JPS57137089A - Control method for welding state - Google Patents

Control method for welding state

Info

Publication number
JPS57137089A
JPS57137089A JP56021925A JP2192581A JPS57137089A JP S57137089 A JPS57137089 A JP S57137089A JP 56021925 A JP56021925 A JP 56021925A JP 2192581 A JP2192581 A JP 2192581A JP S57137089 A JPS57137089 A JP S57137089A
Authority
JP
Japan
Prior art keywords
reflected
light
detection
melt
photodetectors
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
JP56021925A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0228433B2 (enrdf_load_stackoverflow
Inventor
Taisuke Shimoi
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 JP56021925A priority Critical patent/JPS57137089A/ja
Publication of JPS57137089A publication Critical patent/JPS57137089A/ja
Publication of JPH0228433B2 publication Critical patent/JPH0228433B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
JP56021925A 1981-02-17 1981-02-17 Control method for welding state Granted JPS57137089A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56021925A JPS57137089A (en) 1981-02-17 1981-02-17 Control method for welding state

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56021925A JPS57137089A (en) 1981-02-17 1981-02-17 Control method for welding state

Publications (2)

Publication Number Publication Date
JPS57137089A true JPS57137089A (en) 1982-08-24
JPH0228433B2 JPH0228433B2 (enrdf_load_stackoverflow) 1990-06-25

Family

ID=12068640

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56021925A Granted JPS57137089A (en) 1981-02-17 1981-02-17 Control method for welding state

Country Status (1)

Country Link
JP (1) JPS57137089A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61286081A (ja) * 1985-06-13 1986-12-16 Toshiba Corp レ−ザ−溶接方法
JPS6483390A (en) * 1987-09-24 1989-03-29 Nec Corp Laser beam machine
US20090032512A1 (en) * 2005-03-07 2009-02-05 Boris Regaard Method for Measuring Phase Boundaries of a Material During Machining With a Machining Beam Using Additional Illumination Radiation and an Automated Image Processing Algorithm, and Associated Device
CN106181144A (zh) * 2016-07-13 2016-12-07 广东工业大学 一种凹面型焊道位置的检测方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144393A (en) * 1979-04-25 1980-11-11 Westinghouse Electric Corp Method of observing welding portion

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144393A (en) * 1979-04-25 1980-11-11 Westinghouse Electric Corp Method of observing welding portion

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61286081A (ja) * 1985-06-13 1986-12-16 Toshiba Corp レ−ザ−溶接方法
JPS6483390A (en) * 1987-09-24 1989-03-29 Nec Corp Laser beam machine
US20090032512A1 (en) * 2005-03-07 2009-02-05 Boris Regaard Method for Measuring Phase Boundaries of a Material During Machining With a Machining Beam Using Additional Illumination Radiation and an Automated Image Processing Algorithm, and Associated Device
US8207471B2 (en) * 2005-03-07 2012-06-26 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Method for measuring phase boundaries of a material during machining with a machining beam using additional illumination radiation and an automated image processing algorithm, and associated device
CN106181144A (zh) * 2016-07-13 2016-12-07 广东工业大学 一种凹面型焊道位置的检测方法

Also Published As

Publication number Publication date
JPH0228433B2 (enrdf_load_stackoverflow) 1990-06-25

Similar Documents

Publication Publication Date Title
JPS57161641A (en) Inspecting device for defect of surface
KR960005213B1 (ko) 레이저 비임에 의한 가공방법 및 장치
JPS57137089A (en) Control method for welding state
JPS57193289A (en) Method and device for cutting of tubular body by laser beam
JPS54116357A (en) Processing apparatus by laser
JPS57160590A (en) Welding method for contact point
JPS56153325A (en) Automatic focus controller of camera
JPS6413514A (en) Method for detecting state of light beam in scan type optical device
JPS564386A (en) Electron beam welding method and its device
JPS6462218A (en) Method for detecting welding point of metal strip
Fischer et al. Praezisionsbearbeitung mit Festkoerper-Lasern(Fuegen). Teilprojekt: Laserstrahlschweissen von Sonderwerkstoffen. Abschlussbericht.(Precision treatment by solid state lasers(joining). Subproject: laser beam welding of special materials. Final report)
JPS56114011A (en) Automatic stopping device for truck at fixed position
JPS57171581A (en) Automatic controlling method for welding
JPS6466088A (en) Method for adjusting focus position of laser beam machine
JPS6428512A (en) Surface defect detecting device
JPS54101738A (en) Positioning method for article
JPS5483885A (en) Surface inspector
JPS6422488A (en) Laser beam welding method
Nomura et al. Development of Multi-Pass MAG Arc Welding System. II. Automatic Real-Time Bead Height Control With Arc Sensor
Ziller Laser Beam Welding as a Function of the Spatial and Transient Distribution of the Beam
JPS57181768A (en) Fault detection for welding torch in automatic welding device
JPS6466504A (en) Judgement of bend for existing pipeline
JPS5257594A (en) Apparatus for cutting woven glass fiber by fusing with laser
JPS56126745A (en) Automatic inspecting device for surface of plate material
Carstens et al. Laser Pipe Welding System for Nonstationary Pipe