The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 03, 1991
Filed:
Jul. 09, 1990
Takeo Nakagawa, Ichinotsubo, Nakahara-ku, Kawasaki-shi, Kanagawa-ken, JP;
Kiyoshi Suzuki, Kanagawa, JP;
Tetsutaro Uematsu, Tokyo, JP;
Norihiko Shimizu, Aichi, JP;
Sakae Hatano, Aichi, JP;
Munetada Kurita, Gifu, JP;
Kanji Sato, Aichi, JP;
Yoshiharu Takada, Chiba, JP;
Yamazaki Mazak Corporation, Aichi, JP;
Other;
Abstract
A machining tool is provided with an electric discharge truing/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 which moves parallel and perpendicular to the spindle of the spindle stock and holds an electrode machining tool and a grinding wheel; a feed electricity means disposed between a workpiece supporting portion of the spindle and the tool rest; a magazine disposed at an outside area of a machining area of the tool rest and adapted to store the workpiece and the electrode; and a loading device disposed between the magazine and the spindle. The grinding wheel on the tool rest is subjected to truing/dressing by feeding the electrode from the magazine to the spindle stock.