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相关概念视频

Plastic Deformations01:19

Plastic Deformations

129
Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their...
129

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全球对注射成型建模的方法

Przemysław Narowski1, Krzysztof Wilczyński1

  • 1Polymer Processing Department, Faculty of Mechanical and Industrial Engineering, Warsaw University of Technology, Narbutta 85, 02-524 Warsaw, Poland.

Polymers
|January 11, 2024
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概括

精确的塑料注塑模具模拟需要一个全面的模型. 整合塑化系统数据显著提高了模具流量模拟的准确性,实验性融温度数据产生了最好的结果.

科学领域:

  • 聚合物工程 聚合物工程
  • 制造业科学 制造业科学
  • 计算流体动力学的流体动力学.

背景情况:

  • 塑料注塑成型 (成型) 的准确建模是复杂的,因为塑料融化温度等未知输入参数.
  • 需要一个全面的全球模型来连接塑化系统和模具流.
  • 了解塑化过程对于全球注塑成型模型至关重要.

研究的目的:

  • 为了研究注塑成型机的塑化系统对模具流动的影响.
  • 为了提高塑料注塑模具模拟的准确性.
  • 探索注塑成型工艺建模的新概念.

主要方法:

  • 使用Moldex3D软件对塑化系统和模具流程进行模拟.
  • 使用专门的螺旋模具对选定的材料进行实验验证.
  • 仅模拟与实验数据输入模拟的比较分析.

主要成果:

  • 使用Moldex3D改进模具流量模拟精度的塑化系统的模拟.
  • 当使用实验性塑料化温度数据作为输入时,可以实现最准确的模具填充模拟.
  • 该研究强调了准确的输入参数对于过程模拟的重要性.
关键词:
注塑成型是指注射成型的方法.建模 建模模型 建模模型塑化,使其变得柔软.聚合物材料是一种聚合物材料.

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结论:

  • 考虑塑化和模具流动的综合方法对于准确的注塑成型建模至关重要.
  • 实验数据,特别是融温度,显著提高了模拟准确度.
  • 该研究为改进注塑成型工艺模拟提供了新的概念.