Force Prediction for Correction of Robot Tool Path in Single Point Incremental Forming

In this work, an off-line compensation procedure, based on an elastic modelling of the machine structure coupled with a Finite Element Analysis (FEA) of the process is applied to Robotized Single Point Incremental Forming (RSPIF). Assuming an ideal stiff robot, the FEA evaluates the Tool Center Poin...

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Bibliographic Details
Published in:Key engineering materials 2013-01, Vol.554-557, p.1282-1289
Main Authors: Guines, Dominique, Ragneau, Eric, Belchior, Jérémy, Leotoing, Lionel
Format: Article
Language:English
Subjects:
Deviation
Engineering Sciences
Finite element method
Forming
Mathematical analysis
Mathematical models
Mechanics
Mechanics of materials
Physics
Robots
TCP (protocol)
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Summary:In this work, an off-line compensation procedure, based on an elastic modelling of the machine structure coupled with a Finite Element Analysis (FEA) of the process is applied to Robotized Single Point Incremental Forming (RSPIF). Assuming an ideal stiff robot, the FEA evaluates the Tool Center Point (TCP) forces during the forming stage. These forces are then defined as an input data of the elastic robot model to predict and correct the tool path deviations. In order to make efficient the tool path correction, the weight of three numerical and material parameters of the FEA on the predicted forces is investigated. Finally, the efficiency of the proposed method is validated by the comparison between numerical and experimental geometries obtained with or without correction of the tool path.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.554-557.1282