MACHINE DESIGN By: R.S.KHURMI & J.K.GUPTA - Ebook PDF
Engineering
design is the process of studying requirements, and coming up with a
plan to produce a system or device that will provide a solution to the
requirement or problem. The person who designs the solution has to go
through the various stages of the design process to arrive at an optimal
solution.
The first
phase is to recognize a problem, or a situation that can be improved.
The second phase involves defining the problem, that is listing the data
that needs to be processed, all the constraints within which the
solution should operate, like business practice, statutory requirements
etc. Then, defining the kind of solution required.
Then comes
the actual design process which goes through stages of conceptual
design, when different plans can be created, feasibility study to
determine the relevance, validity, and economic feasibility of the
proposed solutions. Then comes preliminary design of the selected
solution, then presentation design, planning for manufacture, planning
for distribution, planning for use, and finally, planning for retirement
of the product.
This book
studies these aspects with relevance to machines. It begins with an
introduction to the machine design process, then examines engineering
materials and their properties.
The book
then discusses manufacturing considerations in machine design, simple
stresses in machine parts, torional and bending stresses in machine
parts, and variable stresses in machine parts.
Then the
book goes on to discuss pressure joints, pipes and pipe joints, riveted
joints, welded joints, screwed joints, cotter and knuckle joints, keys
and coupling, shafts, levers, columns and struts, and power screws.
It then
looks at flat belt drives, flat belt pulleys, V-belt and rope drives,
chain drives, flywheel, springs, clutches, brakes, sliding contact
bearings and rolling contact bearings, spur gears, helical gears, bevel
gears, worm gears, and internal combustion engine parts.
This
multicolored edition includes appropriate illustrations and pictures to
further elucidate the theory. It also includes sufficient number of
solved and unsolved problems for clarification and practice.
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