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Design a shaft to transmit power from a motor to a lathe head stock through a pulley by means of a belt drive. The pulley weighs 200 N and is located at 300 mm from the centre of the bearing. The diameter of the pulley is 200 mm and the power transmitted is 1 kW at 120 r.p.m. The angle of lap of the belt is 180° and coefficient of friction force between the belt and the pulley is 0.3. The shock and fatigue factors for twisting and bending are 1.5 and 2.0 respectively. The maximum shear stress in the shaft may be taken as 35 MPa.
Derive heat transfer and work transfer expression in an non-flow or closed isothermal and polytropic procedure?
Explain the End Cutting Edge Angle It is an angle between the face of the tool and the plane perpendicular to side of shank. It acts as relief angle that is allows only small s
Q. General corrosion rates of castings? Austenitic stainless steels (300 series) are very resistant to caustic in concentrations up to 50% and temperatures below 200 o F (95 o
Q. Determination of Wind-Induced Forces on Pressure Vessels? ASCE does not provide the complete methodology needed to account for wind-induced forces on common appurtenances to
Initial tension in the belt: Sol: The tension in belt which is passing over the two pulleys (that is driver and follower) when the pulleys are stationary is an initial tensi
An unsymmetrical I-Section as shown in figure below. If maximum bending stress is not extend more than 40MPa in the section than find out the moment which it can bear
An axial flow pump handling oil of specific gravity 0.8 at a rate of 1.0m3 s-1 is fitted with downstream guide vanes and its impeller rotates at 250 rev min-1. The oil approaches t
To select the project, if not already done - Radial Drilling Machine Due to above Problem?s in RADIALL DRILLING machine, now the select the project and solves the problems and
Coil: A coil is used in ignition system to increase the voltage supplied by the battery or magneto. Coil
The Specifications for use on a project will be as defined in the ‘Project Execution Plan'. The specification requirements will be clarified in the Engineering Estimate or at the
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