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
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
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Question
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
- Assign the tasks to work stations using the LOT rule.
- 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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Step 1: Understand the concept- Cycle time and theoretical minimum number of work stations
VIEWStep 2: B) calculation for cycle time
VIEWStep 3: C. Calculation for Theoretical minimum number of work stations
VIEWStep 4: D. assigning tasks to work stations using LOT
VIEWStep 5: E. Impact of adding 7th person in WS 1
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Follow-up Question
Calculate the efficiency of the line and Calculate the total idle time.
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