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Patent Searching and Data


Title:
工具の形状異常検出装置、工具の形状異常検出方法
Document Type and Number:
Japanese Patent JP7332645
Kind Code:
B2
Abstract:
An apparatus for detecting a shape abnormality of a tool comprises: a shape abnormality calculation unit which calculates a shape abnormality of a tool; a camera which films an actual shape of the tool; a shape difference acquiring unit which acquires a shape difference between the shape abnormality of the tool calculated from the shape abnormality calculation unit and the actual shape of the tool filmed by the camera from a plurality of spots on the tool; a moving average value acquiring unit which acquires a moving average value of the plurality of shape differences acquired from the shape difference acquiring unit from the plurality of spots of the tool; a moving average value variation acquiring unit which acquires a variation of a plurality of moving average values acquired from the moving average value acquiring unit from the plurality of spots of the tool; and a foreign substance attachment determining unit which determines whether foreign substances are attached on the tool according to the variation acquired from the moving average value variation acquiring unit. The present invention can detect a shape abnormality of a tool, such as detecting foreign substances such as cutting powder or dust attached to the tool.

Inventors:
Murofushi Isamu
Application Number:
JP2021043911A
Publication Date:
August 23, 2023
Filing Date:
March 17, 2021
Export Citation:
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Assignee:
Shibaura Machinery Co., Ltd.
International Classes:
G01B11/24; B23Q17/09; B23Q17/24
Domestic Patent References:
JP2014169961A
JP2231509A
JP2012032344A
JP2016118475A
JP2017146174A
JP2016042066A
Foreign References:
WO2020174853A1
Attorney, Agent or Firm:
Hidekazu Miyoshi
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu