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1. 发明公开

EP3137248A1 ZERSPANUNGSWERKZEUG MIT FESTSTEHENDEN UND FEDERND GELAGERTEN FÜHRUNGSLEISTEN 有权
标题翻译： FERTSTEHENDEN UNDER FEDERND GELAGERTENFÜHRUNGSLEISTEN，ZERSPANUNGSWERKZEUG MIT
公开(公告)号：EP3137248A1
公开(公告)日：2017-03-08
申请号：EP15719628.8
申请日：2015-04-09
申请人： MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG
发明人： KRESS, Dieter
IPC分类号： B23B29/03 , B23D77/00 , B23C5/20
CPC分类号： B23B29/03 , B23B2229/04 , B23B2260/136 , B23C5/207 , B23D77/00 , B23D2277/105 , B23D2277/202 , B23D2277/204 , B23D2277/206 , B23D2277/46
摘要： The invention relates to a machining tool for machining bores, comprising a main part (3) which has a central axis (5) in a circumferential surface (7), at least two geometrically defined cutting edges (9/1 to 9/5) which are unevenly distributed on the circumferential surface (7) of the machining tool (1) when seen in the circumferential direction of the machining tool (1), and a number of guide strips which project from the circumferential surface (7) of the main part (3). The machining tool (1) is characterized in that two guide strips (19/1, 19/2) are designed to be stationary and are arranged with a circumferential spacing of less than 180° relative to one another such that a first circumferential region (21/1) is formed which lies between the stationary guide strips and extends over more than 180°, and a second circumferential region (21/2) is formed which extends over less than 180°; such that one (9/1, 9/2) of the at least two cutting edges (9/1 to 9/5) is arranged in the second circumferential region (21/2) between the stationary guide strips (19/1, 19/2); and such that at least one guide strip (23) is spring-mounted on the main part (3), and the at least one spring-mounted guide strip (23) is arranged in the first circumferential region (21/1) such that the at least one spring-mounted guide strip (23) resiliently presses the machining tool (1) against the stationary guide strips (19/1, 19/2) when machining a bore.
摘要翻译：本发明涉及一种用于加工孔的加工工具，其包括在圆周表面（7）中具有中心轴线（5）的主要部分（3），至少两个几何限定的切削刃（9/1至9/5）在沿着加工工具（1）的圆周方向观察时，不均匀地分布在加工工具（1）的圆周面（7）上，并且从主体的圆周面（7）突出的多个导向条第（3）部分。所述加工工具（1）的特征在于，两个引导条（19/1,19/2）被设计为固定的并且相对于彼此以小于180°的周向间隔布置，使得第一周向区域 21/1）形成在固定引导条之间并且延伸超过180°，并且形成延伸超过180°的第二周向区域（21/2）; 使得所述至少两个切削刃（9/1至9/5）中的一个（9/1,9/2）布置在所述固定导向条（19/1， 19/2）; 并且使得至少一个引导条（23）弹簧安装在主要部分（3）上，并且至少一个弹簧安装的引导条（23）布置在第一周向区域（21/1）中，使得当加工孔时，所述至少一个弹簧安装的引导条（23）将加工工具（1）弹性地压靠固定导向条（19/1,19/2）。

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