EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 8220100793431
Author: KALPAKJIAN
Publisher: PEARSON
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Textbook Question
Chapter 32, Problem 5RQ
Soldering is generally applied to thinner components. Explain why.
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Chapter 32 Solutions
EBK MANUFACTURING ENGINEERING & TECHNOL
Ch. 32 - What is the difference between brazing and...Ch. 32 - Are fluxes necessary in brazing? If so, why?Ch. 32 - Why is surface preparation important in...Ch. 32 - What materials are typically used in solder?Ch. 32 - Soldering is generally applied to thinner...Ch. 32 - Explain the reasons why a variety of mechanical...Ch. 32 - List three brazing and three soldering techniques.Ch. 32 - Describe the similarities and differences between...Ch. 32 - What precautions should be taken in the...Ch. 32 - What difficulties are involved in joining...
Ch. 32 - Prob. 11RQCh. 32 - What are the principles of (a) wave soldering...Ch. 32 - What is a peel test? Why is it useful?Ch. 32 - What is a combination joint?Ch. 32 - Prob. 15RQCh. 32 - Prob. 16QLPCh. 32 - Prob. 17QLPCh. 32 - Comment on your observations concerning the...Ch. 32 - Give examples of combination joints other than...Ch. 32 - Discuss the need for fixtures for holding...Ch. 32 - Explain why adhesively bonded joints tend to be...Ch. 32 - It is common practice to tin-plate electrical...Ch. 32 - Give three applications where adhesive-bonding is...Ch. 32 - Prob. 24QLPCh. 32 - If you are designing a joint that must be strong...Ch. 32 - Prob. 26QLPCh. 32 - Rate lap, butt, and scarf joints in terms of...Ch. 32 - Prob. 28QLPCh. 32 - Prob. 29QTPCh. 32 - Prob. 30QTPCh. 32 - Prob. 31QTPCh. 32 - Figure 32.4 shows qualitatively the tensile and...Ch. 32 - When manufacturing the fuselage of a commuter...Ch. 32 - Prob. 34SDPCh. 32 - Name several products that have been assembled...Ch. 32 - Suggest methods of attaching a round bar (made of...Ch. 32 - Prob. 38SDPCh. 32 - Prob. 39SDPCh. 32 - Prob. 40SDPCh. 32 - Prob. 41SDPCh. 32 - Describe part shapes that cannot be joined by...Ch. 32 - Prob. 43SDPCh. 32 - Prob. 44SDPCh. 32 - Prob. 45SDPCh. 32 - Prob. 46SDPCh. 32 - Review Fig. 32.9a and explain the shortcoming...
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- Please explain the significance of residual stress in welded structures and the ways to deal with this problem.arrow_forwardExplain with neat sketch, the joining process of “Riveting”.arrow_forwardTwo 1.2 mm thick flat copper sheets are being spot welded using a current of 6000A and a current flow time of 0.18 s. The electrodes are 5 mm in diameter. Estimate the generated in the weld zone. Take effective resistance as 150 ohm. also calculate temperature rise assuming that the heat generated is confined to the volume ogf materials directly between two electrodes and temperature is uniformly distributed.arrow_forward
- List the materials that can give off dangerous fumes during welding and require forced ventilation.arrow_forwardTwo 1.2 mm thick flat copper sheets are being spot welded using a current of 6000 A and a current flow time of 0.18 s. The electrodes are 5 mm in diameter. Estimate the heat generated in the weld zone. Take effective resistance as 150 µΩ. Also calculate temperature rise assuming that the heat generated is confined to the volume of material directly between the two electrodes and temperature is uniformly distributed.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
- (b) You are required to joint two parts together by joining process. One of the parts needs to be remove out of an assembly and replaced with a new part several times during the product's life due to failure. Recommend a suitable ioining process for this condition with ONE (1) example.arrow_forwardA 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_forwardIdentify the defects and remedial actions in welding and casting process. Moreover, how rolling and forging defects can be removed effectively?arrow_forward
- (b) Two flat aluminum sheets (each 1 mm thick) are being spot welded by use of a current of 5000A and a current flow time of 0.2 s. The electrodes are 3 mm in diameter. Assume that the resistance is 200µ2. Given the density of aluminum is 2.70 g/cm³ and the latent heat of fusion (hf) for aluminum is 321 J/g.arrow_forwardTwo 1.2 mm thick sheets of steel are joined by double-sided spot welding using a current of 6000A and current flow time of t = 0.15 sec. The electrodes are 3 mm in diameter and the weld spot thickness is approximately one third of the total thickness of the metal sheets. Assuming that the effective resistance in this operation is 200 micro resistance, estimate the heat generated and its distribution in the weld zone. (Take density of steel = 8600 Kg/m3 and its latent heat capacity, L =1400 J/g)arrow_forwardWrite down the damage patterns that occur in the rivet joints that are forced axially. Explain how strength calculations are made under static stresses.arrow_forward
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