The cast iron block with cross-sectional dimensions of 62.5 mm by 62.5 mm consists of two pieces. The pieces are prevented from sliding along the 55° inclined joint by the steel key, which is 62.5 mm long. The working stresses are 275 MPa for cast iron in bearing and 345 MPa for the key in shear.

The cast iron block with cross-sectional dimensions of 62.5 mm by 62.5 mm consists of two pieces. The pieces are prevented from sliding along the 55° inclined joint by the steel key, which is 62.5 mm long. The working stresses are 275 MPa for cast iron in bearing and 345 MPa for the key in shear.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Design of Shafts and Shaft Components

The shaft is basically defined as the machine element that rotates, is in circular cross-section, it is majorly used to transfer the power from one part of the system to another, or from a power generating machine to a power absorbing machine. The shaft is supported on bearings and is rotated with the help of a set of gears or pulleys that are used for the power transmission. Bending moment, torsion, and an axial force act upon the shaft. Designing of shaft primarily involves determining stresses at a critical point in the shaft that is arising due to loading.

Question

100%

If the block is loaded with P = 268 kN, calculate the required dimension "h" of the key.

Write your final answer in 2 decimal places with the unit of mm.

P
62.5 mm
h
Кey
55°
The cast iron block with cross-sectional dimensions of 62.5 mm by 62.5 mm consists of
two pieces. The pieces are prevented from sliding along the 55° inclined joint by the
steel key, which is 62.5 mm long. The working stresses are 275 MPa for cast iron in
bearing and 345 MPa for the key in shear.

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