Z1-type expansion sets in the axial force under the effect of expansion outside the shrink sleeve comprising internal and external shaft and hub up to fit closely and generate enough friction to transfer torque to achieve the purpose of functioning institutions. Features: join centering performance; assembly without heating; adjust the position of shaft and hub to facilitate the appropriate
1. Easy to install and dismantle.
2. High degree of flexibility
3. Long lifetime and high efficient transmitting
4. Low notching effect
5. Protection of the expensive equipment under over load running.
6. In compliance with quality requirement of developed coutries.
7. Super high quality with lowest price.