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发明公开
CN107107209A 切削刀片和铣削刀具 有权

切削刀片和铣削刀具
摘要：
一种用于铣刀的可转位的切向切削刀片(4)包括两个相反的端面(13)和在所述端面之间延伸的四个相同的横向表面(16、17)。刀片的每个侧面设有支承表面(32)，该支承表面(32)构造成一方面由在八个转位位置中的两个转位位置上对刀片提供轴向支承的刀具本体的刀片槽(3)的对应的支承面支承，并且另一方面由在所述八个转位位置中的另外两个转位位置上对刀片提供切向支承的所述刀片槽的对应的支承面支承。刀片的每个侧面(16、17)设有沿垂直于所述端面(13,14)的方向看是凹形的并且在对角线方向上延伸跨过所述侧面的单个所述第二支承表面(32)。
摘要（英）：

An indexable tangential cutting insert (4) for a milling tool comprises two opposing side surfaces (13) and four identical lateral surfaces (16, 17) extending between the side surfaces. Each lateral surface of the insert is provided with a support surface (32) configured to be supported by on one hand a corresponding support face of a pocket (3) of a tool body providing an axial support to the insert in two of eight index positions and on the other a corresponding support face of the pocket providing a tangential support to the insert in two other of said eight index positions. Each lateral surface (16, 17) of the insert is provided with a single said second support surface (32) being concave as seen in a direction perpendicular to said side surfaces and extending diagonally across the lateral surface.

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