在材料双重采购的情况下,以循环为基础控制注塑成型工艺,使用质量反
Rasmus Aagaard Hertz1, Ole Therkelsen1, Søren Kristiansen2
1R&D Moulding, LEGO System A/S, Astvej 1, 7190 Billund, Denmark.
Polymers
|July 13, 2024
概括
本研究介绍了一种使用循环式反控制的塑料注塑成型工艺,以管理材料变化. 新方法显著减少了零件质量和尺寸差异,提高了制造精度.
科学领域:
- 制造业 工程 制造工程
- 材料科学 材料科学 材料科学
- 聚合物工程 聚合物工程
背景情况:
- 塑料注塑成型是受欢迎的制造工艺,因为成本低,准确的公差.
- 原材料,设备和成型工艺的变化可以显著影响零件公差.
- 在材料变化中控制零件特性,特别是来自双重采购,仍然是一个挑战.
研究的目的:
- 介绍塑料注塑的新型生产工艺,利用循环质量的循环反.
- 为了控制零件的性能,特别是质量和外观尺寸,尽管来自多个供应商的原材料存在差异.
- 为了证明直接循环质量反的有效性,而不需要额外的工艺测量.
主要方法:
- 开发了一种生产过程,采用循环基反循环质量的生产过程.
- 控制器结构的设计是直接使用循环质量反.
- 该过程在一个多孔模具中进行了测试,使用来自多个供应商的五种不同级别的原材料.
主要成果:
- 部分质量方差减少了大约50%.
- 外部维度差异 (长度和宽度) 减少了大约40%.
- 与固定设置的传统成型工艺相比,这些改进得到了实现.
结论:
- 提出的基于循环的反控制有效地管理塑料注塑成型中的材料变化.
- 这种方法可以加强对零件质量和尺寸的控制,从而实现更一致的产品质量.
- 结果表明,制造精度和材料利用率显著提高.
关键词:
经过EWMA的控制,他们得到了控制.循环质量反循环的质量反.d-EWMA控制器的控制方式注塑成型是指注射成型的产品.材料的双重采购方式材料的变化 材料的变化部分质量部分质量.部分参数控制参数控制质量控制质量控制质量控制更多相关视频
05:32A Soft Tooling Process Chain for Injection Molding of a 3D Component with Micro Pillars
Published on: August 4, 2018
12.6K
09:08Three-dimensional Printing of Thermoplastic Materials to Create Automated Syringe Pumps with Feedback Control for Microfluidic Applications
Published on: August 30, 2018
12.4K
相关概念视频
01:26Steel Manufacturing
Steel manufacturing is a multi-stage process that begins by smelting iron ore into cast iron in a blast furnace. This initial stage involves layering iron ore with coke, a type of fuel, and crushed limestone within the furnace. The coke is ignited with a high volume of air, leading to the creation of carbon monoxide, which acts to reduce the iron ore to pure iron.
During this smelting process, limestone plays a crucial role by forming slag. Slag captures impurities within the molten iron, such...
During this smelting process, limestone plays a crucial role by forming slag. Slag captures impurities within the molten iron, such...
01:24Design Example: Aggregate Gradation
The right type and quality of aggregates are crucial for concrete as they significantly influence its properties, mix proportions, and cost-effectiveness. If different sources are available for sand, the commonly used fine aggregate in concrete, the selection of sand is primarily based on its gradation.
The grading, or particle-size distribution, of sand is determined using sieve analysis, with standard sizes ranging from 150 μm to 10 mm (ASTM No. 100 sieve to 3⁄8 in. sieve). Sand is sampled...
The grading, or particle-size distribution, of sand is determined using sieve analysis, with standard sizes ranging from 150 μm to 10 mm (ASTM No. 100 sieve to 3⁄8 in. sieve). Sand is sampled...