NC Servo Feeder
A Servo Feeder is a high-precision material feeding system used in metal stamping and fabrication industries. Its primary function is to accurately feed strip or coil material into a press machine at controlled intervals, ensuring precise positioning for punching, stamping, or forming operations.
Machine Overview
Unlike traditional mechanical or pneumatic feeders, a servo feeder uses an AC Servo Motor and digital control system to regulate feed length, speed, and synchronization with the press machine. This enables extremely accurate feeding with minimal material wastage and consistent production quality.
Working Principle
- Material Grip: The strip or coil material is held firmly between two precision feed rollers.
- Servo Drive Motion: The AC servo motor rotates the rollers with exact positional control.
- Press Synchronization: The feeder communicates with the press machine. When the press opens, the feeder advances the material; when the press closes, the feed stops.
- Material Alignment: A release mechanism briefly relaxes the roller pressure to allow pilot pins in the die to align the material perfectly.
Key Components
- Servo Motor and Drive: Provides precise motion control, speed regulation, and torque.
- Feed Rollers: Hardened alloy steel rollers designed to grip the strip securely without slippage.
- PLC / Control Panel: Allows the operator to program feed length (pitch), speed, and other operating parameters.
- Release Mechanism: Pneumatic or mechanical system that releases pressure on the rollers during die alignment.
- Guide Plates: Maintain proper strip alignment during feeding operations.
Technical Specifications (Typical)
| Feature | Description |
|---|---|
| Maximum Strip Width | 100 mm – 600 mm |
| Maximum Strip Thickness | 0.2 mm – 4 mm |
| Feed Pitch Range | 0.1 mm – 9999 mm (programmable) |
| Feeding Accuracy | ±0.05 mm |
| Operating Speed | Up to 500 Strokes Per Minute (depending on model) |
| Drive System | AC Servo Motor with Digital Controller |
Advantages
- High Precision Feeding: Ensures consistent feed lengths for accurate stamping operations.
- Programmable Control: Feed length and speed can be easily adjusted via control panel or touchscreen.
- High-Speed Production: Suitable for fast stamping operations with minimal delay.
- Compact Design: Requires less space compared to traditional mechanical feeding systems.
Common Applications
- Automotive stamping components
- Electrical connectors and terminals
- Appliance parts manufacturing
- Metal brackets and sheet metal components
- High-volume stamping production lines
Safety Note
Ensure proper synchronization between the servo feeder and press machine before operation. Operators should avoid placing hands near the feed rollers while the machine is running.
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