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    • 3. 发明授权
    • Process and device for hardening a rail
    • 硬化轨道的工艺和装置
    • US06432230B1
    • 2002-08-13
    • US09665121
    • 2000-09-20
    • Norbert KöckPeter Pointner
    • Norbert KöckPeter Pointner
    • C21D904
    • C21D9/06C21D1/02C21D2221/02
    • Process and device for hardening a rail. The process for hardening a rail or part thereof by transforming it from an austenitic structure into a different microstructure that is stable at room temperature comprises aligning, horizontally positioning, and fixing in axial alignment to secure against bending, the rail in its austenitic state; and while keeping the rail fixed in axial alignment and secured against bending, force-cooling the rail or part thereof to allow the austenitic structure to be transformed into said different microstructure. The device for hardening a rail or part thereof by force-cooling comprises a support for supporting the rail; a cooling device for force-cooling the rail or part thereof; and at least two fixing devices for axially aligning and securing the rail against bending during the force-cooling.
    • 硬化轨道的工艺和装置 轨道或其部分的硬化过程通过将其从奥氏体结构转变成在室温下稳定的不同微观结构来包括对准,水平定位和固定轴向对准以确保轨道处于其奥氏体状态的弯曲; 同时保持轨道固定在轴向对准并且防止弯曲,强制冷却轨道或其部分,以允许奥氏体结构转变成所述不同的微结构。 用于通过强制冷却来硬化轨道或其一部分的装置包括用于支撑轨道的支撑件; 用于强制冷却轨道或其一部分的冷却装置; 以及至少两个固定装置,用于在强制冷却期间轴向对准和固定导轨以抵抗弯曲。