2 stage spur gear gearbox wholesale Why the noise? It is true that all 2 stage spur gear gearbox wholesale is noisy, noise is caused by the collision, friction and vibration of components such as gears in the transmission. Many scholars believe that the noise of 2 stage spur gear gearbox wholesale is caused by the change of tooth meshing stiffness in gear transmission, which is considered to be the dynamic load and vibration of the gear. Reducing the noise of gear transmission...