The Kinematics of Machinery: Outlines of a Theory of Machines (Classic Reprint) - Softcover

F. Reuleaux

Softcover

ISBN 10: 1332314481 ISBN 13: 9781332314485

Publisher: Forgotten Books, 2019

Synopsis

Excerpt from The Kinematics of Machinery: Outlines of a Theory of Machines

I may mention here only one other feature in Reuleaux's work, namely, his treatment of fluids when they occur in mechanisms or machines (chap. IV. It has long been customary, of course, to treat cords, chains, belts &c., as organs which could legitimately form palt of machines, but fluids have been universally (so far as I know) excluded from consideration in this way. Reuleaux points out that fiuids - pressure-organs - are simply contrapositives of the tension-organs just men tioned, and that if one be included in the study of pure mechanism there can be no reason for excluding the other. He gives also many instances of the way in which engineers use the one or the other as the column of fluid or the cord best suits their purpose. In examining mechanisms we consider the motions of each body as a whole, ignoring altogether its molecular condition, or more strictly assuming that it is so arranged that its molecular stability is not disturbed during the motion. This pre-supposition is made tacitly in the case of rigid bodies, where molecular stability is independent of the application of external force. It is made also 111 the case of ropes, belts, &c., for when these occur in machines it is always assumed that they are kept in tension by some force external to themselves, in any other case their motions would be quite indeterminate. With fluids it is not necessary to make any other assumption than this, but the external force must be a pressure instead of a pull, and must be supplied in directions other than that in which motion takes place. 126 shows some of the interesting results to which this treatment of fluid organs may lead.

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About this title

Review

This classic on what controls movements within machines
was written by the Father of Kinematics. Reuleaux writes
with authority and precision, developing the subject from its
fundamentals, and 450 figures illustrate his descriptions. An
excellent text for basic courses in kinematics, this volume
also serves as a standard reference.
Reprint of the Macmillan and Company, 1876 edition

About this edition

• Publisher: Forgotten Books
• Publication date: 2019
• ISBN 10: 1332314481
• ISBN 13: 9781332314485
• Binding: Paperback
• Number of pages: 643