Al'amarin Asarar Welding Na Aluminum Shell Mutu Simintin Samfura

A cikin 'yan shekarun nan, tare da bunƙasa masana'antar kera motoci ta ƙasata, buƙatar aluminum-magnesium alloy die-casting don motoci ya karu a hankali. Saboda haka, la'akari da babban sikelin, low-cost, da ingantaccen samar da gami mutu-simintin gyare-gyaren, yayin da rage lokacin kiyayewa na mold, ci gaba da gabatarwar sabon zafi a matsayin mold abu, da ingantawa da tsarin da kuma yi na mold. da mold abu ta hanyar zafi magani, da kuma tsawo na rayuwar mold ta hanyar surface jiyya sun riga sun yadu Kayan yana cikin mutu Fitar tsari.

Lokacin cika rami gabaɗaya 0.1s ko ƙasa da haka, kuma saurin gami da ke wucewa ta ƙofar yana kusan 40-60m/s, wasu ma sun kai 200m/s. Ƙarfin matsi yayin ƙarfafa ƙarfe yawanci kusan 40 zuwa 120 MPa. Lokacin da aluminum gami harsashi ne mutu-siminti, da aiki surface zafin jiki na mutu-simintin gyare-gyare zai kullum tashi zuwa 500 ~ 600. Lokacin kera ƙananan sassan harsashi na aluminium alloy, lokacin zagayowar mutuwar-simintin-ƙarfafa shine kusan 3 ~ 6s, kuma manyan sassan harsashi na aluminium suma suna ƙarƙashin 90s.

A farkon kowane sake zagayowar mutuwar-simintin gyare-gyaren, dole ne a yi zafi da sauri da sauri ta hanyar zafi mai zafi, kuma ana haifar da damuwa mai zafi a saman aiki; bayan an mutu-simintin gyare-gyare, ana fesa mai a cikin injin don kashewa, don haka ana haifar da damuwa a saman. Ƙarƙashin aikin wannan matsananciyar zafin zafi, ana haifar da ƙananan ƙwayoyin cuta na thermal gajiya a saman mold. Tare da karuwar adadin zagayowar simintin simintin gyare-gyare, ƙananan ƙwayoyin cuta suna haɓaka da sauri, kuma wasu sassa na tsakiya suna faɗaɗa don samar da fasa. Tsaftacewa da lalata ramin ƙirƙira ta gwal ɗin da aka haɗa a lokaci guda a kusa da tsagewar zai ƙara lalata saman ƙirar, kuma a ƙarshe ya haifar da tsagewar farko da tarkace na ƙirar.

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