Effects of Bolt Threads on the Stiffness of Bolted Joints and Bolt Thread and Head Fillet Stress Concentration Factors PDF Download
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Author: Bradley Alan Bunyard
Publisher:
ISBN:
Category :
Languages : en
Pages : 63
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Book Description
Author: Bradley Alan Bunyard
Publisher:
ISBN:
Category :
Languages : en
Pages : 63
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Book Description
Author: Toshimichi Fukuoka
Publisher: Elsevier
ISBN: 0323953581
Category : Technology & Engineering
Languages : en
Pages : 384
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Book Description
The Mechanics of Threaded Fasteners and Bolted Joints outlines how threaded fasteners and bolted joints fail, how these failures can be remedied, and ultimately how to avoid them altogether through tightening methods, material strength, and avoiding loosening. The book demonstrates how to select the appropriate tightening method and determine the optimal tightening procedure for varying nominal diameters. Using the finite element method, it discusses characteristics of stress concentration and fatigue strength and covers bolt force variation due to elastic interaction. The separation of the plate interface via increased external force as the primary cause of fatigue failure in threaded fasteners is discussed, with effective countermeasures provided. Empirical equations of thermal contact coefficient and apparent thermal contact coefficient in simple form are included as well.?? - Outlines various tightening methods such as torque control, angle control, direct tension, and thermal expansion - Demonstrates methods for preventing fatigue failure - Discusses the effect of high and low temperature thermal loads on the strength of bolted joints by looking at thermal contact resistance at the interface
Author: John Bickford
Publisher: CRC Press
ISBN: 9780824792978
Category : Science
Languages : en
Pages : 998
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Book Description
Offering a broad-based review of the factors affecting the design, assembly and behaviour of bolted joints and their components in all industries, this work details various assembly options as well as specific failure modes and strategies for their avoidance. This edition features material on: the contact stresses between bolt head or nut face and the joint; thread forms, series and classes; the stiffness of raised face flange joints; and more.
Author: Leonard Mordfin
Publisher:
ISBN:
Category : Bolted joints
Languages : en
Pages : 58
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Book Description
Author: John H. Bickford
Publisher: CRC Press
ISBN: 0429520700
Category : Technology & Engineering
Languages : en
Pages : 615
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Book Description
The fully updated Fifth Edition of John H. Bickford's classic work, updated by Michael Oliver, provides a practical, detailed guide for the design threaded bolted joints, the tightening of threaded joints, and the latest design procedures for long-term life. New sections on materials, threads, and their strength have been added, and coverage of FEA for design analysis is now included. Referencing the latest standards, this new edition combines fastener materials, explanation of how fasteners are made, and how fasteners fit together, supplementing the basic design coverage included in previous versions of this authoritative text. Introduction to the Design and Behavior of Bolted Joints: Non-Gasketed Joints will be of interest to engineers involved in the design and testing of bolted joints.
Author: John Bickford
Publisher: CRC Press
ISBN: 1482273780
Category : Science
Languages : en
Pages : 926
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Book Description
Presenting time-tested standard as well as reliable emerging knowledge on threaded fasteners and joints, this book covers how to select parts and materials, predict behavior, control assembly processes, and solve on-the-job problems. It examines key issues affecting bolting in the automotive, pressure vessel, petrochemical, aerospace, and structura
Author: John H. Bickford
Publisher: CRC Press
ISBN: 0429534175
Category : Technology & Engineering
Languages : en
Pages : 878
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Book Description
The fully updated Fifth Edition of John H. Bickford's classic work, updated by Michael Oliver, provides a practical, detailed guide for the design threaded bolted joints, the tightening of threaded joints, and the latest design procedures for long-term life. New sections on materials, threads, and their strength have been added, and coverage of FEA for design analysis is now included. Referencing the latest standards, this new edition combines fastener materials, explanation of how fasteners are made, and how fasteners fit together, supplementing the basic design coverage included in previous versions of this authoritative text. Introduction to the Design and Behavior of Bolted Joints: Non-Gasketed Joints will be of interest to engineers involved in the design and testing of bolted joints.
Author: Gowri Srinivasan
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
"Linear three dimensional finite element analysis was performed on bolted pressure vessel joints to determine maximum stresses and stress concentration factors in the bolt head fillet as a result of the prying action. The three dimensional finite element models consisted of a segment of the flanges containing one bolt, using cyclic symmetry boundary conditions. The flanges considered were each 20 mm in thickness, with 901.7 mm inner diameter and a constant internal pressure of 0.6895 MPa (100 psi). The outer flange diameter was varied from 1021 mm to 1041 mm in steps of 5 mm. The bolt circle diameter was varied from 960.2 mm to 980.2 mm in steps of 5 mm. The bolts used were 16 mm diameter metric bolts with standard head and nut thickness and the threads were not modeled. Stress concentration factors in the bolt head fillet were calculated and they ranged from 3.34 to 4.80. Stresses as well as the stress concentration factors in the bolt head fillet increase with an increase in bolt circle diameter for a given outer flange dimension. Keeping the bolt circle diameter the same, stresses and stress concentration factors in the bolt head fillet decrease with increase in outer flange diameter. The maximum stresses in the bolt were also calculated according to the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code and the Verein Deutscher Ingenieur (VDI) guidelines and compared to the results observed through finite element analysis. The stresses obtained through fea were larger than those predicted by the ASME and VDI methods by a factor that ranged between 2.96 to 3.41 (ASME) and 2.76 to 3.63 (VDI)"--Abstract, leaf iv
Author: John Bickford
Publisher: Routledge
ISBN: 1351466844
Category : Science
Languages : en
Pages : 998
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Book Description
Offering a broad-based review of the factors affecting the design, assembly and behaviour of bolted joints and their components in all industries, this work details various assembly options as well as specific failure modes and strategies for their avoidance. This edition features material on: the contact stresses between bolt head or nut face and the joint; thread forms, series and classes; the stiffness of raised face flange joints; and more.
Author:
Publisher:
ISBN:
Category : Bolted joints
Languages : en
Pages : 236
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Book Description
