Design Failure Mode Effect Analysis - Concepts & Practice

Learn about the fundamentals of preparing DFMEA for Mechanical design engineers
What you'll learn
Why do we prepare DFMEA?
What are failure modes in mechanical design and how do we define them ?
What are root causes & mechanisms? how to find root causes for failure modes ?
What is Severity, Occurence and Detection of Failure ?
Grading of Severity , Occurrence and Detection ratings
What is Boundary or B diagram ? How to develop it with examples
What is Parameter Diagram or P diagram ? How to develop it with examples
Examples with simple mechanical products
DFMEA process walk-through and exercises
Requirements
Course is best understood with a basic prior understanding of mechanical design engineering as it is primarily directed towards design engineers already designing systems
Description
Design Failure Mode Effect and Analysis (DFMEA) is a very important tool for the design engineer to develop designs which are reliable and safe. This course will take you through the concepts and process of developing a DFMEA.What the course will cover? Need for DFMEADefining failure modesCause and Root cause analysis using Fishbone diagramsEvaluation of Risk - Severity, Occurence and DetectionWhat is Design prevention control and Design detection control / Design verification Grading of severity, occurence and detectionThe systematic process of DFMEAWhat is B diagram and how to prepare B diagram with multiple examplesWhat is P diagram and how to prepare P diagram with multiple examplesDFMEA walkthrough of a Bicycle Exercises for learning by doing.The course is well suited for Mechanical design engineers or aspiring students who want to learn how to design effectively and consider possible failure modes. The class focusses on the concepts and underlying reasoning rather than a descriptive approach . Developing a good DFMEA is critical for complex system engineering work and hence its a key skill to develop for career growth and innovation.
Overview
Section 1: Introduction
Lecture 1 Introduction
Lecture 2 Risks associated in Mechanical design and need for DFMEA
Lecture 3 What DFMEA accomplishes
Section 2: Basics of DFMEA
Lecture 4 Defining Failure modes
Lecture 5 Mechanical Phenomena of failure modes
Lecture 6 Cause , Effect and Root cause analysis
Lecture 7 Domains of underlying root causes
Lecture 8 Root cause Analysis - Example - Frame cracks
Lecture 9 Effects of failure and Examples
Lecture 10 Evaluation of Risk and and Severity levels
Lecture 11 Occurence
Lecture 12 Design prevention control
Lecture 13 Detection control and Design verification
Lecture 14 Grading of Occurence
Lecture 15 Detection and its Grading
Lecture 16 Grading of severity
Lecture 17 Process of preparation of DFMEA
Section 3: Boundary Diagram
Lecture 18 B diagram and Example of Bike
Lecture 19 B diagram Wrench
Lecture 20 B diagram Scissor jack
Lecture 21 External B diagram Seat Belt system
Section 4: Parameter Diagram
Lecture 22 P Diagram , example of a bracket
Lecture 23 Why P diagram ?
Lecture 24 P diagram details and Noise Factors
Lecture 25 Input , Output, , Control parameters definitions
Lecture 26 P diagram of Wrench
Lecture 27 P diagram of Scissor Jack
Lecture 28 P diagram of Bike
Section 5: DFMEA of a Bicycle
Lecture 29 Format
Lecture 30 DFMEA Bike Item 1
Lecture 31 DFMEA Bike Item 2
Lecture 32 DFMEA Bike Item 3
Lecture 33 DFMEA Bike Item 4
Lecture 34 Assigning Severity Rating to Item 1 failure modes
Lecture 35 Assigning Occurence ratings to Potential causes in Item 1
Lecture 36 Assigning Detection rating to Potential causes in Item 1
Lecture 37 Complete the DFMEA- Exercise
Section 6: Test your knowledge
Section 7: Bonus Section
Lecture 38 Bonus : More resources for learning Mechanical design
Mechanical design engineers who are into product development,Students aspiring to be mechanical design engineers



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