OPERATIONS MANAGEMENT LL W/CONNECT CODE
2nd Edition
ISBN: 9781266520037
Author: CACHON
Publisher: MCG CUSTOM
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Chapter 8, Problem 9PA
Summary Introduction
To determine: The information turnaround time for a defect made at station 2.
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Hammond Inc. has analyzed the setup time on its computer-controlled lathe. The setup requires changing the type of fixture that holds a part. The average setup time has been 135 minutes, consisting of the following steps:
Step
Time (in minutes)
Turn off machine and remove fixture from lathe
13
Go to tool room with fixture
15
Record replacement of fixture to tool room
18
Return to lathe
20
Clean lathe
17
Return to tool room
20
Record withdrawal of new fixture from tool room
12
Return to lathe
15
Install new fixture and turn on machine
8
Total setup time
138
Why should management be concerned about improving setup time?
What do you recommend to Hammond Inc. for improving setup time?
How much time would be required for a setup, using your suggestion in (b)?
Smooth Chin Device Company
The Smooth Chin Device Company is a manufacturer of high--end electric razors. These razors are produced using a machine--paced process. For each razor, a tray with components enters the process at the beginning of a conveyor belt. The tray then passes through the six steps (consisting of various tasks) explained in the table below. Workers perform the assembly operations on the moving tray. The last step consists of an inspection of the then fully assembled razor. The activity times of the process are as follows:
Station
Tasks
A
Preparation
1. Lay out chassis [12 sec]
2. Lay out screws [15 sec]
3. Lay out all other components [17 sec]
Total time for A: 44 sec
B
Assembly
4. Perform task AS1 [10 sec]
5. Perform task AS2 [10 sec]
6. Perform task AS3 [20 sec]
Total time for B: 40 sec
C
Assembly
7. Perform task AS4 [14 sec]
8. Perform task AS5 [16 sec]
9. Perform task AS6 [20 sec]
10. Perform task AS7 [5 sec]
Total time for C: 55 sec…
Smooth Chin Device Company
The Smooth Chin Device Company is a manufacturer of high--end electric razors. These razors are produced using a machine--paced process. For each razor, a tray with components enters the process at the beginning of a conveyor belt. The tray then passes through the six steps (consisting of various tasks) explained in the table below. Workers perform the assembly operations on the moving tray. The last step consists of an inspection of the then fully assembled razor. The activity times of the process are as follows:
Station
Tasks
A
Preparation
1. Lay out chassis [12 sec]
2. Lay out screws [15 sec]
3. Lay out all other components [17 sec]
Total time for A: 44 sec
B
Assembly
4. Perform task AS1 [10 sec]
5. Perform task AS2 [10 sec]
6. Perform task AS3 [20 sec]
Total time for B: 40 sec
C
Assembly
7. Perform task AS4 [14 sec]
8. Perform task AS5 [16 sec]
9. Perform task AS6 [20 sec]
10. Perform task AS7 [5 sec]
Total time for C: 55 sec…
Chapter 8 Solutions
OPERATIONS MANAGEMENT LL W/CONNECT CODE
Ch. 8 - Prob. 1CQCh. 8 - Prob. 2CQCh. 8 - Prob. 3CQCh. 8 - Prob. 4CQCh. 8 - Prob. 5CQCh. 8 - Prob. 6CQCh. 8 - Prob. 7CQCh. 8 - Prob. 8CQCh. 8 - What are the two pillars of the Toyota Production...Ch. 8 - Prob. 10CQ
Ch. 8 - Prob. 11CQCh. 8 - Prob. 12CQCh. 8 - Prob. 13CQCh. 8 - Prob. 14CQCh. 8 - Prob. 15CQCh. 8 - Prob. 16CQCh. 8 - Prob. 17CQCh. 8 - Prob. 18CQCh. 8 - Prob. 19CQCh. 8 - A company makes two models, A and B. Which of the...Ch. 8 - Prob. 21CQCh. 8 - Prob. 22CQCh. 8 - Prob. 23CQCh. 8 - Prob. 24CQCh. 8 - Prob. 25CQCh. 8 - Prob. 26CQCh. 8 - Prob. 1PACh. 8 - Prob. 2PACh. 8 - Prob. 3PACh. 8 - Prob. 4PACh. 8 - Prob. 5PACh. 8 - Prob. 6PACh. 8 - Prob. 7PACh. 8 - Prob. 8PACh. 8 - Prob. 9PACh. 8 - Prob. 10PA
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