JP2010058157A5 - - Google Patents

Download PDF

Info

Publication number
JP2010058157A5
JP2010058157A5 JP2008228309A JP2008228309A JP2010058157A5 JP 2010058157 A5 JP2010058157 A5 JP 2010058157A5 JP 2008228309 A JP2008228309 A JP 2008228309A JP 2008228309 A JP2008228309 A JP 2008228309A JP 2010058157 A5 JP2010058157 A5 JP 2010058157A5
Authority
JP
Japan
Prior art keywords
metal material
pressure
gas chamber
laser
welding
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
JP2008228309A
Other languages
Japanese (ja)
Other versions
JP4721019B2 (en
JP2010058157A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2008228309A priority Critical patent/JP4721019B2/en
Priority claimed from JP2008228309A external-priority patent/JP4721019B2/en
Publication of JP2010058157A publication Critical patent/JP2010058157A/en
Publication of JP2010058157A5 publication Critical patent/JP2010058157A5/ja
Application granted granted Critical
Publication of JP4721019B2 publication Critical patent/JP4721019B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (3)

先端に当接封鎖部材を具えるレ−ザ光照射ノズルをこの当接封鎖部材を重ね合わせた金属材の表面に押付けて内部に封鎖ガス室を形成する一方、この封鎖ガス室を経てレ−ザ光を前記金属材の表面上の溶接すべき溶接点に照射して溶接する際に、
溶接に先立って前記当接封鎖部材を押付けて形成される前記封鎖ガス室に封鎖ガスを噴射充満させ、この封鎖ガスの圧力が所定値若しくはそれ以上に達したときにレ−ザ光出射ユニットから出射したレ−ザビ−ムを前記封鎖ガス室を経て前記レーザ光照射ノズルから照射し、
加圧シリンダにより前記当接封鎖部材で前記金属材を押圧して溶接し、
前記レーザ光照射ノズルのハウジングの先端近傍に設けた排出孔から、前記封鎖ガスとともに溶接時に発生するヒュームや溶融ガスを排出し、
前記レーザ光照射ノズルの外部において、前記封鎖ガス室内の圧力を検出することを特徴とする金属材料のレ−ザスポット溶接方法。 Les comprising a contact sealing member at the distal end - while forming a sealed gas chamber therein a laser light irradiation nozzle is pressed against the surface of the contact closure member the superposed metal material, les through the blockade gas chamber -When the welding is performed by irradiating the welding point on the surface of the metal material to be welded,
Prior to welding, the sealing gas chamber formed by pressing the contact sealing member is injected and filled with sealing gas, and when the pressure of the sealing gas reaches a predetermined value or more, the laser light emitting unit The emitted laser beam is irradiated from the laser light irradiation nozzle through the sealing gas chamber,
Pressing and welding the metal material with the contact sealing member by a pressure cylinder ,
From the discharge hole provided near the tip of the housing of the laser light irradiation nozzle, the fumes and molten gas generated during welding are discharged together with the sealing gas,
A laser spot welding method for a metal material , wherein the pressure in the sealed gas chamber is detected outside the laser light irradiation nozzle . 前記所定値を大気圧とし、前記封鎖ガス室内の圧力を大気圧若しくはそれ以上に保つことを特徴とする請求項１記載の金属材料のレ−ザスポット溶接方法。   2. The laser spot welding method for a metal material according to claim 1, wherein the predetermined value is an atmospheric pressure, and the pressure in the sealed gas chamber is maintained at an atmospheric pressure or higher. 前記レ−ザビ−ム通路内の圧力変化を連続的に測定し、この圧力変化により溶接中における前記レ−ザ照射ノズルからのヒュ−ム、溶融ガス、レ−ザビ−ムのもれを検出することを特徴とする請求項１記載の金属材料のレ−ザスポット溶接方法。   The pressure change in the laser beam passage is continuously measured, and this pressure change detects fumes, molten gas, and laser beam leakage from the laser irradiation nozzle during welding. A laser spot welding method for a metal material according to claim 1.
JP2008228309A 2008-09-05 2008-09-05 Laser spot welding method of metal material Expired - Fee Related JP4721019B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008228309A JP4721019B2 (en) 2008-09-05 2008-09-05 Laser spot welding method of metal material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008228309A JP4721019B2 (en) 2008-09-05 2008-09-05 Laser spot welding method of metal material

Publications (3)

Publication Number Publication Date
JP2010058157A JP2010058157A (en) 2010-03-18
JP2010058157A5 true JP2010058157A5 (en) 2010-09-24
JP4721019B2 JP4721019B2 (en) 2011-07-13

Family

ID=42185557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008228309A Expired - Fee Related JP4721019B2 (en) 2008-09-05 2008-09-05 Laser spot welding method of metal material

Country Status (1)

Country Link
JP (1) JP4721019B2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5278883B2 (en) * 2011-09-08 2013-09-04 株式会社向洋技研 Laser spot welding method
CN103194750B (en) * 2013-04-12 2015-11-18 浙江大学宁波理工学院 A kind of die surface laser molten note localised biomimetic enhancement method
CN103710701B (en) * 2013-09-23 2016-08-24 浙江大学宁波理工学院 A kind of metal failure surface laser molten note auxiliary coaxial powder-feeding bionics prosthesis method and apparatus
CN103710697B (en) * 2013-09-23 2016-08-24 浙江大学宁波理工学院 A kind of turbine blade surface local laser is molten notes bionic reinforced method and apparatus
CN103710698B (en) * 2013-09-23 2016-04-13 浙江大学宁波理工学院 A kind of coaxial wire feed auxiliary laser molten note die surface coupling bionics prosthesis method in light
CN103710699B (en) * 2013-09-23 2016-08-24 浙江大学宁波理工学院 A kind of roller surface local laser is molten notes bionic reinforced method and apparatus
CN103710696B (en) * 2013-09-23 2016-03-16 浙江大学宁波理工学院 The bionic reinforced method and apparatus of the molten note of a kind of motor-car rail surface laser

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63203291A (en) * 1987-02-20 1988-08-23 Mitsubishi Electric Corp Laser beam machine
JPS645696A (en) * 1987-06-27 1989-01-10 Amada Co Ltd Laser beam cutting method and nozzle to be used for said cutting method
JP2003205379A (en) * 2002-01-15 2003-07-22 Miyachi Technos Corp Method of laser welding and emitting device for laser welding
JP2008068305A (en) * 2006-09-15 2008-03-27 Mitsubishi Electric Corp Laser machining method and laser machining device

Similar Documents

Publication Publication Date Title
JP2010058157A5 (en)
JP5234471B2 (en) Laser welding apparatus and laser welding method
JP5276699B2 (en) Laser processing method and laser processing apparatus for piercing
WO2010131298A1 (en) Method of laser-welding and method of manufacturig battery including the same
JP2010541162A5 (en)
RU2015121757A (en) METHOD FOR HYBRID LASER / ARC WELDING AND USING ITS METHOD FOR MAKING A WELDED PRODUCT
WO2008123343A1 (en) Spark plug manufacturing method
JP2007169777A5 (en)
WO2009099463A3 (en) Plasma arc torch cutting component with optimized water cooling
US6548782B2 (en) Overlay control for laser peening
JP4721019B2 (en) Laser spot welding method of metal material
DE502005005376D1 (en) Method for welding a metal foil with a cylindrical metal pin
JP6372797B2 (en) Laser welding nozzle
EP1486314B8 (en) Laser-welded assembly and method for producing it
JP2014198345A5 (en)
JP2011056546A (en) Plasma torch; method for plasma arc welding
JP2013169565A (en) Structure and method of laser-welding bonding, and high pressure fuel supply pump having structure of laser-welding bonding
JP2007229757A (en) Underwater repair welding method
JP4804512B2 (en) Illuminated nozzle
JP2008049362A (en) Laser beam welding method of galvanized steel sheet
JP2016524460A5 (en)
DE502006005845D1 (en) Device for preventing contamination on a component surface adjacent to a weld by welding splatter generated in MSG welding with a shield movable relative to the welding torch
KR101419879B1 (en) Apparatus and method for manufacturing tube
JP2008522835A5 (en)
JP2015077779A (en) Method and apparatus for producing resin welded body