design and operation of vibrating feeders

Design and Operation of Vibrating Feeders in Aggregate Production

Vibrating feeders are critical components in crushing and sand-making production lines, ensuring uniform material flow to crushers, screens, and conveyors. Their robust design handles abrasive materials like granite, basalt, and limestone while minimizing segregation.

Key Features of Modern Vibrating Feeders

– Heavy-duty steel construction with reinforced pans
– Adjustable vibration intensity (typically 700-1000 RPM)
– Wear-resistant liners (AR400 or equivalent)
– Capacity range: 50–1,500 TPH
– Motor power: 1.5–30 kW depending on model

Technical Parameters Table

Model Max Feed Size (mm) Capacity (TPH) Amplitude (mm) Motor Power (kW)
VF800 500 200-350 5-10 7.5
VF1200 650 400-600 6-12 15
VF1500 800 800-1200 8-15 22

Synchronization with Crushing Equipment

Proper feeder-crusher matching prevents choke feeding or underutilization. For jaw crushers, feeders should maintain 70-80% of crusher capacity. Cone crusher lines require consistent feed without fluctuation exceeding ±10%.

Troubleshooting FAQ

Q: Excessive material buildup in feeder?
A: Check for improper slope angle (should be ≥10°) or insufficient vibration amplitude.

Q: Premature liner wear?
A: Verify material impact zone protection; consider installing replaceable wear plates.

Q: Irregular feed pattern?
A: Inspect eccentric weights adjustment and motor synchronization.

Aggregate Plant Case Study: Malaysia Granite Project

A 500TPH granite processing plant utilized VF1200 feeders paired with JC423 jaw

Knowledge