专利名称：Cutting insert for high feed face milling发明人：Gilles Festeau,Jean-Luc Dufour,X. Daniel
Fang,David J. Wills
申请号：US14336053申请日：20140721公开号：US09446460B2公开日：20160920
专利附图：
摘要：A cutting insert for milling operations, such as, face milling, slot milling, plungemilling, and ramping operations. The cutting insert exhibits a combination of favorablecutting edge strength, and unique cutting edge geometry, thus, allowing milling
operations at relatively high feed rates. The cutting insert includes at least four cuttingedges, wherein at least one of the cutting edges is a convex cutting edge. Certainembodiments of square cutting inserts will have four convex cutting edges which may beconnected by nose corners. The convex cutting edge may comprise at least one of acircular arc, a portion of an ellipse, a portion of a parabola, a multi-segment spline curve,a straight line, or combinations of these. Wherein the convex cutting edge comprises acircular arc, the circular arc may have a radius greater than or equal to two times a radiusof the largest circle that may be inscribed on the top surface.
申请人：Kennametal Inc.
地址：Latrobe PA US
国籍：US
代理人：Ian K. Samways
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