Global Solutions for the Food Industry

1.Brief introduction

This plane rotary grading screen uses an eccentric transmission system to deliver stable horizontal rotary and swing motion without vertical vibration. It makes materials evenly spread, layered and screened on the screen surface. Fine particles pass through the mesh, while coarse materials move forward for automatic discharging. The machine features stable operation, no material damage, no screen clogging and high precision, suitable for grading various grains, powders and granular materials.

2. Complete Working Principle 

Different from conventional vibrating screens, this rotary grading screen adopts a pure horizontal compound motion screening method. Driven by a motor and eccentric shaft, the screen body runs with a progressive trajectory: circular motion at the feeding end, elliptical motion in the middle, and linear swing at the discharging end.
With a slightly inclined screen surface, materials are evenly spread and automatically stratified by horizontal rotary force. Fine particles fall through the screen mesh by gravity, while oversized particles and impurities move forward along the screen and discharge from the coarse outlet, realizing continuous and automatic grading.
Equipped with balance weights and elastic supports, the machine offsets inertial force effectively, achieving low vibration, low noise and stable long-term operation. The gentle horizontal movement prevents material breakage and screen blocking, ensuring high screening accuracy and efficiency.

3. Core Selling Points 

  • Horizontal rotary operation, no vertical jumping, no material damage
  • Progressive motion track for uniform material spreading and thorough grading
  • Anti-clogging screen structure, high screening precision
  • Elastic suspension design, stable running, low noise, no ground vibration
  • Fully automatic continuous production, high capacity for industrial use
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