mai zafi, ƙaramin kusurwa da babban aikin kariya.


Lokacin aikawa: Satumba-08-2022