A very special manufacturing operation is being designed as an assembly line. Table 1 shows the tasks that need to be performed, their task time, and preceding tasks. The goal is to produce 5760 products per month. The company has an operation pattern of 24 days per month with 8 hours per day. 1. i. Draw a precedence diagram. Determine the cycle time. Using the largest work element-time rule, assign tasks to the workstations in order to have appropriate line balancing. Identify the idle time for workstation 1, 2 and 6. ii. iii. iv. Identify the number of workstations for the balanced line. Calculate the balanced line effieciency to 2 decimal places (Example 0.78). V. vi.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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  1. A very special manufacturing operation is being designed as an assembly line. Table 1 shows the tasks that need to be performed, their task time, and preceding tasks. The goal is to produce 5760 products per month. The company has an operation pattern of 24 days per month with 8 hours per day.

 

  1. Draw a precedence diagram.
  2. Determine the cycle time.
  3. Using the largest work element-time rule, assign tasks to the workstations in order to have appropriate line balancing.
  4. Identify the idle time for workstation 1, 2 and 6.
  5. Identify the number of workstations for the balanced line.
  6. Calculate the balanced line effieciency to 2 decimal places (Example 0.78).
A very special manufacturing operation is being designed as an assembly line. Table 1
shows the tasks that need to be performed, their task time, and preceding tasks. The goal is
to produce 5760 products per month. The company has an operation pattern of 24 days per
month with 8 hours per day.
1.
i.
Draw a precedence diagram.
Determine the cycle time.
Using the largest work element-time rule, assign tasks to the workstations in order
to have appropriate line balancing.
Identify the idle time for workstation 1, 2 and 6.
ii.
ii.
iv.
Identify the number of workstations for the balanced line.
Calculate the balanced line effieciency to 2 decimal places (Example 0.78).
V.
vi.
Table 1: Dress making task information
Task
Immediate Predecessors
Time Required
(second)
32.64
A
42.64
C
22.64
D
102.64
А, В
E
27.64
D
С, D
Е, F
F
52.64
G
52.64
H
92.64
G
I
12.64
H
J
53.64
H
K
47.64
H
L
50.64
J
Transcribed Image Text:A very special manufacturing operation is being designed as an assembly line. Table 1 shows the tasks that need to be performed, their task time, and preceding tasks. The goal is to produce 5760 products per month. The company has an operation pattern of 24 days per month with 8 hours per day. 1. i. Draw a precedence diagram. Determine the cycle time. Using the largest work element-time rule, assign tasks to the workstations in order to have appropriate line balancing. Identify the idle time for workstation 1, 2 and 6. ii. ii. iv. Identify the number of workstations for the balanced line. Calculate the balanced line effieciency to 2 decimal places (Example 0.78). V. vi. Table 1: Dress making task information Task Immediate Predecessors Time Required (second) 32.64 A 42.64 C 22.64 D 102.64 А, В E 27.64 D С, D Е, F F 52.64 G 52.64 H 92.64 G I 12.64 H J 53.64 H K 47.64 H L 50.64 J
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