Additive Manufacturing of Automotive Tooling Components: Defect Reduction, Process Optimization and Powder Development

汽车模具部件的增材制造:减少缺陷、工艺优化和粉末开发

基本信息

  • 批准号:
    570708-2021
  • 负责人:
  • 金额:
    $ 28.12万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Alliance Grants
  • 财政年份:
    2022
  • 资助国家:
    加拿大
  • 起止时间:
    2022-01-01 至 2023-12-31
  • 项目状态:
    已结题

项目摘要

The manufacturing sector, particularly the automotive industries, suffers from supply chain disruptions due to pandemic related restrictions. Metal additive manufacturing (AM), also known as 3D printing, is a transformative approach to industrial production that enables the creation of components directly from computer aided design and avoids conventional moulding and machining. AM offers new opportunities to reduce lead times associated with procurement, fabrication, repair, and ultimately delivery of process related tooling in the automotive sector. However, three key hurdles currently prevent the mass adoption of AM, particularly for the directed energy deposition (DED) process in the automotive industries: (1) The formation of flaws and defects, such as pores, cracks, residual stresses, lead to inconsistent product quality and reduce product cycle times; (2) Optimal process parameters (e.g., laser power, spot size, scanning speed, and pre-and post-processing conditions) are needed to identify each tooling material to ensure the consistency of product quality; (3) The high cost of powder feedstock impedes the DED process towards mass production. The partnership in this proposal involves four research groups at the University of Toronto and three partner organizations - Magna International, Exco Engineering and NRC-Mississauga. This collaborative team will develop a closed-loop controlled laser-based DED system that can sense and predict defects and correct processing parameters adaptively for various materials and part geometries with little human input, thereby significantly improving the quality of AM parts for production. The team will also investigate and optimize the pre-and post-processing conditions for the DED tool steels and develop low-cost feedstock powders for the DED process. The two-year research program will train two postdoctoral fellows, four graduate students, and six undergraduate students, leading to the establishment of several subsequent major research projects between the University of Toronto and the partner organizations. The new results and related techniques will be transferred to the partner organizations, benefiting the manufacturing industries in Canada.
制造业,特别是汽车行业,由于与大流行有关的限制,供应链受到破坏。金属增材制造(AM),也称为3D打印,是一种革命性的工业生产方法,可以直接从计算机辅助设计中创建组件,避免了传统的成型和加工。增材制造提供了新的机会,以减少与采购、制造、维修相关的交货时间,并最终在汽车行业交付与工艺相关的工具。然而,目前有三个关键障碍阻碍了AM的大规模采用,特别是汽车行业的定向能沉积(DED)工艺:(1)缺陷和缺陷的形成,如孔隙、裂纹、残余应力,导致产品质量不一致,减少产品周期时间;(2)需要最优工艺参数(如激光功率、光斑尺寸、扫描速度、前后加工条件)来识别每种工装材料,以保证产品质量的一致性;(3)粉末原料的高成本阻碍了DED工艺的大规模生产。该提案中的伙伴关系涉及多伦多大学的四个研究小组和三个合作组织-麦格纳国际,Exco工程和nrc -密西沙加。该合作团队将开发一种闭环控制的基于激光的DED系统,该系统可以感知和预测缺陷,并自适应地纠正各种材料和零件几何形状的加工参数,而人工投入很少,从而显著提高AM零件的生产质量。该团队还将研究和优化DED工具钢的预处理和后处理条件,并为DED工艺开发低成本的原料粉末。这项为期两年的研究计划将培养两名博士后、四名研究生和六名本科生,从而在多伦多大学和合作伙伴组织之间建立几个后续的重大研究项目。新的成果和相关技术将转让给伙伴组织,使加拿大的制造业受益。

项目成果

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Zou, YuY其他文献

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{{ truncateString('Zou, YuY', 18)}}的其他基金

Mechanical and corrosion studies of nuclear materials at elevated temperatures and in molten salts
核材料在高温和熔盐中的机械和腐蚀研究
  • 批准号:
    580456-2022
  • 财政年份:
    2022
  • 资助金额:
    $ 28.12万
  • 项目类别:
    Alliance Grants

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