From the point of view of product, not only can see the synchronous belt wheel with no slip ratio accurately, can achieve high precision transmission and transmission efficiency of these advantages, from the point of view of application, can also see that the transmission device has many advantages. This article came from the perspective of application, as an introduction to the transmission device has the advantages of. Advantages: small footprint. As a result of the synchronous belt wheel structure is compact, so at the time of application to take up the space is very small, in the work to optimize the equipment, at the same time, and will not affect the equipment structure optimization. Advantage 2: tension is small. Synchronous belt wheel application tensioning force is small, so it is not easy to appear the phenomenon of synchronous belt and take off, use up is very safe, there is no obvious security hidden danger. Advantage 3: without lubrication. Synchronous belt wheel at the time of application, don't need to like other gear lubrication, so very easy and convenient in maintenance. Four advantages: no pollution. Application of pulley, can present a optimal transmission effect at the same time, there will be no any pollution phenomenon. Advantage five: little noise. Because of the synchronous belt wheel itself has very good buffer and damping capacity, so in the application of transmission noise is very small. From the point of view of application, the synchronous belt wheel have these advantages, can be seen from these advantages and the transmission device necessarily presented the optimization effect.