在聚合物材料中注射成型符合常矩机制的计算和实验优化
Tran Minh The Uyen1, Hai Nguyen Le Dang1, Van-Thuc Nguyen1
1Faculty of Mechanical Engineering, Ho Chi Minh City University of Technology and Education, Ho Chi Minh City 71307, Vietnam.
Polymers
|September 27, 2025
概括
这项研究优化了使用计算,人工神经网络 (ANN) 和实验方法的聚合物兼容恒定扭矩机制 (CTM). 圆形设计显示出优越的强度,ANN和实验结果与这些先进的聚合物CTM密切匹配.
科学领域:
- 机械工程 机械工程
- 材料科学 材料科学 材料科学
- 机器人技术 机器人技术 机器人技术
背景情况:
- 符合常数扭矩机制 (CTM) 对于需要一致的旋转阻力的应用至关重要.
- 聚合物材料的注塑成型为CTM提供了一个可扩展的制造途径.
- 优化CTM性能需要了解对扭转行为的几何影响.
研究的目的:
- 通过注射成型制造的聚合物CTM的计算和实验优化.
- 研究几何变化对CTM扭力强度的影响.
- 通过实验数据验证人工神经网络 (ANN) 模型的预测准确性.
主要方法:
- 利用计算机辅助工程 (CAE) 来进行CTM几何学的数值模拟.
- 进行实验验证,以量化CTM的机械性能.
- 开发并使用人工神经网络 (ANN) 模型进行性能预测.
主要成果:
- 几何配置显著影响CTM扭矩行为;圆形截面表现出优越的强度.
- ANN模型表现出高预测准确度,与实验结果密切一致 (与模型4相似97%).
- CAE模拟预测了0.142 N·m的23-44度范围,而实验和ANN显示了0.164 N·m的20-46度范围更广.
结论:
- 整合CAE,ANN和实验技术对于优化基于聚合物的CTM至关重要.
- 这些差异凸显了对精细材料建模和制造工艺的需求.
- 优化的聚合物CTM显示了精密工程,生物医学设备和软机器人的前景.
相关概念视频
Plastic Deformation in Circular Shafts
445
When materials are subjected to forces that surpass their yield strength, they undergo a process known as plastic deformation. This results in a permanent alteration or strain in their structure. This concept can be specifically applied to circular shafts, where the deformation leads to a change in its shape. The precise evaluation of this plastic deformation requires understanding the stress distribution within the circular shaft, which is achieved by calculating the maximum shearing stress in...
445
Circular Shafts - Elastoplastic Materials
461
The study of solid circular shafts under stress shows that within the elastic limit, stress increases directly to the distance from the shaft's center. This relationship holds until the shaft reaches a critical point of stress, beyond which it begins to yield, marking the transition from elastic to plastic deformation. At this crucial juncture, the maximum torque the shaft can endure without permanent deformation is determined, signifying the limit of its elastic behavior.
As torque on the...
As torque on the...
461
Design of Transmission Shafts
742
The design of a transmission shaft is governed by two primary specifications: the power it transmits and its rotational speed. These parameters guide the selection of the shaft's material and cross-sectional dimensions, ensuring that the material's maximum shearing stress remains within the elastic limit while transmitting the desired power at the given speed. The system's power is intrinsically linked to the applied torque. The torque applied to the shaft can be calculated by reconfiguring the...
742
Design of Transmission Shafts - Stress Analysis
710
Designing a transmission shaft requires a thorough understanding of the stresses induced by bending moments and torques, especially in systems where power is transferred through gears. These forces create force-couple systems at the centers of the shaft's cross-sections, leading to both transverse and torsional loading. Although shearing stresses from transverse loads are typically smaller than those from torques and are often overlooked, the significant normal stresses from these loads...
710
Residual Stresses in Circular Shafts
512
In materials that exhibit elastic and plastic behavior, known as elastoplastic materials, residual stresses can accumulate when these materials experience plastic deformation. This deformation arises from either high levels of shearing stress or significant strains. Residual stresses are internal stresses that persist within a material after removing the external force causing deformation. This phenomenon is demonstrated when observing the behavior of a shaft under torque; notably, the...
512


