WO2018062445A1 - Procédé et système de surveillance de vibrations de machine de travail - Google Patents

Procédé et système de surveillance de vibrations de machine de travail Download PDF

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Publication number
WO2018062445A1
WO2018062445A1 PCT/JP2017/035366 JP2017035366W WO2018062445A1 WO 2018062445 A1 WO2018062445 A1 WO 2018062445A1 JP 2017035366 W JP2017035366 W JP 2017035366W WO 2018062445 A1 WO2018062445 A1 WO 2018062445A1
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WO
WIPO (PCT)
Prior art keywords
harmonic
tpf
threshold value
peak
frequency
Prior art date
Application number
PCT/JP2017/035366
Other languages
English (en)
Japanese (ja)
Inventor
保宏 駒井
Original Assignee
エヌティーエンジニアリング株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by エヌティーエンジニアリング株式会社 filed Critical エヌティーエンジニアリング株式会社
Priority to DE112017004081.7T priority Critical patent/DE112017004081T5/de
Priority to CN201780058842.4A priority patent/CN109863376B/zh
Publication of WO2018062445A1 publication Critical patent/WO2018062445A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
    • B23Q17/0952—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining
    • B23Q17/0971—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining by measuring mechanical vibrations of parts of the machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/12—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring vibration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
    • G05B19/4065—Monitoring tool breakage, life or condition
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/37—Measurements
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/37—Measurements
    • G05B2219/37434—Measuring vibration of machine or workpiece or tool

Definitions

  • the present invention relates to a vibration monitoring method and system for a work machine that develops machining vibration detected during machining into a frequency spectrum composed of frequency and acceleration by Fourier series expansion.
  • the controller 30 includes an arithmetic unit (arithmetic mechanism) 38 that amplifies and takes in mechanical vibration (machining vibration) detected by the acceleration sensor 26 and / or the microphone 28 by an amplifier and filter circuit 36. Prepare.
  • the tool passing frequency (Tool-Passing-Frequency) at which the cutting edge comes into contact with the workpiece W is obtained from (rotational speed RPM / 60 of the spindle) ⁇ the number of teeth.
  • the tool passing frequency is 127 Hz (hereinafter referred to as TPF1).
  • the harmonic frequency twice (integer multiple) of TPF1 is 253 Hz (hereinafter referred to as TPF2)
  • the harmonic frequency three times (integer multiple) of TPF1 is 380 Hz (hereinafter referred to as TPF3).
  • the harmonic frequency four times (integer multiple) of TPF1 is 507 Hz (hereinafter referred to as TPF4).
  • the threshold value excess integration display unit 56 for example, in the frequency spectrum of vibration generated during machining by the cutter 22, when the vibration of the TPF 1 (TPF 1 peak) exceeds the threshold value set in the frequency spectrum display unit 52, The count-up value exceeding the threshold value is sent to the first display field 56 a of the threshold value exceeding display unit 56. In the first display field 56a, the count-up value of TPF1 is accumulated and displayed. Therefore, the graph displayed in the first display field 56a of the threshold value excess integration display unit 56 is cumulatively added each time a count-up value exceeding the threshold value of TPF1 is sent.
  • the vibration monitoring method and system when a workpiece is machined through a machining tool, the correlation between the number of peak occurrences at the tool passing frequency (TPF) and the number of peak occurrences at the harmonic frequency is observed. be able to. In a good machining state, the number of peak occurrences at the tool passing frequency becomes relatively significant, while in a poor machining state, the number of peak occurrences at the harmonic frequency increases with the tool passing frequency. For this reason, the quality determination of the machining state can be performed with high accuracy and efficiency from the change in the relationship between the two.
  • TPF tool passing frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Automation & Control Theory (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Automatic Control Of Machine Tools (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Numerical Control (AREA)

Abstract

L'invention concerne un procédé de surveillance de vibrations comprenant une étape consistant à afficher le nombre de fois où un pic de fréquence de passage d'outil (TPF), qui représente l'accélération de pic à une fréquence de passage d'outil, a dépassé une valeur de seuil de TPF dans une colonne d'affichage (56a) d'une partie d'affichage de croisement de seuil total (56), une étape consistant à afficher le nombre de fois où les pics de TPF d'harmoniques à des fréquences harmoniques ont dépassé des valeurs de seuil de TPF d'harmoniques dans des colonnes d'affichage (56b–56d) de la partie d'affichage de croisement de seuil total (56), et une étape consistant à afficher une comparaison du nombre de croisements de seuil de TPF et du nombre de croisements de seuil de TPF d'harmonique dans une partie d'affichage de variation (58).
PCT/JP2017/035366 2016-09-28 2017-09-22 Procédé et système de surveillance de vibrations de machine de travail WO2018062445A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112017004081.7T DE112017004081T5 (de) 2016-09-28 2017-09-22 Verfahren und System zur Schwingungsüberwachung zum Betreiben einer Maschine
CN201780058842.4A CN109863376B (zh) 2016-09-28 2017-09-22 用于作业机械的振动监测方法和系统

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016203922A JP6718107B2 (ja) 2016-09-28 2016-09-28 作業機械の振動監視方法及びシステム
JP2016-203922 2016-09-28

Publications (1)

Publication Number Publication Date
WO2018062445A1 true WO2018062445A1 (fr) 2018-04-05

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Application Number Title Priority Date Filing Date
PCT/JP2017/035366 WO2018062445A1 (fr) 2016-09-28 2017-09-22 Procédé et système de surveillance de vibrations de machine de travail

Country Status (4)

Country Link
JP (1) JP6718107B2 (fr)
CN (1) CN109863376B (fr)
DE (1) DE112017004081T5 (fr)
WO (1) WO2018062445A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021075584A1 (fr) * 2019-10-18 2021-04-22 エヌティーエンジニアリング株式会社 Procédé et système de surveillance de l'état de travail d'une machine de travail
CN114061922A (zh) * 2020-07-30 2022-02-18 宝山钢铁股份有限公司 基于振动数据的圆盘剪异常状况预警方法
CN114683508A (zh) * 2022-03-22 2022-07-01 杭州中祥通讯器材有限公司 一种带引线加强型通讯管材的制备工艺

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7353798B2 (ja) * 2018-05-29 2023-10-02 Tdk株式会社 予備加工装置、加工装置および加工状態検出装置
CN110539239A (zh) 2018-05-29 2019-12-06 Tdk株式会社 预备加工装置、加工装置及加工状态检测装置
JP7170510B2 (ja) * 2018-11-12 2022-11-14 オークマ株式会社 モニタリング装置及びモニタリング方法
JP7058210B2 (ja) * 2018-12-10 2022-04-21 Dmg森精機株式会社 工作機械、欠損検知方法、および欠損検知プログラム
CN110561195B (zh) * 2019-09-04 2020-09-25 清华大学深圳研究生院 一种机械加工过程中颤振的监测方法
US11344987B2 (en) 2019-09-04 2022-05-31 Tsinghua Shenzhen International Graduate School Method for monitoring chatter in machining process
JP6944103B2 (ja) * 2019-10-22 2021-10-06 エヌティーエンジニアリング株式会社 作業機械の加工状態監視方法及びシステム
JP2022064795A (ja) * 2020-10-14 2022-04-26 エヌティーエンジニアリング株式会社 作業機械の工具損傷判定方法及びシステム
KR102420874B1 (ko) * 2020-12-17 2022-07-15 한국생산기술연구원 셀프 피어싱 리벳 체결 품질의 모니터링 방법과 셀프 피어싱 리벳 체결 공정 및 이를 위한 설비 시스템
KR20230172233A (ko) 2022-06-15 2023-12-22 한국생산기술연구원 인공 신경망 기반 셀프 피어싱 리벳 체결 품질의 평가 방법 및 이를 위한 시스템

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JPS62193750A (ja) * 1986-02-19 1987-08-25 Ichiro Inazaki 多刃工具損傷検出装置
US20060188351A1 (en) * 2005-02-23 2006-08-24 Chung Yuan Christian University Computer assisted detecting and restraining systems for cutting tool chatter
WO2010116825A1 (fr) * 2009-04-10 2010-10-14 エヌティーエンジニアリング株式会社 Procédé et dispositif pour supprimer le broutement d'une machine de travail
JP2016083759A (ja) * 2014-10-28 2016-05-19 エヌティーエンジニアリング株式会社 作業機械の加工状態監視方法及びシステム
WO2017069290A1 (fr) * 2015-10-20 2017-04-27 エヌティーエンジニアリング株式会社 Procédé et système de surveillance de l'état de fonctionnement d'une machine opérationnelle

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US3733892A (en) * 1972-04-03 1973-05-22 Northrop Corp Synchronous vibrational analyzer for rotating machinery
US5847658A (en) * 1995-08-15 1998-12-08 Omron Corporation Vibration monitor and monitoring method
JP2006077938A (ja) * 2004-09-13 2006-03-23 Nsk Ltd 異常診断装置
JP2006113002A (ja) * 2004-10-18 2006-04-27 Nsk Ltd 機械設備の異常診断システム
CN101770218B (zh) * 2008-12-30 2012-11-21 西门子公司 一种数控机床状态监测方法和装置

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
JPS62193750A (ja) * 1986-02-19 1987-08-25 Ichiro Inazaki 多刃工具損傷検出装置
US20060188351A1 (en) * 2005-02-23 2006-08-24 Chung Yuan Christian University Computer assisted detecting and restraining systems for cutting tool chatter
WO2010116825A1 (fr) * 2009-04-10 2010-10-14 エヌティーエンジニアリング株式会社 Procédé et dispositif pour supprimer le broutement d'une machine de travail
JP2016083759A (ja) * 2014-10-28 2016-05-19 エヌティーエンジニアリング株式会社 作業機械の加工状態監視方法及びシステム
WO2017069290A1 (fr) * 2015-10-20 2017-04-27 エヌティーエンジニアリング株式会社 Procédé et système de surveillance de l'état de fonctionnement d'une machine opérationnelle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021075584A1 (fr) * 2019-10-18 2021-04-22 エヌティーエンジニアリング株式会社 Procédé et système de surveillance de l'état de travail d'une machine de travail
JP2021066006A (ja) * 2019-10-18 2021-04-30 エヌティーエンジニアリング株式会社 作業機械の加工状態監視方法及びシステム
CN114061922A (zh) * 2020-07-30 2022-02-18 宝山钢铁股份有限公司 基于振动数据的圆盘剪异常状况预警方法
CN114683508A (zh) * 2022-03-22 2022-07-01 杭州中祥通讯器材有限公司 一种带引线加强型通讯管材的制备工艺
CN114683508B (zh) * 2022-03-22 2022-11-08 杭州中祥通讯器材有限公司 一种带引线加强型通讯管材的制备工艺

Also Published As

Publication number Publication date
CN109863376B (zh) 2021-07-02
CN109863376A (zh) 2019-06-07
DE112017004081T5 (de) 2019-04-25
JP6718107B2 (ja) 2020-07-08
JP2018054587A (ja) 2018-04-05

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