EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 8220100793431
Author: KALPAKJIAN
Publisher: PEARSON
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Chapter 12, Problem 19QLP
What type of cast iron would be suitable for heavy-machine bases, such as presses and machine tools? Why?
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Chapter 12 Solutions
EBK MANUFACTURING ENGINEERING & TECHNOL
Ch. 12 - Why are steels more difficult to cast than cast...Ch. 12 - What is the significance of hot spots in metal...Ch. 12 - What is shrinkage allowance? Machining allowance?Ch. 12 - Explain the reason for drafts in molds.Ch. 12 - Prob. 5RQCh. 12 - What are light castings and where are they used...Ch. 12 - Name the types of cast irons generally available,...Ch. 12 - Comment on your observations regarding Fig. 12.5.Ch. 12 - Describe the difference between a runner and a...Ch. 12 - What is the difference between machining allowance...
Ch. 12 - What is dross? Can it be eliminated?Ch. 12 - Describe your observation concerning the design...Ch. 12 - If you need only a few castings of the same...Ch. 12 - Do you generally agree with the cost ratings in...Ch. 12 - Describe the nature of the design differences...Ch. 12 - Note in Fig. 12.5 that the ductility of some cast...Ch. 12 - Do you think that there will be fewer defects in a...Ch. 12 - Explain the difference in the importance of drafts...Ch. 12 - What type of cast iron would be suitable for...Ch. 12 - Explain the advantages and limitations of sharp...Ch. 12 - Explain why the elastic modulus, E, of gray cast...Ch. 12 - If you were to incorporate lettering or numbers on...Ch. 12 - The general design recommendations for a well in...Ch. 12 - The heavy regions of parts typically are placed in...Ch. 12 - What are the benefits and drawbacks to having a...Ch. 12 - When designing patterns for casting, patternmakers...Ch. 12 - Using the information given in Table 12.2, develop...Ch. 12 - The part in Figure P12.28 is to be cast of 10% Sn...Ch. 12 - Describe the general design considerations...Ch. 12 - Add more examples of applications to those shown...Ch. 12 - Explain how ribs and serrations are helpful in...Ch. 12 - List casting processes that are suitable for...Ch. 12 - Small amounts of slag and dross often persist...Ch. 12 - If you need only a few units of a particular...Ch. 12 - For the cast metal wheel illustrated in Fig....Ch. 12 - Assume that the introduction to this chapter is...Ch. 12 - In Fig. P12.37, the original casting design shown...Ch. 12 - An incorrect and a correct design for casting are...Ch. 12 - Using the method of inscribed circles, shown in...Ch. 12 - A growing trend is the production of patterns and...Ch. 12 - Repeat Problem 12.40 for the case where (a) a...
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- Explain the basic principle of the following steel making process: 1. Bessemer process 2. Open-heart process 3. Electric Arc processarrow_forwardExplain why carbon steels are preferred over alloy steel for manufacturing shafts that are used for power transmission even though alloy steels have high strength than carbon steels?arrow_forwardExplain why the engineer choose plain carbon steel instead of alloy steel ? justify your answer with suitable references regarding the advantage of plain carbon steel mechanical properties and other suitable properties related to your chosen design/building.arrow_forward
- Q3 Give the reason for 10 of the following. - 1- The use of lubricant in wire drawing die. 2- The uses of tungsten carbide for the manufacturing of die tool. 3- The increase of Mo/Si ratio during the production of white cast iron. 4- The addition of Al to copper alloys. 5- Aluminum is a better overall conductor than Copper for long distance electric transformation. 6- The addition of cryolite in smelting electrical furnace due to the production of aluminum. 7- The addition of Magnesium and Cerium during the production of Ductile cast iron. 8- The addition of 13% Cr to steel in corrosive environment. 9- The increase of hardness for chips due to the cutting process. 10- The brittle fracture of steel at low temperature lower than -4 C. 11- The heating of metal after the rolling process.arrow_forwardAre the shafts often subjected to loads applied to attached pulleys and gears?arrow_forwardWhat is the difference in material property of low carbon & high carbon steels?arrow_forward
- The cold-workability of brass decreases with increasing. The mechanical properties of cast iron effected with the degree of graphite nodularity, because of The alloy system that can be strengthening by precipitation is The unweldability of stainless steels results from...........arrow_forwardIncreasing the degree of graphite nodularity produces an improvement in cast iron elongation, due to ........... .........arrow_forward2 2 . 13 Explain the difference between M-series and T-series high-speed steels.arrow_forward
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