Kinder Joy Cover Ultrasonic Plastic Welding Machine

Kinder Joy Cover Ultrasonic Plastic Welding Machine

Principle of desktop Kinder Joy Cover ultrasonic plastic welding machine: when ultrasonic wave acts on the contact surface of thermoplastic plastic, it will produce tens of thousands of high-frequency vibration per second. This high-frequency vibration with a certain amplitude will transmit ultrasonic energy to the welding area through the upper weldment. Due to the large acoustic resistance at the interface between the two welding areas, local high temperature will be generated. In addition, due to the poor thermal conductivity of the plastic, it can not be distributed in time and gathered in the welding area, resulting in the rapid melting of the contact surface of the two plastics. After a certain pressure is added, it is integrated into one. When the ultrasonic stops, let the pressure last for a few seconds to solidify and form, so as to form a solid molecular chain to achieve the purpose of welding, and the welding strength can be close to the strength of raw materials.

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