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Double-sided cutting insert having high feed rate and cutting tool equipped therewith
Double-sided cutting insert having high feed rate and cutting tool equipped therewith
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机译:具有高进给率的双面切削刀片和配备有该切削工具的切削工具
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摘要
The technical objective of the present invention is to provide a double-sided cutting insert having a high feed rate, which can increase the edge strength and reduce the cutting load, and thus can be suitable for high feed rate processing. To this end, a double-sided cutting insert having a high feed rate according to the present invention comprises: two main surfaces that face in opposite directions; two shorter side surfaces, which connect between the two main surfaces, and which face in opposite directions; two longer side surfaces, which connect between the two main surfaces and between the two shorter side surfaces, which face in opposite directions, and the width of which is larger than that of the shorter side surfaces; and a fastening hole that extends through the two longer side surfaces such that a cutting tool fastening bolt is inserted therein, wherein the double-sided cutting insert having a high feed rate comprises a shorter cutting edge provided on a boundary portion between each of the main surfaces and each of the shorter side surfaces, a longer cutting edge provided on a boundary portion between each of the main surfaces and each of the longer side surfaces, and a corner cutting edge that connects between the shorter cutting edge and the longer cutting edge, and the shorter cutting edge has a curved shape that is outwardly convex, when the same is viewed from a direction of the main surfaces.
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