OPERATIONS MANAGEMENT IN THE SUPPLY CHAIN: DECISIONS & CASES (Mcgraw-hill Series Operations and Decision Sciences)
7th Edition
ISBN: 9780077835439
Author: Roger G Schroeder, M. Johnny Rungtusanatham, Susan Meyer Goldstein
Publisher: McGraw-Hill Education
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Chapter 15, Problem 7P
a)
Summary Introduction
To decide: What actions to be taken immediately, in case 1,000 finished lamps are required in week 5 and 1,500 finished lamps are required in week 6, given the “parts explosion”, the inventory on hand of finished lamps and parts and lead times as shown below.
b)
Summary Introduction
To calculate the total assembly time required, given that it takes 15 minutes to assemble the parts into the frame and 5 minutes to assemble the shade and frame into a finished lamp.
c)
Summary Introduction
To find out the changes in the material plan, if the lead time of assembly of lamps is extended from one week to two weeks.
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Table B shows a partially completed MPS record for ball
Develop the MPS for ball
Four customer orders arrived in the following sequences (Table B).
Table A
Order
Quantity
Week desired
1
500
4
2
400
5
3
300
1
4
300
7
Assume that you must commit to the orders in the sequence of arrival and cannot change the desired shipping dates or your MPS. Which orders should you accept?
Table B
Item: Ball bearings
Quantity on hand: 400
Order policy: 500 units Lead time: 1 week
Week
1
2
3
4
5
6
7
8
9
10
Forecast
550
300
400
450
300
350
200
300
450
400
Customer order
booked
300
350
250
250
200
150
100
100
100
100
Projected on-hand
inventory
MPS
quantity
500
MPS start
Available to promise
(ATP)
Product Z is made from three units of A, two of B, and
four of C. A, in turn, is made of one unit of C and five of
D. A customer order was received for 200 units of Z in
Week 8. (Hint: You will need to use "low-level coding",
i.e., pull each item to the lowest level it appears on
the BOM.) Item Lot Size On Hand Lead Time Z LFL 30 3
A LFL 40 1 B LFL 100 4 C 1000 50 3 D 500 2000 3 a.
Show the Bill of Materials b. Develop MRP schedules
showing gross/net requirements and planned order
releases/receipts for each item.
What is the lead time (in weeks) to respond to a customer order for product A, based on the BOM shown in Figure,assuming no existing inventories or scheduled receipts?
Chapter 15 Solutions
OPERATIONS MANAGEMENT IN THE SUPPLY CHAIN: DECISIONS & CASES (Mcgraw-hill Series Operations and Decision Sciences)
Ch. 15.7 - Prob. 1OLCh. 15 - Prob. 1DQCh. 15 - Prob. 2DQCh. 15 - With regard to inventory management, discuss the...Ch. 15 - Prob. 4DQCh. 15 - How much safety stock should be carried in a MRP...Ch. 15 - Prob. 6DQCh. 15 - Prob. 7DQCh. 15 - Prob. 8DQCh. 15 - Prob. 9DQ
Ch. 15 - Describe how MRP? concepts could be used for the...Ch. 15 - How are MRP and ERP related?Ch. 15 - The following information is given for a...Ch. 15 - eXcel The Old Hickory Furniture Company...Ch. 15 - Product A consists of subassemblies B and C....Ch. 15 - eXcel The BOM for product A given below Part on...Ch. 15 - The master scheduler in the ABC Widget Company is...Ch. 15 - A firm makes a basic scissors consisting of three...Ch. 15 - Prob. 7PCh. 15 - Prob. 8PCh. 15 - A small toy robot is assembled from sis parts: a...
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