Dmg Mori Company Limited

National Institute for Materials Science

Hirose Paper Mfg Co., Ltd.

Masataka Sakamoto

Shizuo Nishikawa

Katsuhiko Ono

Morihiro Hideta

Izumi Ichinose

Kengo Kawai

Koji Iiyama

Takako Tsubata

Edhuan Bin Ismail

Yoshiki Mizuno

A machining condition determining apparatus () includes a first setter () setting a cutting speed of a cutting tool, a storage () storing a maximum output value of a drive motor rotating a spindle holding the cutting tool and a number of revolutions of the drive motor corresponding to the maximum output value, a number-of-revolutions determiner () obtaining a steady-state value of the maximum output value of the drive motor stored in the storage () and determining a number of revolutions of the drive motor corresponding to the obtained steady-state value of the maximum output value, and a tool-diameter determiner () calculating a tool diameter of the cutting tool based on the cutting speed set by the first setter () and the number of revolutions of the drive motor determined by the number-of-revolutions determiner ().

Machining condition-determining device and cutting tool selection apparatus

A machining management apparatus includes a tool information storage storing therein information relating to each cutting tool used in a machine tool and storing therein a coefficient n and a coefficient C in a tool life equation corresponding to tool life influencing factors including at least a workpiece and a cutting tool material, and an adapted cutting speed calculator executing a machining condition receiving processing of receiving information on the tool life influencing factors and information on a desired cutting speed, a coefficient recognition processing of recognizing the coefficient n and the coefficient C corresponding to the tool life influencing factors by referring to the tool information storage based on the received tool life influencing factor information, and a cutting speed calculation processing of calculating a cutting speed adapted to the desired cutting time according to the tool life equation based on the recognized coefficient n and coefficient C.

Machining management apparatus

A machining status display apparatus includes a display device having a display screen, a stability lobe picture creator creating, based on specifications of a tool to be used, display picture data for displaying a stability lobe as a correlation diagram between a spindle rotation speed and a limit depth of cut of the tool above which regenerative chatter occurs, a first machining information picture creator creating display picture data for displaying machining related information other than regenerative chatter corresponding to set machining conditions, and a display controller displaying the stability lobe and the machining related information with the stability lobe and the machining related information superimposed one on another on the display screen of the display device based on the display picture data created by the stability lobe picture creator and the display picture data created by the first machining information picture creator.

Machining status display apparatus

Growing community of inventors

Nara, Japan

Masataka Sakamoto