Principles Of Operations Management
11th Edition
ISBN: 9780135173930
Author: RENDER, Barry, HEIZER, Jay, Munson, Chuck
Publisher: Pearson,
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Question
Chapter 9, Problem 14P
a)
Summary Introduction
To determine: The theoretical minimum for the smallest number of workstations.
b)
Summary Introduction
To assign: The different tasks to different workstations.
c)
Summary Introduction
To determine: The efficiency.
Introduction:
Efficiency:
Efficiency is the measure of what is actually produced as opposed to what can be theoretically produced with the same amount of resources.
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Stanford Rosenberg Computing wants to establish anassembly line for producing a new product, the Personal DigitalAssistant (PDA). The tasks, task times, and immediate predecessorsfor the tasks are as follows: Rosenberg's goal is to produce 180 PDAs per hour.a) What is the cycle time?b) What is the theoretical minimum for the number of workstations that Rosenberg can achieve in this assembly line?c) Can the theoretical minimum actually be reached when workstations are assigned?
Use the longest work element rule to balance the assembly line described in the following table and Figure so that it will produce 40 units per hour.a. What is the cycle time?b. What is the theoretical minimum number of workstations?c. Which work elements are assigned to each workstation?d. What are the resulting efficiency and balance delay percentages?e. Use the shortest work element rule to balance the assembly line. Do you note any changes in solution?
Work Element
Time (Sec)
Immediate Predecessor(s)
A
B
C
D
E
F
G
H
I
J
K
40
80
30
25
20
15
60
45
10
75
15
None
A
A
B
C
B
B
D
E,G
F
H,I,J
As part of a major plant renovation project, the industrial engineering department has been asked to balance a revised assembly operation to achieve an output of 250 units per 8-hour day. Task times and precedence relationships are as follows:
Task
Duration(minutes)
ImmediatePredecessor
a
0.5
-
b
0.4
a
c
0.5
b
d
0.3
-
e
1.8
d
f
1.9
c
g
2
e, f
Do each of the following: a. Determine the number of followers for each task.
(Please answer number of tasks following task for A-G)
Chapter 9 Solutions
Principles Of Operations Management
Ch. 9 - Prob. 1EDCh. 9 - Prob. 1DQCh. 9 - Prob. 2DQCh. 9 - Prob. 3DQCh. 9 - Prob. 4DQCh. 9 - Prob. 5DQCh. 9 - Prob. 6DQCh. 9 - Prob. 7DQCh. 9 - Prob. 8DQCh. 9 - Prob. 9DQ
Ch. 9 - Prob. 10DQCh. 9 - Prob. 11DQCh. 9 - Prob. 12DQCh. 9 - Prob. 13DQCh. 9 - Prob. 14DQCh. 9 - Prob. 15DQCh. 9 - Prob. 16DQCh. 9 - Prob. 17DQCh. 9 - Prob. 18DQCh. 9 - Prob. 1PCh. 9 - Prob. 2PCh. 9 - Prob. 3PCh. 9 - Roy Creasey Enterprises, a machine shop, is...Ch. 9 - Adam Munson Manufacturing, in Gainesville,...Ch. 9 - Prob. 6PCh. 9 - Prob. 7PCh. 9 - Prob. 8PCh. 9 - Prob. 9PCh. 9 - Six processes are to be laid out in six areas...Ch. 9 - Stanford Rosenberg Computing wants to establish an...Ch. 9 - Illinois Furniture, Inc., produces all types of...Ch. 9 - Prob. 14PCh. 9 - The Action Toy Company has decided to manufacture...Ch. 9 - Prob. 16PCh. 9 - Prob. 17PCh. 9 - Prob. 18PCh. 9 - Prob. 19PCh. 9 - Prob. 20PCh. 9 - Prob. 21PCh. 9 - Prob. 22PCh. 9 - Prob. 23PCh. 9 - Prob. 25PCh. 9 - Prob. 26PCh. 9 - Prob. 27PCh. 9 - Prob. 1CSCh. 9 - Prob. 2CSCh. 9 - Henry Coupe, the manager of a metropolitan branch...Ch. 9 - Prob. 4CSCh. 9 - Prob. 1.1VCCh. 9 - Prob. 1.2VCCh. 9 - Prob. 1.3VCCh. 9 - Prob. 1.4VCCh. 9 - Prob. 1.5VCCh. 9 - Prob. 1.6VCCh. 9 - Prob. 2.1VCCh. 9 - Prob. 2.2VCCh. 9 - Prob. 2.3VC
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