Mastering Servo Feeder Operation: Step-by-Step Guide for Stamping Production Lines

Operating a servo feeder in a stamping production line requires precision, attention to detail, and adherence to best practices to ensure efficient performance and minimize downtime. This guide provides a comprehensive step-by-step process to help operators achieve optimal results when working with servo feeders.

1. Start with the Leveling Machine or Material Rack

Begin by activating the leveling machine or material rack. This step ensures the material is properly prepared for feeding into the servo feeder. Slowly and carefully guide the material from the leveling machine or rack into the servo feeder to prevent misalignment or damage.

2. Adjust the Guide Wheels for Coil Width

Proper alignment of the guide wheels is essential for smooth feeding. Adjust the position of the two guide wheels on the servo feeder to match the width of the coil. The guide wheels should securely support the material without restricting its movement during the feeding process.

3. Position the Material Between the Rollers

To position the material correctly:

• Lift the relaxation handle of the servo feeder.
• Insert the coil between the upper and lower rollers.
• Lower the relaxation handle and loosen the screws on the material thickness adjustment handle.
• Adjust the handle up or down to create approximately 5mm of clearance for the relaxation bracket to swing freely.
• Tighten the screws to secure the adjustment.

Pro Tip: Ensure there is sufficient clearance for the relaxation bracket. A lack of clearance can cause the coil to slip, leading to feeding inaccuracies. Recheck and readjust whenever there is a change in coil thickness.

4. Guide the Material into the Stamping Die

Press the jog button on the servo feeder to guide the material into the stamping die. This step requires precision to ensure the material is correctly aligned for stamping operations.

5. Adjust the Material Spring Pressure

The material spring ensures the upper roller applies consistent pressure on the coil, preventing slippage during feeding.

• For thicker coils, increase the spring pressure accordingly to maintain stability.
• Monitor the spring pressure to ensure it matches the material’s specifications and stamping requirements.

6. Set Feed Length and Speed on the Control Panel

The control panel of the servo feeder allows operators to input specific parameters for feed length and speed.

• Enter the desired feed length according to production requirements.
• Adjust the feed speed to synchronize with the press machine for seamless operation.

Note: Feeding parameters may slightly differ from actual results due to rounding. For high-precision tasks, test the feed length in manual mode before initiating production.

7. Fine-Tune the Relaxation Mechanism

Proper adjustment of the relaxation mechanism ensures accurate feeding into the stamping die.

• Verify that the guide pin reliably enters the guide hole in the die.
• Adjust the relaxation screw rod to touch the bearing on the relaxation bracket, then lock the screw nut to secure the setting.
• For pneumatic relaxation feeders, adjust the relaxation angle based on the die’s specific requirements.

8. Configure the Feeder Start Signal

Synchronize the servo feeder with the press machine by setting the feeder start signal.

• Adjust the rotary cam on the press machine, setting the signal angle between 240° and 90° (or the 9 o’clock to 3 o’clock positions on the crankshaft).

9. Perform a Single Feed Test

Before beginning full-scale production, perform a single feed test in single-stroke mode.

• Observe the feed length and inspect the material’s appearance.
• Make necessary adjustments to ensure the material meets required standards for quality and alignment.

10. Initiate Continuous Production

After confirming all settings and adjustments, press the automatic button to begin continuous production. Monitor the system regularly during operation to detect and address any issues promptly.

Conclusion

Efficient operation of a servo feeder in a stamping production line involves meticulous preparation and precise adjustments. By following these steps, operators can ensure smooth material feeding, accurate stamping, and optimized production efficiency. Regular maintenance and periodic testing further enhance the longevity and reliability of the servo feeder, making it a critical asset in modern manufacturing processes.