5 d 285 14 1066 mm since the pitch of the studs

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Unformatted text preview: um pitch of the studs = 19 d = 19 14 = 71.1 mm and maximum pitch of the studs = 28.5 d = 28.5 14 = 106.6 mm Since the pitch of the studs obtained above (i.e. 82.2 mm) lies within 71.1 mm and 106.6 mm, therefore, size of the stud (d ) calculated above is satisfactory. ∴ d = 14 mm Ans. 32.5 Piston The piston is a disc which reciprocates within a cylinder. It is either moved by the fluid or it moves the fluid which enters the cylinder. The main function of the piston of an internal combustion engine is to receive the impulse from the expanding gas and to transmit the energy to the crankshaft through the connecting rod. The piston must also disperse a large amount of heat from the combustion chamber to the cylinder walls. Fig. 32.3. Piston for I.C. engines (Trunk type). Internal Combustion Engine Parts n 1133 The piston of internal combustion engines are usually of trunk type as shown in Fig. 32.3. Such pistons are open at one end and consists of the following parts : 1. Head or crown. The piston head or crown...
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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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