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1. 发明专利

DE102008044191A1 未知
公开(公告)号：DE102008044191A1
公开(公告)日：2010-06-02
申请号：DE102008044191
申请日：2008-11-28
申请人： HORIKIRI INC , NHK SPRING CO LTD
发明人： AYADA MICHIHIKO , ONO YOSHIKI , TAKAHASHI FUMIO , EBASHI HIRONORI , KIKUCHI SAKAE
IPC分类号： C21D9/02 , B23P13/00 , F16F1/02

2. 发明专利

JP2009127123A Leaf spring material and manufacturing method thereof 审中-公开
标题翻译：叶片弹簧材料及其制造方法
公开(公告)号：JP2009127123A
公开(公告)日：2009-06-11
申请号：JP2007307312
申请日：2007-11-28
申请人： Horikiri:Kk , Nhk Spring Co Ltd , 日本発條株式会社 , 株式会社ホリキリ
发明人： AYADA TOMOHIKO , ONO YOSHIKI , TAKAHASHI FUMIO , EBASHI HIRONORI , KIKUCHI SAKAE
IPC分类号： C21D9/02 , C21D1/10 , C21D1/18 , F16F1/02
CPC分类号： C21D9/02
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a leaf spring material with which the leaf spring material excellent in mechanical characteristics can stably be obtained by utilizing a high frequency induction-heating.
SOLUTION: The method for manufacturing the leaf spring material is performed while giving the tensile strength along the longitudinal direction on a first surface 11 of a strip-shaped steel sheet 10 and also, giving the compressed stress along the longitudinal direction on a second surface 12, and while the high frequency induction-hardening to the first surface 11 is applied. With this high frequency induction-hardening, the high frequency induction-hardened structure having the higher average hardness than the basic material structure 12a near the second surface and composed of martensite and uniformly and finely dispersed austenite is given on the surface layer 11a near the first surface.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过利用高频感应加热可以稳定地获得机械特性优异的板簧材料的板簧材料的制造方法。解决方案：在带状钢板10的第一表面11上沿着纵向施加拉伸强度，同时沿纵向方向施加压缩应力，同时进行板簧材料的制造方法第二表面12，并且施加到第一表面11的高频感应硬化。通过这种高频感应淬火，在靠近第一表面的表面层11a上提供具有比第二表面附近的基本材料结构12a更高的平均硬度的高频感应硬化结构，由马氏体和均匀且细微的分散的奥氏体组成表面。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2009133335A Leaf spring material and its manufacturing method 审中-公开
标题翻译： LEAF弹簧材料及其制造方法
公开(公告)号：JP2009133335A
公开(公告)日：2009-06-18
申请号：JP2007307653
申请日：2007-11-28
申请人： Horikiri:Kk , Nhk Spring Co Ltd , 日本発條株式会社 , 株式会社ホリキリ
发明人： AYADA TOMOHIKO , ONO YOSHIKI , TAKAHASHI FUMIO , EBASHI HIRONORI , KIKUCHI SAKAE
IPC分类号： F16F1/18 , C21D1/10 , C21D1/18 , C21D7/06 , C21D9/02
CPC分类号： F16F1/18 , C21D1/10 , C21D1/42 , C21D8/0205 , C21D9/02 , Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide a leaf spring material having improved mechanical property by using radio-frequency heating, and to provide its manufacturing method for manufacturing the same in a stable manner. SOLUTION: The leaf spring material is formed of an approximately strip steel plate 10 having a first face 11 and a second face 12. It includes a hardened layer 11a formed near the first face in an induction hardened structure having higher average hardness than a base material structure 12a near the second face 12, and a compression residual stress layer having a thickness near the first face at least not smaller than a thickness d of the hardened layer 11a. This characteristic structure is obtained by stress induction hardening with predetermined tensile stress or more given thereto. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过使用射频加热具有改进的机械性能的板簧材料，并且以稳定的方式提供其制造方法。解决方案：板簧材料由具有第一面11和第二面12的近似条形钢板10形成。它包括在感应淬火结构中靠近第一面形成的硬化层11a，其具有高于在第二面12附近的基底材料结构12a和至少不小于硬化层11a的厚度d的第一面附近的压缩残余应力层。该特征结构通过具有预定拉伸应力的应力感应淬火或更多的应力感应淬火获得。版权所有（C）2009，JPO＆INPIT

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