Adjusting the Feeding Height

To optimize the performance of the NC servo feeder after installing or replacing a stamping die, operators must carry out a series of adjustment operations. One crucial step is aligning the feeder’s feeding height with the die line height. Here’s how to do it:

  1. Loosen the Fixing Plate: Begin by loosening the outer hex M16 screws on the feeder’s fixing plate.
  2. Adjust the Horizontal Position: Next, loosen the screw cap at the bottom of the feeder and make adjustments using the bottom M16 screw. Rotating clockwise will lower the feeder, while counterclockwise rotation will raise it. Ensure the feeder’s discharge height matches the input height of the material into the die.

Adjusting the Material Pressure Spring

Proper adjustments to the tightening force of the servo feeder’s material pressure spring are necessary to prevent slipping of the material and rollers. Here’s how to adjust it effectively:

  1. Locate the Material Pressure Spring: For small models, the material pressure spring is positioned at the front, while for larger models, it is at the top.
  2. Achieve Optimal Pressure: Adjust the spring until there is no slipping between the material and the rollers. It is crucial to maintain suitable pressure during the adjustment process.
  3. Consider Material Characteristics: If the material pressure spring is set too high, the material may deviate or deform. Conversely, if the pressure is too low, the feeder’s rollers may slip, leading to inaccurate feeding. In cases where the material is narrow or soft, disconnect and secure the clamping cylinder’s air hose before adjusting the spring to the appropriate position.

Adjusting the Material Stopper Width

Proper alignment of the material stopper width with the material is essential for efficient feeding. Follow these steps to achieve the desired width:

  1. Loosen the Material Stopper Screw: Begin by loosening the screw of the material stopper and relaxing the rollers on the NC servo feeder.
  2. Position the Material: Insert the material between the rollers and place it as close to the center as possible.
  3. Adjust the Material Stopper: Move the material stopper to the sides of the material, leaving a gap of approximately 0.2mm. Tighten the screw to secure the position. When properly set, the material should be easy to pull by hand.

Adjusting the Feeding Start Signal

The feeding start signal is crucial for proper synchronization between the servo feeder and the punching press. Follow these steps to ensure optimal adjustment:

  1. Connect the Signal Lines: Connect the feeding and releasing signal lines based on the configuration provided in “Our Mechanical and Electrical Circuit Diagram.”
  2. Consider the Feeding Angle: The feeding start signal is determined by the cam on the punching press. The feeding should start when the upper and lower dies of the press completely separate and stop before they close. Typically, set the feeding signal between 270 degrees and 90 degrees.

Adjusting the Releasing Angle

The NC servo feeder’s releasing time must be coordinated with the die for smooth operation. Follow these steps for proper adjustment:

  1. Define Releasing Start: The releasing should start when the upper die’s guide pin inserts into the material.
  2. Determine Releasing Stop: The releasing should stop before the guide pin leaves the material. Refer to the attached timing diagram for the releasing device.

Precautions for Adjusting the Servo Feeder

To ensure the safety of personnel operating the servo feeder, observe the following precautions:

  1. Turn Off Power Supply: When stopping work or adjusting specific parts of the device, always turn off the power supply of the servo feeder first.
  2. Handling Pneumatic Devices: If inspecting or repairing the pneumatic device, stop the air compressor and remove residual air.
  3. Expert Handling of Electromagnets and Starters: Professional personnel should inspect or adjust the servo feeder’s electromagnets, pressure devices, starters, etc.

Adjusting Supporting Equipment

As part of the optimization process, start the production line and check other equipment such as the material rack uncoiler and material leveling machine. Ensure that the material is released correctly and that the functions of these devices match the speed of the servo feeder.

Setting Servo Feeder Parameters

Accurate parameter settings on the servo feeder are crucial for efficient operation. Here’s how to set the parameters effectively:

  1. Use the Touchscreen: Access the servo feeder’s touchscreen, which is equipped with a standard 7-inch Weinview touchscreen.
  2. Feeding Length: Set the feeding length based on the actual feeding step.
  3. Feeding Speed: Adjust the feeding speed according to the punching press speed. Ensure it’s neither too slow nor too fast.
  4. Counting Setting: Set the counting based on the quantity specified in the production order. Once the count reaches the set quantity, the feeder will automatically stop and alert.

Trial Operation

Before full-scale production, it’s crucial to conduct a trial operation to ensure everything is functioning correctly. Follow these steps:

  1. Single Stroke Mode: Set the punching press to single stroke mode.
  2. Check Feeding Step: Confirm that the servo feeder’s feeding step is correct using the provided control handle.
  3. Verify Timings: Ensure the feeding and releasing timings are normal.
  4. Activate Automated Feeding: Finally, activate the feeder’s automatic function to achieve automated feeding production.

By following these steps and making precise adjustments, operators can optimize the performance of the NC servo feeder for efficient and accurate stamping production.

nc servo feeder
nc servo feeder