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Powder Coating Vibratory Sifter

jalal afsarTuesday February-03 2026  11:49:05 construction works no comments

Powder Coating Vibratory Sifter is made of stainless steel, making it resistant to rust and fiber shedding during prolonged contact with chemical powders. The mesh size of the sieve can be adjusted according to process requirements, typically ranging from 40 to 200 mesh. The machine body is also made of stainless steel, with a bright appearance that meets food-grade or pharmaceutical-grade cleaning requirements, making it easy to clean and preventing rust and powder contamination like ordinary steel. To reduce powder scattering and material loss, the equipment is designed with a sealed structure, commonly using silicone sealing rings or pneumatic clamps to ensure that powder does not escape during the sieving process. In terms of capacity, depending on the model and material, it can process 10 kg to 20 tons of powder coating per hour, suitable for small-batch sieving in laboratories as well as industrial production.

Working Principle of the Powder Coating Vibratory Sifter

The Powder Coating Vibratory Sifter works by using the vibration force generated by a motor to cause the sieve surface to reciprocate. The equipment consists of a base, vibrating motor, sieve frame, sieve mesh, and top cover. During operation, a vertical vibrating motor mounted on the base or side wall of the screen cylinder rotates at high speed, driving the screen surface to perform a complex motion of horizontal, vertical, and inclined movements. The powder coating rapidly disperses on the screen surface, moving in a spiral direction while simultaneously bouncing up and down. Particles smaller than the screen mesh fall through the mesh to the lower discharge port, while larger particles or clumps remain on the screen and gradually move to the discharge port. By adjusting the position and angle of the eccentric blocks, the movement and residence time of the material on the screen surface can be changed, ensuring a smooth and continuous screening process.

Powder Coating Vibratory Sifter Features

The Powder Coating Vibratory Sifter is frequently used in the powder coating industry because it solves many common production problems. Powder coatings are prone to absorbing moisture and clumping under pressure, and fibers, large particles, or mechanical impurities may also be introduced during production. This vibrating screen uses high-frequency vibration to quickly disperse powder clumps, allowing small particles to pass smoothly through the screen while retaining large particles and impurities, ensuring uniform powder particle size and improving the smoothness and gloss of the coating surface from the source. The equipment is compact, lightweight, and easy to move. Screen changing is quick, taking only 5 minutes to complete cleaning or mesh size replacement, making it suitable for production needs with frequent color changes. It is typically installed after a crusher, before a packaging machine, or in a spraying line to recover and sieve powder, ensuring the powder entering the spray gun or packaging bag is clean and free of impurities. Considering that powder coatings are flammable and explosive dust, this vibrating screen is also designed with explosion-proof features. The vibrating motor is explosion-proof, and the machine body can be equipped with a nitrogen protection interface or anti-static device. Some models can also be equipped with explosion-proof bags or observation windows, greatly reducing the risk of accidents caused by friction sparks or static electricity, thus enhancing production safety.

Powder Coating Vibratory Sifter Application Cases

A large powder coating manufacturer encountered a problem with unstable product quality. In the electrostatic spraying production line, the recovered powder was mixed with workshop dust, lint, and agglomerated particles generated during the spraying process, resulting in orange peel and particle protrusions on the coated surface. To solve this problem, they installed a Powder Coating Vibratory Sifter with an explosion-proof motor before the packaging process. The equipment is equipped with a 150-mesh stainless steel screen, a dust cover, and quick-opening clamps. After installation and commissioning, impurities and large particle clumps in the recycled powder are screened out, with a processing capacity of 800 kg per hour, matching the production line rhythm. After use, the screened powder flows more smoothly during spraying, resulting in a finer and smoother coating surface, and a reduction in scrap rate of more than 5%. Furthermore, the fully enclosed design of the equipment reduces dust dispersion in the workshop, making the workshop environment cleaner and more tidy.

The Powder Coating Vibratory Sifter plays a crucial role in powder coating production and coating processes. Through a reasonable structural design and vibration principle, it rapidly screens powder coatings, solving problems such as caking, impurities, and uneven particle size, thereby improving the smoothness and gloss of the coating surface. Screen replacement is convenient, and cleaning can be completed in minutes. The fully enclosed body prevents dust dispersion and is suitable for explosion-proof operating environments. On the production line, it can be placed after the crusher or before the packaging machine, or used for screening recycled powder to help maintain stable production. For powder coating companies that pursue high-quality, high-efficiency, and safe production, a reliable Powder Coating Vibratory Sifter can not only improve product performance but also streamline the production process, thereby enhancing the company's competitiveness.