Transcript for EO403 - What is FMEA.PDF

Graduate Apprenticeship - Engineering Design and Manufacture Class: EO403 - Design for X What is FMEA In this video, we'll be looking at Failure Mode Effect Analysis, known as FMEA. So what is FMEA? FMEA is a systematic group of activities aimed at recognising and evaluating the potential failure of...

Graduate Apprenticeship - Engineering Design and Manufacture Class: EO403 - Design for X What is FMEA In this video, we'll be looking at Failure Mode Effect Analysis, known as FMEA. So what is FMEA? FMEA is a systematic group of activities aimed at recognising and evaluating the potential failure of a product or process, and the effects of that failure. We identify actions that could eliminate or reduce the chance of the potential failure from even occurring in the first place. And it also provides us with a document of the entire process. It's complementary to the process of defining what a design or process must do to satisfy a customer. And this method can be used in design for safety and design for reliability. FMEA predicts what failures might occur in the product, so what might go wrong, what might happen. What the effect of such failures might be on the product operation; what steps might be taken to prevent the failure or its effect of the function. The benefits to FMEA are the improved product and process design. It reduces the costs related to poor quality, and improves the overall productivity and reliability, as we're considering any potential faults and failures in the product at an earlier stage before they've actually occurred. Something to consider with FMEA is that FMEA can be applied to the design of products, manufacturing processes, and systems. FMEA stimulates the development of new technologies and reliability engineering by highlighting flaws and limitations in design. There are many variations in the FMEA process, and it can be tailored to the individual organisations that the process has been applied to. In product FMEA, it is likely that two FMEAs will be undertaken-one at the design stage, and then one at the production stage. These are just things to keep in mind when you're undertaking Failure Mode Effects Analysis. Now there are three factors to FMEA-the severity of the failure in terms of customer dissatisfaction; the probability of occurrence of the failure, so how likely is it to actually occur in the first place; and then the probability of the design or development process detecting the failure. Each factor should be given a rating based on the judgement of the design team, and the information already in the field or on test. With these three factors, we then calculate a risk priority number associated with each risk that we've identified. This is the severity multiplied by the occurrence multiplied by the detection. We calculate this for each failure identified, and we use it to prioritise areas of improvement in the overall product design. Page 1/2 Page 2/2