The crankshaft depending upon the number of cranks in

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Unformatted text preview: consists of the shaft parts which revolve in the main bearings, the crankpins to which the big ends of the connecting rod are connected, the crank arms or webs (also called cheeks) which connect the crankpins and the shaft parts. The crankshaft, depending upon the position of crank, may be divided into the following two types : 1. Side crankshaft or overhung crankshaft, as shown in Fig. 32.15 (a), and 2. Centre crankshaft, as shown in Fig. 32. 15 (b). Fig. 32.15. Types of crankshafts. The crankshaft, depending upon the number of cranks in the shaft, may also be classfied as single throw or multi-throw crankshafts. A crankhaft with only one side crank or centre crank is called a single throw crankshaft whereas the crankshaft with two side cranks, one on each end or with two or more centre cranks is known as multi-throw crankshaft. The side crankshafts are used for medium and large size horizontal engines. 32.17 Material and manufacture of Crankshafts The crankshafts are subjected to shock and fatigue loads. Thus material of the crankshaf...
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This note was uploaded on 09/30/2012 for the course MECHANICAL 403 taught by Professor A.thirumoorthy during the Spring '11 term at Anna University Chennai - Regional Office, Coimbatore.

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