Product Introduction
Rubber pulley for belt filter includes head pulley and tail pulley( drive pulley and tail pulley) .Each filter is equipped with one head pulley and one tail pulley; the cylindrical surface and lateral surface are covered by SBR rubber or other rubber kind. For head pulley, the rubber layer thickness is no less than 30 mm, while the thickness is 16 mm at the ends, with the hardness of 65 degrees. Diamond patterns are made after machining.For the driven pulley, the rubber layer thickness is 25 mm. V-shaped grooves are carved on the rubber layer of the drive pulley, to drain the excess fluid and increase the adhesive force of the rubber layer. The service life is up to 100,000 hours. Our capacity is 1000pcs per year!
Technical Features
1. Diameter: 200-1500mm
2. Pulley body length: 500-4600mm
3. Material of rubber covering: SBR, NR, EPDM
4. Shaft material: 45# steel, different kinds of stainless steel
Main standards
1. Sand blast the surface of steel body, and the grade needs to be Ra2.5
2. Required rubber cover physical performance:
2.1 Tensile strength: ≧18Mpa
2.2 Elongation rate: ≧180%
2.3 Abrasion loss: ≦1m3/1.61km
2.4 Aging factor(70℃×48hours): ≧0.8
3. Rubber and steel adhesive strength: ≧6Mpa
Main manufacturing process
Rubber Covering
Vulcanization
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