Ultrasound Sensor for Welder

Ultrasound sensor for welders' working principle is similar to the ultrasonic cleaning transducer. It also offsets the expansion stress of piezoelectric ceramics by applying prestress to realize large-scale ultrasonic vibration. Ultrasonic energy welder transducer is a kind of high-power ultrasonic transducer with gap or pulse operation. The working power is usually calculated by instantaneous peak power. The ultrasound sensor for welder has high requirements for the instantaneous power, so it has high requirements for the materials and processes. Usually, we combine the ultrasonic booster and ultrasonic welding head tool into a high-power and large amplitude vibration system to complete the ultrasonic welding of plastic, metal and other materials.

Ultrasonic welding is to generate high-frequency friction and heat on the contact gap surface of the welded object under the action of pressure through the ultrasonic vibration generated by the transducer, so as to achieve the purpose of hot-melt welding.

Ultrasound sensor for welder function

1. Low resonance impedance, high electroacoustic conversion efficiency and large amplitude;

2. Small heating, large temperature range, stable operation;

3. Good material reliability and long sensor service life

Precautions for using ultrasonic sensor of welding machine

1. The frequency of ultrasonic transducer, ultrasound horn and ultra sonic tool head shall be matched. Generally speaking, the frequency of ultrasonic horn and ultrasound tool head shall be slightly lower than that of sensor; The connection surface shall be vertical and flat

2. The electrode of ultrasonic transducer shall be reliably welded and covered with damping glue;

3. The temperature of ultrasonic transducer shall be lower than 60 ℃, and the input power shall be lower than the rated power.

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