CUTTING TOOL, CUTTING INSERT AND TOOL BODY

Japanese Patent JP2023005804

A

To provide a cutting tool in which a cutting insert can be stably attached to a tool body and positional deviation of the cutting insert during cutting can be prevented, and also provide the cutting insert and the tool body.SOLUTION: A cutting tool in the present invention is a tool in which a cutting insert is attached to a tool body. The cutting insert has a rake face and a seating face, and the rake face and the seating face are connected by a side face including a flank. The tool body has one or more pockets at one end thereof, and includes a fitting seat and one or more fitting side faces angled with respect to the fitting seat in the pocket. The seating face, the side face, the fitting seat, and the fitting side face respectively have a restraining part. Processing streaks at a constant cycle are formed with 0.05 μm≤Ra≤6.30 μm on all restraining parts. In the state where the cutting insert is attached to the tool body, an angle θ between a processing streak of the cutting insert in each restraining part and a processing streak of the tool body is 0°≤θ≤5°.SELECTED DRAWING: Figure 1

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INAGAKI FUMIHIKO
HITAI YOJI
MORITA NOBORU
MATSUSAKA SOTA
SHIMIZU SHINJI
MATSUMOTO YUICHIRO
CHIBA AKIRA

JP2021107990A

January 18, 2023

June 29, 2021

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MOLDINO TOOL ENGINEERING LTD

B23C5/22; B23C5/10

Yasushi Matsunuma
Mitsuo Teramoto
Fumihiro Hosokawa
Kazunori Onami

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