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1. 发明授权

EP1572420B1 VERFAHREN ZUM BEARBEITEN EINER KANTE EINES HOCHDRUCKFESTEN BAUTEILS, INSBESONDERE ZUM HYDRO-EROSIVEN VERRUNDEN EINER KANTE SOWIE UND VORRICHTUNG HIERZU 有权
标题翻译：一种用于处理高压固体成分的边缘，特别是对HYDRO-糜烂四舍五入用于此目的EDGE以及设备和
公开(公告)号：EP1572420B1
公开(公告)日：2008-02-27
申请号：EP03788869.0
申请日：2003-12-10
申请人： Siemens VDO Automotive AG
发明人： SCHMIDT, Harald , AURICH, Stephan , HAMANN, Christoph , KRONBERGER, Maximilian
IPC分类号： B24B39/00 , B24B31/116 , B23P9/02
CPC分类号： B24B39/02 , B24B31/116 , Y10T29/49405 , Y10T29/49409 , Y10T29/49419
摘要： The invention relates to a method for working the edge of a high pressure-resistant part, according to which the edge is hydro-erosively rounded off in a working step. The invention also relates to a method and a device for the hydro-erosive rounding of the edge of a high pressure-resistant part, especially the edge of a bore intersection of a high pressure-resistant part of a fuel injection system. According to said method, a liquid to which abrasives are added is directed across the edge that is to be rounded in the area of a first continued bore to a branching second bore. In order to optimize the result of the rounding process and thus in order to optimize the high pressure-resistance of the part, the edge (5) and the surfaces (4, 6) of the high pressure-resistant part (1) adjacent to the edge (5), before the step of hydro-erosive rounding, are subjected to compressive strains in the area of their surfaces by means of a grinding and/or honing method. The method and the device for the hydro-erosive rounding are improved by inserting an obturating element (9) in the continued first bore (2) behind the branching second bore (3), when seen from the main direction of flow (S) of the liquid (8) to which abrasives (7) are added, to deflect the liquid (8) to which abrasives (7) are added from the first bore (2) to the second bore (3).

2. 发明授权

EP1572420B8 VERFAHREN ZUM BEARBEITEN EINER KANTE EINES HOCHDRUCKFESTEN BAUTEILS, INSBESONDERE ZUM HYDRO-EROSIVEN VERRUNDEN EINER KANTE SOWIE UND VORRICHTUNG HIERZU 有权
标题翻译： VERFAHREN ZUM BEARBEITEN EINER KANTE EINES HOCHDRUCKFESTEN BAUTEILS，INSBESONDERE ZUM HYDRO-EROSIVEN VERRUNDEN EINER KANTE SOWIE UND VORRICHTUNG HIERZU
公开(公告)号：EP1572420B8
公开(公告)日：2008-05-07
申请号：EP03788869.0
申请日：2003-12-10
申请人： VDO Automotive AG
发明人： SCHMIDT, Harald , AURICH, Stephan , HAMANN, Christoph , KRONBERGER, Maximilian
IPC分类号： B24B39/00 , B24B31/116 , B23P9/02
CPC分类号： B24B39/02 , B24B31/116 , Y10T29/49405 , Y10T29/49409 , Y10T29/49419
摘要： The invention relates to a method for working the edge of a high pressure-resistant part, according to which the edge is hydro-erosively rounded off in a working step. The invention also relates to a method and a device for the hydro-erosive rounding of the edge of a high pressure-resistant part, especially the edge of a bore intersection of a high pressure-resistant part of a fuel injection system. According to said method, a liquid to which abrasives are added is directed across the edge that is to be rounded in the area of a first continued bore to a branching second bore. In order to optimize the result of the rounding process and thus in order to optimize the high pressure-resistance of the part, the edge (5) and the surfaces (4, 6) of the high pressure-resistant part (1) adjacent to the edge (5), before the step of hydro-erosive rounding, are subjected to compressive strains in the area of their surfaces by means of a grinding and/or honing method. The method and the device for the hydro-erosive rounding are improved by inserting an obturating element (9) in the continued first bore (2) behind the branching second bore (3), when seen from the main direction of flow (S) of the liquid (8) to which abrasives (7) are added, to deflect the liquid (8) to which abrasives (7) are added from the first bore (2) to the second bore (3).
摘要翻译：本发明涉及一种用于加工耐高压部件的边缘的方法，根据该方法边缘在工作步骤中被水力地四舍五入。本发明还涉及一种用于对耐高压部件的边缘，特别是燃料喷射系统的耐高压部件的内孔交点的边缘进行耐水磨蚀的方法和装置。根据所述方法，将添加有研磨剂的液体引导穿过待在第一连续孔的区域中圆化的边缘到达分支第二孔。为了优化舍入过程的结果并且因此为了优化部件的高耐压性，高耐压部件（1）的边缘（5）和表面（4,6）邻近边缘（5）在水磨蚀磨削步骤之前通过研磨和/或珩磨方法在其表面区域中受到压缩应变。当从主流动方向（S）看时，通过将堵塞元件（9）插入分支的第二孔（3）后面的连续的第一孔（2）中来改进用于水蚀的倒圆的方法和装置添加磨料（7）的液体（8）将磨料（7）从第一孔（2）添加到第二孔（3）的液体（8）偏转。

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