DFA, DFM, & DFMA 2 DFA, DFM, & DFMA 2

DFA Guidelines
1. Reduce number of parts
2. Reduce number of different parts - Standardize parts
3. Simplification of assembly
4. Reduction number of processes
5. Less fasteners especially screws & bolts
6. Reduce tangling
7. Orientation
1. Critical orientation – obvious – see & fit
2. Non-critical orientation – fit in any direction
8. Ensure access & visibility
9. Easy part handling
10. Assemble from top
11. Reduce locating/alignment operations – manual/time
consuming