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Title:
METHOD AND SYSTEM FOR MONITORING WORKING STATE OF WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2021/075584
Kind Code:
A1
Abstract:
The present invention comprises: a step for detecting working vibrations at the time of working; a step for obtaining a working frequency by analyzing the working vibrations using a Fourier series expansion; a step for dividing the working frequency into a tool passing frequency and a residual frequency; and a step for monitoring the working state by comparing the tool passing frequency and the residual frequency and displaying the results of the comparison.

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Inventors:
KOMAI YASUHIRO (JP)
Application Number:
PCT/JP2020/039804
Publication Date:
April 22, 2021
Filing Date:
October 15, 2020
Export Citation:
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Assignee:
NT ENGINEERING KK (JP)
International Classes:
B23Q17/12; B23Q15/12; B23Q17/09; G01M99/00; G05B19/18
Domestic Patent References:
WO2017069290A12017-04-27
WO2018062445A12018-04-05
Foreign References:
JP2018020426A2018-02-08
JP2014140918A2014-08-07
JP2016083759A2016-05-19
JP2012088967A2012-05-10
JP2012213851A2012-11-08
US20180209839A12018-07-26
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