Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 10, Problem 57SDP
Utilizing the equipment and materials available in a typical kitchen, design an experiment to reproduce results similar to those shown in Fig. 10.11. Comment on your observations.
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Chapter 10 Solutions
Manufacturing Engineering & Technology
Ch. 10 - Explain why casting is an important manufacturing...Ch. 10 - Why do most metals shrink when they are cast?Ch. 10 - What are the differences between the...Ch. 10 - What are dendrites? Why are they called so?Ch. 10 - Describe the difference between short and long...Ch. 10 - What is superheat? Is it important? What are the...Ch. 10 - Define shrinkage and porosity. How can you tell...Ch. 10 - What is the function of chills? What are they made...Ch. 10 - Why is the Reynolds number important in casting?Ch. 10 - What is a sprue? What shape should a sprue have if...
Ch. 10 - How is fluidity defined? Why is it important?Ch. 10 - Explain the reasons for hot tearing in castings.Ch. 10 - Why is it important to remove dross or slag during...Ch. 10 - Why is Bernoullis equation important in casting?Ch. 10 - Describe thixocasting and rheocasting.Ch. 10 - What is Chvorinovs Rule?Ch. 10 - How is a blister related to a scab?Ch. 10 - Is there porosity in a chocolate bar? In an ice...Ch. 10 - Describe the stages involved in the contraction of...Ch. 10 - Explain the effects of mold materials on fluid...Ch. 10 - It is known that pouring metal at a high rate into...Ch. 10 - Describe the events depicted in Fig. 10.5.Ch. 10 - Would you be concerned about the fact that...Ch. 10 - Review Fig. 10.8 and make a summary, explaining...Ch. 10 - Make a sketch of volume vs. temperature for a...Ch. 10 - What practical demonstrations can you suggest to...Ch. 10 - Explain why a casting may have to be subjected to...Ch. 10 - List and explain the reasons why porosity can...Ch. 10 - Why does porosity have detrimental effects on the...Ch. 10 - A spoked handwheel is to be cast in gray iron. In...Ch. 10 - Which of the following considerations are...Ch. 10 - Explain why the constant C in Eq. (10.7) depends...Ch. 10 - Are external chills as effective as internal...Ch. 10 - Explain why, as shown in Table 10.1, gray cast...Ch. 10 - Referring to Fig. 10.11, explain why internal...Ch. 10 - Note the shape of the two risers shown in Fig....Ch. 10 - Is there any difference in the tendency for...Ch. 10 - What is the influence of the cross-sectional area...Ch. 10 - It has long been observed that (a) low pouring...Ch. 10 - In casting metal alloys, what would you expect to...Ch. 10 - If you inspect a typical cube of ice, you are...Ch. 10 - How can you tell whether cavities in a casting are...Ch. 10 - Describe the drawbacks to having a riser that is...Ch. 10 - Reproduce Fig. 10.2 for a casting that is...Ch. 10 - List the process variables that affect the...Ch. 10 - Assume that you have a method of measuring...Ch. 10 - A round casting is 0.2 m (7.9 in.) in diameter and...Ch. 10 - A cylinder with a diameter of 2.0 in. and a height...Ch. 10 - The constant C in Chvorinovs rule is given as 2.5...Ch. 10 - Pure copper is poured into a sand mold. The metal...Ch. 10 - For the sprue described in Problem 10.58, what...Ch. 10 - When designing patterns for casting, pattern...Ch. 10 - Can you devise fluidity tests other than that...Ch. 10 - Figure P10.55 indicates various defects and...Ch. 10 - The fluidity test shown in Fig. 10.9 illustrates...Ch. 10 - Utilizing the equipment and materials available in...Ch. 10 - One method of relieving stress concentrations in a...Ch. 10 - Describe the effects on mold design, including the...Ch. 10 - Small amounts of slag often persist after skimming...Ch. 10 - Design an experiment to measure the constants C...
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- Question 3 pls. Complete solution. Thanksarrow_forwardHot working is a process commonly seen in the production floor that usually involved heating furnaces. Explain one reason of hot working and justify the types of heat-treating furnaces. (Word limit: ~150)arrow_forwardIs compression molding a reversible process or irreversible process? Explain.arrow_forward
- Casting is a manufacturing process in which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify. You are given a task to fabricate an engine block. In your own words, explain how to fabricate it using any suitable four types of processes which can be used and discuss the benefits of each processesarrow_forwardQuestion 2 pls. Complete soln. Thanksarrow_forwardWhat is rapid prototyping, and how does it differ from traditional prototyping methods? Provide examples of industries where rapid prototyping is particularly valuable.arrow_forward
- Briefly explain the Casting and Molding processes and define their basic requirements. If a manufacturer was asked to produce a set of plastic bottles, which method would you suggest?Justify your answer.arrow_forwardExplain the significance of tolerance analysis and sensitivity analysis in the context of advanced prototyping systems.arrow_forwardb. Rapid prototyping is the name given to a host related technologies that are used to fabricate physical objects directly from Computer Aided Design (CAD) data sources. The methods are generally similar to each other in that they add and bond material in layer wise-fashion to form objects. Some of the methods are Stereo-lithography (SLA), Selective laser sintering (SLS) and Fused deposition modeling (FDM). Discuss the differences between SLA, SLS and FDM in term of accuracy, speed, strengths and limitations of the applications.arrow_forward
- Solid modelling may be used by designers to give their products a three-dimensional appearance and a more natural feel than would be achieved by just putting lines together. Explain?arrow_forward[Please Write Clean and Provide Complete Explanation] One end of a 2 m long steel rod (d = 3 cm) is rigidly attached to a wall so that the rod is perpendicular to the wall. The other end of the rod is welded to a second rod, which is 1 m long (d = 1.0 cm). The second rod is parallel to the wall and the floor. A vertical force of 50 N is applied to the end of the second rod. For both rods, the modulus of elasticity is 210 × 109 Pa and the shear modulus is 79 × 10 9 Pa. There is an infinitesimally small cubic element at the top surface of the 3 cm diameter rod immediately adjacent to the wall, that is, at (0, 1.5, 0). What is most nearly the maximum normal stress due to the bending moment?arrow_forwardA thin steel disk of an oil separator of 100mm outside diameter is shrunk onto a solid steel shaft of 20mm diameter. The system is to be designed to make sure the disc does not become loose at speeds lower than 100000rev/min. Determine the shrinkage allowance required in order to avoid separation disc and shaft, at a speed of 100000rev/min. For the material assume a Young's Modulus, Poisson Ratio and density of 210GPa, 0.3 and 7850kg/m³ respectively.arrow_forward
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