上游充互大学 Shanghai Jiao Tong University Objectives of this Lecture Describe the basic features of a belt drive system Describe several types of belt drives Specify suitable types and sizes of belts and sheaves to transmit a given level of power at specified speeds for the input and output sheaves Specify the primary installation variables for belt drives,including center distance and belt length 1313 Objectives of this Lecture Describe the basic features of a belt drive system Describe several types of belt drives Specify suitable types and sizes of belts and sheaves to transmit a given level of power at specified speeds for the input and output sheaves Specify the primary installation variables for belt drives, including center distance and belt length