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100W/28khz/40khz ultrasonic spot welding machine for plastic

发布时间2020-03-25 浏览次数0
   
Ultrasonic spot welding machine includes: ultrasonic spot welding machine, ultrasonic plastic spot welding machine, riveting spot welding machine, ultrasonic metal welding machine, ultrasonic metal spot welding machine, ultrasonic welding machine, aluminum nickel welding machine, polymer battery positive pole welding machine, lithium battery negative pole welding machine, aluminum to nickel spot welding machine, amorphous silicon spot welding machine, etc.
 
 

The welding principle of ultrasonic spot welding machine is to convert 50 / 60 Hz current into 15, 20, 30 or 40 kHz electric energy through ultrasonic generator. The converted high-frequency electric energy is converted into mechanical motion of the same frequency again through the transducer, and then the mechanical motion is transmitted to the welding head through a set of amplitude modulator device which can change the amplitude. The welding head transmits the received vibration energy to the joint of the workpiece to be welded. In this area, the vibration energy is converted into heat energy by friction, which melts the plastic. The short-term pressure maintained on the workpiece after the vibration stops makes the two weldments solidify in the form of molecular link. Generally, the welding time is less than 1 second, and the welding strength obtained is comparable to that of the body. Ultrasonic can be used not only to weld hard thermoplastic, but also to process fabrics and films. The main components of a set of ultrasonic welding system include ultrasonic generator, transducer / amplitude modulator / welding head triple group, mold and frame.


 

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