Design of Machine Elements by JBK Das is a popular textbook for mechanical engineering students, especially those who are pursuing BE or B.Tech in 6th semester. The book covers many important concepts and topics related to the design and analysis of various machine elements, such as fasteners, keys, shafts, couplings, springs, belts, brakes, cylinders and pressure vessels. The book also provides solved examples from previous examinations and useful tips for GATE preparation.
The book is published by Sapna Publishing House and its authors are J.B.K. Das and P.L. Srinivasa Murthy. It is available in paperback format and has 40 chapters. The book can be downloaded as a PDF file for free from the link below[^1^]. Alternatively, you can also read the book online on Scribd[^3^] or Google Drive[^4^]. You can also watch the video lectures on Design of Machine Elements by IIT Kharagpur on NPTEL[^2^].
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If you are looking for a comprehensive and practical guide for designing machine elements, you should definitely check out Design of Machine Elements by JBK Das. It will help you to understand the fundamentals and applications of various machine elements and enhance your skills and knowledge as a mechanical engineer.
In this article, we will give you an overview of some of the main topics covered in Design of Machine Elements by JBK Das. These topics are based on the syllabus of various universities and institutes that offer courses on machine design. However, you should refer to the book for more details and examples.
This topic introduces the basic concepts and principles of mechanical engineering design, such as design philosophy, design considerations, engineering materials and their properties, standards and codes, factor of safety and material selection. It also reviews the concepts of stress, strain and deflection in machine elements.
This topic covers the design of machine elements subjected to impact and fatigue loads, such as shafts, gears, springs and fasteners. It explains the theories of failure for static and dynamic loading, such as maximum normal stress theory, maximum shear stress theory, distortion energy theory and Soderberg criterion. It also discusses the concepts of stress concentration, notch sensitivity and endurance limit.
This topic covers the design of shafts for rotating machinery, such as turbines, compressors and pumps. It explains the methods of analysis and design of shafts for bending, torsion and combined loading. It also covers the design of joints, couplings and keys for transmitting power and torque between shafts.
This topic covers the design of riveted joints and weld joints for connecting plates or beams. It explains the types, advantages and disadvantages of riveted joints and weld joints. It also covers the methods of analysis and design of riveted joints and weld joints for various loading conditions. 8cf37b1e13