JPH0557046B2 - - Google Patents

Info

Publication number
JPH0557046B2
JPH0557046B2 JP58048723A JP4872383A JPH0557046B2 JP H0557046 B2 JPH0557046 B2 JP H0557046B2 JP 58048723 A JP58048723 A JP 58048723A JP 4872383 A JP4872383 A JP 4872383A JP H0557046 B2 JPH0557046 B2 JP H0557046B2
Authority
JP
Japan
Prior art keywords
workpiece
bending
angle
image sensor
ram
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 - Lifetime
Application number
JP58048723A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59174221A (ja
Inventor
Tetsuya Narisawa
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP4872383A priority Critical patent/JPS59174221A/ja
Publication of JPS59174221A publication Critical patent/JPS59174221A/ja
Publication of JPH0557046B2 publication Critical patent/JPH0557046B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/006—Bending sheet metal along straight lines, e.g. to form simple curves combined with measuring of bends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
JP4872383A 1983-03-25 1983-03-25 折曲げ機の曲げ角度検出装置 Granted JPS59174221A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4872383A JPS59174221A (ja) 1983-03-25 1983-03-25 折曲げ機の曲げ角度検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4872383A JPS59174221A (ja) 1983-03-25 1983-03-25 折曲げ機の曲げ角度検出装置

Publications (2)

Publication Number Publication Date
JPS59174221A JPS59174221A (ja) 1984-10-02
JPH0557046B2 true JPH0557046B2 (enrdf_load_stackoverflow) 1993-08-23

Family

ID=12811208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4872383A Granted JPS59174221A (ja) 1983-03-25 1983-03-25 折曲げ機の曲げ角度検出装置

Country Status (1)

Country Link
JP (1) JPS59174221A (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0818070B2 (ja) * 1986-08-13 1996-02-28 株式会社アマダ 折曲げ機械の下型装置
JPH0713847Y2 (ja) * 1990-02-16 1995-04-05 株式会社小松製作所 プレスブレーキの曲げ角度検出装置
JP2680460B2 (ja) * 1990-03-09 1997-11-19 株式会社アマダ 折曲機の角度計測装置
US5531087A (en) * 1990-10-05 1996-07-02 Kabushiki Kaisha Komatsu Seisakusho Metal sheet bending machine
WO1992005892A1 (en) * 1990-10-05 1992-04-16 Komatsu Ltd. Metal sheet bending machine
JP2641829B2 (ja) * 1992-11-10 1997-08-20 株式会社小松製作所 曲げ加工機における曲げ角度検出装置
EP0752290B1 (en) * 1994-03-29 2001-10-24 Komatsu Ltd. Automatic mold bending corner depth amount compensating method
JP3431049B2 (ja) * 1995-04-27 2003-07-28 株式会社小松製作所 曲げ加工機
DE19521369C2 (de) * 1995-06-12 2000-06-29 Trumpf Gmbh & Co Bearbeitungsmaschine zum Umformen von Werkstücken
NL1004820C2 (nl) * 1996-12-18 1997-12-23 Delem B V Werkwijze voor het besturen van een buigpers en buigpers voorzien van besturingsmiddelen voor het besturen van de buigpers volgens de werkwijze.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55124002A (en) * 1979-03-17 1980-09-24 Tokyo Optical Co Ltd Optical position detector
JPH0329686Y2 (enrdf_load_stackoverflow) * 1980-04-21 1991-06-25

Also Published As

Publication number Publication date
JPS59174221A (ja) 1984-10-02

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