公开(公告)号：EP1972395B1

公开(公告)日：2010-01-20

申请号：EP08005032.1

申请日：2008-03-18

申请人： Neturen Co., Ltd.

发明人： Yamawaki, Takashi ,  Suzuki, Ryosuke ,  Murata, Tetsuji ,  Yamamoto, Tsuyoshi ,  Kiyosawa, Yutaka

IPC分类号： B21K1/76 ,  B21D41/04 ,  B23P15/14 ,  B62D3/12 ,  F16H55/26 ,  C21D9/00 ,  C21D9/40 ,  C21D9/42 ,  C21D1/10

CPC分类号： B21K1/767 ,  B21C5/003 ,  B21D41/04 ,  B21K1/768 ,  B23P15/14 ,  B62D3/126 ,  C21D9/0068 ,  C21D9/32 ,  F16H55/26

公开(公告)号：EP1972395A3

公开(公告)日：2008-10-08

申请号：EP08005032.1

申请日：2008-03-18

申请人： Neturen Co., Ltd.

发明人： Yamawaki, Takashi ,  Suzuki, Ryosuke ,  Murata, Tetsuji ,  Yamamoto, Tsuyoshi ,  Kiyosawa, Yutaka

IPC分类号： B21K1/76 ,  B21D41/04 ,  B23P15/14 ,  B62D3/12 ,  F16H55/26 ,  C21D9/00 ,  C21D9/40 ,  C21D9/42 ,  C21D1/10

CPC分类号： B21K1/767 ,  B21C5/003 ,  B21D41/04 ,  B21K1/768 ,  B23P15/14 ,  B62D3/126 ,  C21D9/0068 ,  C21D9/32 ,  F16H55/26

摘要： Method for reducing the diameter of an end portion (4a) on a cylindrical end side portion (4) of a hollow bar (1A), said hollow bar having on its other end side portion (3) a rack formed with an end rack tool (2a,2b) at both ends. In said bar (1A), a depression (12,15) is also provided between each end rack tooth (2a,2b) and a corresponding adjoining portion (11,14) of said end side portion (3) having an inclined portion (11a,14a) opposing the tooth side face of the corresponding end rack tooth (2a,2b) and continuous to each of the both ends of the rack (2). First, the one end side portion (3) is nipped by means of a jig (21) including a jig member (22) having a pair of convex portions (25) which are to be fitted inside said depressions to position the bar (1A), and a jig member (28) which is to be clamped/opened with respect to the jig member (22). After that, a compression die (31) having an inside diameter smaller than the diameter of the outer periphery is pressed onto the outer periphery of the end portion (4a) of the cylindrical end side portion (4) projected from the jig (21) up to a press-in depth M determined preliminarily based on the rack (2), so as to reduce the diameter of the end portion (4a).

摘要翻译： 1。一种用于减小空心杆（1A）的圆柱形端侧部分（4）上的端部部分（4a）的直径的方法，所述空心杆在其另一端侧部分（3）上具有形成有端部齿条工具 （2a，2b）。 在所述杆（1A）中，在每个端部齿条齿（2a，2b）与所述端部侧部分（3）的相应邻接部分（11,14）之间还设置有凹部（12,15），所述凹部具有倾斜部分 （2a，2b）的齿侧面相对并且与齿条（2）的两端中的每一个相连续。 首先，通过夹具（21）夹住一端侧部分（3），该夹具包括具有一对凸起部分（25）的夹具部件（22），所述凸起部分将被装配在所述凹陷部分内以定位所述杆（1A ）和夹具构件（28），该夹具构件（28）相对于夹具构件（22）被夹紧/打开。 之后，将内径比外周的直径小的压缩模具（31）压到从夹具（21）突出的圆筒形端侧部分（4）的端部（4a）的外周上， 直到预先基于齿条（2）确定的压入深度M，从而减小端部（4a）的直径。

公开(公告)号：EP1972395A2

公开(公告)日：2008-09-24

申请号：EP08005032.1

申请日：2008-03-18

申请人： Neturen Co., Ltd.

发明人： Yamawaki, Takashi ,  Suzuki, Ryosuke ,  Murata, Tetsuji ,  Yamamoto, Tsuyoshi ,  Kiyosawa, Yutaka

IPC分类号： B21K1/76 ,  B21D41/04 ,  B23P15/14 ,  B62D3/12 ,  F16H55/26 ,  C21D9/00 ,  C21D9/40 ,  C21D9/42 ,  C21D1/10

CPC分类号： B21K1/767 ,  B21C5/003 ,  B21D41/04 ,  B21K1/768 ,  B23P15/14 ,  B62D3/126 ,  C21D9/0068 ,  C21D9/32 ,  F16H55/26

摘要： Method for reducing the diameter of an end portion (4a) on a cylindrical end side portion (4) of a hollow bar (1A), said hollow bar having on its other end side portion (3) a rack formed with an end rack tool (2a,2b) at both ends. In said bar (1A), a depression (12,15) is also provided between each end rack tooth (2a,2b) and a corresponding adjoining portion (11,14) of said end side portion (3) having an inclined portion (11a,14a) opposing the tooth side face of the corresponding end rack tooth (2a,2b) and continuous to each of the both ends of the rack (2). First, the one end side portion (3) is nipped by means of a jig (21) including a jig member (22) having a pair of convex portions (25) which are to be fitted inside said depressions to position the bar (1A), and a jig member (28) which is to be clamped/opened with respect to the jig member (22). After that, a compression die (31) having an inside diameter smaller than the diameter of the outer periphery is pressed onto the outer periphery of the end portion (4a) of the cylindrical end side portion (4) projected from the jig (21) up to a press-in depth M determined preliminarily based on the rack (2), so as to reduce the diameter of the end portion (4a).

摘要翻译： 用于在中空杆（1A）的圆柱形端侧部（4）减少的端部（4a）的直径的方法，所述具有在其另一端侧部分的中空杆（3）以结束机架工具形成的齿条 （2A，2B）的两端。 在所述杆（1A），一个凹部（12,15）。所述（3）在倾斜部分具有端侧部分的每个端部齿条齿（2A，2B）和相应的邻接部分（11,14）之间（被如此设置 图11A，14A）相对的相应端部齿条齿的齿侧面（2A，2B）和连续到每个机架（2）的两端的。 首先，将一端侧部（3）由具有一对凸部（25）将被装配在所述凹部以定位杆内的夹具（21），其包括夹具部件（22）的手段（1A夹持 ），以及一个夹具构件（28）所有要被夹紧/相对于所述夹具构件（22）打开。 （4）从夹具突出（21）在此之后，具有在内径比外周的直径小的压缩，（31）被压到圆筒形端侧部分的端部（4a）的外周 到的压入深度中号确定性开采预先基于所述机架（2），以便减小所述端部（4a）的直径。