Mukawotchera machubu a aluminiyamu, pamwamba nthawi zonse imakhala yakuda. Kodi nditani

Porosity ndiyofala kwambiri pakuwotcherera kwa aluminiyamu.

Pali kuchuluka kwa ma pores muzinthu zoyambira komanso mu waya wowotcherera, kotero ndikofunikira kupewa ma pores akulu pakuwotcherera kuti zitsimikizire kuti ma pores sapitilira muyezo. Chinyezi chikadutsa 80℅, kuwotcherera kuyenera kuyimitsidwa. Kuthekera kwa ma pores opitilira muyezo ndi 80 ℅, ndipo ndikosavuta kupanga zidutswa zobwezedwa.

Kuwotcherera mu chikhalidwe cha chinyezi chomwe chikuwonetsedwa pachithunzichi ndichothekera kutulutsa dongosolo lobwerera.

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▲Chinyezi▲

Nthawi zina fumbi lakuda limamatira ku weld, ndiyenera kuchita chiyani?

▲Wakuda ndi imvi▲

Kwenikweni, ma elekitirodi a tungsten ali oipitsidwa, kapena amakhudza dziwe losungunuka kapena waya wowotcherera, ndipo aluminiyumu amamatira. Pokhapokha pamene electrode ya tungsten yatsuka tingapitirize.

▲Ma elekitirodi a tungsten oipitsidwa ndi ooneka ngati kolifulawa▲

Panthawiyi, timangofunika kusintha makulidwe a makina otsekemera mpaka pansi, panopa ndi pafupifupi 200, ndipo kuwotcherera kwa arc kumayambika pa chidutswa cha aluminiyamu yowonongeka. M'masekondi ochepa chabe, electrode ya tungsten ipanga mpira wawung'ono. Ngati mukufuna kuwotcherera bwino aluminiyamu, mpira wawung'ono ndi chinthu choyenera kukhala nacho.

▲ Sinthani m'lifupi kuyeretsa kukhala malo otsika kwambiri▲

▲Mpira wawung'ono wamatsenga▲

Poyerekeza kuwotcherera kwa aluminiyamu ndi chitsulo chosapanga dzimbiri, ndimakonda kuwotcherera kwa aluminiyamu. Sizovuta ngati chitsulo chosapanga dzimbiri, chomwe chiyenera kugwedezeka. Kuwotcherera kwa aluminiyamu ndikosavuta, ndipo mfuti yowotcherera kwenikweni simagwedezeka. Chubu cha aluminiyamu chokhala ndi liner ndi chowotcherera, ndipo kuwotcherera sikovuta.
Pokonza panopa pang'onopang'ono, yamakono yabwino kwambiri ndi yomwe imatha kuyendetsa dziwe losungunuka. Magwiridwe a makina onse owotcherera ndi osiyana, apano adzakhala osiyana, ndipo kusinthasintha kwa arc kudzakhalanso kosiyana.