EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 9780100793439
Author: KALPAKJIAN
Publisher: YUZU
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Chapter 32, Problem 39SDP
To determine
What joining methods would be suitable for assembling a thermoplastic cover over a metal frame? Assume that the cover is removed periodically, as is the lid of a coffee can.
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19. Describe and explain, with the aid of diagrams, the phenomenon of die swell and how it may be reduced or compensated for in polymer extrusion techniques.20. Describe (with the aid of any diagrams as appropriate) two types of defect that may be encountered in a welded metal joint 21. With reference to optimising the use of weld metal, outline (with the aid of any diagrams as appropriate) two considerations given to welded joint design. 22. Outline the use of liquid (dye/fluorescent) penetrants as a non-destructive testing method. 23. Outline (with the aid of any diagrams if needed) four limitations of adhesive bonding. 24. Threaded components (i.e. screws, nuts, bolts) and rivets are commonly used mechanical fasteners. Describe, with the aid of diagrams, two other methods of mechanical fastening that are also used in manufacturing.
answer all parts
11.17D
Develop a chart from other references that presents the properties and applications
of engineering adhesives. Organize the chart (table) according to (a) chemical type,
Identify the conditions under which a brazed joint is likely to be “stronger” than the brazing material by itself. Describe the trends in joint fracture strength as it becomes wider/narrower or thinner/thicker.
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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- (c) Elaborate the principles of vacuum forming process for thermoplastics, given a shaped form. Question 5 (a) [4] i. Explain the Spin welding process with the help of a diagram. [6] ii. Name the two requirements for the process to be successful? [4] (b) i. Which are the most common fastners used in assembly? [2] ii. Which joining process could be suitable for joining rubber sheet material? [2] (a) i. Give three reasons why mechanical fastners must be kept to a minimum for the assembly process. [3] i. What are the three things recommended to lower the assembly costs? [3]arrow_forwardScrew fastening is an example of electrical and electronical joining process. Select one: O True O Falsearrow_forwardType a detailed note about the USES OF SANDWICH PANELS. also mention the references.arrow_forward
- Give some examples of Fastener Spacing?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_forwardExplain or contradict the choice to use the following materials as hot-melt adhesives for anapplication in which the assembled part is subjected to impact-type loading. 1. Polyethylene 2. Polystyrene3. Polybutadiene4. Styrene-butadiene thermoplastic elastomer.5. Polyacrylonitrilearrow_forward
- a) A bicycle frame is being designed to carry a pedal force of 800N. Assuming axial loading only, which material will produce the lightest frame out of the two in the table below? Assume a design factor of 1.2 b) If the bicycle frame is being welded together and an internal flaw size of 30mm results, which material will produce the lighter section? (Apply a design factor of 1.2 If the bicycle frame needs to last a minimum 3 x 105 cycles, with an average stress of 150MPa and an alternating stress of 200MPa, use the Soderberg criterion to pick a suitable material from the two alloys listed above. Show all your working.arrow_forwardRiveting is an example of electrical and electronical joining process. Select one: True Falsearrow_forwardEnumerate the different types of riveted joints and rivets.arrow_forward
- I need the answer as soon as possiblearrow_forward(4) The average flow stress is the flow stress multiplied by which of the following factors: (a) n, (b) (1-n), (c) 1/n, or (d) 1/(1+n), where n is the strain hardening exponent? (5) The strength of a brazed joint is typically (a) equal to, (b) stronger than, or (c) weaker than soldered joint? (6) Thread cutting operation is normally performed on which one of the following machine tools: (a) drill press, (b) lathe, (c) milling machine, (d) planer, or (e shaper? (7) Of the following cutting conditions, which one has the greatest effect on cutting temperature: (a) cutting speed, (b) depth of cut, or (c) feed? (8) The maximum possible draft in a rolling operation depends on which of the following parameters (two correct answers): (a) coefficient of friction, (b) roll diameter, (c) roll velocity, (d) stock thickness, (e) strainarrow_forwardDiscuss the significance of the initial tightening load and the applied load so far as bolts are concerned. Explain which of the loads must be greater for a properly designed bolted joint and explain how each affects the total load on the bolt.arrow_forward
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