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Remote laser welding with in-line adaptive 3D seam tracking
ID Kos, Matjaž (Author), ID Arko, Erih (Author), ID Kosler, Hubert (Author), ID Jezeršek, Matija (Author)

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Abstract
Remote laser welding systems can usually focus a laser beam to diameters of 0.1 mm. Therefore, high quality clamping and precise teaching is needed in order to achieve appropriate process tolerance for a sound weld. This brings reservation in the field of small series and user-customized manufacturing, where product individualization requires flexible and adaptive systems as workpiece geometry is not exact due to manufacturing tolerances and thermal deformations during welding. The preparation for welding is therefore often time-consuming. To solve this, we have developed an innovative system, which enables in-line adaptive 3D seam tracking. The system consists of an industrial robot (Yaskawa MC2000), a scanning head (HighYag RLSK; working area 200 mm x 300 mm x 200 mm) with optical triangulation feedback and a fiber laser (IPG, YRL-400-AC; 400 W). A feed-forward loop was used to achieve positioning accuracy of under 0.05 mm during on-the-fly welding. Experimental results show that between welding speeds of 25 and 150 cm/min, average tracking deviations are 0.043 mm and 0.276 mm in y and z directions, respectively. Moreover, teaching times for a specified seam can be shortened for more than 10 times due to the fact that only rough seam teaching is required. The proposed system configuration could be adapted to other classical welding processes.

Language:English
Keywords:remote laser welding, in-line 3D adaptive laser beam positioning, easy teaching, triangulation feedback
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Publication status:Published
Publication version:Version of Record
Submitted for review:12.12.2018
Article acceptance date:13.05.2019
Publication date:30.05.2019
Year:2019
Number of pages:Str. 4577-4586
Numbering:Vol. 103, iss. 9/12
PID:20.500.12556/RUL-127283 This link opens in a new window
UDC:621.791.725(045)
ISSN on article:0268-3768
DOI:10.1007/s00170-019-03875-z This link opens in a new window
COBISS.SI-ID:16645659 This link opens in a new window
Publication date in RUL:02.06.2021
Views:1187
Downloads:281
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Record is a part of a journal

Title:International journal of advanced manufacturing technology
Shortened title:Int. j. adv. manuf. technol.
Publisher:Springer Nature
ISSN:0268-3768
COBISS.SI-ID:25636352 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:30.05.2019

Secondary language

Language:Slovenian
Keywords:daljinsko lasersko varjenje, sočasno 3D adaptivno pozicioniranje laserskega snopa, enostavno učenje, triangulacijska zanka

Projects

Funder:Other - Other funder or multiple funders
Funding programme:Slovenia
Project number:C3330-16-529000
Acronym:GOSTOP

Funder:EC - European Commission
Funding programme:EU, ERDF
Project number:C3330-16-529000
Acronym:GOSTOP

Funder:ARRS - Slovenian Research Agency
Project number:P2-0392
Name:Optodinamika

Funder:ARRS - Slovenian Research Agency
Project number:P2-0270
Name:Proizvodni sistemi, laserske tehnologije in spajanje materialov

Funder:ARRS - Slovenian Research Agency
Project number:L2-8183
Name:VISOKO PRILAGODLJIVI VLAKENSKI LASERJI VELIKIH MOČI ZA UPORABO V INDUSTRIJI

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