Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Textbook Question
Chapter 32, Problem 36SDP
Suggest methods of attaching a round bar (made of a thermosetting plastic) perpendicularly to a flat metal plate. Discuss their advantages and limitations.
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Students have asked these similar questions
Write down the damage patterns that occur in the rivet joints that are forced axially. Explain how strength calculations are made under static stresses.
2. A single riveted double cover butt joint is made in 10 mm thick plates
with 20 mm diameter rivets with a pitch of 60 mm. Calculate the efficiency
of the joint, if o, = 100 MPa ; t = 80 MPa and o. = 160 MPa. [Ans. 53.8%]
%3D
%3D
Design a rivet that is utilized in a double riveted butt joint which connects
two 12 mm thick plates. The efficiency of riveting joint is 80% and the pitch is
80 mm. If the allowable stresses for the plate material are (tensile stress of 100
MPa, shear stress - 75 MPa, bearing stress o 180 MPa) and for the rivet
material are (tensile stress o 120 MPa, shear stress r= 90 MPa, bearing stress de
me 200 MPa), use F.S. 1.
Ultimate
Yield stress Shear stress
Power
(kw)
Torque
(Nm) stress (Mpa)
1000
Compression
stress (Mpa)
Ductility (%)
(Mpa)
(Mpa)
160
640
400
280
30
Modulus of
Fracture stress Bending Stress
Modulus of
Rigidity (Gpa)
Elasticity
(GPa)
Bending Moment
(Nm)
Factor of Safety
(Mpa)
(Mpa)
220
70
250
280
120
Chapter 32 Solutions
Manufacturing Engineering & Technology
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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- The maximum force in a rivet in a riveting group under eccentric loadingarrow_forward5. A triple riveted lap joint with zig-zag riveting is to be designed to connect two plates of 6 mm thickness. Determine the dia. of rivet, pitch of rivets and distance between the rows of rivet. Indicate how the joint will fail. Assume : o, = 120 MPa ; t = 100 MPa and o, = 150 MPa. %3D [Ans. d = 14 mm ; p = 78 mm; pb = 35.2 mm] %3Darrow_forwardSelect the preferred diameter for an ASTM A227 cold-drawn wire that will have an ultimate tensile strength as close to, but not less than, 176 kpsi.arrow_forward
- When is edge shearing or tearing of the margin in riveted connections usually neglected ? O When the failure happens due to normal stress O When the rivets are placed at least 0.5 d away from the edge When the forces on the edge are really small When the rivets are placed at least 1.5 d away from the edgearrow_forwardGive a discussion on the applications of Bolts, Studs, Screws (Minimum 5 Aero-Specific applications).arrow_forwardQuestion 01: Draw and label any screw thread and a fastener separately. Also, discuss the types of stresses acting on screw threads and fasteners.arrow_forward
- QUESTION 20 Below is an image showing two 4 mm thick sheets joint together using double rivets. If the rivets were made of starrow_forwardThe load that can be applied to a strut or column is limited not only by the stress in compression which is permissible, but also by its tendency to buckle, or slenderness. In fact the slenderer the member, the less the load which may safely be applied, for that matter, it is essential to determine how slenderer the member is, thus a ratio of its slenderness need to be known. Therefore, define slenderness ratio of the member.arrow_forwardTwo (2) rods of the same material each has a diameter of 20mmare welded together to form a total length of 600mm If the rod has a strength of 15 MPa and the joint efficiency is 85%, what tensile load the rod can safely carry? If the rod is made of steel, what elongation is permissible under this condition?arrow_forward
- The unit melting energy for a certain sheet metal is 10J/mm^3 .The thickness of each of the two sheets to be spot-welded is = mm. To achive required strength, it is desired to form a weldnugget that is =7 mm in diameter and 3.5 mm thick. The weld duration will be set at 44 sec .If the electrical resistance between the two surfaces is 144 micro-ohms and only one half the electricity generated will be used to form the weld nugget Determine the minium current level required in this operationarrow_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_forward2 The bench vice shown in Fig. is used to fix a cubic wood sample with a hole. The wood sample has a length of 30 mm, and the hole has a 20mm-diameter. The wood compressive strength is 20 MPa. The pressure on the sample is intended not to exceed two-third of its strength. The bench vice is made of cast iron whose yield strength is 200 MPa. Suggest dimensions for a hollow circular cross section where its thickness in one-tenth the outer diameter to replace the current cross section at (m-n) and withstand the worst case of applied stress due to these working conditions. Wood Sample 11 -Centroidal axis 60 mm Figure 2 14 mm 11 mm 1=7800 mm A = 130 mm²arrow_forward
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Differences between Temporary Joining and Permanent Joining.; Author: Academic Gain Tutorials;https://www.youtube.com/watch?v=PTr8QZhgXyg;License: Standard Youtube License