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:
Apr. 17, 1990
Filed:
May. 16, 1985
Kiyokazu Yoshimura, Kyoto, JP;
Norio Miyawaki, Kyoto, JP;
Hiroyuki Yamada, Osaka, JP;
Hideaki Nakamura, Kyoto, JP;
Koichi Tshujino, Kyoto, JP;
Takaharu Takinami, Kyoto, JP;
Tatemitsu Hirayama, Kumamoto, JP;
Tatsuhiko Naito, Osaka, JP;
Ryoichi Miyake, Kyoto, JP;
Takeshi Yamada, Kyoto, JP;
Tetsuro Iwakiri, Kumamoto, JP;
Kazuaki Otsuka, Kumamoto, JP;
Omron Tateisi Electronics Co., Kyoto, JP;
Abstract
A tool monitoring system for detecting a tool failure of a tool employed in a tool machine, comprising artificial signal generating unit for generating a predetermined artificial tool failure signal simulating the acoustic emission signal obtained in an actual failure of the tool, acoustic emission transducing unit adapted to be mounted on the tool machine near the tool and driven by the artificial signal generating unit for applying the artificial tool failure signal to the tool machine, acoustic emission sensing unit mounted on the tool machine near the tool so as to receive, in a setting mode of the system where the transducing unit is mounted on the machine, the applied artificial tool failure signal from the acoustic emission transducing unit through the tool machine and, in a monitoring mode of the system where the tool is operated, an acoustic emission from the tool, and signal processing unit for analyzing an output signal generated from the acoustic emission sensing unit to detect the tool failure of the tool.