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Minutes of Proceedings of the Institution of Civil Engineers Volume 166, PT. 4 (Paperback) Loot Price: R598 Discovery Miles 5 980
Minutes of Proceedings of the Institution of Civil Engineers Volume 166, PT. 4 (Paperback): Institution of Civil Engineers
Minutes of Proceedings of the Institution of Civil Engineers Volume 166, PT. 4 (Paperback): Institution of Civil Engineers

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Minutes of Proceedings of the Institution of Civil Engineers Volume 166, PT. 4 (Paperback)

Institution of Civil Engineers

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Loot Price R598 Discovery Miles 5 980

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1906 Excerpt: ...construction of the keying-device, the cams tend to become more tightly wedged in working, and when it is desired to remove them they are easily loosened by a few blows on the toe of the cam. A set of five cams of this pattern can be fixed in 10 minutes. The cam-shaft illustrated in Fig. 18, Plate 5, is 7 feet 10 inches in length and 6 inches in diameter, turned down at the ends to inches to run in sunk bearings, which are 12 inches in length in the centre king-post and 9 inches in length in the outer posts. The hearings for the cam-shafts are usually made in a box-casting lined with Babbitt-metal or some similar alloy. There are, however, objections to the use of these alloys on account of their tendency to crumble under the continuous shocks to which the cam-shaft is subjected, and to fall into the mortar-box and eventually form base amalgam, which is not only deceptive in itself, but causes losses in refining. The form of bearing now adopted by the Author is one of plain cast-iron (Figs. 22, Plate 5), turned to the diameter of the crank-shaft journals, and giving ample bearing-surface. This form of bearing, when lubricated with a mixture of graphite and grease, is most satisfactory. It causes no loss of time from re-metalling bearings and does not interfere with the process of amalgamation. The cam-shaft pulleys, K2 (Figs. 26, Plate 5), are built of wellseasoned clear pine timbers, d, l inch in thickness, securely bolted with -inch bolts, e, to a cast-iron centre, a. The plate, b, is secured to the boss, a, by keys, c. Great care must be taken in building the pulleys to see that each layer of timber is well bedded, glued and firmly screwed to the others. An iron pulley is unsuitable for the work owing to the shocks carried through from ...

General

Imprint: Rarebooksclub.com
Country of origin: United States
Release date: March 2012
First published: March 2012
Authors: Institution of Civil Engineers
Dimensions: 246 x 189 x 10mm (L x W x T)
Format: Paperback - Trade
Pages: 184
ISBN-13: 978-1-130-09589-0
Barcode: 9781130095890
Categories: Books
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LSN: 1-130-09589-4

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