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相关概念视频

Pipe Flowrate Measurement: Problem Solving01:28

Pipe Flowrate Measurement: Problem Solving

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A spray tank system is engineered to uniformly distribute a pest-control liquid across plants by using a pressurized mechanism. The tank, pressurized to 150 kPa, holds the pesticide at a height of 0.80 meters. Liquid flows from the tank through a 1.9 meter pipe with a diameter of 0.015 meters, angled at 0.698 radians, ultimately reaching a 0.007 meter nozzle that sprays the pesticide. Accurate calculation of the system's flow rate is crucial to ensure uniform application, and this is...
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相关实验视频

Updated: May 30, 2025

A Soft Tooling Process Chain for Injection Molding of a 3D Component with Micro Pillars
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基于喷嘴压力和螺丝位置的CAE科学过程参数设置,用于注塑成型工艺.

Ren-Ho Tseng1, Chien-Hung Wen1, Chen-Hsiang Chang1

  • 1Department of Mechanical Engineering, National Cheng Kung University, Tainan 701401, Taiwan.

Polymers
|January 25, 2025
PubMed
概括

这项研究使用时间常数对注射成型模拟进行了校准,显著减少了注射速度和V/P切换位置的错误. 这种改进的模拟准确性使实验和模拟过程参数保持一致.

关键词:
注塑成型的注射成型是什么注塑成型CAE模拟的注塑成型喷嘴压力压力 喷嘴压力科学过程的参数设置.螺丝位置的螺丝位置.

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Last Updated: May 30, 2025

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科学领域:

  • 材料科学 材料科学 材料科学
  • 制造业 工程 制造工程
  • 计算机建模 计算建模

背景情况:

  • 精确模拟注塑成型工艺对于优化制造至关重要.
  • 以前的研究往往缺乏精确的校准,导致模拟和实验结果之间的差异.
  • 机器响应的变化在现实世界的过程参数设置中引入错误.

研究的目的:

  • 开发用于注塑试验和模拟的科学过程参数设置.
  • 实施和验证一个校准方法,以提高模拟准确度.
  • 为了减少模拟和实验过程参数之间的误差.

主要方法:

  • 建立了一个科学过程参数设置,重点关注喷嘴压力和螺丝位置.
  • 定义了一个参数搜索序列:注射速度,V/P开关位置,包装压力和包装时间.
  • 实施时间常数校准,以使模拟输出与实验数据保持一致.

主要成果:

  • 实验和模拟显示了过程参数设置中的类似趋势.
  • 由于机器响应,未校准的模拟显示了参数错误.
  • 时间常数校准显著减少了注射速度误差,从20%降至6%.
  • 在校准后,V/P切换点误差从11%降至5%.

结论:

  • 时间常数校准有效地提高了注塑模拟的精度.
  • 校准模拟提供了更接近实验数据的结果,改善了过程优化.
  • 这种方法弥合了在制造业中模拟和实验验证之间的差距.