Rubber balls for cleaning vibrating screens
They are made of solid rubber and represent one of the most important spare parts of vibrating screens. They improve the sieving performance by preventing the accumulation of sieved material that can cause blockage of the screen openings.
They are available in diameters of 20 mm, 25 mm, 30 mm, 35 mm, 40 mm, and 50 mm.
How rubber balls work:
The vibrations produced by the motor of the plant are transmitted to the screen mesh, causing the rubber balls to bounce and clean the material build-up in the screen openings, thus improving the sieving performance.
Classification of rubber balls:
Rubber balls are mainly made of standard EPDM rubber, highly elastic natural NR rubber, and silicone rubber.
Characteristics and application of rubber balls according to the raw material base:
EPDM synthetic rubber balls are characterized by standard elasticity, good resistance to acids, alkalis, ozone, and atmospheric agents, but low resistance to oils and lubricants (conditionally resistant to vegetable oil).
Natural NR rubber balls are characterized by excellent elasticity, good resistance to acids and alkalis, but low resistance to oils and lubricants.
Silicone rubber balls are characterized by standard elasticity, good resistance to acids, alkalis, oils, and lubricants, and good resistance to low and high environmental temperatures.
Recommendations for selecting the size of rubber balls:
For rotary vibrating screens with a diameter smaller than 800 mm, the recommended diameter of rubber balls is usually 20 mm.
For screen diameters from 1 m to 2.5 m, rubber balls of 25 and 28 mm are usually recommended.
For screen diameters larger than 2.5 m, rubber balls of 30-40 mm are recommended.