Gears driven narrow strip hot rolling mandrel
The mandrel moves axially in the hollow shaft under the action of the expansion and contraction hydraulic cylinder, the inclined surface of the mandrel pushes the plunger in the radial hole of the hollow shaft to move outward, and the upper end face of the plunger pushes the segment to expand outward, to realize the reel to the expansion diameter.When the coil is finished, the mandrel moves axially in the opposite direction under the action of the expansion and contraction cylinder, the segment is pulled by the connecting rod to shrink inward, the plunger moves inward, and the diameter of the reel is reduced to the uncoiled state , to start unloading the coil. Expansion and contraction range: φ 492~ φ 520 Max.coil weight:10 Ton Max. coil width: 750mm Max.tension : 50kN.
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