# Cycle Determining cycle time for required output

A company is setting up an assembly line to produce 120 units per hour. The table below identifies the work elements, times, and immediate predecessors.

Work Element Time (Sec.) Immediate Predecessor(s)

A 21 ---

B 20 A

C 25 A

D 20 B

E 10 B

F 15 C

G 10 C

H 12 D,E

I 12 F,G

J 20 H,I

a) What cycle time is required to satisfy the required output?

b) What is the theoretical minimum number of stations?

c) Balance the assembly line so that it will produce 120 units per hour. Clearly state which decision rule you are using and the work elements assigned to each station.

d) What is the efficiency of the line you found in part c?

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#### Solution Preview

1. (Chapter 7) A company is setting up an assembly line to produce 120 units per hour. The table below identifies the work elements, times, and immediate predecessors.

Work Element Time (Sec.) Immediate Predecessor(s)

A 21 ---

B 20 A

C 25 A

D 20 B

E 10 B

F 15 C

G 10 C

H 12 D,E

I 12 F,G

J 20 H,I

a) What cycle time is required to satisfy the required output? The Cycle time is equal to the total time to process one unit. In this case, the cycle time is 165 seconds.

b) What is the theoretical minimum ...

#### Solution Summary

The expert examines cycle determining cycle times for required outputs. The immediate predecessors are given.