EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 8220100793431
Author: KALPAKJIAN
Publisher: PEARSON
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Chapter 31, Problem 33QLP
To determine
Discuss the need for, and role of, work-holding devices in the welding operations described in this chapter.
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Explain the mechanism of heat generation in Resistance spot welding. Explain the Force (current) vs time diagram.
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(b)
A resistance welding is performed to join two 2-mm thick stainless steel sheets
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nugget each has average 3 mm in thickness. Calculate the required welding
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Chapter 31 Solutions
EBK MANUFACTURING ENGINEERING & TECHNOL
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- A resistance welding is performed to join two 2-mm thick stainless steel sheets with ten 6-mm diameter spot welds produced concurrently. The resulted weld nugget each has average 3 mm in thickness. Calculate the required welding current and energy consumption for the welding if ten seconds are needed for the whole welding operation. Given that the applied voltage is 10 V. Provide TWO important assumptions in your calculation.arrow_forwardList some factors that have led to the increased use of FCA welding.arrow_forwardThrough illustrations explain the process of TIG Welding.arrow_forward
- Explain why fusion welding with non-consumable electrodes is advantageous, compared to consumable electrodes? Give 2 reasons.arrow_forward(a) With the aid a diagram, describe the principle of spot-welding process.arrow_forwardWelding is a common method to join separate parts of metal together. Briefly describe the conditions that are required for materials used in Welding.arrow_forward
- A circular electrode of 190 mm diameter is used for carrying out seam welding at 5 welds per cm on a mild steel tube of thickness 1.5 mm. The duration of the welding cycle is given as On - 4 cycles, Off- 3 cycles. The power supply is at 50 Hz. Calculate work speed, welds per minutę, RPM, and energy requirement assuming effective resistance between an electrode as 100u ohm.arrow_forwardSelect TWO (2) arc welding processes that are suitable for performing rapid welding task especially for thick materials.arrow_forwardengineering materials and processes Discuss the welding process and List the tools used in welding process. Identify its application and discuss its use.arrow_forward
- Enumerate the types of joint in welding.arrow_forwardPlease explain the significance of residual stress in welded structures and the ways to deal with this problem.arrow_forwardIn one type of welding, electric charge flows between the welding tool and the metal pieces that are to be joined. This produces a glowing arc whose high temperature fuses the pieces together. Why must the tool be held close to the metal pieces? (i) To maximize the potential difference between tool and pieces; (ii) to minimize this potential difference; (iii) to maximize the electric field between tool and pieces; (iv) to minimize this electric field; (v) more than one of these.arrow_forward
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