Industrial serial robots were usually limited to welding, handling or spray painting operations until very recent years. However, some industries have already realized about their important capabilities in terms of flexibility, working space, adaptability and cost. Hence, currently they are seriously being considered to carry out certain metal machining tasks. Therefore, robot based machining is presented as a cost-saving and flexible manufacturing alternative compared to conventional CNC machines especially for roughing or even pre-roughing of large parts. Nevertheless, there are still some drawbacks usually referred as low rigidity, accuracy and repeatability. Thus, the process productivity is usually sacrificed getting low Material Removal Rates (MRR), and consequently not being competitive. Nevertheless, in this paper different techniques to obtain increased productivity are presented, though an appropriate selection of cutting strategies and parameters that are essential for it. During this research some rough milling tests in Al-5083 are presented where High Feed Milling (HFM) is implemented as productive cutting strategy and the experimental modal analysis named Tap-testing is used for the suitable choice of cutting conditions. Competitive productivity rates are experienced while process stability is checked through the cutting forces measurements in order to prove the effectiveness of the experimental modal analysis for robotic machining.
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2 May 2018
PROCEEDINGS OF THE 21ST INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2018
23–25 April 2018
Palermo, Italy
Research Article|
May 02 2018
High productivity mould robotic milling in Al-5083
Iker Urresti;
Iker Urresti
a)
1
Danish Advanced Manufacturing Research Centre
, Sandagervej 10, 7400 Herning, Denmark
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Pedro Jose Arrazola;
Pedro Jose Arrazola
b)
2
Faculty of Engineering, Mondragon University
, 20500 Mondragon, Spain
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Klaus Bonde Ørskov;
Klaus Bonde Ørskov
c)
1
Danish Advanced Manufacturing Research Centre
, Sandagervej 10, 7400 Herning, Denmark
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Jose Angel Pelegay
Jose Angel Pelegay
d)
3
Composites Aragón, S.L
., Carretera Cogullada 20, 50014 Zaragoza, Spain
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AIP Conf. Proc. 1960, 070026 (2018)
Citation
Iker Urresti, Pedro Jose Arrazola, Klaus Bonde Ørskov, Jose Angel Pelegay; High productivity mould robotic milling in Al-5083. AIP Conf. Proc. 2 May 2018; 1960 (1): 070026. https://doi.org/10.1063/1.5034922
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