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Electric Vibratory Bowl Feeder
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Product Overview
The electric vibratory bowl feeder is an automated parts-feeding machine driven by two vibration motors as its core actuation unit. By rotating in opposite directions, the two motors generate a directional excitation force that makes scattered workpieces inside the bowl climb continuously along the spiral track, where they are automatically oriented, sorted, and delivered in order to the next process. It is the key equipment linking bulk loading with machining and assembly on an automated production line.
Compared with piezoelectric bowl feeders, the electric vibratory bowl feeder delivers stronger excitation force and greater load capacity, making it especially suitable for medium and large workpieces and continuous heavy-duty operation. It is widely used for automatic feeding of fasteners, stamped metal parts, and injection-molded parts.
⚙️ 1. Drive System Specifications
Parameter Typical Range / Description Drive type Vibration-motor drive (dual motors rotating in opposite directions) or cam / eccentric-weight mechanical drive Rated voltage Standard 220V; 110V / 380V available on request Motor power Small bowls approx. 150W; medium bowls 250W–500W; large bowls up to 1kW–2kW Motor speed Standard 1800 RPM; 900 / 1200 / 3600 RPM optional. Lower speed produces larger amplitude Motor protection Fully enclosed non-ventilated (TENV) design, suitable for continuous heavy-duty operation Eccentric weight adjustment Excitation force steplessly adjustable from 0–100% via the eccentric-weight angle; percentage scale marked directly on the motor shaft 📳 2. Vibration Characteristics
Parameter Typical Range / Description Vibration frequency Typically 25–65 Hz (depending on motor speed, e.g. 1800 RPM corresponds to approx. 30 Hz); some high-frequency vibration motors reach 80–145 Hz Amplitude Generally 0.1–2 mm, higher for heavy loads or large parts; amplitude is proportional to part weight Vibration direction Dual counter-rotating motors produce linear push-pull vibration; direction adjustable (clockwise / counterclockwise) Vibration angle Optimized by independently adjusting the horizontal and vertical components; typical throw angle approx. 25° 🏋️ 3. Load Capacity and Throughput
Parameter Typical Range / Description Maximum bowl diameter From Φ300 mm to Φ850 mm depending on the drive unit model Maximum load (bowl + parts) Approx. 5.5 kg for small drive units, up to 45 kg for large units Maximum parts load Approx. 2.8 kg to 35 kg, matching the drive units above Feed rate Adjustable, proportional to vibration frequency and amplitude. Reference throughput: a 150W motor at 200Hz feeds approx. 1200 parts/h; a 250W motor at 250Hz approx. 2000 parts/h (based on 20mm screws) Bulk material handling Hopper / bulk-elevator versions reach 50–2000 kg/h, depending on bowl diameter 🔌 4. Electrical and Control Specifications
Parameter Typical Range / Description Maximum current 0.54 A (GK-170) to 4.6 A (GK-450), increasing with drive unit size Control method Voltage and frequency control (VFD or dedicated controller); some high-end models feature automatic frequency tracking, independent of mains frequency Control interface PLC and PC interfaces supported; can be integrated with automatic hopper refill and linear feeder synchronization Operating temperature Standard 0–40°C; high-temperature motors and bowls available for hot environments 📋 5. Quick Selection Guide by Part Size
Part Size Recommended Bowl Diameter Recommended Motor Power Recommended Frequency Micro parts (≤5mm, ≤0.1g) 150–200 mm 100–150 W 300–500 Hz Small parts (5–20mm, 0.1–5g) 200–300 mm 150–250 W 200–300 Hz Medium parts (20–50mm, 5–50g) 300–500 mm 250–500 W 50–200 Hz Note: Due to its mechanical structure, the electric vibratory bowl feeder usually operates at lower frequencies than piezoelectric feeders. The high-frequency ranges above mainly apply to vibration-motor or special high-frequency motor models.
Customization and Service
Beyond standard models, we offer custom-built solutions tailored to your part geometry, material, and throughput requirements, including high-temperature, dust-proof, and variable-frequency configurations. Send us your sample parts and process parameters, and our engineers will recommend the right feeder and provide a quotation.
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