The welding principle of ultrasonic plastic welder is to convert 50/60 Hz current into 15, 20, 30 or 40 kHz electric energy through an ultrasonic generator. The converted high-frequency electric energy is again converted into mechanical motion of the same frequency through the transducer, and then the mechanical motion is transmitted to the welding head through a set of amplitude modulator devices that can change the amplitude. The welding head transfers 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 to melt the plastic. The short pressure maintained on the workpiece after the vibration stops causes the two weldments to solidify into one body in a molecular link. Generally, the welding time is less than 1 second, and the obtained welding strength is comparable to that of the main body. Ultrasound can be used not only to weld hard thermoplastics, but also to process fabrics and films. The main components of an ultrasonic welding system include ultrasonic generator, transducer/amplitude modulator(booster)/welding head triple group, mold and frame.
Ultrasonic Metal Welder
Ultrasonic metal welding machine uses high-frequency friction to instantaneously melt the contact surfaces of two metals to bond the two metals together. Compared with traditional process equipment, its advantages are rapid, energy-saving, high fusion strength, good electrical conductivity, no sparks, and close to cold state processing.
Application
Ultrasonic welding machine is now professionally used for welding plastics, non-woven fabrics, leather products, chemical fiber cotton, etc. It has completely replaced the traditional organic melting point agent pasting process. It has the advantages of low energy consumption, high efficiency, no deformation, no pollution, and firm welding and easy to operate.
- Plastic toys, water guns, aquarium game consoles, children’s dolls, plastic gifts, etc.;
- Electronic products: recording, tape cassettes and core wheels, disk shells, mobile phone battery panels and rectifier transformers, switch sockets, remote controls, electronic mosquito swatters, imitation bottle caps, etc.
- Household appliances: electronic clocks, electric blow dryers, steam iron water tanks, electric kettles, computers, etc.
- Stationery and daily necessities: sealed containers such as stationery boxes, aquarium rulers, folder middle seams and shells, pen holders, cosmetic box shells, toothpaste tube seals, cosmetic mirrors, vacuum flasks, lighters, seasoning bottles, etc.
- Automobiles, motorcycles: batteries, front corner lights, rear lights, meters, reflectors, etc.
- Applications in the sports industry: table tennis, table tennis rackets, badminton rackets, tennis rackets, golf clubs, pool tables, treadmill drum skipping rope grip steppers, treadmill accessories, jumping boxes, gymnastics mats, boxing gloves, boxing sandbags, Sanda protective gear, path sign, X display rack and other sports equipment, used in ultrasonic plastic welding machine for plastic spot welding, etc.