Korloy Inc.

Young Nam Choi

Sang Yong Lee

Sun Yong Ahn

Jae Man Park

Young Heum Kim

Jae Yeong Mun

The present disclosure relates to a cutting insert, and a cutting insert according to the present disclosure comprises: an upper surface and a lower surface oriented in opposite directions; a first and a second shorter side surface connecting the upper surface and the lower surface to each other and oriented in opposite directions; a first and a second longer side surfaces connecting the upper surface and the lower surface to each other, connecting the first and the second shorter side surfaces to each other, oriented in opposite directions, and being longer than the first and the second shorter side surfaces; and a through hole extending through the upper surface and the lower surface, wherein when viewed toward the upper surface, the first longer side surface has two side portions, each side portion having an inclined shape with reference to the center portion.

Cutting insert and cutting tool having same mounted therein

The present disclosure's technical object is to provide a high feed cutting insert capable of providing a sufficient entering angle while ensuring rigidity of a cutting tool's bottom part. For this, the high feed cutting insert of the present disclosure comprises a short cutting edge provided on a boundary portion between a main surface and a short side surface, a long cutting edge provided on a boundary portion between the main surface and a long side surface, two ascending corner cutting edges connecting the short cutting edge and the long cutting edge, and placed on one diagonal position, and two descending corner cutting edges placed on the other diagonal position and having the height lower than that of the ascending corner cutting edges, wherein the short cutting edge and the long cutting edge, when viewed towards the main surface, form an obtuse angle while the ascending corner cutting edges are interposed therebetween and form an acute angle while the descending corner cutting edges are interposed therebetween.

High-feed cutting insert and cutting tool equipped with same

The technical problem to be solved by the present disclosure is to provide a single-sided high feed cutting insert which can have increased edge strength and reduced cutting load so as to be suitable for high feed machining. To this end, the single-sided high feed cutting insert of the present disclosure comprises: a short cutting edge disposed between a major surface and a short lateral surface; a long cutting edge disposed between the major surface and a long lateral surface; and a corner cutting edge disposed between the short cutting edge and the long cutting edge, wherein the short cutting edge has an outwardly convex curved shape when viewed from the major surface, and a minor surface has a straight shape when viewed from the short and long lateral surfaces, respectively.

Single-sided high feed cutting insert and cutting tool equipped with same

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.

Growing community of inventors

Cheongju-si, South Korea

Young Nam Choi