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. 1893 Excerpt: ...for the screwing up of d as the bearing wears. Also the connecting rod is enlarged towards the middle, as indicated by the broken piece which marks the increase in size. 128. Another constmction for the end of a connecting rod is simple in its details, and is much used in marine engines, as in the compound cylinder ...
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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. 1893 Excerpt: ...for the screwing up of d as the bearing wears. Also the connecting rod is enlarged towards the middle, as indicated by the broken piece which marks the increase in size. 128. Another constmction for the end of a connecting rod is simple in its details, and is much used in marine engines, as in the compound cylinder engine by Messrs. Maudslay (see fig. 127). Here a brass block is divided into two parts, and is bored through for the reception of two holding bolts, each screwed at one end. The connecting rod terminates in a T-piece marked e, the brasses abut against it, the bolts are passed through the brasses, and a plate /' affords an abutment to keep everyF1o. 100. thing in place after the nuts have been screwed up tight and locked. A side-view shows that the central portion of the brass is elongated, in order to secure a sufficient amount of bearing surface, the advantage of elongated bearings being now well understood. The blocks may, of course, be hollowed out sufficiently to leave a layer of patent metal for dimin1shing the friction, the surface of the soft metal being scored by channels, so as to admit oil for lubrication. Where great force is transmitted the inside of each brass is lined with soft metal. Soft metal bearings, as they are termed, formed the subject of a patent taken out in 1843, No. 9,724. The specification stated that the inner part of the boxes for the support of gudgeons or axles was to be lined with a compound metal, composed of 50 parts of tin, 5 of antimony, and 1 of copper. In order to prepare the boxes for this composition they were 'to be cast with projecting rims or fillets along their interior edges and on their ends, with1n their semicylindrical parts.' The interior of the boxes and the fillets or rims were then to be cleane...
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.