-->//(Chain Drives) Example 14.3 -->//Power rating of electric motor kW -->kWd = 5 kWd = 5. -->//Speed of the motor n1 (rpm) -->n1 = 1400 n1 = 1400. -->//Speed reduction i -->i = 3/1 i = 3. -->//Centre distance a (mm) -->a = 500 a = 500. -->//Number of teeth on the driving sprocket z1 -->z1 = 21 z1 = 21. -->//Change the following data accordingly -->//Find service factor for moderate shock conditions from table 14.3 on page 551 -->Ks = 1.3 Ks = 1.3 -->//Find multiple strand factor from table 14.4 on page 551 -->//For 1 strand -->K1 = 1 K1 = 1. -->//Find the tooth correction factor from table 14.5 on page 551 -->//For 21 teeth -->K2 = 1.26 K2 = 1.26 -->//After choosing the chain, alter following data accordingly -->//pitch p (mm) -->p = 12.7 p = 12.7 Choose appropriate chain from table 14.2 on page 550 for 5.158730 kW power transmitted at 1400.000000 rpm Here, we choose chain 8A (5.28 kW rating) Number of chain links(Ln) = 121.875097 or 122.000000 Correct centre distance between the sprocket axes(a) = 500.804717 mm