A vibro feeder (or vibrating feeder) is a device used in material handling systems to transport bulk materials, such as aggregates, in a controlled and consistent manner. It uses vibration to move materials from a hopper or bin to a conveyor, crusher, screen, or other processing equipment.
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Key Features of Vibro Feeders for Aggregate:
1. Vibration Mechanism:
– Uses an electromagnetic or motor-driven exciter to generate vibrations.
– Ensures smooth and uniform material flow.
2. Material Flow Control:
– Adjustable vibration amplitude and frequency regulate the feed rate.
– Prevents clogging and ensures even distribution.
3. Durability & Wear Resistance:
– Made of robust materials (e.g., steel with liners) to withstand abrasive aggregates.
– Suitable for harsh environments like quarries and construction sites.
4. Applications in Aggregate Handling:
– Feeding crushers (jaw, cone, impact).
– Supplying screens for size classification.
– Loading conveyors for bulk material transport.
– Batching plants for concrete production.
5. Benefits:
– Reduces manual handling and improves efficiency.
– Minimizes segregation of different-sized aggregates.
– Low maintenance compared to mechanical feeders.
Types of Vibro Feeders Used in Aggregate Industries:
– Electromagnetic Vibratory Feeders: Precise control, ideal for fine-tuning feed rates.
– Motorized Vibratory Feeders (Unbalanced Motor Type): Higher capacity, suited for heavy-duty applications.
– Grizzly Feeders: Heavy-duty vibro feeders with grizzly bars for scalping oversized rocks before crushing.
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Considerations When Selecting a Vibro Feeder for Aggregates:
– Material Size & Bulk Density: Affects feeder size and power requirements.
– Moisture Content: Sticky or wet aggregates may require special liners or vibratory settings.
– Feed Rate Requirements: Must match downstream processing capacity.
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