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    • 3. 发明公开
    • APPARATUS AND METHOD OF THERMITE WELDING OF RAILWAY LINES
    • 铁路线热熔焊接装置和方法
    • EP2790868A2
    • 2014-10-22
    • EP12881412.6
    • 2012-12-13
    • Jury, Brent Felix
    • Jury, Brent Felix
    • B23K23/00
    • B23K23/00B23K2201/26E01B29/44E01B29/46
    • This invention relates to a thermite welding process involving vibration and a casting mould for use in the thermite welding of a railway line, the mould including at least two sections to form a rail cavity profile about the area of the end of sections of railway line to be welded or joined, the cavity being of a profile and size of the railway line being welded, and a means to retain the mould together, the mould having at least one riser vent hole on either side of the rail cavity profile, with each said riser vent hole rising from the foot of the profile cavity to an entry trough for receiving casting mix, and wherein a crucible core is adapted to be fitted to the top of the mould above the entry trough so as to allow, in use, casting mix to drop into the mould when the desired temperature has been reached.
    • 本发明涉及一种涉及振动的铝热焊接工艺和一种用于铁路线铝热焊接的铸模,该模具包括至少两个部分以形成围绕铁路线至 被焊接或接合,所述空腔具有被焊接的铁路线的轮廓和尺寸,以及将所述模具保持在一起的装置,所述模具在所述轨道空腔轮廓的任一侧上具有至少一个立管通风孔,每个所述 立管通风孔从型材腔的底部上升到用于接收铸造混合物的入口槽,并且其中坩埚芯适于在入口槽上方装配到模具的顶部,以便允许在使用中铸造混合物 在达到所需温度时落入模具中。