The mandrel moves axially within the hollow shaft under the action of the expansion and contraction hydraulic cylinder. The beveled surface of the mandrel pushes the plunger in the radial hole of the hollow shaft to move outward, and the upper end surface of the plunger pushes the fan-shaped plate to expand outward, so as to realize the expansion of the reel. After winding the tape roll, the mandrel moves axially in the opposite direction under the action of the expansion cylinder. Through the connecting rod pulling the fan-shaped plate inward contraction, the plunger moves inward. The diameter of the reel is reduced to the uncoiling state, and the

uncoiling begins.

Rising and shrinking range: Φ492~Φ520

Maximum roll weight: 10t

Maximum strip width: 750mm

Thickness of rolled tape：1.2~10mm

Maximum tension: 50kN

Gear-driven narrow strip hot rolling coil is a kind of equipment used for hot rolling processing of metal materials. Its gear transmission system can precisely control the speed and tension of the coil to ensure the stability and precision of the material during the hot rolling process. The equipment is suitable for producing narrow metal sheets with high efficiency and precision, and is widely used in iron and steel, metallurgy and other industries. The gear-driven narrow strip hot rolling coil has a compact design and easy operation, which can meet the processing needs of metal materials of different specifications and materials. Its highly automated control system and stable working performance make it an indispensable and important equipment in the metal processing industry.

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