Under what circumstances is ultrasonic welding useful?

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What are the main characteristics of ultrasonic welding?

Ultrasonic welding is one of the most used resources by the current industry when it is required to join quickly and efficiently achieving an optimal and quality resultplastic or metal parts. DEIMA engineers are specialized in the construction of machinery prototypes that integrate ultrasonic welding with the aim of providing solutions to the automotive industrymainly.

Unlike other types of welding, ultrasonic welding does not require auxiliary elements such as screws or adhesives. Thanks to this feature, ultrasonic welding is a great ally in many industrial sectors. Among many other things, it is used to fuse injection-molded parts, integrate membranes, embed leather or non-woven fabrics in automobile air filters, rivet airbag materials together, and insert connectors and magnets.

Ultrasonic welding is economical and environmentally friendly

Ultrasonic welding is most economicalbecause it requires no adhesives, solvents or joining elements. This means no additional expense beyond the welding prototype itself.

The functioning of this type of welding is simple: it consists of transmitting ultrasonic mechanical vibrations to the parts to be joined. These vibrations are not random, but are at a certain frequency and amplitude, during a certain time. With this, the vibration generates heat, friction and breaks the molecules of the materials to be joined, blurring the boundaries between them. When the vibrations are no longer applied, the materials cool down again and become firmly and robustly connected to each other.

At DEIMA we say that ultrasonic welding is environmentally friendly because it generates very little waste as it does not use extra materials or products to carry out the welding process that become surplus material.

All about DEIMA ultrasonic welding prototypes

The main technical attributes of ultrasonic welding are as follows

Ultrasonic welding offers high mechanical strengthsince the parts joined by this process are highly resistant to stress and mechanical loads.
This type of ultrasonic welding is tear resistantas the resulting seam is hermetically sealed against water, pressure and vacuum.
Fastnessis one of the most important factors of this type of welding. This feature, coupled with material efficiency, makes it a competent choice for many industries. They are very efficient as they are made in a matter of seconds.
The result of ultrasonic welding is a seam that is visually very aesthetic. There are no marks, it is a very precise weld and the molded parts are not deformed.
Extreme precision and resistanceachieving perfect results, because they are made in a very narrow shape.
High cost efficiencycompared to thermal welding. This type of welding requires no heating time, no cooling phase and uses very little material.
Three-dimensional weld seams because the welding tool is manufactured specifically for the customer’s needs.

What kind of materials can be joined by ultrasonic welding?

Ultrasonic welding is used to securely and safely join sheets, metals, textiles and thermoplastics. The most commonly used plastics are polyethylene, PVC, polypropylene and polycarbonate, among others. For metals, ultrasonic welding can be used to weld metals such as titanium, copper and aluminum. Ultrasonic welding of aluminum is mainly applied in the automotive industry and that of copper in consumer electronics.

At DEIMA we can design the ultrasonic welding equipment prototype you need in your production plant.

One of the main attributes that defines us as engineeringis the ability we have to design and manufacture tailor-made solutions that completely fit the real needs of the customer. Our engineers are at your disposal to devise a prototype that precisely meets the ultrasonic welding needs you have in your production plant, as if it were a tailor-made suit.

We invite you to contact us and let us know what your needs are, without any obligation. Please fill in the form below and we will contact you as soon as possible.