The steam engine; its history and mechanism: being descriptions and illustrations of the stationary, locomotive, and marine engine. For the use of schools and students by Burn Robert Scott

Author:Burn, Robert Scott
Language: eng
Format: epub, pdf
Tags: Steam-engines
Publisher: London H. Ingram
Published: 1854-03-25T05:00:00+00:00

sideratum. Thus, suppose a a (fig. 95) to be part of a wooden octagonal

fig. Q5.

sliaft, mortices or apertures are made in the end of the sliaft of a certain depth, and of shape and width corresponding to the '' cross-tails" d d cast round the journal h] these arms are let into the mortices on the end of the shaft and driven home; a hoop of metal, c c, is put over the end of the shaft in a heated state, then carefully wedged up; on cooling, the hoop closely binds the end of the shaft and the ends of ithe cross-tails d d.

When large shafts are used, as in water-wheels, where tlae motion is slow, they are made of cast-iron and hollow. In this case the journals are sometimes inserted, as shown in the sketch, fig. 96 : 5 6 is a project-

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