The amount of time required to conduct a Failure Mode and Effects Analysis (FMEA) will depend on a variety of factors, including the complexity of the product or process being analyzed, the size of the team involved in the FMEA process, and the level of detail desired in the analysis.
In general, the FMEA process can be time-consuming, as it involves identifying and evaluating all potential failure modes and their impacts, as well as identifying and implementing corrective actions. It is important to allocate sufficient time and resources to the FMEA process to ensure that it is thorough and effective.
To give a rough estimate, a simple FMEA study for a small product or process with a limited number of failure modes may take a few hours to a few days to complete. A more complex FMEA study for a larger product or process with many potential failure modes may take several weeks or even months to complete.
Overall, it is important to allocate sufficient time and resources to the FMEA process to ensure that it is thorough and effective in identifying and addressing potential problems.