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转子设计,螺丝设计和加工参数在Farrel连续机中的影响.
Mansour Alotaibi1, Carol Forance Barry1
1Department of Plastics Engineering, University of Massachusetts Lowell, Lowell, MA 01879, USA.
Polymers
|March 13, 2025
概括
连续机为复合材料提供高效率. 这项研究优化了转子设计和加工参数,如转子速度和料速率,以控制停留时间和融温度,以便更好地加工材料.
科学领域:
- 聚合物工程 聚合物工程
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 具有反旋转转子和单螺杆挤出机的连续机,对于热性和填充热塑性塑料有效.
- 它们的高混合效率和剪切控制表明它们具有更广泛的适用性,但对各种材料系统的研究有限.
- 预先的聚烯复合揭示了参数限制,需要进一步调查.
研究的目的:
- 研究各种加工参数和转子设计对连续器性能的影响.
- 了解聚烯复合过程中对停留时间和化温度的影响.
- 建立优化连续机运行和组件选择的战略.
主要方法:
- 在Farrel Compact处理器中对9个旋翼设计和2个单螺杆设计进行系统评估.
- 分析操作变量,包括转子转速,料速度和孔设置.
- 在不同的条件下测量停留时间和化温度.
主要成果:
- 单阶段转子通常比双阶段或高分散转子的停留时间和化温度更低.
- 增加了转子速度和料速度,以及更小的孔口,减少了停留时间.
- 更高的转子速度提高了融温度,而更高的料速度和更小的孔径则降低了融温度.
- 单螺丝设计影响了停留时间,但并没有影响化温度.
结论:
- 处理参数和转子设计显著影响连续机的停留时间和化温度.
- 确定了优化转子选择和加工条件的策略,以改善融复合.
- 这项研究为使用更广泛的材料的连续机提供了基础.
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