Rotary Drum Seed Grader – Cylindrical Seed Sizing & Cleaning Machine
The MMCTECH CSG-001 Rotary Drum Seed Grader is a high-capacity cylindrical seed sizing and cleaning machine designed for accurate size classification of seeds, grains, pulses, oilseeds, cereals, legumes, spices, and specialty agricultural products. Using rotating cylindrical screens, precision drum grading technology, and modular screening sections, the machine efficiently separates products according to width, thickness, and size while maintaining high throughput and exceptional grading accuracy.
Modern seed processing facilities require consistent product sizing before packaging, color sorting, gravity separation, seed treatment, export preparation, or commercial seed distribution. The CSG-001 Series provides reliable and repeatable grading performance across a wide range of crops, helping processors improve product uniformity, market value, and downstream processing efficiency.
Advanced Rotary Drum Screening Technology
The MMCTECH Rotary Drum Seed Grader operates using rotating cylindrical screens that continuously classify products as they move through the machine. Different screen perforations allow precise separation into multiple fractions while maintaining gentle product handling. Unlike flat screen grading systems, cylindrical screening provides continuous product movement, high capacity operation, and excellent separation consistency.
As the drum rotates, products are exposed to carefully selected screen openings. Smaller particles pass through earlier sections while larger products continue to subsequent grading zones. This staged classification process allows multiple grades to be produced simultaneously from a single product stream.
Designed for Seed Processing and Commercial Grading
The CSG-001 Series is widely used in commercial seed processing plants where uniform sizing directly impacts germination consistency, planting performance, packaging quality, and export standards. The machine can classify wheat, barley, oats, corn, rice, sunflower, soybean, canola, sesame, flaxseed, ryegrass, alfalfa, clover, vegetable seeds, flower seeds, pulses, lentils, beans, chickpeas, peas, and numerous specialty crops.
Accurate size grading improves the performance of downstream equipment including gravity separators, color sorters, optical sorting systems, coating machines, polishing systems, bagging equipment, and automated packaging lines.
Modular Screen Configuration
The cylindrical drum system can be equipped with interchangeable screen sections to accommodate different products and grading requirements. This flexibility allows processors to quickly adapt the machine to changing production schedules and seasonal crop variations without major modifications.
Multiple outlet configurations are available depending on the number of grading fractions required. Operators can produce premium product, oversize material, undersize material, and additional grading categories in a single continuous process.
High Capacity Industrial Operation
The MMCTECH CSG-001 is engineered for continuous industrial use and is available in multiple configurations ranging from small commercial operations to large-scale processing plants. Heavy-duty construction, balanced rotating components, industrial drive systems, and durable screening cylinders ensure long service life and dependable operation.
The machine can operate independently or as part of a complete MMCTECH processing system including pre-cleaners, fine screen cleaners, air separators, gravity separators, indent cylinder separators, color sorters, magnetic separators, conveyors, elevators, bagging systems, and automation solutions.
Applications
- Seed Processing Plants
- Grain Cleaning Facilities
- Pulse Processing Plants
- Oilseed Processing Facilities
- Vegetable Seed Production
- Grass Seed Conditioning
- Flower Seed Processing
- Commercial Grain Grading
- Food Processing Facilities
- Export Preparation Operations
Key Advantages
- Accurate size grading and classification.
- Continuous rotary drum operation.
- Multiple grading fractions.
- Interchangeable cylindrical screens.
- Gentle product handling.
- High-capacity industrial performance.
- Easy integration with complete MMCTECH processing lines.
- Suitable for seeds, grains, pulses, oilseeds, and specialty crops.
The MMCTECH CSG-001 Rotary Drum Seed Grader provides a dependable solution for processors searching for a cylindrical seed grader, rotary drum seed cleaner, cylindrical screening machine, seed sizing machine, grain grading equipment, rotary screen grader, or commercial seed classification system. Designed for North America and international markets, the CSG-001 delivers consistent grading accuracy, high productivity, and long-term operational reliability.
MMCTECH CSG-001 Rotary Drum Seed Grader Models & Specifications
The
MMCTECH CSG-001 Rotary Drum Seed Grader Series is designed for high-capacity seed sizing, grain grading, pulse classification, and cylindrical screening applications. Multiple drum configurations help processors separate wheat, soybean, paddy, round seeds, slotted seeds, legumes, cereals, oilseeds, and specialty crops according to size and thickness.
Performance Capacity
| Model |
Wheat t/h |
Round Seeds t/h |
Slotted Seeds t/h |
Soybean t/h |
Paddy t/h |
| CS 300 I |
1.8 |
0.7 |
0.9 |
1.6 |
1 |
| CS 500 I |
3.75 |
1.3 |
1.8 |
3.3 |
2 |
| CS 700 I |
7.5 |
2.5 |
3.5 |
6.6 |
4 |
| CS 300 II-A |
3.6 |
1.4 |
1.8 |
3.2 |
2 |
| CS 500 II-A |
7.5 |
2.6 |
3.6 |
6.6 |
4 |
| CS 700 II-A |
15 |
5 |
7 |
13.2 |
8 |
| CS 300 II-BP |
3.6 |
1.4 |
1.8 |
3.2 |
2 |
| CS 500 II-BP |
7.5 |
2.6 |
3.6 |
6.6 |
4 |
| CS 700 II-BP |
15 |
5 |
7 |
13.2 |
8 |
| CS 300 II-BS |
1.8 |
0.7 |
0.9 |
1.6 |
1 |
| CS 500 II-BS |
3.75 |
1.3 |
1.8 |
3.3 |
2 |
| CS 700 II-BS |
7.5 |
2.5 |
3.5 |
6.6 |
4 |
Motor, Dust Requirement, Dimensions and Weight
| Model |
Motor HP (kW) |
Dust m³/min |
Length in (mm) |
Width in (mm) |
Height in (mm) |
Weight lbs (kg) |
Sections |
| CS 300 I |
0.74 HP (0.55 kW) |
10 |
88.3 (2242) |
22.2 (565) |
36.4 (925) |
507 (230) |
2 |
| CS 500 I |
1 HP (0.75 kW) |
10 |
99.5 (2527) |
28.9 (735) |
43.3 (1100) |
694 (315) |
2 |
| CS 700 I |
2 HP (1.5 kW) |
20 |
146.3 (3715) |
40.8 (1036) |
62.0 (1575) |
1817 (824) |
2 |
| CS 300 II-A |
1 HP (0.75 kW) |
20 |
92.8 (2357) |
43.1 (1096) |
36.4 (925) |
1014 (460) |
2 / 4 |
| CS 500 II-A |
2 HP (1.5 kW) |
20 |
102.8 (2610) |
56.5 (1436) |
46.1 (1170) |
1742 (790) |
2 / 4 |
| CS 700 II-A |
4 HP (3 kW) |
40 |
148.6 (3775) |
80.2 (2036) |
62.0 (1575) |
3527 (1600) |
2 / 4 |
| CS 300 II-BP |
1 HP (0.75 kW) |
10 |
99.6 (2531) |
22.2 (565) |
77.0 (1955) |
1014 (460) |
2 |
| CS 500 II-BP |
2 HP (1.5 kW) |
10 |
109.9 (2792) |
28.9 (735) |
96.5 (2450) |
1640 (744) |
2 |
| CS 700 II-BP |
4 HP (3 kW) |
20 |
156.6 (3978) |
40.8 (1036) |
132.3 (3360) |
3419 (1551) |
2 |
| CS 300 II-BS |
1 HP (0.75 kW) |
10 |
99.6 (2531) |
22.2 (565) |
67.5 (1715) |
1036 (470) |
3 |
| CS 500 II-BS |
2 HP (1.5 kW) |
10 |
109.9 (2792) |
28.9 (735) |
87.0 (2210) |
1510 (685) |
3 |
| CS 700 II-BS |
4 HP (3 kW) |
20 |
156.6 (3978) |
40.8 (1036) |
119.5 (3035) |
3419 (1551) |
3 |
The
CSG-001 Series Rotary Drum Seed Grader is designed for commercial seed conditioning, grain grading, pulse processing, oilseed classification, and specialty crop sizing applications. Screen configurations, grading fractions, drum sections, and discharge arrangements can be customized according to project requirements.
Technical brochures, machine layout drawings, cylindrical screen configurations, grading flow diagrams, installation manuals, electrical requirements, spare parts documentation, foundation drawings, and project-specific engineering documents for the
MMCTECH CSG-001 Rotary Drum Seed Grader are available upon request.
MMCTECH provides engineering support for rotary drum graders, cylindrical screening machines, seed sizing equipment, grain grading systems, pulse grading lines, oilseed processing equipment, and complete turnkey seed processing facilities. Documentation can be prepared according to your crop type, required capacity, electrical standard, grading requirements, and facility layout.
Please contact our engineering department to request technical documentation for your project.
Email: [email protected]
Frequently Asked Questions
Frequently Asked Questions About the MMCTECH CSG-001 Rotary Drum Seed Grader
What is a Rotary Drum Seed Grader?
A Rotary Drum Seed Grader is a cylindrical screening machine that classifies seeds, grains, pulses, and agricultural products according to size using rotating perforated drums.
How does the CSG-001 work?
The machine uses rotating cylindrical screens that separate products into different size fractions as they move through the drum sections.
Which products can be graded?
The machine can process wheat, barley, corn, rice, sunflower, sesame, soybean, canola, ryegrass, clover, alfalfa, pulses, beans, peas, lentils, chickpeas, vegetable seeds, flower seeds, and many specialty crops.
What is the advantage of cylindrical grading?
Cylindrical grading provides continuous product flow, high throughput, gentle handling, and accurate size classification for commercial processing operations.
Can the machine produce multiple grades at the same time?
Yes. Multiple grading fractions can be produced simultaneously depending on the screen configuration and discharge arrangement.
Can screen sizes be changed?
Yes. The CSG-001 uses interchangeable cylindrical screens that allow processors to adapt the machine to different products and grading requirements.
Is the machine suitable for seed processing plants?
Yes. It is widely used in commercial seed conditioning facilities where uniform seed sizing is important for planting quality and market value.
Can it be used before a gravity separator?
Yes. Accurate size grading before gravity separation improves downstream separation efficiency and final product quality.
Can it be integrated with color sorters?
Yes. Uniform product sizing improves optical sorting performance and increases color sorter efficiency.
Is the machine suitable for grain grading?
Yes. The CSG-001 is commonly used for grain grading applications involving wheat, barley, oats, corn, and rice.
Can the machine handle pulses?
Yes. Lentils, chickpeas, peas, beans, and other pulses can be accurately classified using the rotary drum grading system.
Does the machine damage seeds?
No. The rotating drum design provides gentle product handling while maintaining high grading accuracy.
Can MMCTECH customize the grader?
Yes. Drum sections, screen configurations, grading fractions, discharge outlets, capacities, and automation options can be customized.
Can the machine operate continuously?
Yes. The CSG-001 is engineered for continuous industrial operation in commercial processing facilities.
Does MMCTECH provide complete processing plants?
Yes. MMCTECH supplies complete seed processing systems including pre-cleaners, fine cleaners, air separators, gravity separators, color sorters, conveyors, bagging systems, and industrial automation solutions.
How do I choose the correct Rotary Drum Seed Grader?
Selection depends on crop type, required capacity, grading fractions, screen configuration, plant layout, and final product specifications. MMCTECH engineers can recommend the most suitable configuration for your project.
