Rotary vibration sieve is also known as three dimensional vibrations : vibration trajectory of the vibrating body projected on the horizontal plane is a circle or an ellipse, the vibration form known as the rotary vibration.

Rotary vibration can be divided into flat rotary vibration, vortex type vibration and rotary type vibration in three forms. Projection vibration trajectory when the vibration body in a vertical plane is a horizontal line, the vibration form known as the swing type vibrating; Projection when the vibration body trajectory in a vertical plane is an inclined line, the vibration form known as the vortex vibration. Projection vibration trajectory when the vibration body in a vertical plane is a circle or an ellipse, the vibration form known as the rotary type vibration

Usually produce rotary vibration by rotary vibration sifter of vertical vibration motor excitation, the vibration form is depend on vertical vibration motor excitation at both ends of the fixed block angle. Two foot mounting type vibration motors can also be installed in two sides of vibration equipment, and the rotating shaft in a set angle, vibration equipment will also produce rotary vibration.
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