JPS5429175A - Device for detecting breakage in tool - Google Patents

Device for detecting breakage in tool

Info

Publication number
JPS5429175A
JPS5429175A JP9418877A JP9418877A JPS5429175A JP S5429175 A JPS5429175 A JP S5429175A JP 9418877 A JP9418877 A JP 9418877A JP 9418877 A JP9418877 A JP 9418877A JP S5429175 A JPS5429175 A JP S5429175A
Authority
JP
Japan
Prior art keywords
tool
detecting breakage
breakage
detecting
stopping
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
JP9418877A
Other languages
Japanese (ja)
Inventor
Keiji Toyomi
Masao Oi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9418877A priority Critical patent/JPS5429175A/en
Publication of JPS5429175A publication Critical patent/JPS5429175A/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
    • 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
    • B23Q17/0947—Monitoring devices for measuring cutting angles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Sensing Apparatuses (AREA)

Abstract

PURPOSE:To provide a device for detecting breakage in a tool, which can directly measure changes in the shape of a processed surface to find breakage in the tool to give an instruction of stopping, when the tool is in an abnormal condition, to a NC machine.
JP9418877A 1977-08-08 1977-08-08 Device for detecting breakage in tool Pending JPS5429175A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9418877A JPS5429175A (en) 1977-08-08 1977-08-08 Device for detecting breakage in tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9418877A JPS5429175A (en) 1977-08-08 1977-08-08 Device for detecting breakage in tool

Publications (1)

Publication Number Publication Date
JPS5429175A true JPS5429175A (en) 1979-03-05

Family

ID=14103321

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9418877A Pending JPS5429175A (en) 1977-08-08 1977-08-08 Device for detecting breakage in tool

Country Status (1)

Country Link
JP (1) JPS5429175A (en)

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