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Design, development and evaluation of an orbital laser welding head

Objective

The introduction of laser welding for the manufacturing of heat exchangers and steam generators can introduce some improvements in the manufacturing process such as the increase of the welding speed and of the quality level. Furthermore the automation of the process, involving the use of the laser welding technology, would permit to reduce the time between welding operations.
Implementation of the laser welding process in industrial applications where orbital moving is needed involves the development of a special laser welding head. This is why a consortium of SMEs, consisting of companies with complementary expertises, have asked to LABOR, IWS-Fraunhofer and AIMEN to design and develop an orbital laser welding head for using in tube to sheet applications.
The ORBITAL system consists in the design, development and construction of a new laser welding head adapted to the specific requirements of the orbital laser welding process and tailored for tube-to-sheet joints used in the production of heat exchangers. The system will be developed in order to enhance the characteristics of the laser welding process: high-speed welding, real-time control, easy automation, data exchange, accuracy.
The ORBITAL laser welding system will be designed in order to satisfy the conditions of orbital welding applications, providing a good shielding gas atmosphere and a repeatable and robust positioning of the laser respect to the tubes to be welded thanks to a mechanical finger inserted in it.
In order to achieve the objectives, it will be necessary to develop the three following technical aspects: an optical path in order to focus the laser on the workpiece, an electro-mechanical system in order to move and control the speed and path of laser beam around the tube circumference with a high positioning accuracy, and a control system that will be able to control the different parameters of the welding head and all the laser installation in order to perform the welding process.

Call for proposal

FP7-SME-2010-1
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Coordinator

ASOCIACION DE INVESTIGACION METALURGICA DEL NOROESTE
Address
Calle Relva Torneiros 27a
36410 Porrino
Spain

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Activity type
Research Organisations
Administrative Contact
Gala Perez Perez (Ms.)
EU contribution
€ 33 060

Participants (8)

FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV
Germany
EU contribution
€ 7 330
Address
Hansastrasse 27c
80686 Munchen

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Activity type
Research Organisations
Administrative Contact
Walter Krause (Mr.)
LABOR SRL
Italy
EU contribution
€ 1 920
Address
Via Della Scrofa 117
00186 Roma

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Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Administrative Contact
Cristina Torrisi (Ms.)
Precisgal Utillaje, S.L.
Spain
EU contribution
€ 161 097,90
Address
Calle B 10 Parque Tecnologico Y Logistico Valladares
36312 Vigo

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Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Administrative Contact
Gerardo Argudin Rial (Mr.)
EQUIPOS NUCLEARES SA SME
Spain
Address
Avenida Juan Carlos I N 8
39600 Maliano

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Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Administrative Contact
Pedro Ceballos Revuelta (Mr.)
INDUSTRIAS TECNICAS DE GALICIA SA
Spain
EU contribution
€ 158 529,31
Address
Calle Monte Faquina 56
36415 Mos

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Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Administrative Contact
Alfredo Luis Roman Cajaraville (Mr.)
Sill Optics GmbH & Co. KG
Germany
EU contribution
€ 178 449,45
Address
Johann-höllfritsch-strasse 13
90530 Wendelstein

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Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Administrative Contact
Berndt Zingrebe (Mr.)
PRECITEC GMBH & CO KG
Germany
EU contribution
€ 263 927,96
Address
Draisstrasse 1
76571 Gaggenau

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Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Administrative Contact
Markus Kogel-Hollacher (Dr.)
CONCEPTION MACHINE FAVEYRIAL SAS
France
EU contribution
€ 162 961,38
Address
Rue Rene Panhard - Zi Ladoux 4
63118 Cebazat

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Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Administrative Contact
Olivier Drouet (Mr.)