直接制造翼子板模具关键技术的基础研究
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摘要
等离子熔积、脉冲MIG焊熔积成形与铣削复合快速制造是一种以电弧为热源的创行创质并行复合制造技术,简称为弧焊直接成形快速制造系统,其为金属零件和模具提供了一种低成本高质量的快速制造途径,通过此制造系统可以直接制造翼子板模具。快速制造翼子板模具技术中,凸凹模的设计至关重要,需要用数值模拟的技术分析模具设计的合理性,不断的改正优化工艺参数,从而设计出成形效果较好的模具。为便于在电弧快速成形制造系统中加工,就必须将凸凹模的模型进行简化,对STL实体模型进行检验与修复,只有这样才可以得到熔积成形的轨迹,为后续翼子板模具的直接制造做好准备。本文以翼子板模具为例,研究了翼子板成形仿真和快速制造翼子板模具的技术,以期实现熔积成形与表面精整铣削复合一体化高效率直接制造。本文主要研究内容如下:
1.基于快速制造模具技术,系统分析了现阶段的快速制造模具技术,阐述了快速制模的关键技术和特点,为弧焊直接成形快速制造系统提供理论指导
2.介绍了弧焊直接成形快速制造工艺相关基础知识,分析了等离子熔积成形和脉冲MIG焊成形原理,深入研究了电弧快速成形制造系统的结构、设备、原理、成形过程及特性。
3.以翼子板为实例,对其成形过程进行了模拟,研究了成形模拟流程和影响成形模拟结果的关键因素,分析了翼子板成形模拟结果
4.详细阐述了翼子板模具快速制造技术基础,对翼子板模型的实体重建和STL文件检验修复,最后根据修复后的STL文件得到熔积成形路径。
5.为了验证上述研究的实用性,本文进行了基于弧焊直接成形快速制造系统制造翼子板模具的基本路径研究。结果表明,翼子板模具熔积成形路径完全符合模拟加工路径和制造加工工艺,为后续制造翼子板模具提供了基础。
Arc Deposition Manufacturing is one type of shape-creative and mass-creative parallel rapid manufacturing technology using arc as thermal resource,which includes Plasma Deposition Manufacturing and Pulsed MIG welding. This technology provides a low-cost rapid manufacturing of high-quality way. The convex and concave mold designing is very essential in the rapid manufacturing technology for fender mold. The technical analysis of the numerical simulation can be used to determine the rationality of die design, optimize the process parameters of the correction, thereby forming a better design of the mold. In order to meet the rapid prototyping manufacturing system, the model of convex and concave mold must be simplifies and the STL should be detected and repaired. Only in this way the system can form deposition trajectory, preparing for the follow-up processing. Therefore, this paper has researched on rapid fender mold manufacturing technology, to achieving volume and surface finish forming integrated manufacturing. Key elements include:
1. Based on the rapid tooling manufacturing technology, this paper has analyzed the rapid tooling manufacturing technology at this stage, studied the key to rapid tooling studied the key to rapid tooling technology and the characteristics, provided theoretical guidance for arc deposition manufacturing system.
2. This paper has introduced the basic knowledge of the rapid tooling manufacturing technology, analyzed the forming principle of Plasma Deposition Manufacturing and Pulsed MIG welding, and studied the structure, equipment, principles, and characteristics of the forming process of the rapid tooling manufacturing system.
3. The major issues and factors of the forming simulation results were analyzed in-depth, the forming process simulation of the fender metal sheet was simulated, and the simulation processes and the fender forming simulation results were studies.
4. The basic knowledge about the rapid fender mold manufacturing technology was studied in detail, the molder of fender mold was reconstructed and the STL files were repaired.
5. To validate the utility of above research, a double-twist leave has been made by Hybrid Plasma Deposition & Milling. The results show that the fender forming tool path is in full compliance with the analog processing path and manufacturing process technology, and provide the foundation for follow-up fender mold manufacturing.
1.基于快速制造模具技术,系统分析了现阶段的快速制造模具技术,阐述了快速制模的关键技术和特点,为弧焊直接成形快速制造系统提供理论指导
2.介绍了弧焊直接成形快速制造工艺相关基础知识,分析了等离子熔积成形和脉冲MIG焊成形原理,深入研究了电弧快速成形制造系统的结构、设备、原理、成形过程及特性。
3.以翼子板为实例,对其成形过程进行了模拟,研究了成形模拟流程和影响成形模拟结果的关键因素,分析了翼子板成形模拟结果
4.详细阐述了翼子板模具快速制造技术基础,对翼子板模型的实体重建和STL文件检验修复,最后根据修复后的STL文件得到熔积成形路径。
5.为了验证上述研究的实用性,本文进行了基于弧焊直接成形快速制造系统制造翼子板模具的基本路径研究。结果表明,翼子板模具熔积成形路径完全符合模拟加工路径和制造加工工艺,为后续制造翼子板模具提供了基础。
Arc Deposition Manufacturing is one type of shape-creative and mass-creative parallel rapid manufacturing technology using arc as thermal resource,which includes Plasma Deposition Manufacturing and Pulsed MIG welding. This technology provides a low-cost rapid manufacturing of high-quality way. The convex and concave mold designing is very essential in the rapid manufacturing technology for fender mold. The technical analysis of the numerical simulation can be used to determine the rationality of die design, optimize the process parameters of the correction, thereby forming a better design of the mold. In order to meet the rapid prototyping manufacturing system, the model of convex and concave mold must be simplifies and the STL should be detected and repaired. Only in this way the system can form deposition trajectory, preparing for the follow-up processing. Therefore, this paper has researched on rapid fender mold manufacturing technology, to achieving volume and surface finish forming integrated manufacturing. Key elements include:
1. Based on the rapid tooling manufacturing technology, this paper has analyzed the rapid tooling manufacturing technology at this stage, studied the key to rapid tooling studied the key to rapid tooling technology and the characteristics, provided theoretical guidance for arc deposition manufacturing system.
2. This paper has introduced the basic knowledge of the rapid tooling manufacturing technology, analyzed the forming principle of Plasma Deposition Manufacturing and Pulsed MIG welding, and studied the structure, equipment, principles, and characteristics of the forming process of the rapid tooling manufacturing system.
3. The major issues and factors of the forming simulation results were analyzed in-depth, the forming process simulation of the fender metal sheet was simulated, and the simulation processes and the fender forming simulation results were studies.
4. The basic knowledge about the rapid fender mold manufacturing technology was studied in detail, the molder of fender mold was reconstructed and the STL files were repaired.
5. To validate the utility of above research, a double-twist leave has been made by Hybrid Plasma Deposition & Milling. The results show that the fender forming tool path is in full compliance with the analog processing path and manufacturing process technology, and provide the foundation for follow-up fender mold manufacturing.
引文
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