A Heuristic-Mixed Genetic Algorithm for Type II Assembly Line Balancing with Multiple Workers in Workstations

Table 4

Tasks and task durations of interphone assembling.

No.	Task	Dur.(s)	No.	Task	Dur.(s)
1	Weld diode	7	16	Install battery chip	10
2	Weld transistor	6	17	Install antenna cloth	6
3	Weld capacitor	6.5	18	Install earbud holder	6
4	Weld resistance	8	19	Close case	8
5	Weld chip capacitor 1	4	20	Screw	16
6	Weld chip capacitor 2	4	21	Prepare package	8
7	Weld 8pinIC	16	22	Label package	3
8	Weld 24pinIC	32	23	Prepare inner package	6
9	Prepare antenna	9	24	Fold inner package	7
10	Weld antenna	7	25	Fold instruction	5
11	Weld volume switch	5	26	Put instruction	2
12	Weld power switch	5	27	Visual inspection	7
13	Weld shell lens	23	28	Put interphone	2
14	Install decoration	5	29	Seal package	4
15	Install dealer rubber	3	30	Wrap package	3