Capacity : 10-20 Tons per hour
Sieves:Four Layers
Power:1.5KW(two vibration motor)
Certification: SGS, CE, SONCAP
Supply Ability: 50 sets per month
Delivery period: 10-15 working days
Function : Vibration Grader for removing the the big & small impurities or separate different size for grains and oils seeds & pulses
Grading machine introduction
Vibration Grader for removing the the big & small impurities or separate different size for grains and oils seeds & pulses.Under the action of the vibration force of the screen box, materials of different sizes are separated by different specifications of screen plates and enter the grain discharge box. The screen plates sort the materials and remove large and small impurities. Finally, they are classified and discharged into bags or enter the grain trough for the next processing.
Machine Grain Flow Chart
What magnetic separator can do?
The grading machine is to separate the grain, seed and beans to different size.Meanwhile it can remove the smaller size impurities and larger impurities further, There are 3 layers and 4 layers and 8 layers grading machine for you to choose.Only need to change the different size of stainless steel sieves. The grading machine it can used for beans, kidney beans, soya beans, mung beans, grains.peanuts and sesame seeds.
TECHNICAL SPECIFICATION
PRODUCT FEATURES
● Easy to change the sieves for grading different material
● Sand blasting appearance protecting from rusting and water
● The key components are 304 stainless steel structure, which used for food grade cleaning.
● It is equipped with the most advanced frequency converter. It is can adjust the grading speed
PRODUCT STRUCTURES
● The seed Grader& Beans grading machine consists bucket elevator and Grain input vibrating box, stainless steel Sieves, Vibration Motor and Grain out put.
● Low speed no broken slope elevator: Loading grains and mung beans and beans to the grader and beans grading machine without any broken.
● Stainless steel sieves : Used for food processing.
Cleaning result
Why choose our Grading machine?
Our Grading machine can be used for various materials. By relying on multiple layers of different-sized sieve surfaces, it can precisely separate materials based on their particle size and shape. It can separate large impurities, small impurities, and qualified clean grains all at once. The operation is continuous and stable. The single-machine production capacity can cover small and medium-sized to large-scale grain and coarse grain processing lines. The material transportation is smooth, and there is no blockage or interruption. It is suitable for large-scale mass production. Changing the sieve mesh size can switch the processed materials. Wheat, corn, soybeans, mung beans, adzuki beans, chickpeas, coarse grains, and oil seed crops can all be used.
lading picture for different clients

Taobo Machinery are a Chinese manufacturer of soybean grading machine.When processing soybeans, a grading screen can sort them by seed size and distinguish between specifications.Pre-screen to remove large soil clods and crop stalks, preventing hard, bulky materials from entering the gravity destoner, polisher, and color sorter; this avoids scratching the screen cylinders, reduces wear and tear on downstream equipment, and lowers the breakage rate.
Depending on the crop type and screen configuration, the grading machine processes 3 to 8 tons per hour.Grading screens can be customized according to the specific material; they are suitable for soybeans, sesame seeds, mung beans, and coffee beans.
Grading screens are fully customization; aperture patterns and sizes can be tailored to specific requirements. Screen decks can be configured with 2, 3, or 4 layers, and multi-outlet grading layouts can be designed to meet specific needs.The screens are easy to replace to accommodate different crop types and grading requirements.
Soybeans and miscellaneous grains transported by the hoist are fed into the equipment's inlet buffer hopper; a vibrating motor activates, driving the inclined screen box to undergo small-amplitude, reciprocating oscillation, causing the material to slide and bounce gently forward and upward across the screen surface. Inside the screen box, multiple custom-made screen decks with varying aperture sizes are arranged from top to bottom, allowing the material to be screened layer by layer with separate discharge outlets for each level.
Hebei Taobo Machinery possesses 20 years of professional experience in the manufacture of grain cleaning equipment and is dedicated to the R&D and production of sorting machinery for legumes and grains. The company has a deep understanding of the impurity characteristics of specialty raw grains from various regions and the specific processing conditions found in different locations. Taobo’s graders offer a high degree of customization to meet the processing requirements of diverse minor grains; the equipment delivers high sorting precision and excellent separation performance, effectively minimizing raw material loss.
Nov. 07, 2026
2026 gravity separator utilizes differences in material specific gravity to perform sorting. It is specifically designed to remove impurities and inferior-quality grains that are similar in size to the target seeds—particles that are otherwise difficult to separate using conventional air-screen or vibrating-screen cleaners. It serves as a core piece of precision-sorting equipment in processing lines for grains, sesame seeds, and legumes.
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Sesame seeds are extremely small (approximately 1.5–2 mm in diameter) and flat-oval in shape, with a smooth surface, high oil content, and relatively low specific gravity. These physical characteristics present unique challenges for cleaning: while light impurities—such as stalks, husks, dust, and shriveled or empty seeds—can be removed via air classification (aspiration), and oversized or undersized debris can be intercepted through screening, certain contaminants pose a greater difficulty. Specifically, stones, sand, clods of soil, and metal fragments—which are similar in size to sesame seeds but have a significantly higher specific gravity—cannot be effectively separated by either air classification (as they are too heavy to be moved by airflow) or screening (as they pass through or are retained alongside the seeds).
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Pakistan is a significant global producer and exporter of sesame seeds, ranking as one of the few oilseed crops for which the country maintains a net export position. According to data from Pakistan’s Ministry of National Food Security and Research, the area under sesame cultivation expanded substantially from approximately 259,900 hectares in the 2022/23 crop year to about 399,800 hectares in 2023/24—an increase of 53%. Production reached approximately 301,200 tonnes, a sharp year-on-year rise of 97.7%. For the 2024/25 crop year, production is projected to climb further to approximately 440,000 tonnes (a 44.7% year-on-year increase), with the harvested area—as recorded by FAOSTAT—exceeding 700,000 hectares. The primary production regions are concentrated in Punjab province (cultivated during the *Kharif* monsoon season, covering approximately 1.76 million acres in 2024) and parts of Sindh province. In recent years, technical cooperation between Pakistan and China, alongside the adoption of contract farming, has led to significant improvements in both crop yields and the level of commercialization.
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