隨著極端氣候的議題成為國際社會的共識，各國陸續提出禁止銷售燃油汽車的時間表，成為電動車產業的發展助力。本研究應用品質機能展開法(QFD)，探討車廠的扣件供應鏈如何因應電動車開發趨勢，建構出一套製程再造的系統化分析模式。研究中以某扣件廠為例，結合其上游廠商透過品質機能展開，對電動車電池模組用扣件的設計需求進行深入探討，最終開發符合電動車廠所要求規格之扣件產品。不僅改善製程品質、增進開發效率、進而降低營運成本，逐漸形成電動車廠最可靠的扣件供應鏈。
個案研究中應用品質機能展開法(QFD)，對電動車電池模組用扣件的產品規劃與設計需求分析顯示，結構與外觀設計、新電池材料開發是重點。針對組件特性，機械強度、耐腐蝕性是關鍵功能，而成型設計、尺寸公差、防鬆脫和密封性也同樣重要。在零件特性方面需重視扭力試驗，以確保產品耐用性和密封性能。在製程特性中，原料黏度和烘烤溫度最為重要，影響塗佈效果和生產效率。在設備特性上，智能化監控系統和高效能馬達及傳動系統至關重要，可提升系統穩定性和運行效率。以上分析有助於個案扣件廠優化產品設計和製造流程，提高客戶滿意度。

As the issue of extreme climate becomes a consensus in the international community, various countries have proposed timelines for banning the sale of fuel vehicles, thus bolstering the development of the electric vehicle (EV) industry. This study employs the Quality Function Deployment (QFD) methodology to explore how the fastener supply chain of automakers could adapt to EV development trends, resulting in a systematic analysis model for manufacturing process reengineering. A representative fastener manufacturer is used as the case to investigate how to integrate upstream suppliers through QFD to delve deeply into the design requirements of fasteners used in EV battery modules, and developing products that meet the specifications required by EV manufacturers. This could not only improve process quality and enhance development efficiency but also might reduce operational costs, forming a resilience fastener supply chain for the EV industry.
As illustrated by case study, applying QFD on the product planning and design requirement analysis for fasteners used in EV battery modules shows the focus on structural and aesthetic design and the development of new battery materials. It is found out that key functionalities such as mechanical strength and corrosion resistance, along with mold design, dimensional tolerances, anti-loosening features, and sealing capabilities, are critical, emphasis is placed on torque testing to ensure product durability and sealing performance. Among the process characteristics, the viscosity of raw materials and the baking temperature are most crucial, affecting coating effectiveness and production efficiency. On the equipment side, intelligent monitoring systems and high-efficiency motors and transmission systems are essential, enhancing system stability and operational efficiency. These analyses demonstrate the importance of using QFD which enable the case fastener factory in improving product design and manufacturing processes effectively.

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