EBK OM
6th Edition
ISBN: 9781305888210
Author: Collier
Publisher: YUZU
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Question
Chapter 8, Problem 6PA
(a)
Summary Introduction
Interpretation: Minimum and maximum cycle time are to be calculated.
Concept Introduction:
The minimum cycle time is similar to the longest task time in the pool of tasks needed to produce the products, whereas maximum cycle time refers to the sum of all task time needed to produce finished goods.
(b)
Summary Introduction
Interpretation: Daily outputthat will be acquired by those cycle times are to be calculated.
Concept Introduction:
The minimum cycle time is similar to the longest task time in the pool of tasks needed to produce the products, whereas maximum cycle time refers to the sum of all task time needed to produce finished goods.
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An assembly line with 17 tasks is to be balanced. The longest task is 2.4 minutes, and the totaltime for all tasks is 18 minutes. The line will operate for 450 minutes per day.a. What are the minimum and maximum cycle times?
An assembly line with 50 activities is to be balanced. The total amount of time to complete all 50 activities is 60 minutes. The longest activity takes 1.8 minutes and the shortest takes 0.6 minute. The line will operate for 540 minutes per day.
What are the maximum and minimum cycle times? Round your answers to one decimal place.
Maximum cycle time: minutes
Minimum cycle time: minutes
How much daily output will be achieved by each of those cycle times? Round your answers to the nearest whole number.
Daily output achieved by maximum cycle time: units/day
Daily output achieved by minimum cycle time: units/day
Dr. Lori Baker, operations manager at Nesa Electronics, prides herself on excellent assembly line balancing. She has been told that the firm needs to complete 96 instruments per 24-hour day. The assembly-line tasks for the production of the instrument are:
Task
Time (minutes)
Predecessors
A
3
----
B
6
----
C
7
A
D
5
A, B
E
2
B
F
4
C
G
5
F
H
7
D, E
I
1
H
J
6
E
K
4
G, I, J
Draw the precedence diagram
If the daily production (24-hour) production rate is 96 units, what is the highest allowable cycle time?
If the cycle time after allowances is given as 12 minutes, what is the daily (24-hour) production rate?
With a 12-minute cycle time, what is the theoretical minimum number of stations with which the line can be balanced?
Assign task to workstations. Use the following decision rules (heuristics): longest task first, break ties by assigning the task with the most followers.
What are the efficiency and the balance delay of the assembly line?
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