The touching area of the screed is not always the whole plate, may be parts of the plate.So it is changeable.Based on the fact, the dynamics model is deduced.

 
  • 经过分析,认为摊铺过程中熨平板与混合料的作用面积并不一定是熨平板的全部面积,而是有可能部分接触,其面积大小为一个动态的变化过程,在此基础上,导出了熨平装置的动力学模型。
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