Principle of ultrasonic welding:
When ultrasonic waves act on the contact surface of thermoplastic plastics, they generate tens of thousands of high-frequency vibrations per second. This high-frequency vibration reaches a certain amplitude and transmits ultrasonic energy to the welding area through the upper welded part. Due to the high sound resistance at the interface between the two welding areas, local high temperatures are generated. Due to the poor thermal conductivity of plastics, they are unable to dissipate heat in a timely manner and accumulate in the welding area, causing the contact surface of the two plastics to quickly melt. After adding a certain amount of pressure, they merge into one. After the ultrasound stops working, the pressure is kept fixed for a few seconds to cool and solidify the adhesive, forming a strong molecular chain for welding purposes. The strength after welding is close to that of the raw material.
Equipment Introduction:
The LJ-C series, as an intermediate product of Linjie ultrasonic plastic welding machine, has made multiple improvements to the structure, material, safety, color, appearance, and other aspects of the entire machine on the basis of efficiency, ease of use, stability, and economy. It has innovatively integrated multiple precise control technologies to meet the requirements of complex welding operation environments on site.
Features of the whole machine:
1. The machine structure adopts a heavy-duty machine tool locking device, which is sturdy, stable, not easy to crack, and has a tilt angle of 1/6 of other opening locking devices
2. Original NTK series transducer, imported cylinder with strong power and good stability.
3. Soft amplitude, constant amplitude, digital display of various parameters, more intuitive debugging work status, user-friendly design, convenient for users to use.
4. The PLC adopts a bilingual mode in Chinese and English, and a self-developed computer control system with strong anti-interference ability, accuracy up to 0.001 seconds, and simple adjustment.
