Ndi makina ati owotcherera omwe amagwiritsidwa ntchito powotcherera ma aluminiyamu?

Mukawotcherera zotayira za aluminiyamu, zosankha zoyambirira nthawi zambiri zimaphatikizapo kukonzanso kwachiwiri kwa magawo atatumakina owotcherera malondi makina owotchera malo osungiramo mphamvu. Makinawa amasankhidwa chifukwa ma aloyi a aluminiyamu amakhala ndi ma conductivity apamwamba amagetsi komanso matenthedwe.

Makina owotcherera mawanga a AC nthawi zambiri sagwira ntchito pakuwotchera malo kuti asungunuke kapena pulasitiki kuti apange nugget yowotcherera. Kuphatikiza apo, malo a aluminiyamu amatha kupanga filimu ya oxide. Malo osungunuka a aluminium oxide ndi apamwamba kwambiri (pafupifupi madigiri 2000) poyerekeza ndi malo osungunuka a aluminiyumu a 660 madigiri. Chifukwa chake, kuswa bwino kwa oxide wosanjikiza ndikuwotcha nugget weld kumakhala kofunika kwambiri posankha makina owotcherera a aluminiyamu.

Malinga ndi Joule's Law Q=I²Rt, chifukwa cha kuchuluka kwa magetsi komanso mawonekedwe ofewa a ma aluminiyamu aloyi, makina owotchera mawanga amafunika kukhala ndi zotulutsa zazikulu, kutentha kwambiri, komanso kutsika kochepa. Mosiyana ndi zofewa wamba, kuwotcherera aluminium alloy spot sikungatenge nthawi yayitali koma kumafuna nthawi yayifupi yokhala ndi mphamvu zambiri.

Ndi kukhazikitsidwa kwa makina apakati a frequency inverter DC spot kuwotcherera, mawonekedwe awo akuwongolera kwathunthu komanso kutulutsa mwachindunji kwasintha kwambiri kutentha kwamafuta komanso kulowa mkati pakuwotcherera malo. Izi zikusiyana ndi zofooka za kukonzanso kwa semi-wave mu makina atatu okonzanso achiwiri ndi nthawi yotulutsa makina osungira mphamvu. Popeza mawonekedwe a sing'anga ma frequency inverter DC malo kuwotcherera makina, iwo mwamsanga kukhala kusankha yokondeka kwa kuwotcherera aloyi zotayidwa.

Ndiroleni ndikuuzeni, chifukwa cha mphamvu zake zokhala ndi magawo atatu, kutulutsa kwachindunji, ndi nthawi yowotcherera yowotcherera, makina owotcherera ma frequency inverter DC ndiye chisankho chomwe amakonda pakuwotcherera ma aluminiyamu.

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