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Etude du tissage de filaments de très faibles diamètres : conception d'une machine de micro tissage

Abstract : The aim of this work is to demonstrate the feasibility ofweaving filaments of very small diameter (about 10 to 25 -tm) made ofvarious materials (copper, gold, polyester, etc...). The possibility of weaving copper micro filaments at this scale has been proved via the fatigue and traction mechanical tests. According to these results, it was possible to foresee weaving technical solutions to produce fabrics from these micro filaments. This work has permitted the design of the different parts of the micro weaving machine: warp let-off system, warp shedding system, filling insertion system, beat-up system and take-up system. Warp shedding system of Jacquard type represents the heart of the weaving machine. It solved the complicated technical problem ofweaving materials that persists since many years. The positive results of micro fluidic actuators have demonstrated the feasibility of micro weaving. They have also validated the process of manufacturing a block of severa! actuators capable of separating the warp filament's to form the shed. The created software of control and design allows to make weaves and to compile them into a convenient format to be transmitted to the control card. This card controls the different parts of the weaving machine.
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Submitted on : Tuesday, July 17, 2012 - 2:39:07 PM
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  • HAL Id : tel-00718527, version 1

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Fadi Farra. Etude du tissage de filaments de très faibles diamètres : conception d'une machine de micro tissage. Autre. Université de Haute Alsace - Mulhouse, 2009. Français. ⟨NNT : 2009MULH3078⟩. ⟨tel-00718527⟩

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