Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Textbook Question
Chapter 31, Problem 40QLP
Consider the situation where two round components are welded together. You believe that the components were friction welded, with the flash removed by machining. How could you confirm or disprove your suspicion?
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Chapter 31 Solutions
Manufacturing Engineering & Technology
Ch. 31 - Explain what is meant by solid-state welding.Ch. 31 - What is cold welding? Why is it so called?Ch. 31 - What is (a) a ferrule, (b) filled gold, and (c) a...Ch. 31 - What are faying surfaces in solid-state welding...Ch. 31 - What is the basic principle of (a) ultrasonic...Ch. 31 - Explain how the heat is generated in the...Ch. 31 - Prob. 7RQCh. 31 - Describe the principle of resistance-welding...Ch. 31 - Prob. 9RQCh. 31 - What type of products are suitable for stud...
Ch. 31 - Prob. 11RQCh. 31 - Prob. 12RQCh. 31 - Prob. 13RQCh. 31 - Describe how high-frequency butt welding operates.Ch. 31 - What materials are typically used in...Ch. 31 - Make a list of processes in this chapter,...Ch. 31 - Prob. 17QLPCh. 31 - Explain the reasons why the processes described in...Ch. 31 - Explain the similarities and differences between...Ch. 31 - Describe your observations concerning Figs....Ch. 31 - Would you be concerned about the size of weld...Ch. 31 - What advantages does friction welding have over...Ch. 31 - Prob. 23QLPCh. 31 - Prob. 24QLPCh. 31 - Discuss the factors that influence the strength of...Ch. 31 - What are the sources of heat for the...Ch. 31 - Can the roll-bonding process be applied to a...Ch. 31 - Prob. 28QLPCh. 31 - List and explain the factors involved in the...Ch. 31 - Give some of the reasons that spot welding is...Ch. 31 - Prob. 31QLPCh. 31 - Prob. 32QLPCh. 31 - Prob. 33QLPCh. 31 - Prob. 34QLPCh. 31 - Prob. 35QLPCh. 31 - Prob. 36QLPCh. 31 - Prob. 37QLPCh. 31 - Prob. 38QLPCh. 31 - Which processes in this chapter are not affected...Ch. 31 - Consider the situation where two round...Ch. 31 - Prob. 41QLPCh. 31 - The energy required in ultrasonic welding is found...Ch. 31 - Prob. 43QTPCh. 31 - Prob. 44QTPCh. 31 - Prob. 45QTPCh. 31 - Prob. 46SDPCh. 31 - Explain how you would fabricate the structures...Ch. 31 - Prob. 48SDPCh. 31 - Prob. 49SDPCh. 31 - Prob. 50SDPCh. 31 - Prob. 51SDPCh. 31 - Prob. 52SDPCh. 31 - Prob. 53SDPCh. 31 - Describe the methods you would use for removing...Ch. 31 - Prob. 55SDPCh. 31 - Prob. 56SDPCh. 31 - Inspect the sheet-metal body of an automobile,...Ch. 31 - Prob. 59SDPCh. 31 - Prob. 60SDPCh. 31 - Sketch the microstructure you would expect if a...
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- A 40 mm diameter solid shaft is to be welded to a flat plate and is required to carry a torque of 2000 Nm. If fillet joint is used foe welding what will be the minimum size of the weld when working shear stress is 76 MPa.arrow_forwardWhat do you understand by the term ‘efficiency of a riveted joint’?arrow_forwardA gas metal arc welding test is performed to determine the value of melting factor f₂ for a certain metal and operation. The welding voltage = 25 volts, current = 125 amps, and heat transfer factor is assumed to be = 0.90, a typical value for GMAW. The rate at which the filler metal is added to the weld is 0.50 in³ per minute, and measurements indicate that the final weld bead consists of 57% filler metal and 43% base metal. The unit melting energy for the metal is known to be 75 Btu/in³. (a) Find the melting factor. (b) What is the travel speed if the cross-sectional area of the weld bead = 0.05 in²?arrow_forward
- (a) State 5 factors affecting chip formation during metal cutting (b) outline the principle of Ultrasonic testing for checking deeply imbedded defects in a welded jointarrow_forward2) Explain how a cylindrical joint can be practically realised?arrow_forwardA welding operation is time-studied during which an operator was pace-rated as 120%. The operator took, on an average, 8 minutes for producing the weld-joint. If a total of 10% allowances are allowed for this operation. What is the expected standard production rate of the weld-joint in units per 8 hour day?arrow_forward
- What advantages do the welded joints offer in comparison to riveted joints? Explain a minimum of seven?arrow_forwardI need the answer as soon as possiblearrow_forwardAssume that two 1.5-mm thick steel sheets are being spot welded at a current of 4000 A and current-flow time is 0.3 s. Using electrodes 5 mm in diameter, estimate the amount of heat generated and the amount of heat required to melt the weld nugget. Use an effective resistance of 350 un. Take u= 9,7 Joule/mm Which one of the following are correct? O a. If the electrodes were 7 mm diameter, the amount of heat generated would decrease b. The amount of heat generated by the equipment is between 1600 to 1700 Joules c. The equipment has enough power to weld the steel sheets. d. The equipment does not have enough power to weld the steel sheets e. The amount of heat required is between 700 and 750 Joulesarrow_forward
- When steel is joined using arc welding, only the liquid fusion zone must be protected by a gas or flux. However, when titanium is welded, both the front and back sides of the welded metal must be protected. Why must these extra pre-cautions be taken when joining titanium?arrow_forwardIt is desired to determine the cost of the submerged arc welding operation in the preceding problem, including electric power cost but excluding work material costs. Power during arc-on time = 9,000 W, and cost of electricity = $0.15/kWH. The labor cost rate = $33.00/hr and the SAW equipment cost = $20.00/hr (including applicable overheads). The cost of each spool of electrode wire = $50.00. The cost of granular flux used in each cycle = $2.00. What is the welding cost of each completed tube?arrow_forwardCan you explain the difference between the two welded lines shown in figures (a) and (b)? Also, what are the characteristics of a good weld? b)arrow_forward
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