the transmission of timing belt is a new transmission mode and transmits the dynamic force by the belt teeth and pulley . It combines respective advantages of gear transmission,chain transmission and belt transmission. No. Name Function Material 1 Top Rubber Protect the lining tensile member CR 2 Tensile Member Protect the tensile member and maintain the shape of the rubber,prevent the rubber from stretching Glass Fiber 3 Teeth Rubber Protect the tensile member and maintain the shape of the rubber CR 4 Teeth Fabric Excellent frictional resistance which prolongs the service life of product Nylon Fabric