上泽充通大学 Shanghai Jiao Tong University Flexible Transmission Elements2 Chain Drives(链传动) >A chain drive is a flexible power transmission element that operates on a set of toothed wheels called sprockets(链轮) >Used at lower speed where high torques are needed >At higher speeds, Noise,impact between chain link and sprocket teeth and lubrication become major problems. Xooo66o06形8 Flexible Transmission Elements2 •Chain Drives（链传动） A chain drive is a flexible power transmission element that operates on a set of toothed wheels called sprockets （链轮） Used at lower speed where high torques are needed At higher speeds, Noise, impact between chain link and sprocket teeth and lubrication become major problems