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    • 5. 发明专利
    • Method for hardening thin steel sheet-formed article
    • 硬化钢板形成方法
    • JP2008045183A
    • 2008-02-28
    • JP2006223653
    • 2006-08-18
    • Dai Ichi High Frequency Co Ltd第一高周波工業株式会社
    • MORISHITA YOSHIYUKISHUKUWA SHINGOKISHIHARA SHIGEKINISHIMOTO YUZOHANEYA KOJITANIGUCHI YASUYUKI
    • C21D1/10C21D9/00C21D9/42H05B6/02H05B6/10
    • Y02P10/253
    • PROBLEM TO BE SOLVED: To provide a technique for highly efficiently hardening a thin steel sheet-formed article utilizing heating with low electric power consumption with the use of a small-scaled high frequency electric source. SOLUTION: A method for hardening the thin steel sheet-formed article is provided for induction-heating a hardening objective region 11 of the thin steel sheet-formed article being a material 10 to be treated then rapidly cooling the hardening objective region 11. The method is characterized in that the plurality of bodies 13, 14 of the materials 10 are mutually coupled (16) with conductive relation (15) such as forming a closed circuit in which the respective hardening objective regions 11 of the bodies 13, 14 are continued as a series-endless state and such that positional relation between the respective bodies are fixed, and the plurality of bodies 13, 14 temporarily assembled in a form of materials 13+14 to be treated, then the high frequency induction current is conducted to an inductor 17 generating magnetic flux in the same direction as the axis of the assembly by disposing the inductor 17 outside the assembly, thereby the induction current circulating the closed circuit is generated in such a state that a coupling coefficient as an index of the coupling degree of the inductor with the materials is increased and the plurality of the hardening objective regions 11, 11 are simultaneously hardened. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种利用小规模高频电源利用低功耗加热来高效率地硬化薄钢板成形物的技术。 解决方案:提供一种用于使薄钢板成型体硬化的方法,用于感应加热被处理材料10的薄钢板成型制品的硬化目标区域11,然后快速冷却硬化目标区域11 该方法的特征在于,材料10的多个主体13,14相互耦合(16)具有导电关系(15),例如形成闭合回路,其中主体13,14的各个硬化目标区域11 作为连续状态继续进行,并且各体之间的位置关系固定,并且以要处理的材料13 + 14的形式临时组装的多个主体13,14进行高频感应电流 通过将电感器17设置在组件外部而产生与组件的轴线相同方向的磁通量的电感器17,从而使闭合回路循环的感应电流为 在使电感器与材料的耦合度的指标的耦合系数增加并且多个硬化目标区域11,11同时硬化的状态下被调节。 版权所有(C)2008,JPO&INPIT