How can DFMEA help you identify and prioritize potential product failures? (original) (raw)

Last updated on Aug 16, 2024

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If you are involved in product development, you probably know that quality is not something that can be added at the end of the process. It has to be built in from the start, and that means anticipating and preventing potential failures that could affect the performance, safety, or customer satisfaction of your product. One of the tools that can help you do that is the Design Failure Mode and Effects Analysis (DFMEA), a systematic method of identifying and evaluating the risks associated with your product design. In this article, we will explain what DFMEA is, how it works, and what benefits it can bring to your product development process.

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How does DFMEA work?

Conducting a DFMEA involves several steps, such as defining the scope and boundaries of your product design, and brainstorming potential failure modes. For each failure mode, you should assess its severity, occurrence, and detection ratings. These ratings are then multiplied to calculate the risk priority number (RPN), which helps prioritize actions to address the failure mode. Additionally, you should identify potential causes of each failure mode and any existing controls or prevention methods. Lastly, recommend actions to reduce or eliminate the failure modes, assign responsibilities and deadlines for implementation, and track and verify the results of your actions.

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