Spiral return roller
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Description
Spiral return roller is a self-cleaning, support roller for the return side of a belt conveyor, using a spiral design, often rubber or steel surface that acts like a screw, continuously pushing accumulated sticky or abrasive material from the center to the belt's edges. preventing buildup and belt misalignments. Its benefits include effective belt cleaning, extended belt and roller lifespan, and a reduction in maintenance and cleanup costs, making it ideal for industries handling sticky, corrosive, or abrasive bulk materials like mining, power generation, and metallurgy.
Specification
♦ Roller Diameter: 89, 102, 108, 114, 127, 133, 140, 152, 159, 165, 178, 194, 219mm
♦ Roller Length: 200-2400mm.
♦ Shaft Diameter: 20, 25, 30, 35, 40, 45, 50mm
♦ Bearing type: 6204, 6205, 6305, 6206, 6306, 6307, 6308, 6309, 6310
♦ Surface Treatment: Electrostatic Powder Coating, Galvanization，Rubber Coating
♦ Standard: DIN, CEMA, JIS, AS and so on
Spiral return roller Inner Structure
Tube tube special for roller, compared with ordinary steel tube, it has great
advantages in diameter,thickness tolerance, bending degree, ovality and
so on which can make the roller have minimum play radial eccentricityShaft high precision cold-drawn steel which has high brightness and little tolerance. Bearing use deep groove ball bearing with big C3, C4.clearance, which can make
rollers revolve flexibly. Bearing type is 2RZ and 2RS with oil seal which
have advantage in dust proof.Bearing Housing formed by many times of punching which can make precise size
Type:Straight edge and flanging edgeSeals Seals Type: DTII, TD75, TK Contact, TK labyrinth, TKII
Material: ABS resin, Nylon, Polyurethane, polyformaldehyde and so on.Sprial rings Steel and Rubber two types Features
Self-Cleaning:
The most significant benefit is the roller's ability to clean itself and the underside of the belt, reducing material carryback.
Extended Lifespan:
By preventing material buildup and misalignments, it helps to prolong the life of both the roller and the conveyor belt.
Reduced Maintenance:
Less material accumulation means fewer shutdowns for cleaning, leading to reduced maintenance costs and increased operational efficiency.
Improved Belt Tracking:
The spiral action helps to keep the belt aligned, minimizing belt training issues and potential damage from misalignment.
Versatility
♦ Available in steel or rubber, they are suitable for a wide range of conditions, especially where sticky, corrosive, or abrasive materials are present.
Applications
♦ Mining: Ideal for conveying abrasive and sticky materials found in mining operations.
♦ Power Generation: Used in power plants for handling coal and other bulk materials.
♦ Cement and Metallurgy: Well-suited for industries with sticky, corrosive, and abrasive materials.
♦ General Bulk Material Handling: Any conveyor system that experiences sticky material buildup on the return belt can benefit from spiral return rollers.
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Spiral return roller
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