6. Design for X Techniques

Question 1

X represents

Answer 1

particular focus in the design phase based on your final goal

Question 2

DFM (design for manufacturing)

Answer 2

focused on reducing manufacturing cost + time

• limit special materials used
• do not design w/ strict tolerances
• look for max simplicity
• minimize n of production operations
• minimize number of technologies used

Question 3

DFA (design for assembly)

Answer 3

focused on reducing assembly cost + time

• favor match of components
• maximize a/symmetry
• minimize use of screws
• favor modularity + reduce n of components
• adopt an assembling direction

Question 4

DFE (design for environment)

Answer 4

aims to reduce/eliminate the overall environmental impact of the product

• design for dematerialization
• design for detoxification
• design for revalorization
• design for capital protection + renewal