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 4, Problem 9P
Tuff-Rider, Inc. manufactures touring bikes and mountain bikes in a variety of frame sizes, colors, and component combinations. Identical bicycles are produced in lots of 100. The projected demand, lot size, and time standards are shown in the following table.
The shop currently works 8 hours a day, 5 days a week, 50 weeks a year. It operates five workstations, each producing one bicycle in the time shown in the table. The shop maintains a 15 percent capacity cushion. How many workstations will be required next year to meet expected demand without using overtime amid without decreasing the firm’s current capacity cushion?
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Tuff-Rider, Inc., manufactures touring bikes and mountain bikes in a variety of frame sizes, colors, and component combinations. Identical bicycles are produced in lots of
90.
The projected demand, lot size, and time standards are shown in the following table:
LOADING...
Item
Touring
Mountain
Demand forecast
4,000
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12,000
units/year
Lot size
110
units
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Standard processing time
0.30
hour/unit
0.75
hour/unit
Standard setup time
2 hours/lot
3 hours/lot
The shop currently works 8 hours a day, 5 days a week,
50
weeks a year. It operates five workstations, each producing one bicycle in the time shown in the table. The shop maintains a 15 percent capacity cushion. How many workstations will be required next year to meet expected demand without using overtime and without decreasing…
Up, Up, and Away is a producer of kites and wind socks. Relevant data on the bottleneck operation in the shop for the upcoming fiscal year are given in the following table
Wind Socks
10,000 units/year
Item
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Standard setup time
Kites
32,000 units/year
25 units
0.4 hourlunit
3.0 hours/lot
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0.8 hour/unit
40 hours/fol
The shop works two shifts per day, 8 hours per shift, 210 days per year. Currently, the company operates four machines, and desires a 25 percent capacity cushion. How many machines should
be purchased to meet the upcoming year's demand without resorting to any short-term capacity solutions?
The number of additional machines required is (Enter your response rounded up to the next whole number)
York-Perry Industries (YPI) manufactures a mix of affordable guitars (A, B, C) that are fabricated and assembled at four different processing stations (W,
X, Y, Z). The operation is a batch process with small setup times that can be considered negligible. The product information (price, weekly demand, and
processing times) and process sequences are shown below. Purchased parts and raw materials (shown as a per-unit consumption rate) are represented
by inverted triangles. YPI is able to make and sell up to the limit of its demand per week with no penalties incurred for not meeting the full demand. Each
workstation is staffed by one highly skilled worker who is dedicated to work on that workstation alone and is paid $17 per hour. The plant operates
one 8-hour shift per day and operates on a 5-day work week (i.e., 40 hours of production per person per week). Overhead costs are $9,000/week.
Product A
$11
Step 1
Station W
(14 min)
Step 2
Station Z
(10 min)
Raw materials
$5
Purchased part…
Chapter 4 Solutions
Operations Management: Processes and Supply Chains (12th Edition) (What's New in Operations Management)
Ch. 4 - Prob. 1DQCh. 4 - Prob. 2DQCh. 4 - The Dahlia Medical Center has 30 labor rooms, 15...Ch. 4 - A process currently services an average of 50...Ch. 4 - An airline company must plan its fleet capacity...Ch. 4 - Food Goblin Supermarkets use both cashiers and...Ch. 4 - Returning to Problem 4, under both assumption of...Ch. 4 - Purple Swift manufactures birdhouses in lots of...Ch. 4 - Macon Controls produces three different types of...Ch. 4 - Up, Up, and Away is a producer of kites and wind...
Ch. 4 - Tuff-Rider, Inc. manufactures touring bikes and...Ch. 4 - Arabelle is considering expanding the floor area...Ch. 4 - The Astro World amusement park has the opportunity...Ch. 4 - Kim Epson operates a full-service car wash, which...Ch. 4 - MKM International is seeking to purchase a new CNC...Ch. 4 - Prob. 17PCh. 4 - Prob. 18PCh. 4 - Prob. 19PCh. 4 - Dawson Electronics is a manufacturer of high-tech...Ch. 4 - A manager is trying to decide whether to buy one...Ch. 4 - Acme Steel Fabricators experienced booming...Ch. 4 - Referring to Problem 7, the operations manager at...Ch. 4 - Darren Mack owns the Gas n’ Go convenience store...Ch. 4 - Prob. 25PCh. 4 - Prob. 1VCCh. 4 - Prob. 2VCCh. 4 - How does Southwest Airlines know they are...Ch. 4 - Prob. 4VCCh. 4 - Prob. 1CCh. 4 - Prob. 2CCh. 4 - Prob. 3C
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