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The shaft, as given in Figure is driven by pulley B from an electric motor. Another belt drive from pulley A is operating a compressor. The belt tensions for pulley A are 1500 N and 600 N. The ratio of belt tensions for pulley B is 3.5. The diameter d of pulley A is 150 mm and the diameter d of pulley B is 480 mm. The maximum allowable tensile stress for the shaft material is 170 MPa and the allowable shear stress is 85 MPa. Taking bending and torsion factors as 1.25 and 1.75 respectively, Evaluate the shaft diameter. Also search out the dimensions for a hollow shaft with outside diameter limited to 30 mm. Compare the weights of the two shafts.
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Determine the springs needed to absorb the energy: A vehicle weighing 28 kN and running at 2.5 m/sec is to be brought to rest by a buffer springs. Determine the number of spri
Assembly Processes The assembly process for machines and mechanisms is the part of the manufacturing process concerned with the consecutive joining of the finished parts into
A motor coil can be modeled as a hollow copper cylinder with an outer diameter of 50 mm, an inner diameter of 40 mm, and a length of 60 mm. The motor stalls at time t ¼ 0 and, at t
HOW TO GO ABOUT WRITING A TERM PAPER TITLED: APPLICATION OF TURBULENT FLOW IN MECHANICAL ENGINEERING.
Commutator The function of a commutator is to change alternating current induced in the armature into unidirectional current. The commutator is of cylindrical shape and is made
Define Electro Discharge Machining In Electro-discharge machining (E.D.M) process the metal is removed from the work piece due to erosion caused by rapidly recurring spark
(a) Can you explain limitations of Euler's theory (b) Derive a mathematical expression to determine the crippling load of a column with on end fixed and other end hinged (c)
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What do you understand by straight line mechanism ? Describe with a neat sketch the working and construction of any three types of straight line mechanism. Derive a mathematical
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