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1.发明公开COUPLING STRUCTURE, COUPLING MEMBER HAVING COUPLING STRUCTURE, AND METHOD FOR PRODUCING COUPLING MEMBER HAVING COUPLING STRUCTURE 审中-公开耦合结构和电源单元，用于产生连接元件的结构和动力组合结构和方法
公开(公告)号：EP2860050A1
公开(公告)日：2015-04-15
申请号：EP13800578.0
申请日：2013-06-07
CPC分类号： B60G7/001 , B21D22/025 , B21D41/026 , B21D53/84 , B60G2206/012 , B60G2206/11 , B60G2206/72 , B60G2206/8103 , B60G2206/8104 , B60G2206/811 , Y10T29/49622
摘要： A coupling structure includes a hollow rod section formed of a metal pipe and fastening sections formed by plastic deformation of the metal pipe so as to be connected with end sections of the hollow rod section. The fastening section includes a pair of base end sections which are each connected with a peripheral wall section forming a closed cross-section at the end section of the hollow rod section, and are separated from each other, and a bottom wall including a flat surface connected with the pair of the base end sections, and a pair of front end sections including a pair of side walls curving inwards from at least widthwise end sections of the bottom wall on a base end section side.
摘要翻译： 的连接结构包括形成由金属管以与中空杆部的端部被连接的塑性变形而形成的金属管和紧固部分的中空杆部。 所述紧固部包括：一对基端部，它们分别与外周壁部形成在所述中空杆部的端部的闭合截面连接，并且从彼此分开的，和底壁包括一平坦的表面 与所述一对基端部的，以及一对前端部包括一对侧壁从至少宽度方向上的基端部侧的底壁的端部向内弯曲的的连接。
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2.发明公开LINE DISPLACEMENT EVALUATION METHOD, LINE DISPLACEMENT EVALUATION DEVICE, PROGRAM, AND RECORDING MEDIUM 审中-公开评估LINE换档装置的程序评估线路SHIFT，程序和记录介质
公开(公告)号：EP3179207A1
公开(公告)日：2017-06-14
申请号：EP15829773.9
申请日：2015-08-06
发明人： SAITO Masahiro , YOSHIDA Tohru
摘要： Provided is a line displacement evaluation method of evaluating line displacement occurring in a press-formed article in press forming of forming a character line. This method includes acquiring a cross section profile of the press-formed article measured so as to traverse the character line formed in the press-formed article; calculating a 4th order differential coefficient of the acquired cross section profile; and evaluating the line displacement, on the basis of the calculated 4th order differential coefficient of the cross section profile.
摘要翻译： 本发明提供一种评价线位移在冲压成形形成字符线的压制成形件发生的的线位移的评价方法。 该方法包括：获取测量以便遍历压制成形件中形成的字符线的压制成形件的横截面轮廓; 计算所获取的横截面轮廓的第四阶导数; 与评价的线位移，所述横截面轮廓的所计算第四阶微分系数的基础上。
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公开(公告)号：EP2860050B1
公开(公告)日：2019-01-16
申请号：EP13800578.0
申请日：2013-06-07
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公开(公告)号：EP2878392B1
公开(公告)日：2017-06-07
申请号：EP12890327.5
申请日：2012-12-19
发明人： YOSHIDA Tohru
摘要： A press-forming tool comprising: a punch including a punch portion and a plate portion transferring shape to a blank material; a die paired with the punch and opposes the punch portion; a wrinkle suppression mold including a first surface opposing the plate portion and comes into contact with the plate portion at a press-forming ending point, a second surface opposing the die and holds the blank material along with the die, and a third surface continued between the first and second surface and opposes the punch portion, and disposed between the third surface and the punch portion via a gap; a pressure receiving portion including a groove portion on the first surface of the wrinkle suppression mold; and a wrinkle suppression force increasing portion disposed on a surface opposing the first surface of the plate portion, protrudes toward the pressure receiving portion, and generates a reaction force opposed to a pressing direction when pressed in the pressing direction in end-phase of a press-forming.
摘要翻译： 一种冲压成形用具，其特征在于，具有：冲头，其具有冲头部和将坯料转印到坯料上的板部; 与冲头成对并与冲头部分相对的模具; 所述防皱模具具有与所述板部相对并在冲压成形终止点与所述板部抵接的第一面，与所述模具相对且将所述坯料与所述模一起保持的第二面， 所述第一表面和所述第二表面与所述冲头部分相对并且经由间隙设置在所述第三表面与所述冲头部分之间; 压力接收部分，其包括在所述抗皱模具的所述第一表面上的凹槽部分; 以及设置在与所述板部的所述第一表面相对的表面上的褶皱抑制力增大部，所述褶皱抑制力增加部朝向所述受压部突出，并且产生与在按压时的按压方向上按压时的按压方向相反的反作用力 -成型。
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5.发明公开PRESS-FORMING MOLD AND METHOD FOR MANUFACTURING PRESS-FORMED PRODUCT 有权新闻稿VERFAHREN ZUR HERSTELLUNG EINES PRESSGEFORMTEN PRODUKTS
公开(公告)号：EP2878392A1
公开(公告)日：2015-06-03
申请号：EP12890327.5
申请日：2012-12-19
发明人： YOSHIDA Tohru
摘要： A press-forming tool comprising: a punch including a punch portion and a plate portion transferring shape to a blank material; a die paired with the punch and opposes the punch portion; a wrinkle suppression mold including a first surface opposing the plate portion and comes into contact with the plate portion at a press-forming ending point, a second surface opposing the die and holds the blank material along with the die, and a third surface continued between the first and second surface and opposes the punch portion, and disposed between the third surface and the punch portion via a gap; a pressure receiving portion including a groove portion on the first surface of the wrinkle suppression mold; and a wrinkle suppression force increasing portion disposed on a surface opposing the first surface of the plate portion, protrudes toward the pressure receiving portion, and generates a reaction force opposed to a pressing direction when pressed in the pressing direction in end-phase of a press-forming.
摘要翻译： 一种压制成型工具，包括：冲头，其包括冲压部分和将形状转移到坯料材料的板部分; 与冲头配对并与冲头部分相对的模具; 皱纹抑制模具，包括与板部相对的第一表面，并在压制成形点处与板部接触;与模具相对的第二表面，并与坯料一起保持坯料;以及第三表面， 所述第一表面和所述第二表面相对于所述冲头部分，并经由间隙设置在所述第三表面和所述冲头部分之间; 压力接收部分，其包括在所述皱纹抑制模具的第一表面上的凹槽部分; 并且设置在与板部的第一表面相对的表面上的皱纹抑制力增加部分向压力接收部分突出，并且在按压的结束阶段中沿按压方向按压时产生与按压方向相反的反作用力 -成型。
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6.发明公开BLANK SHAPE DETERMINING METHOD, BLANK, PRESS MOLDED PRODUCT, PRESS MOLDING METHOD, COMPUTER PROGRAM, AND RECORDING MEDIUM 审中-公开空白形状确定方法，空白，压模产品，压模方法，计算机程序和记录介质
公开(公告)号：EP3275565A1
公开(公告)日：2018-01-31
申请号：EP16772580.3
申请日：2016-03-24
发明人： YONEMURA Shigeru , YOSHIDA Tohru , NITTA Jun , NIWA Toshiyuki
CPC分类号： G05B19/4067 , B21D22/00 , B21D22/02 , B21D53/88 , G05B2219/36278 , G06F17/5018 , G06F17/5095 , G06F2217/42
摘要： A blank shape determining method includes: a process of making a forming analysis of forming a reference blank into a reference formed product and a acquiring sheet thickness distribution and a plastic strain distribution; a process of acquiring a forming failure evaluation index for the reference blank; a process of estimating a region, which includes an end edge portion at which the forming failure evaluation index exceeds a predetermined threshold, within the reference blank as a forming failure region; a process of generating a plurality of corrected blanks; a process of making a forming analysis of forming the corrected blanks into corrected formed products and acquiring a sheet thickness distribution and a plastic strain distribution; a process of acquiring the forming failure evaluation index for the corrected formed product; and a process of determining a shape of the corrected blank having a smallest maximum value of the forming failure evaluation index as a shape of a blank provided for press forming.
摘要翻译： 一种毛坯形状判定方法，其特征在于，包括：进行将基准毛坯形成为基准毛坯的成形分析，取得板厚分布和塑性应变分布的处理; 获取参考坯料的成形失效评估指数的过程; 将包括成形故障评估指数超过预定阈值的结束边缘部分的区域估计为成形故障区域的过程; 产生多个校正后的空白的过程; 进行成形分析的过程，该成形分析将校正后的坯料成形为校正后的成形制品，并获取片材厚度分布和塑性应变分布; 获取修正后的成形品的成形不良评价指标的处理; 以及将成形不良评价指标的最大值的最小值的修正后的坯料的形状决定为用于冲压成形的坯料的形状。
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7.发明公开PLASTIC WORKING METHOD AND PLASTIC WORKING DEVICE FOR METAL MATERIAL 审中-公开VERFAHREN ZUR KUNSTSTOFFBEARBEITUNG UND KUNSTSTOFFBEARBEITUNGSVORRICHTUNGFÜRMETALLMATERIAL
公开(公告)号：EP2851139A1
公开(公告)日：2015-03-25
申请号：EP12877068.2
申请日：2012-05-17
发明人： SATO Koichi , KUBO Masahiro , MIZUMURA Masaaki , YOSHIDA Tohru
IPC分类号： B21D22/20
CPC分类号： B21C37/00 , B21C51/00 , B21D22/022 , B21D22/208 , B21D26/021 , B21D37/16 , C21D1/78 , C21D7/02 , C21D7/13 , C21D8/005 , C21D9/46 , C21D11/00 , G01N3/18 , G01N2203/0017 , G01N2203/0092 , G01N2203/0226
摘要： Provided is a plastic working method of steel including austenite, the method including: analyzing a strain ratio βx of an estimated breaking point which is specified during plastic deformation of the steel; heating a steel such that a local temperature T local is within a temperature range indicated by the following expression 1, when T βx represents a strain-induced-transformation-maximum-ductility-temperature in the unit of °C for the strain ratio βx, σL βx represents the standard deviation of a fitted curve of critical equivalent strain which depends on the strain ratio βx on a lower temperature side than T βx , σH βx represents the standard deviation of a fitted curve of critical equivalent strain which depends on the strain ratio βx on a higher temperature side than T βx , and T local represents a local temperature in the unit of °C of the estimated breaking point; and plastically deforming the steel after heating: T βx - 2 × σ L βx ≤ T local ≤ T βx + 1.25 × σ H βx
摘要翻译： 提供了一种包括奥氏体的钢的塑性加工方法，该方法包括：分析钢的塑性变形期间规定的估计断裂点的应变比值×x; 加热钢，使得局部温度T局部在由以下表达式1表示的温度范围内，当T×x表示应变诱发相变 - 最大延展性温度，单位为℃，应变比χx时， ²L表示关键等效应变的拟合曲线的标准偏差，这取决于温度较低的一侧的应变比χx，χ2表示关键等效应变的拟合曲线的标准偏差，取决于应变比 高于T×2的温度范围内的“XX”，T局部表示以估计的断点°C为单位的局部温度; 并在加热后使钢材发生塑性变形：T×××××××××××××××××××××××××××××××××××××××××××××××
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公开(公告)号：EP2682200A1
公开(公告)日：2014-01-08
申请号：EP12752433.8
申请日：2012-02-24
发明人： YOSHIDA Tohru , TOYODA Daisuke
摘要： A load-applying device of a press-forming die includes a rod which includes a first end, a second end, and a flange, a lamination coned disc spring in which a plurality of coned disc springs having a center hole, to which the first end of the rod is inserted, are laminated, a first plate which includes a first through hole to which the first end of the rod is inserted and abuts the lamination coned disc spring, a second plate which includes a second through hole to which the second end of the rod is inserted and abuts the flange; and a gap fixing member which is detachably provided between the first plate and the second plate and fixes a gap between the first plate and the second plate so as to maintain the gap by which the lamination coned disc spring biases the flange to the second plate. The second end and the first plate relatively move in a mutually approaching direction during press-forming, and the lamination coned disc spring is compressed.
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