Over 10,000+ customers' choice, Focus on screening industry 40+ years
The difficulty in screening coconut flakes stems from their unique material characteristics. With high fat content, the fat forms a sticky film on the screen surface during screening – fine particles are "glued" to the mesh, accumulating thicker and thicker. Combined with plant fibres that tend to wrap around the screen wires, forming "fibre bridges," screen blinding becomes a constant problem.
Conventional rotary vibrating screens rely on high‑frequency vibration to make material "bounce" on the screen surface – while this can achieve relatively high screening accuracy, for high‑fat, soft, and easily damaged materials like coconut flakes, it often results in particle breakage and frequent blinding. The vibration motors on rotary vibrating screens have relatively short service lives under high‑frequency operation, with higher maintenance costs. While linear screens offer high throughput, they have limitations in fine grading and fragile material protection.
Gaofu's GFBD series tumbler screen (also called a gyratory screen) is a low‑frequency rotary vibrating screen that mimics hand screening. Its working principle involves an adjustable‑eccentricity exciter generating non‑linear three‑dimensional motion – the instantaneous motion of material is the synthesis of radial displacement and circular motion around that displacement (spiral motion).
In simple terms: conventional vibrating screens make material "bounce" through the screen, while the tumbler screen makes material "roll" through the screen. Conventional rotary vibrating screens rely on vibration to make material bounce – material takes time to rise and fall, and it may not land precisely on a mesh opening. The tumbler screen, however, uses a planar rocking motion – material has no bouncing action at all, remaining in full contact with the screen surface as it rolls or slides. As long as a particle small enough to pass through the mesh rolls over an opening, it falls through quickly.
This fundamental difference gives the tumbler screen unique advantages when processing coconut flakes:
Gentle screening – protecting particle integrity. The tumbler screen uses low‑frequency elliptical rocking motion with no high‑speed vibration, causing minimal impact on the material and preserving particle shape. For high‑fat, soft, and easily damaged materials like coconut flakes, this means particle integrity is effectively protected during screening.
Long screening path – more thorough grading. Material disperses evenly across the entire screen surface from the centre to the periphery, propagating in a spiral motion. Material travels a relatively long path on the screen surface, giving fine particles sufficient time to complete the screening process.
Mimics hand screening – higher accuracy. Material on the screen follows a motion trajectory similar to manual screening – combined with appropriate screening accessories, it achieves more ideal screening results. It is particularly suitable for round, cylindrical, flake, and irregularly shaped materials that are prone to blinding and require fine screening.
The core advantages of Gaofu's GFBD series tumbler screen in coconut flakes screening stem from systematic design across multiple levels:
1. Multi‑deck grading – multiple specifications from one feed
Large tumbler screens can be configured with 5 screen decks , simultaneously providing 5 to 6 particle size fractions. Coconut flakes screening mesh covers 8 to 120 mesh – through flexible multi‑deck screen configurations, coarse particles, medium‑fine particles, and ultra‑fine powder can be separated in a single feed, meeting the diverse particle size requirements of different applications.
2. Low‑noise, low‑energy operation
GFBD tumbler screens maintain noise levels consistently between 60 and 70 decibels. This is far below the noise levels of conventional vibrating screens, ensuring a smooth and quiet workshop environment and freeing operators from high‑decibel noise exposure.
3. Dust‑proof and environmentally friendly – no auxiliary devices required
The equipment features a fully enclosed structure with optional airtight and vacuum designs. Apart from the existing ventilation system, the equipment requires little to no additional air purification or dust collection auxiliary devices. For materials with high fines content and easy airborne dispersion like coconut flakes, this design improves the workshop environment while reducing material loss.
4. Anti‑blinding design – solving high‑fat coconut flakes adhesion
To address the high‑fat, blinding‑prone characteristics of coconut flakes, the GFBD series tumbler screen draws on circular structure and multi‑deck principles, designing screen cleaning systems suitable for different material requirements. The equipment is equipped with a bouncing ball cleaning system that effectively solves blinding during screening.
5. High screening accuracy – controllable fineness
The tumbler screen features non‑blocking mesh and no powder emission – capable of screening down to 500 mesh or 0.028 mm. Impurities and oversize material are automatically discharged, supporting continuous operation.
6. Quick screen changes – easy maintenance
The unique screen frame design ensures long screen service life – screen changes take only 3‑5 minutes. For production lines requiring frequent changeovers between different coconut flakes specifications, this feature significantly reduces downtime.
7. Food‑grade stainless steel construction – safeguarding food safety
All coconut flakes‑contact parts are made of 304 or 316L food‑grade stainless steel – with finely polished surfaces, no dead corners, and easy cleaning – fully compliant with food‑grade hygiene standards.
Coconut flakes screening and grading require not just "separating" but "separating precisely, separating stably, and without damaging the material" – achieving precise particle size grading while maximising the protection of coconut flake particle integrity. Gaofu Machinery's GFBD series tumbler screen – with its hand‑screening mimicking low‑frequency principle for particle integrity protection, multi‑deck grading for multiple specifications from one machine, low‑noise low‑energy operation for improved workshop environment, and fully enclosed dust‑proof structure for reduced material loss – provides coconut flake processors with a professional screening solution from impurity removal to fine grading.
Founded in the 1980s, Gaofu Machinery has over 40 years of experience in screening – its product portfolio covers rotary vibrating screens, linear vibrating screens, tumbler screens, and other series. The GFBD series tumbler screen achieves screening fineness up to 500 mesh (0.028 mm), supports flexible configurations of 1 to 5 screen decks, with coconut flakes screening mesh covering 8 to 120 mesh and throughput of 300 to 800 kg/h. If you are looking for professional screening equipment for coconut flakes or similar high‑fat, blinding‑prone materials, we welcome you to learn more about Gaofu's GFBD series coconut flakes tumbler screen range.
Food Industry Client Testimonials
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About Gaofu
Xinxiang Gaofu Machinery Co., Ltd. was founded back in the 1980s. With over 40 years of development, it has been certified as a National-level Specialized, Refined, Unique & Innovative Little Giant Enterprise, National Green Factory, National High-tech Enterprise, and National Intellectual Property Advantage Enterprise, and serves as the President Unit of China Vibration Screening Industry Association.
The company is accredited with the Henan Provincial Industrial Design Center, Henan Provincial Engineering Technology Research Center for Intelligent On-line Screening System, and Xinxiang Municipal Engineering Technology Research Center for Fine Screening.
Gaofu has obtained more than 500 patents including invention patents, utility model patents and design patents, been awarded the Science and Technology Achievement Prize issued by the Ministry of Industry and Information Technology of China, and participated in drafting and formulating 4 national standards.
Gaofu's product portfolio covers multiple series and hundreds of specifications, including vibrating screening equipment, conveying equipment, coal crushing equipment, filtration equipment and automatic material handling systems.
Core products include vibrating screens, screening machines, vibratory sifters, rotary vibrating screens, ultrasonic vibrating screens, linear vibrating screens, airflow screens, gyratory screens, roller screens, dewatering screens, bar screens, vacuum feeding machines, dust-free feeding stations, bulk bag feeding stations, feeding systems, automatic powder feeding systems, automatic slag-discharging filters, leaf filters, clay filters, toothed roll crushers, coal crushers and other machinery.
These products are widely applied in food, pharmaceutical, chemical, metallurgy, construction materials, mining, thermal power, environmental protection and many other industries, winning recognition and trust from over 10,000 clients worldwide.
Gaofu products enjoy strong sales across Greater China, and are exported to more than 100 countries and regions such as Russia, Canada, the United States, New Zealand, Japan, Brazil and South Africa.
Upholding the corporate mission of Improving material quality & efficiency to fully satisfy customer demands, Gaofu maintains long-term partnerships with clients to achieve win-win development.
At present, Gaofu is an official qualified supplier for numerous Fortune Global 500 enterprises, including CNPC, Sinopec, Sinochem Holdings, China Resources Group, Sinopharm Group, COFCO, China National Building Material, China Aerospace Science and Technology Corporation, Jinchuan Group and more.
Gaofu Machinery ranks No.1 in global sales volume of vibrating screens.
In May 2024, Frost & Sullivan, a world-renowned international consulting firm, issued a Market Position Verification Certificate confirming that Gaofu achieved the world's largest shipment volume of vibrating screens in the global market in 2023.
