DESCRIPTION:

 

 

 

Primary vibration sieve is used for classification the material into two fractions, or for separating slag, mullock, and to extract iberlauf from natural or mechanically chopped material. The main part of the primary vibration sieve is swing that is one whole and it is over four springs leaned on the stationary part of primary vibrating sieves. In swing focus axis there is a shaft with rolling  bearings which at their ends have flywheels with specific masses, and at a certain rotations gives adequate working oscillations.