hakkında şirket haberleri What’s the conditions and requirements of ultrasonic welding?

Ultrasonic welding conditions:
As a condition of ultrasonic welding, the most important thing is the welding energy (on vibration) welding time and pressure, of course, other conditions also is very important.
Welding temperature
Viscous flow temperature of ultrasonic welding materials.Material will not melt.Related to the amplitude, the higher the amplitude, the higher temperature rise.
Add pressure
Using the work of cylindrical stare to pressure FRP products.Generally 0.1 0.3 MPa compressed air pressure (pressure gauge), sometimes higher.But if using high pressure, will hinder the vibration of the cylinder.
Welding time
Owing to the different materials of all kinds of with the form of products, some of the moulded part welding time's enough just 0.2 seconds.Time is too long can cause excessive welding and produce a large number of flash and bubble, which can lead to bad airtight, must pay attention to.
Cooling (keep) time
For crystalline plastics, if the temperature below the melting point, the connection part can be solidified, often pressure are kept between 0.1 to 0.2 seconds.

Ultrasonic welding machine requirements:
Welding in the horn from bottom to top in three parts: Horn, booster and transducer (ultrasonic transducer).According to certain proportion of amplification.If the amplitude of transducer is 6 mm, the booster can be amplified three times to 18 mm, to the amplitude of the horn can be increased to 36 mm.Amplitude increase, of course, the life of the horn is reduced.By different welding materials, the amplitude is not the same.
horn materials are generally three types:
Titanium: expensive, best performance, good toughness and processing difficulties.Small friction loss and the amplitude can reach 60 mm;
Aluminum alloy: cheap, quick wear, amplitude cannot exceed 30 mm, easy processing;
Steel: very hard, most unfit for horn, amplitude of no more than 25 mm, suitable for cutting, need to increase the blowpipe, easy to cooling.
Therefore, ultrasonic welding scope of application: car door plank of door plank, automobile sound insulation blanket, non-woven inner decoration spot welding, car dashboard, car dashboard, automotive plastic parts riveting, bumper, auto tire cover, car roof, car trunk non-woven fabric, car seat cushion non-woven, automobile engine cover, car tail lights, automotive lamps, auto bearing cage, glove box, auto filter, automotive plastic valves, air commutator, auto gas detector, etc.In automotive plastic accessories welding use non-standard ultrasonic welding equipment, more long more location design, with a photo program control with LCD screen operation, big car complex work piece welding, welding of different direction, need to welding multiple locations at the same time.