Friday, 12 June 2020

MACHINE DESIGN IN MECHANICAL ENGINEERING TEXTBOOK - MECHANICALIBRARY - FREE DOWNLOAD PDF

MACHINE DESIGN IN MECHANICAL ENGINEERING

TEXTBOOK BY MECHANICAL ENGINEERING LIBRARY

FREE DOWNLOAD PDF



MACHINE DESIGN IN MECHANICAL ENGINEERING - Mechanical Engineering Library




Machine Design in Mechanical Engineering book by Mechanical Engineering Library is filled with very important and interesting topics like Materials in Machine Design, Load and Stress Analysis, Deflection and Stiffeners, Failures resulting from Static Loading, Fatigue Failure resulting from variable loading, Shafts and shaft components, Stress, fasteners, and the design of non-permanent joints, welding, bonding and the design of permanent joints, mechanical springs, Rolling-contact bearings, Lubrication and Journal Bearings, Gears, spur and helical gears, bevel and worm gears, clutches, brakes, couplings and flywheels, flexible mechanical elements, power transmission case study, finite-element analysis, statistical considerations. Not only a theory but also required model problems were also explained well in details for the best understanding of the student in this book.

MACHINE DESIGN IN MECHANICAL ENGINEERING - Mechanical Engineering Library





What is Design?

Design is an innovative and highly iterative process. It is also a decision-making process. Decisions sometimes have to be made with too little information, occasionally with just the right amount of information, or with an excess of partially contradictory information. Decisions are sometimes made tentatively, with the right reserved to adjust as more becomes known. The point is that the engineering designer has to be personally comfortable with decision-making, problem-solving role.



Design is a communication-intensive activity in which both words and pictures are used and written and oral forms are employed. Engineers have to communicate effectively and work with people from many disciplines. These are important skills, and an engineer’s success depends on them. A designer’s personal resources of creativeness, communicative ability, and problem-solving skill are intertwined with knowledge of technology and first principles. Engineering tools (such as mathematics, statistics, computers, graphics, and languages) are combined to produce a plan that, when carried out, produces a product that is functional, safe, reliable, competitive, usable, manufacturable, and marketable, regardless of who builds it or who uses it.



Why Mechanical Engineering Design?

Mechanical engineers are associated with the production and processing of energy and with providing the means of production, the tools of transportation, and the techniques of automation. The skill and knowledge base are extensive. Among the disciplinary bases are mechanics of solids and fluids, mass and momentum transport, manufacturing processes, and electrical and information theory. Mechanical engineering design involves all the disciplines of mechanical engineering. 



Real problems resist compartmentalization. A simple journal bearing involves fluid flow, heat transfer, friction, energy transport, material selection, thermomechanical treatments, statistical descriptions, and so on. A building is environmentally controlled. The heating, ventilation and air-conditioning considerations are sufficiently specialized that some speak of heating, ventilating, and air-conditioning design as if it is separate and distinct from mechanical engineering design. Similarly, internal-combustion engine design, turbomachinery design, and jet-engine design are sometimes considered discrete entities. Here, the leading string of words preceding the word design is merely a product descriptor. Similarly, there are phrases such as machine design, machine-element design, machine-component design, systems design, and fluid-power design. All of these phrases are somewhat more focused examples of mechanical engineering design. They all draw on the same bodies of knowledge, are similarly organized, and require similar skills.


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