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首页> 美国政府科技报告 >Forming an Aluminium Semi-Pipe with Flexform Technique (Die-Forming): AComparison with Conventional Technique
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Forming an Aluminium Semi-Pipe with Flexform Technique (Die-Forming): AComparison with Conventional Technique

机译：采用柔性成形技术成型铝半管（模具成型）：采用传统技术进行比较

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The purpose of the present work is to compare flexform technique (die-forming)with conventional pressing technique by analyzing the strain state of the components after forming. A double curved component was formed with a die tool in flexforming and with conventional technique. The sheet material was the aluminium alloy AA6061-O, according to the American standard, with thickness of 1mm. This study shows that the flexforming (die-forming) leads to a higher local thinning. This is due to the fact that the flange, in flexforming (die-forming), is locked at the final stage of forming, after which the component is fully formed. This means that the final stage in flexforming (die-forming) is a stretching operation. The level of the strains is highly dependent on the chosen process parameters. This is valid for both flexforming and conventional forming. There is, however, a natural difference between conventional forming and flexforming (die-forming), which leads to different strain distributions. A difference, which can not be diminished by changing the process parameters of the geometry.

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