摘要
超声波焊接技术作为一种高效、环保的连接方式，在精密制造领域展现出显著优势，其在轻量化材料加工和微小结构件组装中的应用日益广泛。本研究旨在探讨超声波焊接技术在精密制造中的适用性及其优化方法，通过实验分析与数值模拟相结合的方式，系统评估了不同材料特性、焊接参数及设备设计对焊接质量的影响。研究选取典型金属与聚合物材料为对象，采用正交试验设计确定关键工艺参数，并结合有限元分析揭示焊接过程中能量传递与应力分布规律。结果表明，通过精确控制振幅、压力和焊接时间等参数，可显著提升焊接接头的机械性能和可靠性，同时降低热损伤风险。此外，本研究提出了一种基于实时监测的智能控制算法，能够有效补偿材料特性和环境条件的变化，从而实现焊接过程的高精度与稳定性。该研究不仅为超声波焊接技术在精密制造中的应用提供了理论支持，还开发了适用于复杂工况的优化策略，为推动相关技术在航空航天、医疗器械及电子制造等领域的进一步发展奠定了基础。创新点在于建立了焊接参数与接头性能之间的定量关系，并实现了智能化焊接过程控制，显著提升了焊接效率与产品质量。
关键词：超声波焊接；精密制造；焊接参数优化；智能控制算法；接头性能
Abstract
Ultrasonic welding technology, as an efficient and environmentally friendly joining method, demonstrates significant advantages in precision manufacturing and is increasingly applied in the processing of lightweight materials and the assembly of miniature structural components. This study investigates the applicability and optimization methods of ultrasonic welding technology in precision manufacturing by integrating experimental analysis with numerical simulation to systematically evaluate the effects of material properties, welding parameters, and equipment design on welding quality. Typical me tallic and polymeric materials were selected as research ob jects, and key process parameters were determined using orthogonal experimental design. Finite element analysis was further employed to reveal the energy transfer and stress distribution mechanisms during the welding process. The results indicate that precise control of parameters such as amplitude, pressure, and welding time can substantially enhance the mechanical properties and reliability of welded joints while reducing the risk of thermal damage. Additionally, this study proposes a real-time monitoring-based intelligent control algorithm capable of effectively compensating for variations in material characteristics and environmental conditions, thereby achieving high precision and stability in the welding process. This research not only provides theoretical support for the application of ultrasonic welding technology in precision manufacturing but also develops optimized strategies suitable for complex working conditions, laying a foundation for advancing related technologies in fields such as aerospace, medical devices, and electronics manufacturing. The innovation lies in establishing a quantitative relationship between welding parameters and joint performance and realizing intelligent process control, which significantly improves welding efficiency and product quality.
Keywords：Ultrasonic Welding; Precision Manufacturing; Welding Parameter Optimization; Intelligent Control Algorithm; Joint Performance
目 录
摘要 I
Abstract II
一、绪论 1
(一) 超声波焊接技术的研究背景 1
(二) 精密制造中应用的意义分析 1
(三) 国内外研究现状综述 1
(四) 本文研究方法与结构安排 2
二、超声波焊接技术原理与特性 2
(一) 超声波焊接的基本原理 2
(二) 关键参数对焊接质量的影响 3
(三) 超声波焊接的材料适用性分析 3
(四) 技术优势与局限性探讨 4
三、超声波焊接在精密制造中的应用实践 4
(一) 微电子器件中的焊接应用 4
(二) 医疗器械领域的具体案例 5
(三) 汽车工业中的精密部件连接 5
(四) 应用过程中的挑战与解决方案 6
四、超声波焊接技术优化与未来趋势 6
(一) 提高焊接精度的技术路径 6
(二) 新型材料焊接的可行性研究 7
(三) 智能化与自动化的发展方向 7
(四) 未来技术突破的关键领域 8
结 论 9
参考文献 10
