The sanding-drum mandrel shown in the figure is made for usewith a hand drill. The mandrel is made from a rubber-like material that expands when the nut is tightened to secure the sanding sleeve placed over the outside surface. If the diameter D of the mandrel increases from 2.35 in. to 2.56 in. as the nut is tightened, determine (a) the average normal strain along a diameter of the mandrel. (b) the circumferential strain at the outside surface of the mandrel. Sanding sleeve Mandrel Answers: (a) E0= in/in. (b) Ec- in/in.

The sanding-drum mandrel shown in the figure is made for usewith a hand drill. The mandrel is made from a rubber-like material that expands when the nut is tightened to secure the sanding sleeve placed over the outside surface. If the diameter D of the mandrel increases from 2.35 in. to 2.56 in. as the nut is tightened, determine (a) the average normal strain along a diameter of the mandrel. (b) the circumferential strain at the outside surface of the mandrel. Sanding sleeve Mandrel Answers: (a) E0= in/in. (b) Ec- in/in.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The sanding-drum mandrel shown in the figure is made for use with a hand drill. The mandrel is made from a rubber-like material that expands when the nut is tightened to secure the sanding sleeve placed over the outside surface. If the diameter D of the mandrel increases from 1.60 in. to 1.73 in. as the nut is tightened, determine (a) the average normal strain along a diameter of the mandrel. (b) the circumferential strain at the outside surface of the mandrel. Sanding sleeve - Mandrel Answers: (a) ED= in./in. (b) Ec= in./in.
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The sanding-drum mandrel shown in the figure is made for use with a hand drill. The mandrel is made from a rubber-like material that expands when the nut is tightened to secure the sanding sleeve placed over the outside surface. If the diameter D of the mandrel increases from 1.50 in. to 1.60 in. as the nut is tightened, determine (a) the average normal strain along a diameter of the mandrel. (b) the circumferential strain at the outside surface of the mandrel. Sanding sleeve Mandrel Answers: (a) ED = in./in. (b) Ес in./in.