Z2-type expansion sleeve of the double cone by an inner opening, an opening of the double cone outer ring and two double cone clamping ring. Tighten with hex bolts, tighten the elastic ring when there is no relative axial movement of the hub, and Z1-type comparison, the same clamping force can produce a greater radial pressure to deliver greater payload. For ease of removal, in a hold-down ring with the screw holes on the demolition, along the circumference of a total of 2 to 4. Widely used in packaging, printing, textile, machine tools and other machinery.
Feature: 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.