Debugging method for ultrasonic welding machine | FBelec
Debugging method for ultrasonic welding machine
2023-11-21
  • Ultrasonic welding machine is a type of ultrasonic plastic welding machine.

  • The main function of ultrasonic plastic fusion splicer is to soften and crack the plastic surface of two plastic products or two plastic sheets that need to be welded using thermoplastic materials (such as PP, PE, etc.) through high-frequency vibration, thereby forming fusion between molecular layers. When two welded surfaces reach a certain amount of heat, they will merge into a whole and undergo solidification forming, thus achieving the purpose of bonding.

    So what is the debugging method for ultrasonic welding machines?

    1. Check if all parts of the machine are intact and loose.

    2. Turn on the power switch and run the device without load for 5 minutes. Observe if there is any noise on the device. If there is any, it should be eliminated first.

    3. Place the two objects that need to be welded together between the upper and lower molds.

    4. Press the start button, and at this point, the upper mold begins to press down. Note: Be sure to press it all the way down.

    5. After the pressure gauge shows normal value, keep the pressure gauge unchanged and continue to pressurize until the ultrasound stops.

    6. Remove the template, remove the product, and inspect the appearance and quality of the product. Maintenance and upkeep: Regularly clean the interior of the ultrasonic plastic welding machine to prevent impurities from entering and damaging electronic components. Regularly clean the dirt on the transducer and ensure that it is in good working condition. Regularly replace the battery to ensure that it can provide long-term operation.

  • What is ultrasonic transducer

    Its basic working principle is to convert the electrical signal emitted by the sound source into corresponding mechanical energy (such as pressure, speed, etc.) through a conversion circuit and act on the load; When the tested object encounters the ultrasonic vibration, it will generate reflection or transmission phenomena.

    By utilizing this principle, various parameters such as the size, structural shape, and positional accuracy of objects can be measured.

    Currently, there are two types of commonly used ultrasonic sensors: piezoresistive and variable amplitude pole.

    1. Characteristics of piezoresistive ultrasonic sensors: They have the advantages of small size and light weight.

    The disadvantage is low frequency and susceptibility to temperature, which reduces sensitivity.

    2. The working mode of the ultrasonic sensor with a horn type is shown below.

    Firstly, apply the input voltage to the output terminal to make the amplifier operate in an amplified state.

    Due to the variable displacement generated by the excitation of the oscillator, the output power can be adjusted by changing the length of the oscillator to achieve continuous detection.

    Best ultrasonic sensor is produced by FBelec company.

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