The cold extrusion process and mould design have been introduced of the pressing drill sleeve.
介绍了冲钻套筒的冷挤压工艺、模具设计。
Through proposed equivalent mould cooling method, the temperature evolution of cold feeding ingot and hot feeding ingot process were simulated and investigated, separately.
采取等效模冷法，分别模拟了冷送和热送过程钢锭表面和心部温度场的演化。
Through proposed equivalent mould cooling method, the temperature evolution of cold feeding ingot and hot feeding ingot process were simulated and investigated, separately.
采取等效模冷法，分别模拟了冷送和热送过程钢锭表面和心部温度场的演化。
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