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JPS5615949A - Sensor for abnormal operation of cutting tool of machine tool - Google Patents

Sensor for abnormal operation of cutting tool of machine tool

Info

Publication number
JPS5615949A
JPS5615949A JP8793879A JP8793879A JPS5615949A JP S5615949 A JPS5615949 A JP S5615949A JP 8793879 A JP8793879 A JP 8793879A JP 8793879 A JP8793879 A JP 8793879A JP S5615949 A JPS5615949 A JP S5615949A
Authority
JP
Japan
Prior art keywords
drill bit
pressing force
section
displacement
abnormal 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.)
Granted
Application number
JP8793879A
Other languages
Japanese (ja)
Other versions
JPS6055256B2 (en
Inventor
Tadashi Umoto
Keisuke Sakikubo
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.)
Akashi Seisakusho KK
Original Assignee
Akashi Seisakusho KK
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 Akashi Seisakusho KK filed Critical Akashi Seisakusho KK
Priority to JP8793879A priority Critical patent/JPS6055256B2/en
Publication of JPS5615949A publication Critical patent/JPS5615949A/en
Publication of JPS6055256B2 publication Critical patent/JPS6055256B2/en
Expired 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

Landscapes

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

Abstract

PURPOSE:To sense the abnormal operation of the cutting tool by detecting the pressing force in the forward movement of the tool driving member and the cutting tool displacement in the forward movement of it. CONSTITUTION:Marks X1-X5 represent the displacement of a drill bit 1 from a reference position, and marks P1-P5 the pressing force of the drill bit 1 at given displacement positions. For example, when the displacement section of the drill bit 1 is X2<X<X3, the normal pressing force in the section is P2 in FIG.(a). However, when the drill bit 1 is broken as shown in FIG.(b), the pressing force in the section is P1(<P2). Moreover, when the drill bit 1 is in an abnormal condition as shown in FIG.(c), the pressing force in the section is P5(>P1). Consequently, in this case, when the pressing force is not equal or almost equal to P2 in the specific displacement section (X2<X<X3), the drill bit 1 is found to be in an abnormal operation condition.
JP8793879A 1979-07-10 1979-07-10 Abnormal operation detection device for cutlery in machine tools Expired JPS6055256B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8793879A JPS6055256B2 (en) 1979-07-10 1979-07-10 Abnormal operation detection device for cutlery in machine tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8793879A JPS6055256B2 (en) 1979-07-10 1979-07-10 Abnormal operation detection device for cutlery in machine tools

Publications (2)

Publication Number Publication Date
JPS5615949A true JPS5615949A (en) 1981-02-16
JPS6055256B2 JPS6055256B2 (en) 1985-12-04

Family

ID=13928838

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8793879A Expired JPS6055256B2 (en) 1979-07-10 1979-07-10 Abnormal operation detection device for cutlery in machine tools

Country Status (1)

Country Link
JP (1) JPS6055256B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0326348U (en) * 1989-07-20 1991-03-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0326348U (en) * 1989-07-20 1991-03-18

Also Published As

Publication number Publication date
JPS6055256B2 (en) 1985-12-04

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