The blueberry grading machine is a cutting-edge sorting solution designed specifically for small-diameter, high-value fruits like blueberries. Blueberries are delicate, and the natural bloom on their surface is a key indicator of freshness and quality, easily lost during processing. Furthermore, despite their small size, the market demands extremely high consistency in size. This machine was designed to address these core challenges. Through a perfect combination of precision engineering and gentle handling technology, it ensures that every blueberry is quickly and accurately graded with zero damage, directly enhancing your product’s premium value and brand reputation.
The machine adopts amulti-layer, stepwise gentle roller screening principle. During operation, blueberries are evenly fed into the entrance and enter food-grade rotary sieve plates with specially designed gaps. As the sieve plates rotate at a constant speed, blueberries move forward gently like a “walk.”
Blueberries smaller than the first sieve gap fall through gently, forming the smallest size grade.
The remaining berries roll forward into subsequent layers with gradually increasing gaps until all grades (typically 5–8 levels) are separated.
This smooth and natural process minimizes squeezing, collisions, and friction, ensuring the blueberries remain intact and market-ready.
Here is the blueberry grading machine youtube video testing in our factory for your reference!!
方面 (长度 * 宽度 * 高度毫米) 3 级别: 3745*1165*985
4 级别: 4225*1165*1160
排序级别: 3-4 级别.
工作效率: 300 (公斤/小时)
工作电源: 220V
额定功率: 1千瓦
Non-destructive grading, protecting blueberry powder: The gentle rolling sieving process avoids the harsh friction and drops associated with traditional sorting, preserving the precious natural blueberry powder on the surface and ensuring optimal presentation.
Excellent hygiene and durability: The food-grade material and smooth surface ensure easy cleaning and disinfection, complying with international certifications such as HACCP and CE, and boasting a long service life and low maintenance costs.
Stepless speed regulation accommodates diverse operating conditions: Operators can easily adjust the feed rate to find the optimal balance between efficiency and quality, whether processing delicate early fruit or high-volume peaks.
Future-proof investment: The modular design allows your production line to be flexibly upgraded as your business grows and technological advancements advance, protecting your initial investment and adapting to long-term development needs.
Customized Precision Screen: Manufactured using high-precision laser cutting technology, the multi-layer drum screen allows for customized clearances based on the diameter characteristics of popular blueberry varieties, such as Duke and Bluecrop.
Food-Grade Materials on All Contact Surfaces: All surfaces that come into contact with the blueberries, including the screen, trough, and guide plates, are constructed from 304 stainless steel and food-grade engineering plastics, ensuring absolute hygiene and corrosion resistance.
Adjustable Gentle Vibratory Feeding System: Equipped with an infinitely variable vibratory feeder, the feed rate can be precisely controlled based on the ripeness and batch characteristics of the blueberries, preventing congestion and stacking.
Modular and Highly Compatible Design: The machine's modular design allows for easy integration with front-end washing equipment and back-end packaging lines. It can also be upgraded with an optical sorting module for color and defect detection.
Enhance product value and brand image: Flawless, powdery blueberries easily enter high-end fresh produce supermarkets, earning a "优质的" rating, directly increasing sales price and brand reputation.
Reduced operating costs and compliance risks: The easy-to-clean and maintain design reduces downtime and labor costs; materials and designs that meet international standards help you easily pass stringent customer factory inspections and export audits.
Maximized production efficiency and yield: Stable, high-speed sorting, combined with an adjustable feeding system, ensures that the seasonal harvest is processed in the shortest possible time, preserving freshness and reducing waste.
Guaranteed return on investment: The equipment's flexibility and upgradeability make it a future-proof asset, eliminating the risk of having to replace the entire system due to technology upgrades or product line changes.
Visual Proof of Quality: Before-and-after comparison videos and images clearly demonstrate that blueberries processed by our machines retain far more powder than traditional vibrating screens.
Third-Party Test Reports: We provide authoritative test reports for machine materials (such as food safety certification for stainless steel) and electrical systems (such as CE safety certification).
On-site Verification Opportunities: We welcome you to provide blueberry samples for free sorting trials at our testing center. Let the results speak for themselves.
We hold multiple national invention patents, and our products have passed numerous international certifications, including CE and ISO9001, and are sold in over 50 countries and regions worldwide.
With over 15 years of experience in agricultural sorting machinery, we have a deep understanding of the entire blueberry supply chain, from planting to post-harvest processing to marketing. Our solutions are the result of countless field trials and continuous improvement.
Our R&D team comprises experts in mechanical engineering and agri-food science. We not only manufacture machines but also provide scientific sorting solutions based on crop characteristics, such as optimizing vibration parameters for different blueberry varieties.
We firmly believe that transparency and integrity are the foundation of any partnership. We offer detailed equipment configurations and transparent pricing, as well as comprehensive installation and commissioning, operator training, and timely after-sales support. Our numerous repeat customers and long-term partners are testament to our credibility.
Our high-precision blueberry grader, with its sophisticated engineering and gentle handling, successfully addresses the pain points of blueberry sorting: ensuring fast, non-destructive, and accurate grading while preserving fine powder. This equipment not only meets international food safety and quality standards, but also offers customers long-term, stable investment value through modularity and scalability. Whether enhancing product competitiveness in the high-end market or improving overall production efficiency, this grader will help you stand out in the competitive fruit market.
If you're looking for a solution that truly improves blueberry product quality, reduces waste, and generates higher returns for your business, our high-precision blueberry grader is your best choice.
✨ Contact us now to receive more equipment specifications, case studies, and customized solutions. Let us help you build a more efficient and valuable blueberry sorting line!
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