Linked with success.

Since 1974, SONOTRONIC has been successfully developing and building systems and components for connecting plastics, based on ultrasonic, infrared and hot plate technology. In addition to this, we use the benefits of these forward-looking technologies in order to find optimum solutions to other applications.

Our products are now in use in many different ways in various industries:

With our efficient team of qualified employees, we reliably and consistently put new ideas into practice. Through our branch offices and partners, we are represented internationally and are in a position to provide a worldwide service.



Our ultrasonic machines and ultrasonic components are used in the production of face masks, FFP masks and hygiene and protective equipment, thus making an active contribution against the spread of Covid-19.
In this context, SONOTRONIC Nagel GmbH has been confirmed as a critical infrastructure operator by the Federal Office for Civil Protection and Disaster Assistance. This means that the work flow in the company continues as usual, in compliance with hygiene regulations and other necessary measures.

The distribution network grows - SONOTRONIC goes to turkey

With its new sales partner TUSONICS Türkiye Ultrasonics, the ultrasonic special machine builder SONOTRONIC is establishing a market and customer-oriented service and sales organization at the automotive location in Bursa, Turkey.

"German engineering" for the production of mouth and nose protection masks

For 20 years, PFAFF Industriesysteme und Maschinen GmbH from Kaiserslautern has relied on the ultrasonic welding components from SONOTRONIC Nagel GmbH, Karlsbad, and is now using them in the new fully automatic, CE-compliant mask system. The result: a solid and mature production line (made in Germany) that guarantees process reliability. And this at an output of up to 4,000 mouth and nose protection masks per hour.

SONOTRONIC opens subsidiary in Hong Kong

SONOTRONIC Nagel GmbH has founded the subsidiary SONOTRONIC HK Ltd. together with its long-standing partner company Sanden Electronic Equipment Ltd. With this strategic step, SONOTRONIC has direct access to the Sanden production site in China.

"Safety first": SONOTRONIC cancels active participation at the Fakuma 2020

In the run-up to the international trade fair for plastics processing Fakuma, which is scheduled to take place in Friedrichshafen from the 13th through the 17th of October, more and more exhibitors are deciding against "active participation" at the trade fair. SONOTRONIC Nagel GmbH will also not participate as usual.

iSONIC MASK WELDER: Manual assembly stations for the production of mouth and nose masks

The standard machine duo iSONIC MASK WELDER was specially developed for the production of mouth and nose masks using ultrasound. This machine concept is well-priced, quickly available and ready for immediate use.

A strong bond in the crisis

In cooperation with Zettl Automotive GmbH, SONOTRONIC Nagel GmbH has developed a production line for the production of mouth and nose protection masks based on ultrasound. Thanks to the innovative joining technology, protective masks are produced at several manual workstations using the ECO iSONIC ultrasonic welding machines in minute cycles.

ECOFLEX: compact format, high quality and attractive prices

For ultrasonic welding of small and medium-sized parts, SONOTRONIC offers customizable welding booths – the ECOFLEX: possible uses in all industries, suitable for flat surface, piercing and rivet joints.

NC iSONIC: Ultrasonic Welding with servo drive

NC iSONIC is an ultrasonic series welding machine with servo drive and open control concept. During the development phase, the modular design of the machine was of special importance to ensure that it can be flexibly adapted to different applications and part dimensions.

DNP iSONIC: handheld welding device

Our new ergonomic handheld welding device DNP iSONIC is featured with a quick-change function for the oscillating unit and sonotrode cooling.

USG iSONIC: digital ultrasonic generators

The ultrasonic generators of the latest generation USG iSONIC offer a fast and digital control of the welding process. Within the working frequencies 20, 30 and 35 kHz they are suitable for all plastics processing industries.


ECO iSONIC: intelligent standard ultrasonic machines

The ECO iSONIC standard machine gives ultrasonic welding a new dimension: it combines high-performance ultrasonic components with sturdy construction and up-to-date control solutions.

The fascination of ultrasound: SONOTRONIC in cinema format

The way to the best result begins with the best connection. But… how do you realize it? Immerse yourself in the world of SONOTRONIC and let yourself be inspired.

Packaging Technology: Ultrasonic solutions for tubular bags & Co.

Our ultrasonic sealing systems e.g. for vertical (VFFS) and horizontal (HFFS) tubular bags, stand-up pouches or blister packs provide absolutely tight seal seams and are extremely material and energy efficient.

Automotive: Tailor-made special machines from the world market leader

We are the world leader in ultrasonic special machine construction for the automotive industry. We meet customer wishes with innovative machine concepts, which we implement with the utmost care and precision.

High-tech from the Technology Region Karlsruhe

At the company's headquarters in Karlsbad, Germany, we develop and produce our high-tech machines and components. The site has been expanded several times and now includes over 12,500 m² of manufacturing and office space.

GREEN SONICS - Green Ultrasonic Technology by SONOTRONIC.

Ultrasonics is a particularly environment-friendly and energy-efficient technology. That is exactly what the brand GREEN SONICS stands for, combining the advantages and aspects of sustainability.

Fachpack 2021
Nuremberg, Germany
28 - 30/09/2021
Fakuma 2021
Friedrichshafen, Germany
12 - 16/10/2021
more events…
Contact Person Contact
Sonja Müller

receive you in our house or connects you to your special contact person.
+49 (7248) 9166-0