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In the RMS-process, metal is deposited layer by layer at desired positions by melting a metal wire using a robotized fibre laser welding equipment. The process consists of the following steps:
1. CAD-drawing which defines the desired metal build-up

2. Computation of component slices of the same thickness as one layer

3. Preparation of the robot paths and process parameters

4. Check access by robot off-line programming

5. Build up the component using sensors and feedback control

6. The resulting component

7. Validate the geometry

The project objective was to automate the entire process, from CAD-drawing to validated component.
Started as a pre-study in 2005.
Ended 2009, March 31.

Published results
Heralic, A., A.-K. Christiansson, et al. (2007). Automation of robotized laser metal-wire deposition. IASTED International Conference on Control and Applications, Montreal, Canada.

Heralic, A., A.-K. Christiansson, et al. (2007). Freeform Fabrication using laser metal-wire deposition. Swedish Production Symposium. Gothenburgh, Sweden

Heralic, A., Ottosson, M. et al. (2008). Automation of a Robotised Metal Deposition System using Laser melting of Wire. (2008). In 18th International Conference on Flexible Automation and

Intelligent Manufacturing (FAIM2008), University of Skövde, Sweden.

Heralic, A., A.-K. Christiansson, et al. (2008). Control Design for Automation of Robotized

Laser Metal-wire Deposition. In 17th IFAC Congress, Seoul, Korea.

Heralic, A., Ottosson, M. et al. (2008). Visual feedback for operator interaction in surface modification by means of robotised laser metal deposition. In 22nd International

Conference on Surface Modification Technologies (SMT22), Trollhättan, Sweden.

Research Area

Teknik Produktionsteknik

Research environment / Institution

Produktionsteknik Väst, PTV Institutionen för ingenjörsvetenskap

Participants University West

Mikael Ericsson Kjell Hurtig Fredrik Danielsson Mattias Ottosson Anna-Karin Christiansson

Project Participants external

Almir Heralic, PhD-student

Research Partner

Volvo Aero Innovatum i Trollhättan PERMANOVA Lasersystem SAAB Siemens

Project time

2005 - 2009

Updated by Victoria Sjöstedt