DE2966806D1 - Method and apparatus for detecting tool breakage, for example in a numerically-controlled machine tool - Google Patents

Method and apparatus for detecting tool breakage, for example in a numerically-controlled machine tool

Info

Publication number
DE2966806D1
DE2966806D1 DE7979302647T DE2966806T DE2966806D1 DE 2966806 D1 DE2966806 D1 DE 2966806D1 DE 7979302647 T DE7979302647 T DE 7979302647T DE 2966806 T DE2966806 T DE 2966806T DE 2966806 D1 DE2966806 D1 DE 2966806D1
Authority
DE
Germany
Prior art keywords
numerically
controlled machine
machine tool
breakage
tool
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE7979302647T
Other languages
English (en)
Inventor
Toshio Sata
Katsumori Matsushima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fanuc Corp
Original Assignee
Fanuc Corp
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 Fanuc Corp filed Critical Fanuc Corp
Application granted granted Critical
Publication of DE2966806D1 publication Critical patent/DE2966806D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B23Q17/0904—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 before or after machining
    • B23Q17/0919—Arrangements for measuring or adjusting cutting-tool geometry in presetting devices
    • B23Q17/0928—Cutting angles of lathe 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
    • 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
    • B23Q17/0957—Detection of tool breakage
    • 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
    • G05B2219/37245—Breakage tool, failure
    • 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
    • G05B2219/37536—Rate of change, derivative

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Numerical Control (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
DE7979302647T 1978-11-21 1979-11-20 Method and apparatus for detecting tool breakage, for example in a numerically-controlled machine tool Expired DE2966806D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14361778A JPS5570541A (en) 1978-11-21 1978-11-21 System for detecting damage of tool

Publications (1)

Publication Number Publication Date
DE2966806D1 true DE2966806D1 (en) 1984-04-19

Family

ID=15342902

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979302647T Expired DE2966806D1 (en) 1978-11-21 1979-11-20 Method and apparatus for detecting tool breakage, for example in a numerically-controlled machine tool

Country Status (4)

Country Link
US (1) US4326257A (de)
EP (1) EP0012528B1 (de)
JP (1) JPS5570541A (de)
DE (1) DE2966806D1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2075875B (en) * 1980-03-27 1983-09-28 Komatsu Mfg Co Ltd Method and device for detecting tool abnormality in machine tools
JPS5731003A (en) * 1980-08-01 1982-02-19 Fanuc Ltd Numerical control system
DE3043827A1 (de) * 1980-11-20 1982-06-03 Gildemeister Ag, 4800 Bielefeld Verfahren und vorrichtung zum ueberwachen der bearbeitungsbedinungen an einer werkzeugmaschine
DE3136433A1 (de) * 1981-09-14 1983-03-31 Klaus Prof. Dr.-Ing. 4006 Erkrath Brankamp Verfahren zum feststellen und erkennen von abweichungen zyklisch wiederkehrender vorgaenge zum umformen von werkstuecken von einem normalverlauf
US4471444A (en) * 1982-04-02 1984-09-11 The United States Of America As Represented By The Secretary Of Commerce Rotating tool wear monitoring apparatus
US4536849A (en) * 1982-09-08 1985-08-20 Cincinnati Milacron Inc. Machine operation monitor
US4551808A (en) * 1983-03-30 1985-11-05 Eaton Corporation Tool wear sensors
US4564910A (en) * 1983-04-25 1986-01-14 Eaton Corporation Method and algorithms therefore for monitoring the performance of a tool and modifying the feed rate thereof
US4564911A (en) * 1983-04-25 1986-01-14 Eaton Corporation Method of monitoring a cutting tool by recognizing a sensed deviation in a mathematically smoothed function of force
KR900007293B1 (ko) * 1984-05-18 1990-10-08 다데이시 덴기 가부시기가이샤 공구 감시시스템
US4694686A (en) * 1984-06-18 1987-09-22 Borg-Warner Corporation Cutting tool wear monitor
US4786220A (en) * 1984-06-18 1988-11-22 Borg-Warner Corporation Cutting tool wear monitor
US4704693A (en) * 1985-06-28 1987-11-03 General Electric Company Acoustic tool touch detector with minimized detection delay
EP0252201B1 (de) * 1986-06-05 1989-07-26 GFM Gesellschaft für Fertigungstechnik und Maschinenbau Gesellschaft m.b.H. Verfahren und Vorrichtung zum Erkennen von Schneiden- und Messerplättchenschäden an Fräsern
EP0249675B1 (de) * 1986-06-05 1989-07-26 GFM Gesellschaft für Fertigungstechnik und Maschinenbau Gesellschaft m.b.H. Verfahren und Vorrichtung zum Erkennen einer Schneiden- oder Messerplättchenabnützung an Fräsern
US4794535A (en) * 1986-08-18 1988-12-27 Automated Decisions, Inc. Method for determining economic drill bit utilization
DE3639917A1 (de) * 1986-11-22 1988-06-01 Krupp Gmbh Vorrichtung zur frueherkennung von schneidenbruechen und grenzverschleiss von werkzeugen zur spanabhebenden bearbeitung
US4853680A (en) * 1988-01-12 1989-08-01 General Electric Company Groove cutting tool break event detecting method and system
US4831365A (en) * 1988-02-05 1989-05-16 General Electric Company Cutting tool wear detection apparatus and method
JPH0747171B2 (ja) * 1988-09-20 1995-05-24 株式会社東芝 圧延機の設定方法および装置
DE19540620A1 (de) * 1995-10-31 1997-05-07 Marantec Antrieb Steuerung Überwachung der Bewegung eines antreibbaren, ein- oder mehrteiligen Tür- oder Torblattes
US6604013B1 (en) * 2000-10-11 2003-08-05 Ford Motor Company Tool failure detection utilizing frequency derived, pre-characterization templates
US7010386B2 (en) * 2002-03-22 2006-03-07 Mcdonnell Ryan P Tool wear monitoring system
EP2476511B1 (de) * 2011-01-14 2013-03-27 ARTIS GmbH Vorrichtung und Verfahren zum Überwachen einer Werkzeugmaschine
TWI591059B (zh) 2011-08-25 2017-07-11 半導體能源研究所股份有限公司 發光元件，發光裝置，電子裝置，照明裝置以及新穎有機化合物

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694637A (en) * 1970-10-22 1972-09-26 Interactive Systems Method and apparatus for detecting tool wear
JPS5235154B2 (de) * 1972-03-23 1977-09-07
JPS4849088A (de) * 1971-10-22 1973-07-11
US3841149A (en) * 1973-01-08 1974-10-15 Interactive Systems Tool wear detector
US3848115A (en) * 1973-10-19 1974-11-12 Time Date Corp Vibration control system
US3836834A (en) * 1973-11-13 1974-09-17 Atomic Energy Commission Machine protection system
US3882305A (en) * 1974-01-15 1975-05-06 Kearney & Trecker Corp Diagnostic communication system for computer controlled machine tools
JPS50110171A (de) * 1974-02-09 1975-08-29
US3872285A (en) * 1974-05-31 1975-03-18 Westinghouse Electric Corp Control system for sensing the vibration and lateral force on a cutting tool
US4087801A (en) * 1974-12-20 1978-05-02 Tokyo Shibaura Electric Co., Ltd. Apparatus for detecting damages of cutting tools
JPS593097B2 (ja) * 1975-10-13 1984-01-23 株式会社日立製作所 キキイジヨウケンチソウチ
US4176396A (en) * 1977-09-23 1979-11-27 The Charles Stark Draper Laboratory, Inc. Apparatus for directly measuring machine tool wear

Also Published As

Publication number Publication date
JPS6246299B2 (de) 1987-10-01
US4326257A (en) 1982-04-20
EP0012528B1 (de) 1984-03-14
EP0012528A1 (de) 1980-06-25
JPS5570541A (en) 1980-05-28

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