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    • 10. 发明申请
    • HOT FORMING PROCESS
    • 热成型工艺
    • WO1994023890A1
    • 1994-10-27
    • PCT/US1994004263
    • 1994-04-20
    • CHROMALLOY GAS TURBINE CORPORATION
    • CHROMALLOY GAS TURBINE CORPORATIONTEETS, J., MichaelBURNHAM, Douglas, R.
    • B23P15/00
    • B21D53/78B21K3/04B23P15/04F01D5/288F04D29/324F05D2240/303Y10T29/49336Y10T29/49341
    • A process is provided for forming a metallic edge (1) having a three dimensional internal configuration by preparing a metallic edge blank having a two dimensional internal configuration; attaching a flange (7) to the sides (3) of the blank; preheating the blank, forming mandrel (a) and receiver dies (11) to a temperature at which the metal is in a malleable state, with the forming mandrel (a) having an external surface which corresponds to the three dimensional internal configuration of the formed metallic edge; and hot forming the metallic edge (1) by securing the blank within the receiver dies (11) and advancing the mandrel into the inner cavity of the blank through use of a drive means which rotates the mandrel as it advances into the blank while maintaining the blank, mandrel (9) and receiver dies (11) at the malleable temperature.
    • 提供一种通过制备具有二维内部构造的金属边缘坯料来形成具有三维内部构造的金属边缘(1)的工艺; 将凸缘(7)附接到坯料的侧面(3); 预热坯料,将芯棒(a)和接收器模具(11)成形到金属处于可延展状态的温度,成型心轴(a)具有对应于所形成的三维内部构造的外表面 金属边缘 以及通过将所述坯件固定在所述接收器模具(11)内并使所述心轴进入所述坯料的内腔中而使所述金属边缘(1)热成型,所述驱动装置使得所述心轴在进入所述坯料时旋转,同时保持所述 空白,心轴(9)和接收器模具(11)。