Manufacturing Engineering & Technology
Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 40, Problem 51SDP

Discuss the factors that influence the choice between the following pairs of processes to make the products indicated:

  1. a. Sand casting vs. die casting of a fractional electric-motor housing
  2. b. Machining vs. forming of a large-diameter bevel gear
  3. c. Forging vs. powder metallurgy production of a cam
  4. d. Casting vs. stamping a sheet-metal frying pan
  5. e. Making outdoor summer furniture from aluminum tubing vs. cast iron
  6. f. Welding vs. casting of machine-tool structures
  7. g. Thread rolling vs. machining of a bolt for high-strength application
  8. h. Thermoforming a plastic vs. molding a thermoset to make the blade for an inexpensive household fan
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A manufacturer of plastic traffic cones sells the cones at a wholesale cost of £8 pounds per cone. The variable cost for each cone is £3. The annual overhead cost for the production line is £100,000. Current production is 30,000 cones/units per annum. What is the annual profit generated by this production line? £240,000 £50,000 £50,000 £150,000 £90,000 Hide hint for Question 14 The question is asking for the annual profit and not the contribution. Use Break-even theory.
A process currently services an average of 59 customers per day. Observations in recent weeks show that its utilization is about 90​ percent, allowing for just a 10 percent capacity cushion. If demand is expected to be 70 percent of the current level in five years and management wants to have a capacity cushion of just 4 ​percent, what capacity requirement should be​ planned? The needed capacity requirement is nothing customers per day. ​(Enter your response rounded up to the next whole number.​)
Please don't provide handwritten solution .....

Chapter 40 Solutions

Manufacturing Engineering & Technology

Ch. 40 - What is the difference between production...Ch. 40 - Is there a significant difference between...Ch. 40 - How would you define value? Explain.Ch. 40 - Define sustainable manufacturing.Ch. 40 - What is the meaning and significance of the term...Ch. 40 - Describe the major considerations involved in...Ch. 40 - What is meant by manufacturing process...Ch. 40 - Prob. 18QLPCh. 40 - Explain why the value of the scrap produced in...Ch. 40 - Prob. 20QLPCh. 40 - Prob. 21QLPCh. 40 - Explain why it takes different amounts of energy...Ch. 40 - Refer to Table 40.2 and explain why it is...Ch. 40 - Explain how the high cost of some of the...Ch. 40 - On the basis of the topics covered in this book,...Ch. 40 - What factors are involved in the shape of the...Ch. 40 - Describe the problems that may have to be faced...Ch. 40 - Prob. 28QLPCh. 40 - Prob. 29QLPCh. 40 - Prob. 30QLPCh. 40 - Prob. 31QLPCh. 40 - Review Table 40.2 and estimate the carbon...Ch. 40 - Explain why the larger the quantity per package...Ch. 40 - Prob. 34QLPCh. 40 - As you can see, Table 40.5 lists only metals and...Ch. 40 - Is it always desirable to purchase stock that is...Ch. 40 - Prob. 37SDPCh. 40 - Prob. 38SDPCh. 40 - Prob. 39SDPCh. 40 - Over the years, numerous consumer products (such...Ch. 40 - List and discuss the different manufacturing...Ch. 40 - Prob. 42SDPCh. 40 - Prob. 43SDPCh. 40 - Select three different products commonly found in...Ch. 40 - Prob. 45SDPCh. 40 - The cross-section of a jet engine is shown in Fig....Ch. 40 - Inspect some products around your home, and...Ch. 40 - Prob. 48SDPCh. 40 - Discuss the trade-offs involved in selecting...Ch. 40 - Discuss the factors that influence the choice...Ch. 40 - Prob. 52SDPCh. 40 - Figure P40.53 shows a sheet-metal part made of...Ch. 40 - The part shown in Fig. P40.54 is a carbon-steel...
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