The manufacturer of children’s toys designed a special toy truck that can be assembled in 8 basic steps. The required time and predecessors for the tasks can be seen in the table below. There are 7.5 productive hours available in a day and the manufacturer wishes to produce 400 units. Task Time (Sec) Predecessor A 45 - B 50 A C 20 A D 55 A E 15 D F 65 D G 25 E H 35 B, C, F, G B. Calculate the cycle time for this process. C. Calculate the theoretical minimum number of workstations. D. Assign the tasks to work stations using the LOT rule. E. The process design team realizes that the potential spike in demand for this device requires increased output. They elect to add a seventh worker to their production team at the first station. What is the net effect of adding this worker?

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The manufacturer of children’s toys designed a special toy truck that can be assembled in 8 basic steps. The required time and predecessors for the tasks can be seen in the table below. There are 7.5 productive hours available in a day and the manufacturer wishes to produce 400 units.

Task

Time (Sec)

Predecessor

A

45

-

B

50

A

C

20

A

D

55

A

E

15

D

F

65

D

G

25

E

H

35

B, C, F, G

B. Calculate the cycle time for this process.

C. Calculate the theoretical minimum number of workstations.

D. Assign the tasks to work stations using the LOT rule.

E. The process design team realizes that the potential spike in demand for this device requires increased output. They elect to add a seventh worker to their production team at the first station. What is the net effect of adding this worker?

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Regarding section D with assigning the workstations:

How would Task F go first if it could not be completed with Task D? Usint LOT. regardless of the time each took, doesn't one still have to bare in mind the predecessors? I would assume Tasks A and B would be Workstation 1, considering that 45 plus 20 seconds is less than the cycle time and factoring in the fact that C only requires A to be completed, hence why the workstation should start at A followed by C.

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