GB2133881B - Apparatus for monitoring tool life - Google Patents

Apparatus for monitoring tool life

Info

Publication number
GB2133881B
GB2133881B GB08400692A GB8400692A GB2133881B GB 2133881 B GB2133881 B GB 2133881B GB 08400692 A GB08400692 A GB 08400692A GB 8400692 A GB8400692 A GB 8400692A GB 2133881 B GB2133881 B GB 2133881B
Authority
GB
United Kingdom
Prior art keywords
tool life
monitoring tool
monitoring
life
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
GB08400692A
Other versions
GB2133881A (en
GB8400692D0 (en
Inventor
Arthur Ivan Walter Moore
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.)
PRODUCTION ENG RES
Original Assignee
PRODUCTION ENG RES
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
Priority claimed from GB838300792A external-priority patent/GB8300792D0/en
Application filed by PRODUCTION ENG RES filed Critical PRODUCTION ENG RES
Priority to GB08400692A priority Critical patent/GB2133881B/en
Publication of GB8400692D0 publication Critical patent/GB8400692D0/en
Publication of GB2133881A publication Critical patent/GB2133881A/en
Application granted granted Critical
Publication of GB2133881B publication Critical patent/GB2133881B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/58—Investigating machinability by cutting tools; Investigating the cutting ability of tools
    • 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
    • G05B2219/37004—Detect absence of 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
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/37—Measurements
    • G05B2219/37242—Tool signature, compare pattern with detected signal
    • 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
    • G05B2219/37432—Detected by accelerometer, piezo electric
    • 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
    • G05B2219/37433—Detected by acoustic emission, microphone
    • 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
    • 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
    • G05B2219/37493—Use of different frequency band pass filters to separate different signals
    • 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
    • G05B2219/37498—Variable amplification, gain for detected signal, select correct level range
    • 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
    • G05B2219/37544—Compare detected signal to several references to derive several control actions
    • 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
    • G05B2219/37545—References to be compared vary with evolution of measured signals, auto-calibrate
    • 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
    • G05B2219/50—Machine tool, machine tool null till machine tool work handling
    • G05B2219/50008—Multiple, multi tool head, parallel machining

Landscapes

  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Automation & Control Theory (AREA)
  • Automatic Control Of Machine Tools (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
GB08400692A 1983-01-12 1984-01-11 Apparatus for monitoring tool life Expired GB2133881B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08400692A GB2133881B (en) 1983-01-12 1984-01-11 Apparatus for monitoring tool life

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838300792A GB8300792D0 (en) 1983-01-12 1983-01-12 Monitoring tool life
GB08400692A GB2133881B (en) 1983-01-12 1984-01-11 Apparatus for monitoring tool life

Publications (3)

Publication Number Publication Date
GB8400692D0 GB8400692D0 (en) 1984-02-15
GB2133881A GB2133881A (en) 1984-08-01
GB2133881B true GB2133881B (en) 1986-06-25

Family

ID=26284903

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08400692A Expired GB2133881B (en) 1983-01-12 1984-01-11 Apparatus for monitoring tool life

Country Status (1)

Country Link
GB (1) GB2133881B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631683A (en) * 1984-08-29 1986-12-23 General Electric Company Acoustic detection of contact between cutting tool and workpiece
US4636780A (en) * 1984-10-24 1987-01-13 General Electric Company Acoustic monitoring of cutting conditions to detect tool break events
US4724524A (en) * 1985-06-12 1988-02-09 General Elec. Co. Vibration-sensing tool break and touch detector optimized for machining conditions
GB2179736B (en) * 1985-08-30 1989-10-18 Prad Res & Dev Nv Method of analyzing vibrations from a drilling bit in a borehole
GB2183037B (en) * 1985-11-14 1989-12-13 Rolls Royce Sensors for controlling processes or machines
US4764760A (en) * 1986-12-19 1988-08-16 General Electric Company Automatic gain control for machine tool monitor
US4806914A (en) * 1987-05-07 1989-02-21 General Electric Company Detection by automatic gain control features of gradual cutting tool breakage
US5448911A (en) * 1993-02-18 1995-09-12 Baker Hughes Incorporated Method and apparatus for detecting impending sticking of a drillstring

Also Published As

Publication number Publication date
GB2133881A (en) 1984-08-01
GB8400692D0 (en) 1984-02-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee