DFA Analysis and Redesign of an Electric Heater Fan

A Design for Assembly (DFA) and redesign was performed for an Electric Heater Fan (see picture below).

Electric Heater Fan

The following improvements were achieved considering the new design separately, and also as compared to the existing design:

1. Number of parts reduced from 86 to 21.
2. 27% improvement in the Combined Average Merit (CAM).
3. 207% improvement for the Product Assembly Merit (PAM).

The detailed analysis and report can be found here.

Original Design

Part Sequence diagram for original design

Proposed New design

Part Sequence diagram for new design