Wenderoth, Lind & Ponack
Machine tool with grinding function and truing/dressing method of grinding stone using it
 A machining tool with an electric discharge truing and dressing apparatus comprising a spindle stock for containing and supporting a workpiece spindle which is driven for rotation while holding a workpiece or an electrode. A tool rest moves parallel and perpendicular to the spindle of the spindle stock and holds an electrode machining tool and a grinding wheel. An electricity feed element is disposed between a workpiece supportng portion of the spindle and the tool rest. A magazine is disposed at an outside area of a machining area of the tool rest and is adapted to store the workpiece and the electrode. A loading device is disposed between the magazine and the spindle. The grinding wheel on the tool rest is subjected to truing and dressing by feeding the electrode from the magazine to the spindle stock. 
Yamazaki Mazak Corporation
B B B B Y Y B B B
B23Q B23H B24B B23Q Y10S Y10T B24B B23H B24B
inventional inventional inventional inventional additional additional inventional inventional inventional
Yoshiharu Hisashi Isao Yoshinori Sakae Kiyokazu Kazuo
Takada Yoshida Kanematsu Mori Hatano Kainuma Asano