Table 10-22 Dress-Making Task Information Immediate Task Time Work Element Predecessor (sec) A. Cut dress body B. Cut sleeves None 30 None 40 C. Cut collar D. Sew dress body None 20 A 100 В, D С, D E. Sew sleeves to dress 25 F. Sew collar to dress G. Hem dress 50 D, E, F 50 H. Package dress G 90

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A dress-making operation is being designed as an assembly
line. Table 10-22 shows the tasks that need to be performed, their
task times, and preceding tasks. If the goal is to produce 30 dresses
per hour, answer the questions that follow the table.

(a) Compute the cycle time.
(b) Which task is the bottleneck?
(c) What is the maximum output for this line?
(d) Compute the theoretical minimum number of stations.
(e) Assign work elements to stations, using the longest task
time rule.
(f) Compute the effi ciency and balance delay of your
assignment.

Table 10-22 Dress-Making Task Information
Immediate
Task Time
Work Element
Predecessor
(sec)
A. Cut dress body
B. Cut sleeves
None
30
None
40
C. Cut collar
D. Sew dress body
None
20
A
100
В, D
С, D
E. Sew sleeves to dress
25
F. Sew collar to dress
G. Hem dress
50
D, E, F
50
H. Package dress
G
90
Transcribed Image Text:Table 10-22 Dress-Making Task Information Immediate Task Time Work Element Predecessor (sec) A. Cut dress body B. Cut sleeves None 30 None 40 C. Cut collar D. Sew dress body None 20 A 100 В, D С, D E. Sew sleeves to dress 25 F. Sew collar to dress G. Hem dress 50 D, E, F 50 H. Package dress G 90
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