A Grading and Cleaning Machine is an essential piece of equipment used in agriculture and food processing industries to clean, sort, and grade various products like grains, pulses, seeds, spices, fruits, and vegetables. These machines enhance product quality, improve market value, and reduce manual labor.
Key Functions of Grading and Cleaning Machines:
- Cleaning:
- Removes impurities such as dust, stones, husks, and broken particles.
- Uses air blowers, sieves, and vibration systems for effective cleaning.
- Grading:
- Sorts items based on size, shape, or weight.
- Ensures uniformity, improving product presentation and quality.
- Separation:
- Efficiently separates good-quality grains or seeds from damaged or discoloured ones.
Types of Grading and Cleaning Machines:
- Vibratory Graders – Ideal for size-based grading.
- Rotary Graders – Useful for spherical products like peas or nuts.
- Screen Graders – Commonly used for grains with multiple sieve layers.
- Air Classifiers – Removes lightweight impurities like husk or dust using air currents.
Benefits:
✅ Increases productivity by automating cleaning and sorting.
✅ Reduces wastage and improves product quality.
✅ Saves time and labour costs.
✅ Ensures better market acceptance due to improved consistency.
Common Uses:
- Grains like wheat, rice, and maize.
- Pulses such as chickpeas and lentils.
- Spices, fruits, and vegetables.
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