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Cutting inserts and head replaceable cutting tools

A cutting insert, cutting tool technology, applied in cutting inserts, milling cutting inserts, milling cutters, etc., can solve problems such as damage to cutting edge defect resistance and shortening of cutting insert life.

Active Publication Date: 2018-09-18
TUNGALOY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the chipping resistance of the cutting edge is impaired due to the provision of the notch, and the life of the cutting insert may be shortened

Method used

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  • Cutting inserts and head replaceable cutting tools
  • Cutting inserts and head replaceable cutting tools
  • Cutting inserts and head replaceable cutting tools

Examples

Experimental program
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Embodiment Construction

[0032] Hereinafter, one embodiment of the present invention will be described using the drawings.

[0033] The cutting insert 1 of the present embodiment is as Figure 1 to Figure 4 As shown, it has two opposing end surfaces 2, 3 and a peripheral side surface 4 connecting these two end surfaces. Below, will be in figure 1 One end face (corresponding to the first end face of the present invention) 2 facing upward is referred to as the upper face, and the other end face (corresponding to the second end face of the present invention) 3 is referred to as the lower face. In addition, based on the relative positional relationship between the upper surface and the lower surface, the terms "upper" and "lower" may be used in the following description. However, these terms are not intended to limit the orientation and position of the cutting insert, but are used only for ease of understanding, and should not be understood as limiting the present invention. In the following descriptio...

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Abstract

The present invention provides a cutting insert (1), comprising: a first end face (2); a second end face (3), facing the first end face; and a peripheral side face (4), the first end face and the first end face The 2 end surfaces are connected; the cutting edge (6) extends along the crossing ridge between the aforementioned first end surface and the aforementioned peripheral side surface; the blade back (20) is formed on the first end surface in such a manner as to extend along the cutting edge; at least One groove (18) is formed on the peripheral side. Each groove portion forms an opening on the first end surface, and is formed so as to divide the cutting edge into a plurality of parts. When the cutting insert is viewed from a direction facing the first end surface, the back is formed such that the width of the back adjacent to the end region (S) of the groove is wider than the back at a location away from the groove. The width is wide.

Description

technical field [0001] The present invention relates to a cutting insert and a replaceable cutting tool, and more particularly to a cutting insert having a notch on a cutting edge and a replaceable cutting tool having a main body for detachably mounting the cutting insert. Background technique [0002] Conventionally, there are cutting inserts in which notches are formed on the cutting edge. For example, the cutting insert described in Patent Document 1 is used for rotary cutting, and a plurality of grooves (hereinafter referred to as “notches”) are formed on the side surface of the cutting insert so as to divide the main cutting edge. Since the main cutting edge is divided into a plurality by these notches, chips discharged by the cutting of the main cutting edge can be relatively thinned, thereby reducing cutting resistance during cutting. [0003] Patent Document 1: Japanese Unexamined Patent Publication No. 2006-305716. [0004] However, the notched cutting insert disc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23C5/20B23C5/10
CPCB23B2200/3654B23C5/109B23C2200/128B23C2200/205B23C2210/287B23C5/202B23C2200/0411
Inventor 阿曾孝洋
Owner TUNGALOY CORP
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