Operations Management: Processes and Supply Chains (12th Edition) (What's New in Operations Management)
12th Edition
ISBN: 9780134741062
Author: Lee J. Krajewski, Manoj K. Malhotra, Larry P. Ritzman
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 26P
The BOM for product A is shown in Figure 11.45. The MPS for product A calls for 120 units to be started in weeks 2, 4, 5, and 8. Table 11.14 shows data from the inventory records.
- Develop the material requirements plan for the next 8 weeks for each item.
- What specific managerial actions are required in week 1? Make sure you address any specific difficulties you encounter in the inventory records.
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The BOM for product A is shown in Figure 11.45. The MPS forproduct A calls for 120 units to be started in weeks 2, 4, 5, and8. Table 11.14 shows data from the inventory records.a. Develop the material requirements plan for the next8 weeks for each item.b. What specific managerial actions are required in week 1?Make sure you address any specific difficulties youencounter in the inventory records.
The product structure for product X is illustrated below.
Level 0
Level 1
4
Level 2
Level 3
Part
H
B
C
D
H
K
M
N
X
Z
с
K
B
Lead Time
(in weeks)
1
1
3
2
3
2
3
3
4
M
D
N
The lead time for manufacturing any number units for an item and the required number of units for the lower level part in
the product structure are reported in the following table. For example, each unit of Part X requires 1 units of Part C and,
in turn, each unit of Part C requires 2 units of Part H and 2 units of Part K.
2
1
4
2
2
2
4
1
2
Required
number of
units
X
Z
H
K
100 units of product X are to shipped at the end of week 25. There is no inventory on hand.
How many units of part N are required for production?
3200 Specify only the number.
As the production planner for Xiangling Hu Products, Inc., you have been given a bill of material for a bracket that is made up of a base, 2 springs, and 4 clamps. The base is assembled from 1 clamp and 1 housing. Each clamp has 1 handle and 2 castings. Each housing has 1 bearing and 2 shafts. There is no inventory on hand.
Part 2
a) Design a product structure noting the quantities for each item and show the low-level coding. Match each number in the structure below with the corresponding item.
Number
Item
I
Spring Subscript left parenthesis 2 right parenthesisSpring(2)
II
Housing Subscript left parenthesis 1 right parenthesisHousing(1)
III
Casting Subscript left parenthesis 2 right parenthesisCasting(2)
IV
Shaft Subscript left parenthesis 2 right parenthesisShaft(2)
Bracket
Base(1)
Clamp(1)
Handle(1)
Clamp(4)
Bearing(1)
Handle(1)
Casting(2)
IIIIIIIV
Part 3
b) Determine the…
Chapter 11 Solutions
Operations Management: Processes and Supply Chains (12th Edition) (What's New in Operations Management)
Ch. 11 - Consider the master flight schedule of a major...Ch. 11 - For an organization of your choice, such as where...Ch. 11 - Consider a service provider that is in the...Ch. 11 - Complete the MPS record in Figure 11.29 for a...Ch. 11 - Complete the MPS record in Figure 11.30 for a...Ch. 11 - Prob. 3PCh. 11 - Figure 11.31 shows a partially completed MPS...Ch. 11 - Tabard Industries forecasted the following demand...Ch. 11 - Figure 11.32 shows a partially completed MPS...Ch. 11 - The forecasted requirements for an electric hand...
Ch. 11 - A forecast of 240 units in January, 320 units in...Ch. 11 - An end items demand forecasts for the next 6 weeks...Ch. 11 - An end items demand forecasts for the next 10...Ch. 11 - Consider the bill of materials (BOM) in Figure...Ch. 11 - Product A is made from components B, C, and D....Ch. 11 - What is the lead time (in weeks) to respond to a...Ch. 11 - Product A is made from components B and C. Item B,...Ch. 11 - Refer to Figure 11.23 and Solved Problem 1. If...Ch. 11 - The partially completed inventory record for the...Ch. 11 - The partially completed inventory record for the...Ch. 11 - The partially completed inventory record for the...Ch. 11 - Figure 11.38 shows a partially completed inventory...Ch. 11 - A partially completed inventory record for the...Ch. 11 - The BOM for product A is shown in Figure 11.40,...Ch. 11 - The BOMs for products A & B and data from the...Ch. 11 - Figure 11.42 illustrates the BOM for product A....Ch. 11 - The following information is available for three...Ch. 11 - Figure 11.44 shows the BOMs for two products, A...Ch. 11 - The BOM for product A is shown in Figure 11.45....Ch. 11 - Refer to Solved Problem 1 (Figure 11.23) for the...Ch. 11 - The bill of materials and the data from the...Ch. 11 - The bill of materials and the data from the...Ch. 11 - The McDuff Credit Union advertises their ability...Ch. 11 - Suppose that the POQ for item B is changed from 3...Ch. 11 - As the on-hand inventory for item C increases from...Ch. 11 - As the fixed order quantity (FOQ) for item D...Ch. 11 - As the lead time for item C changes, what happens...
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- The BOM for product A is shown in Figure 11.40, and datafrom the inventory records are shown in Table 11.9. In theMPS for product A, the MPS start row has 100 units in week 3and 200 in week 6. Develop the material requirements planfor the next 6 weeks for items C, D, and E. a. Develop the material requirements plan for the next6 weeks for items C, D, and E.b. What specific managerial actions are required inweek 1?arrow_forwardAs the production planner for Xiangling Hu Products, Inc., you have been given a bill of material for a bracket that is made up of a base, 1 spring, and 3 clamps. The base is assembled from 2 clamp and 1 housing. Each clamp has 1 handle and 1 casting. Each housing has 2 bearing and 2 shaft. There is no inventory on hand. Part 2 a) Design a product structure noting the quantities for each item and show the low-level coding. Match each number in the structure below with the corresponding item. Number Item I Bracket II Spring Subscript left parenthesis 1 right parenthesis III Clamp Subscript left parenthesis 3 right parenthesis IV Bearing Subscript left parenthesis 2 rightarrow_forwardConsider the bill of materials (BOM) in Figure 11.33.a. How many immediate parents (one level above) does item I have? How many immediate parents does item E have?b. How many unique components does product A have at all levels?c. Which of the components are purchased items?d. How many intermediate items does product A have at all levels?e. Given the lead times (LT) in weeks noted on Figure 11.33, how far in advance of shipment must a purchase commitment be for any of the purchased items identified in part (c)?arrow_forward
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- Figure shows the BOMs for two products, A and B. Table 1 shows the MPS quantity start date for each one. Table 2 contains data from inventory records for items C, D, and E. There are no safety stock requirements for any of the items.a. Determine the material requirements plan for items C, D, and E for the next 8 weeks.b. What specific managerial actions are required in week 1?c. Suppose that a very important customer places an emergency order for a quantity of product A. To satisfy this order, a new MPS of 200 units of product A is now required in week 5. Determine the changes to the material requirements plan if this order is accepted and note any problems that you detect. MPS Quantity Start Dates Date Product 1 2 3 4 5 6 7 8 A 125 95 150 130 B 80 70 Inventory Record Data Item Data Category C D E Lot-sizing rule L4L POQ 1P = 32 FOQ = 800 Lead time 3 weeks 2 weeks 1 weeks Scheduled receipts 200 (week 2) None 800 (week 1) Beginning…arrow_forwardFigure 1 shows the BOM for product A. Table 1 shows the MPS quantity start dates for product A, and Table 2 contains data from inventory records for items B, C, and D. The production planner wants to determine the material requirements plan for items B, C, and D for the next 8 weeks. What is the planned receipts quantity for item D for week 6? C (3) D (2) 8 (1) D (2) C2) Figure 1. BOM for product A Table 1. MPS quantity start dates for product A Week Product 1 3 70 4. 6. 7. 8. 80 100 70 100 Table 2. Inventory record data Item Data category Lot-sizing rule Lead time Scheduled receipts Beginning inventory Safety stock LAL 2 weeks 100 (week 3) FOQ= 500 1 week 150 (week 1) POQ (P-4) 1 week 500 (week 1) 600 100 200 None 130arrow_forwardFigure below shows a partially completed MPS record for ball bearings.a. Develop the MPS for ball bearings.b. Four customer orders arrived in the following sequence:Order Quantity Week Desired1 500 42 400 53 300 14 300 7Assume 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?arrow_forward
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