Why Choose Ninon Gyratory Sifter?
All vibrating screens look similar — why are countless manufacturers replacing conventional vibrating screens with gyratory screens?
Many producers are long plagued by recurring production troubles: vibrating screen mesh clogging, material crushing, uneven grading, low throughput and dust leakage.
Traditional vibrating screens operate with high-frequency violent vibration, generating strong impact force. They show obvious drawbacks when processing fine powder, sticky materials and fragile granular products.
By simulating manual sifting motion, square swing screens effectively avoid material breakage and mesh blockage while delivering superior grading accuracy and doubled output. Gyratory sifters have become the mainstream precision vibrating screen widely adopted in quartz sand, chemical, food, metallurgy and powder processing industries.
Today we'll dive deep into square gyratory screen.

Gyratory Sifter Structure Diagram
What is A Square Gyratory Screen?
Also known as reciprocating gyratory sifter, the square swing screen is a low-frequency, high-amplitude 3D precision screening machine.
square gyratory screen replicates the movement path of manual hand sieving with gentle operation to achieve full material separation. The gyratory sifter thoroughly resolves common industrial pain points including fine powder agglomeration, mesh blocking, material breakage and substandard grading results.
Supporting multi-layer grading, the square gyratory screen works for both dry and wet screening with a mesh range of 4–200 mesh, covering the screening requirements of most industrial materials.

Ninon Square Gyratory Screen
Ninon Square Swing Screen Working Principle Analysis
Driven by an eccentric transmission mechanism, the vibrating screen box performs a composite 3D motion consisting of horizontal reciprocation, lateral swing and slight tossing. Materials advance sequentially for consistent and uniform screening performance.
Feeding Section – Even Material Spreading
After feeding onto the square swing screen deck, materials move in a horizontal circular path and spread rapidly without accumulation, laying a solid foundation for precise separation.
Middle Section – Stratification & Sifting Through
Materials travel slowly along a spiral involute track with sufficient tumbling and sliding. Coarse and fine fractions separate quickly, and tiny particles pass through the mesh for classification.
Discharge Section – Stable Material Output
Materials shift to linear motion for steady discharge of coarse materials and impurities, with no material retention or leakage throughout the process.
Equipped with built-in bouncing balls for automatic mesh cleaning, the unit continuously clears screen apertures during operation to fundamentally prevent clogging and sustain long-term high screening efficiency.


Ninon Gyratory Sifter (Square Swing Screen)

