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The FMEA methodology is one of the risk analysis techniques recommended by international standards. It is a systematic process to identify potential failures to fulfill the intended function, to identify possible failure causes so the causes can be eliminated, and to locate the failure impacts so the impacts can be reduced.
The process of FMEA has three main focuses:
✅The recognition and evaluation of potential failures and their effects;
✅The identification and prioritization of actions that could eliminate the potential failures, reduce their chances of occurring or reduce their risks;
✅The documentation of these identification, evaluation and corrective activities so that product quality improves over time.
📌Design FMEA (DFMEA)
Design FMEA is a procedure to identify that the right materials are being used, to conform to customer specifications, and to ensure that government regulations are being met, before finalizing the product design.
📌Process FMEA (PFMEA)
On the other hand, process FMEA deals with the manufacturing and assembly processes. Process FMEA traditionally begins when the design FMEA report is available. It identifies any potential failures that could by caused by manufacturing/assembly processes, machines, fixtures, and production methods. Process FMEA begins with the development of a process flowchart.
📌Application FMEA (A-FMEA)
Application FMEA focuses on the design application. There are two types of A-FMEA: Supplier-side A-FMEA and downstream customer-side A-FMEA. The purpose of the supplier-side A-FMEA is to detect any potential failures of the product relating to the application, design and manufacturing processes of parts and materials acquired from at outside supplier. The downstream customer-side A-FMEA investigates the effects of the customers application of the product on the product itself and on the customer. It is used to eliminate confusion and customer complaints.
📌Service FMEA (S-FMEA)
Service FMEA focuses on field service after sales for example, serviceability, spare parts availability and service manpower availability. The objectives of the FMEA are to define, demonstrate and maximize solutions in response to quality, reliability, maintainability, cost and productivity as defined by the design specifications and the customer. These goals are achieved through the active participation of personnel in the departments of customer service, product development, research, quality assurance, marketing and operations.
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QM Manager BU Castings | Quality Control, 8D Problem Solving, FMEA Expert
2moI’m curious to hear insights from professionals in the manufacturing industry. When it comes to part cleanliness analysis, is it typically conducted immediately after washing, or do companies perform this analysis on the final part before shipment to the customer? What are the best practices in your experience? Additionally, do industry standards provide specific guidance on when this analysis should take place?