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首页> 外文期刊>Procedia CIRP >Multiscale dimensional tolerance specifications established on shrinkage assessment in ceramic micro injection molding
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Multiscale dimensional tolerance specifications established on shrinkage assessment in ceramic micro injection molding

机译：基于陶瓷微注射成型收缩率评估建立的多尺度尺寸公差规格

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摘要

Taking advantage of a micro powder injection molding production of a critical functional component in a miniaturized mechanism, a method for the formulation of specification intervals was developed, based on the evaluation of the shrinkage. The synthesis allows to allocate tolerance intervals according to a desired risk of rejecting parts in future evaluations. Such specifications are formulated as a function of the shrinkage, optimizing its impact on different features of size independently of their shapes or dimensions. The method is of general validity for any molding process where the material undergoes a change in dimensions due to a phase transformation.
机译：利用微型机构中的关键功能部件的微粉注射成型生产，基于收缩率的评估，开发了一种用于指定规格间隔的方法。该综合允许根据将来评估中拒收零件的期望风险分配公差间隔。此类规格根据收缩率制定，独立于其形状或尺寸来优化其对尺寸不同特征的影响。该方法对于材料由于相变而尺寸发生变化的任何模制工艺具有普遍的有效性。

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