Mori Seiki Co., Ltd.

Dmg Mori Company Limited

Akifumi Yoshida

Takashi Hoshi

Ryosuke Yasumura

Kousuke Yamamoto

Takenori Nishizawa

Yukikazu Sakaida

A tool holding part holds two boring bars in a manner in which axes of the boring bars are parallel to a spindle axis. A tool change mechanism has a circular arc movement mechanism in which the boring bar moves from a tool holding position to a tool change position by at least a circular arc movement on a plane surface including an axis of the spindle in the tool change position and an axis of the boring bar positioned in the tool holding part.

Machine tool

Scraping plates include: a first scraping plateattached to chains, with an end surface' thereof facing a receiving platebeing deviated from an attachment point c&#x2032; where the first scraping plateis attached to the chains, by a distance Lto an opposite side of an advance direction a of the chains; and a second scraping plateattached to the chains, with an end surface&#x2032; thereof facing the receiving platebeing deviated from an attachment point d&#x2032; where the second scraping plateis attached to the chains, by a distance Lsmaller than the distance Lof the first scraping plateto the opposite side of the advance direction a.

Chip discharge device of machine tool

Growing community of inventors

Nara, Japan

Akifumi Yoshida