Bolt connection on the relatively high requirements, in the installation of the coupling before the two axes to be coarse to the middle, although the thick to the middle, as long as a little bigger, the bolt is not good twist, and even I saw the direct Forced to twist the case, and the use of elastic sleeve that can relax the center of the request, the other is the torque limit, elastic sleeve coupling can set the slip torque, when the drive end torque instantly exceeds the set value, the elastic sleeve inside and outside the tube can Slip to avoid the entire drive chain speeding.

• LA, RF tire coupling tire body
• Nylon sets of ring gear