DFA, DFM, & DFMA 2 DFA, DFM, & DFMA 2
DFA, DFM, & DFMA 2 DFA, DFM, & DFMA 2
DFA, DFM, & DFMA 2 DFA, DFM, & DFMA 2
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STEP 5. When all of the rows have been completed (reassembled in effect), the<br />
assembly time column is added to give a total estimated assembly time.<br />
The estimated assembly cost column is also added to give a total estimated<br />
assembly cost.<br />
The theoretical minimum column is also summed.<br />
STEP 6. The design efficiency is calculated.<br />
Where N min = the theoretical part minimum<br />
E ma<br />
N .<br />
min t a<br />
t ma<br />
t a = the theoretical, lowest assembly time for one part<br />
This is an ideal minimum<br />
t ma = the estimated assembly time to complete assembly of<br />
the actual product
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