For a non-isometric particle, the axis must be correctly aligned with respect to the place of the screen and the centre of gravity of the particle must be above the aperture at any instant. Further, the amount of material on the screen should be such that passage of small particles is not obstructred by larger particles.
It is therefore necessary to Impart horlzontal rotary motion to the particle by suitable means. Care also has to be taken to ensure that such motion, particularly during dry sieving or grading operation, should not be vigorous so as to cause size reduction of particles themselves or damage to the screen.
GAYLORD Sieving, Grading and Straining Machine was specially developed with above design features to provide gyratory vibration. The amplitude of vibration is adjustable to suit processing needs.