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Design FMEA
About DFMEA
DFMEA (Design Failure Mode and Effects Analysis) helps to identify potential risks in a system or component. It is created for a new design and updated whenever new faults are discovered, or design changes have been made. It should be reviewed at the start of any problem-solving activity.
Identify and mitigate potential risks in a system or component
DFMEA returns a list of rated risks with action priorities (AP) high, medium or low. For high priorities mitigation actions must be defined and implemented.
Product FMEA VDA Standard
Qualica Software provides a specialized form for editing system, functions, and failures in one view. Of course, the <i>System Analysis</i> component can also be used to define the structure in a graphical way.
The FMEA form is divided into 3 lines with 3 columns each. The first line resembles the system structure, the second line shows functions, and the third line handles failures, their effects and causes. Use the left upper box to edit the main components of the system, usually just one. In the upper center, edit the first details level of system components, at the right, enter sub-components. In the second line you can find the main product functions at the left and 2 levels of sub-functions to the right. The bottom center shows the possible failures. The effects of these possible failures are found to the left, the possible causes to the right.
Worksheets
Structure Analysis
DFMEA Worksheet
This is a VDA conform tabular representation of the design fmea.
Step 1: Planning and Preparation
This area contains the project data. Fill out the yellow fields.Step 2: Structural Analysis
This section shows the 3 abstraction levels of the system elements. Use the drop-down control in the center to select the focussed system element.Step 3: Functional Analysis
This section shows the 3 abstraction levels of the product functions. Use the drop-down control in the center to select the focussed function. Each function is connected to the system element in section 2.Step 4: Failure Analysis
This part shows the 3 levels of failures: the center column contains the possible failure modes connected to the focussed function. Left of the failure mode is the list of possible failure effects. You can enter the severity for each effect here. The 3rd column contains all possible causes for the failure mode.Step 5/6: Risk Analysis and Optimization
Enter initial occurence and detection values as well as tasks to improve those values.
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