Variable Center Drive for speed variation ratio of 1:3. Wide V belts used for the drive. Vary the speed by changing the centre distance between the Variable Center Drive (driveR) and the Fixed speed pulley (driveN). The sliding connection between the Variable Center Drive hub and disks is through serrations. Power is transmitted by wedging action of the belt by means of specially designed basket shaped springs. Periodic greasing required.
Available for power rating from 0.18 Kw to 18.5 Kw.