Dmg Mori Seiki Co., Ltd.

Soichiro Yamada

Toshio Ueda

Takashi Hoshi

Kiyoshi Yoshioka

Yoshiaki Sugimoto

Yumi Suzuki

In a case where a tool holderhaving a plurality of cutting tools T are attachably/detachably mounted on a base member, the tool holderis formed in a ring shape and has depressionsand projectionson an inner periphery, and by aligning the depressions and projectionsof the tool holderwith projectionsand depressionsformed on an outer periphery of a rotating memberrotatably mounted on the base member, the tool holderis mountable to or removal from the base member. The tool holderis clamped to the base memberby being pressed against a seating surfaceof the base member

Tool holder attaching/detaching structure of machine tool

Provided is a temperature control apparatus of a working machine that is inexpensive, energy-saving and capable of eliminating the temperature difference between a temperature in a room in which the working machine is installed and a temperature of a working area.

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Yamatokoriyama, Japan

Soichiro Yamada