An overhang hollow shaft having inside diameter 0.5 time outside diameter, carries a cast iron pulley having 800N weights and 900mm diameter, at 250mm from the nearest bearing. The pulley is driven by another pulley mounted on the shaft placed bellow it, to transmit 35kW at 400r.p.m. The belt ends are vertical and parallel; if the ratio of tensions in belt is 3 and the permissible shear stress for material of shaft is limited to 200MPA, determine the diameters of shaft.

An overhang hollow shaft having inside diameter 0.5 time outside diameter, carries a cast iron pulley having 800N weights and 900mm diameter, at 250mm from the nearest bearing. The pulley is driven by another pulley mounted on the shaft placed bellow it, to transmit 35kW at 400r.p.m. The belt ends are vertical and parallel; if the ratio of tensions in belt is 3 and the permissible shear stress for material of shaft is limited to 200MPA, determine the diameters of shaft.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter11: Columns

Section: Chapter Questions

Problem 11.2.4P: Repeat Problem 11.2-3 assuming that R= 10 kN · m/rad and L = 2 m.

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Concept explainers

Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.

Question

An overhang hollow shaft having inside
diameter 0.5 time outside diameter,
carries a cast iron pulley having 800N
weights and 900mm diameter, at
250mm from the nearest bearing. The
pulley is driven by another pulley
mounted on the shaft placed bellow it,
to transmit 35kW at 400r.p.m. The belt
ends are vertical and parallel; if the
ratio of tensions in belt is 3 and the
permissible shear stress for material of
shaft is limited to 200MPA, determine
the diameters of shaft.
1 Add file

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