设计,建模和测试基于波纹曲单元的长冲动快速工具伺服器
Ning Chen1,2, Zhichao Wen1, Jiateng Rong1
1School of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao 266590, China.
Micromachines
|August 29, 2024
概括
这项研究介绍了一种新的语音线圈电机驱动的快速工具伺服系统,使用波纹曲导体. 它实现了用于先进微型加工应用的大冲程和高精度.
科学领域:
- 机械工程 机械工程
- 精密工程 精密工程是指精密的工程.
- 材料科学 材料科学 材料科学
背景情况:
- 快速工具伺服 (FTS) 系统对于超精密加工至关重要.
- 提高FTS的冲程,负载能力和动态性能是一个持续的挑战.
研究的目的:
- 开发一种具有提高性能的新型FTS设备,使用语音线圈电机 (VCM) 和三段均波纹曲 (CF) 引导机制.
- 模拟和分析FTS设备上的静态特征和结构参数影响.
- 通过实验验证系统的分辨率和定位精度.
主要方法:
- 开发一个采用VCM驱动的FTS装置,其中包含一个CF引导机制.
- 合规矩阵方法用于静态特征建模的应用.
- 进行分辨率和定位准确性测试.
主要成果:
- 拟议的FTS装置显示最大冲程为3.5毫米.
- 获得的定位分辨率值为3.6μm (正冲动) 和2.4μm (负冲动).
- CF指导机制有效地为高动态性和精度做出了贡献.
结论:
- 这种新型的FTS设备提供了大冲动,高精度和高动力,由VCM和CF机制驱动.
- 合规矩阵模型准确地描述了设备的静态特性.
- 该设备显示出在超精密微观结构加工中的应用潜力很大.
相关概念视频
Design of Transmission Shafts
287
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...
287
Deformation in a Circular Shaft
273
One of the distinctive characteristics of circular shafts is their ability to maintain their cross-sectional integrity under torsion. In other words, each cross-section continues to exist as a flat, unaltered entity, simply rotating like a solid, rigid slab. To understand the distribution of shearing stress within such a shaft, consider a cylindrical section inside this circular shaft. This section has a length of L and a radius of R, with one end fixed. The radius of the cylindrical section is...
273
Mechanical Systems
181
Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically...
181
Flexural Stress
238
When analyzing bending in symmetric members, it's crucial to understand how stresses distribute when subjected to bending moments. This stress distribution is effectively described by applying fundamental mechanics and material science principles, particularly Hooke's Law for elastic materials.
Hooke's Law states that within the material's elastic limits, stress is directly proportional to strain. In a member experiencing a bending moment, the strain at any point is relative to...
Hooke's Law states that within the material's elastic limits, stress is directly proportional to strain. In a member experiencing a bending moment, the strain at any point is relative to...
238
Design of Transmission Shafts - Stress Analysis
331
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...
331
Plastic Deformation in Circular Shafts
182
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...
182


