JPS51118182A - Device of detecting abnormal condition of machine tool - Google Patents

Device of detecting abnormal condition of machine tool

Info

Publication number
JPS51118182A
JPS51118182A JP4356075A JP4356075A JPS51118182A JP S51118182 A JPS51118182 A JP S51118182A JP 4356075 A JP4356075 A JP 4356075A JP 4356075 A JP4356075 A JP 4356075A JP S51118182 A JPS51118182 A JP S51118182A
Authority
JP
Japan
Prior art keywords
abnormal condition
machine tool
detecting abnormal
condition
cutting operation
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.)
Pending
Application number
JP4356075A
Other languages
Japanese (ja)
Inventor
Akihiko No
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP4356075A priority Critical patent/JPS51118182A/en
Priority to US05/641,340 priority patent/US4087801A/en
Priority to CH1644575A priority patent/CH591691A5/xx
Priority to DE2557428A priority patent/DE2557428C2/en
Publication of JPS51118182A publication Critical patent/JPS51118182A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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—Program-control systems
    • G05B19/02—Program-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 program 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 program data in numerical form characterised by monitoring or safety
    • G05B19/4065—Monitoring tool breakage, life or condition

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)
  • Machine Tool Sensing Apparatuses (AREA)

Abstract

PURPOSE:To detect abnormal condition in cutting operation based on the change of compared values, by detecting change of cutting condition by means of a detector, and comparing the detected signal with the data obtained under normal cutting operation.
JP4356075A 1974-12-20 1975-04-10 Device of detecting abnormal condition of machine tool Pending JPS51118182A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4356075A JPS51118182A (en) 1975-04-10 1975-04-10 Device of detecting abnormal condition of machine tool
US05/641,340 US4087801A (en) 1974-12-20 1975-12-16 Apparatus for detecting damages of cutting tools
CH1644575A CH591691A5 (en) 1974-12-20 1975-12-18
DE2557428A DE2557428C2 (en) 1974-12-20 1975-12-19 Device for detecting damage to a cutting tool of a machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4356075A JPS51118182A (en) 1975-04-10 1975-04-10 Device of detecting abnormal condition of machine tool

Publications (1)

Publication Number Publication Date
JPS51118182A true JPS51118182A (en) 1976-10-16

Family

ID=12667120

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4356075A Pending JPS51118182A (en) 1974-12-20 1975-04-10 Device of detecting abnormal condition of machine tool

Country Status (1)

Country Link
JP (1) JPS51118182A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5295386A (en) * 1976-02-06 1977-08-10 Niigata Eng Co Ltd Method for detection of the accidents and supervision of the machine t ool
JPS5432885A (en) * 1977-08-18 1979-03-10 Niigata Eng Co Ltd Method of observing wear of tool in automatic machine tools

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5295386A (en) * 1976-02-06 1977-08-10 Niigata Eng Co Ltd Method for detection of the accidents and supervision of the machine t ool
JPS5432885A (en) * 1977-08-18 1979-03-10 Niigata Eng Co Ltd Method of observing wear of tool in automatic machine tools

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