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1. 发明专利

JP2002356713A INDUCTION HARDENING METHOD, AND APPARATUS 失效
公开(公告)号：JP2002356713A
公开(公告)日：2002-12-13
申请号：JP2001161822
申请日：2001-05-30
申请人： AISIN AW CO , AISIN AW IND CO LTD , DENKI KOGYO CO LTD
发明人： OBAYASHI KOJI , MIZUNO TOSHIYUKI , WAKASUGI TAKANORI , OKUBO FUMITOSHI , KATANUMA HIDEAKI , KITO KIYOAKI
IPC分类号： H05B6/38 , C21D1/10 , C21D6/00 , H05B6/40
摘要： PROBLEM TO BE SOLVED: To provide an induction hardening method in which the sufficient surface hardness of the surface to be treated of parts is obtained and the distor tion of the induction-hardened parts is reduced and an induction hardening apparatus. SOLUTION: The parts (for example, a transmission parts 1) is immersed in the quenching solution 11, and a coil head part 13a of an induction heating coil 13 is immersed in the quenching solution 11. The coil head part 13a is disposed close to the surface to be treated (for example, an inside diameter part of a small hole 5) of the parts 1, and the high frequency power of the frequency in the super-high frequency band is supplied to the induction heating coil for a short time to perform the induction heating of the surface, and at the same time, hardened and quenched with the quenching solution 11.

2. 发明专利

JP2002356712A INDUCTION HEATING METHOD, AND APPARATUS 失效
公开(公告)号：JP2002356712A
公开(公告)日：2002-12-13
申请号：JP2001161821
申请日：2001-05-30
申请人： DENKI KOGYO CO LTD , AISIN AW CO , AISIN AW IND CO LTD
发明人： KATANUMA HIDEAKI , KITO KIYOAKI , AWATA YOHEI , OBAYASHI KOJI , MIZUNO TOSHIYUKI , WAKASUGI TAKANORI , OKUBO FUMITOSHI
IPC分类号： H05B6/42 , C21D1/10
摘要： PROBLEM TO BE SOLVED: To provide an induction heating method in which an induction heating are performed without causing overheat or melting on a surface of parts, and steel with excellent hardening quality and less in distortion is obtained, and an induction heating apparatus. SOLUTION: The parts 1 to be hardened is immersed in a first quenching solution 11, a coil head part 13a of an induction heating coil 13 is immersed in the first quenching solution 11. The coil head part 13a is disposed closed to the surface to be treated of the parts 1 (for example, an inner circumferential surface of a small hole 5), the high frequency power of the frequency in the super-high frequency band is supplied to the induction heating coil for a short time, the surface to be treated is induction-heated while flowing a second quenching solution (for example, coil quenching solution) to the surface to be treated, and at the same time, the surface is hardened and quenched with the first quenching solution 11 and the second quenching solution.

3. 发明专利

JP2009287060A Coil for induction hardening and tempering concave part with multiple faces, and induction hardening and tempering apparatus using the coil for induction hardening and tempering 有权
标题翻译：用于感应硬化和温度卷绕的线圈，具有多个面，以及使用线圈进行感应硬化和温度的感应硬化和温度测量装置
公开(公告)号：JP2009287060A
公开(公告)日：2009-12-10
申请号：JP2008139176
申请日：2008-05-28
申请人： Denki Kogyo Co Ltd , 電気興業株式会社
发明人： SASAKI HIROSHI , KATANUMA HIDEAKI , YAMAMURO KEN
IPC分类号： C21D1/10 , C21D1/18 , C21D9/00 , H05B6/10 , H05B6/36
CPC分类号： Y02P10/253
摘要： PROBLEM TO BE SOLVED: To improve the productivity, save a space of a facility, reduce a cost and further improve heat treatment quality, when hardening and tempering a concave part with multiple faces. SOLUTION: A coil 1 for induction hardening and tempering the concave part with multiple faces includes: a pair of power-feeding conductive parts 12 and 13; first and second heating conductive parts 14 and 15 which are respectively connected to the pair of power-feeding conductive parts 12 and 13, and extend in parallel so as to face to each other; first and second connected conductive parts 16 and 17 which are respectively connected to the first and second heating conductive parts 14 and 15; third and fourth heating conductive parts 18 and 19 which are respectively connected to the first and second connected conductive parts 16 and 17, and extend in parallel so as to face to each other; and a third connecting conductive part 20 which connects the third and fourth heating conductive parts 18 and 19 with each other. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提高生产效率，节省设备的空间，降低成本并进一步提高热处理质量，当用多个面进行硬化和回火时，解决方案：用于对具有多个面的凹部进行感应淬火和回火的线圈1包括：一对供电导电部件12和13; 第一和第二加热导电部分14和15，其分别连接到一对供电导电部分12和13，并且彼此平行地延伸; 第一和第二连接的导电部分16和17分别连接到第一和第二加热导电部分14和15; 第三和第四加热导电部分18和19，它们分别连接到第一和第二连接的导电部分16和17，并且平行地延伸以彼此面对; 以及将第三和第四加热导电部件18和19彼此连接的第三连接导电部件20。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2005082866A Apparatus for high-frequency induction-heating cam shaft 有权
标题翻译：高频感应加热凸轮轴装置
公开(公告)号：JP2005082866A
公开(公告)日：2005-03-31
申请号：JP2003317766
申请日：2003-09-10
申请人： Denki Kogyo Co Ltd , 電気興業株式会社
发明人： SASAKI HIROSHI , KATANUMA HIDEAKI
IPC分类号： H05B6/10 , C21D1/10 , C21D9/30 , H05B6/36
CPC分类号： Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide an apparatus for high-frequency induction-heating a cam shaft, which reduces its own price and shortens a period of time necessary for high-frequency induction heating. SOLUTION: This induction heating apparatus has a high-frequency induction heating coil 11 having a structure which connects first to fifth heating conductor portions 14a, 14b, 15a, 15b and 16 in series and has a whole cross section formed into not a circular shape but a rectangular shape (specifically a square or a rectangle). The induction heating method comprises employing the above apparatus, placing the cam shaft 1 to be high-frequency induction-heated so that the shaft line α coincides with the shaft line γ of the high-frequency induction heating coil 11; and sequentially high-frequency induction-heating the all portions of a plurality of the cam portions 3 and a plurality of journal portions 2 in the cam shaft 1, with one high-frequency induction heating coil 11 while rotating the cam shaft 1 around the shaft line α(γ). COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于高频感应加热凸轮轴的装置，其降低了其自身价格并缩短了高频感应加热所需的时间。解决方案：该感应加热装置具有高频感应加热线圈11，其具有串联连接第一至第五加热导体部分14a，14b，15a，15b和16的结构，并且整个横截面形成为不是圆形但矩形（特别是正方形或矩形）。感应加热方法包括采用上述装置，将凸轮轴1放置为高频感应加热，使得轴线α与高频感应加热线圈11的轴线γ一致; 并且通过一个高频感应加热线圈11使凸轮轴1绕轴旋转而对凸轮轴1中的多个凸轮部分3和多个轴颈部分2的所有部分进行顺序的高频感应加热线α（γ）。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2004238724A High-frequency induction heating coil for crankshaft 审中-公开
公开(公告)号：JP2004238724A
公开(公告)日：2004-08-26
申请号：JP2003032020
申请日：2003-02-10
申请人： Denki Kogyo Co Ltd , 電気興業株式会社
发明人： SAWATSUBASHI SEIICHI , KATANUMA HIDEAKI
IPC分类号： H05B6/38 , C21D1/10 , C21D9/30
CPC分类号： Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide a high-frequency induction heating coil which is used for heating a crankshaft, does not extremely lower the heating efficiency in quenching the pin sections or the journal sections of a crankshaft having a narrow thrust width, and can form a quench hardened layer pattern with a straight shape without causing the central part to be deep. SOLUTION: The induction heating coil has the following sections: a first lead section 40 and a second lead section 41 both connected to a high-frequency electric source 34; a first heating conductor section 42 and a second heating conductor section 43 each in a straight linear shape and connected to the first lead section 40; a third heating conductor section 44 and a fourth heating conductor section 45 each in a straight linear shape and connected to the second lead section 41; a fifth heating conductor section 46 in a circular arc shape and connecting the first heating conductor section 42 with the third heating conductor section 44; and a sixth heating conductor section 47 in a circular arc shape and connecting the second heating conductor section 43 with the fourth heating conductor section 45. The direction of electric current flowing through the fifth heating conductor section 46 and that of electric current flowing through the sixth heating conductor section 47 are the same. COPYRIGHT: (C)2004,JPO&NCIPI

6. 发明专利

JP2003231923A METHOD FOR CONTROLLING QUENCHED QUALITY 审中-公开
公开(公告)号：JP2003231923A
公开(公告)日：2003-08-19
申请号：JP2002034924
申请日：2002-02-13
申请人： DENKI KOGYO CO LTD
发明人： KATANUMA HIDEAKI , KITO KIYOAKI , AWATA YOHEI
IPC分类号： H05B6/10 , C21D1/10 , C21D11/00
摘要： PROBLEM TO BE SOLVED: To provide a method for controlling a quenched quality, which can adequately control the quenched quality through judging whether a quenched product is a defective or a nondefective, namely through strictly judging the quenched quality. SOLUTION: This control method comprises performing an examination quenching for previously investigating the relations between the quenched quality, output voltage, an output current or an output power from a high-frequency power source 11 for supplying an electric power to a high-frequency induction heating coil 1, and a heating period; setting an acceptable range (a monitoring range) W of a changing pattern of an output waveform S necessary for controlling the quenched quality of a quenching object (for instance, transmission parts) within a standard limit, over a heating period including a starting period T 1 and a saturated period T 2 of the output waveform S, on the base of the time-varying pattern of the output waveform S provided by the above examination quenching; and judging whether the changing pattern of the output waveform S in the full quenching after the examination quenching is controlled within the acceptable range, to thereby control the quenched quality of the quenching object. COPYRIGHT: (C)2003,JPO

7. 发明专利

JP2002241840A HIGH FREQUENCY INDUCTION HARDENING METHOD AND ITS APPARATUS 失效
公开(公告)号：JP2002241840A
公开(公告)日：2002-08-28
申请号：JP2001041088
申请日：2001-02-19
申请人： DENKI KOGYO CO LTD
发明人： KATANUMA HIDEAKI , YOKOO TOSHIHIRO
IPC分类号： H05B6/38 , C21D1/10 , C21D1/667 , C21D9/30 , H05B6/40 , H05B6/44
摘要： PROBLEM TO BE SOLVED: To suppress the facility cost and to reduce the number of hardening processes by simultaneously applying high frequency induction hardening to portions at a plurality of positions of a work having different shapes. SOLUTION: When the high frequency induction hardening is simultaneously applied to the portions (journal parts 2J, 4J) at a plurality of positions of a work 100 having different shapes with a single set of generator 6, the high frequency induction heating is first applied to the position 4J having a large heating capacity, and after the lapse of a prescribed time, this heating is stopped for a short period of time. Subsequently, the portion 2J having a small heating capacity and the portion 4J having a large heating capacity are simultaneously heated, and after the lapse of a prescribed time, the simultaneous heating is stopped. Thereafter, the portions 2J, 4J of the work 100 having different heating capacities are simultaneously hardened by simultaneously cooling the heated portions 2J, 4J.

8. 发明专利

JP2002097522A METHOD FOR INDUCTION HARDENING OF CAM SHAFT WITH LOW STRAIN BY HIGH FREQUENCY AND ITS APPARARUS 失效
公开(公告)号：JP2002097522A
公开(公告)日：2002-04-02
申请号：JP2000288248
申请日：2000-09-22
申请人： DENKI KOGYO CO LTD
发明人： KATANUMA HIDEAKI , KAWAHARA MASAJI , MIYASHITA KOICHI
IPC分类号： F01L1/04 , C21D1/10 , C21D1/667 , C21D9/30 , F16H53/02 , H05B6/10 , H05B6/44
摘要： PROBLEM TO BE SOLVED: To provide a method for hardening a cam shaft, capable of suppressing, a bending after hardening the cam shaft, and also arranging the depth of a hardening layer of a cam part in an each block. SOLUTION: The method for induction hardening is carried out by induction hardening a cam shaft 1 wherein a cam block having a plural number of cam parts is composed of a plural number of cam blocks 11 having a journal part within those cam blocks. In this induction hardening, the following processes are in turn carried out, which are composed of a) a transporting process to arrange the cam shaft 1 by penetrating into a coil ring of an annular heating coil 21a, b) a rotate-driving process to rotate the cam shaft 1 at a constant rotating velocity, c) a heating process to induction-heat the whole cam part at the same time a high frequency current is drew through the annular heating coil 21a, d) an air-cooling process to air-cool the cam shaft heated after the heating process, e) a cool-hardening process to cool-harden the whole cam part at the same time after air-cooling, and f) a carrying out process to carry the cam shaft 1 hardening-treated out.

9. 发明专利

JP2008063627A High-frequency induction tempering method for crank shaft and high-frequency induction heating coil body used for the high-frequency induction tempering method 有权
标题翻译：用于高频感应温度方法的用于起重机和高频感应加热线圈体的高频感应温度方法
公开(公告)号：JP2008063627A
公开(公告)日：2008-03-21
申请号：JP2006244001
申请日：2006-09-08
申请人： Denki Kogyo Co Ltd , 電気興業株式会社
发明人： SASAKI HIROSHI , KATANUMA HIDEAKI
IPC分类号： C21D9/30 , C21D1/10 , C21D1/18 , C21D1/42 , H05B6/10 , H05B6/36
CPC分类号： Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide a high-frequency induction tempering method for crank shaft by which tempering to a fillet R part in the crank shaft can sufficiently be performed and which can be applied to a large-scaled crank shaft, has easiness for handling and can be implemented inexpensively, and to provide a high-frequency induction heating coil body used for the high-frequency induction tempering method. SOLUTION: The high-frequency induction tempering method for the crank shaft 1 comprises applying the high-frequency induction hardening to the fillet R part 8 in journal part 2 and pin part 4 as the main constitutional part of the crank shaft 1, wherein the journal part 2 and the pin part 4 adjacent to and continuous with the journal part 2 in the crank shaft 1, are heated for tempering with the high-frequency induction heating coil body 10 and the crank shaft is shifted in its axial direction, and the next journal part 2 and the pin part 4 adjacent to and continuous with the journal part 2 is heated for tempering in series. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供用于曲轴的高频感应回火方法，通过该曲轴可以充分地执行曲轴中的圆角R部分的回火并且可以应用于大型曲轴，具有并且可以廉价地实现，并且提供用于高频感应回火方法的高频感应加热线圈体。解决方案：曲轴1的高频感应回火方法包括将高频感应淬火施加到轴颈部分2中的圆角R部分8和作为曲轴1的主要构成部分的销部分4，其中与曲轴1中的轴颈部分2相邻并连续的轴颈部分2和销部分4被加热以与高频感应加热线圈体10回火并且曲轴沿其轴向移动，并且下一个轴颈部件2和与轴颈部件2相邻并连续的销部件4被加热以串联回火。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2007162104A High-frequency induction-heating coil 审中-公开
标题翻译：高频感应加热线圈
公开(公告)号：JP2007162104A
公开(公告)日：2007-06-28
申请号：JP2005362580
申请日：2005-12-16
申请人： Denki Kogyo Co Ltd , 電気興業株式会社
发明人： SASAKI HIROSHI , KATANUMA HIDEAKI , TANAKA HIROSHI , MIYASHITA KOICHI
IPC分类号： C21D1/10 , C21D9/28 , H05B6/36
CPC分类号： Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide a high-frequency induction-heating coil with which in spite of comparatively simple structure and a low cost, the whole surface of a workpiece (shaft-like stepped member) having a large diameter shaft part, a corner rounding part and a small diameter shaft part can sufficiently be heated with the high-frequency induction and also, the improvement of efficiency in the high-frequency induction-heating can be obtained. SOLUTION: The high-frequency induction-heating coil is provided with; a first ringed coil part 21 constituted so as to surround the large diameter shaft part 2 and the corner rounding part 3; a second ringed coil part 23 constituted so as to surround the end part 22 at the other end side of the small diameter shaft part 4; and a spiraled coil part 24 connected between the first ringed coil part 21 and the second ringed coil part 23 and constituted so as to surround the small diameter shaft part 4. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种尽管结构相对简单且成本低的高频感应加热线圈，具有大直径轴部的工件（轴状台阶部件）的整个表面通过高频感应能够充分地加热角部圆角部和小直径轴部，能够提高高频感应加热的效率。
解决方案：提供高频感应加热线圈; 构成为围绕大径轴部2和角圆部3的第一环状线圈部21; 在小直径轴部4的另一端侧包围端部22的第二环状线圈部23; 以及连接在第一环状线圈部21和第二环状线圈部23之间并构成为包围小直径轴部4的螺旋状线圈部24.版权所有（C）2007，JPO＆INPIT

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