Serpentine Spring, also known as coupling spring. In mechanical transmission systems, this type of spring is responsible for transmitting torque and buffering. The structure usually consists of two half shafts with several teeth and one or several coupling springs. The torque range of the coupling spring is between 26N · M~800000N · M, and the relative radial displacement of the two half shafts is allowed to be between 0.5mm~3mm, the axial displacement is between 4mm~20mm, and the angular displacement is 1 ° 15 '' ''.
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