Mitsubishi Heavy Industries Aero Engines, Ltd.

Sumitomo Electric Industries, Limited

Mitsubishi Heavy Industries Limited

Dmg Mori Company Limited

Nagoya Institute of Technology

Tokai National Higher Education and Research System

Shiro Nagami

Kiichi Meguro

Eiji Shamoto

Makoto Yamasaki

Fumihiro Itoigawa

Yohei Oda

Keigo Matsunaga

Junichi Marui

Yukio Naiki

Koji Mizutani

Yoshiki Nishioka

Takehiro Hayasaka

Shota Yoshino

A low toughness workpiece cutting apparatus, a low toughness workpiece manufacturing method and a low toughness workpiece manufacturing program for predicting an occurrence of defect and/or non-occurrence of defect before a cutting process of low toughness material. A defect prediction device is provided with a storage device, a processor and an interface. The storage device stores tool data that represent physical characteristics and a shape of a tool, cutting data that represent a group of parameters of a cutting process to be performed to a workpiece by use of the tool and material data that represent physical characteristics and a shape of the workpiece. The processor performs an analysis of deformation of the workpiece due to a cutting force and an analysis of fracture due to the deformation, and performs a prediction of an occurrence of defect and/or a non-occurrence of defect of the workpiece due to the cutting process.

Low toughness workpiece cutting apparatus, low toughness workpiece manufacturing method and recording medium storing low toughness workpiece manufacturing program

A shaft portion and a blade portion provided on a side surface of the shaft portion are included, and the blade portion includes cutting blades arranged in a plurality of lines on a side surface of the shaft portion along a peripheral direction, and arranged in a plurality of stages in an extending direction of a shaft center of the shaft portion in each line. Further, the cutting blade has a radial-direction clearance angle, a tip end-side clearance angle, and a base end-side clearance angle.

Cutting tool and cutting method

Growing community of inventors

Tokyo, Japan

Shiro Nagami