News + Events | Herrmann Ultraschall

News

How ultrasonic bonding makes hygiene products more eco-friendly

Legal requirements and changing consumer behavior make sustainable production methods in diaper manufacturing a necessity. At the same time, companies are under pressure to optimize their costs and remain competitive. Ultrasonic welding offers an innovative solution that combines ecological and economic advantages.

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How ultrasonics optimizes the manufacturing of hygiene products

Diapers are an indispensable companion for babies or adults with incontinence problems. In addition to key aspects such as absorbency and leak protection, wear comfort is becoming increasingly important when selecting the right diaper. Consumers are paying more and more attention to products that feel soft on the skin and are comfortable to wear. The softness of nonwoven materials plays a decisive role here. But how can the softness of the nonwoven material be preserved during the manufacturing of diapers and other hygiene products? Choosing the right bonding process is a key factor.

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Clean air with clean connections

Ultrasonic welding has established itself as an efficient and precise joining technology in the manufacturing of plastic heat exchangers. It enables the tight, stable and material-friendly connection of components without the use of additional joining agents such as adhesives or screws. This process plays a particularly important role in applications involving aggressive mediums or high demands on tightness.

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Expo Pack Mexico 2026

      02. June - 04. June 2026
    
Mexico City, Santa Fe, MX

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INDEX 2026

      19. May - 22. May 2026
    
Geneva, Switzerland

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Interpack 2026

      07. May - 13. May 2026
    
Duesseldorf, Germany

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MD&M West 2026

      03. February - 05. February 2026
    
Anaheim, CA, USA, Booth: #2009

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Productronica 2025

      18. November - 21. November 2025
    
Munich, Germany

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Prod&Pack 2025

      18. November - 20. November 2025
    
Lyon, France, Hall: 7, Booth: 7-Q26

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Petfair Southeast Asia 2025

      29. October - 31. October 2025
    
Bangkok, Thailand

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Automotive World 2025

      29. October - 31. October 2025
    
Nagoya, Japan

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K-Messe 2025

      08. October - 15. October 2025
    
Duesseldorf, Germany, Hall: 11, Booth: 11F28

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Japan Pack 2025

      07. October - 10. October 2025
    
Tokyo, Japan

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Battery Show North America 2025

      06. October - 09. October 2025
    
Detroit, MI, USA, Booth: #4415

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Medtech China 2025

      24. September - 26. September 2025
    
Shanghai, China, Booth: 1F505

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Fachpack 2025

      23. September - 25. September 2025
    
Nuremberg, Germany

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Petfair Asia 2025

      20. August - 24. August 2025
    
Shanghai, China

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Webinar

Ultrasonics connects. The perfect joining technology.

Discover the possibilities of ultrasonic welding technology. Take advantage of the benefits and optimize your production process. What is possible with this sustainable technology? Take part in our free webinar and learn about the right joining technology for your application.

      10. July 2025
    
10:30 - 12:00 pm (CET)
    
      
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Propak China 2025

      24. June - 26. June 2025
    
Shanghai, China, Booth: 51C62

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SAMPE 2025

      17. June - 20. June 2025
    
Beijing, China

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ProPak Asia 2025

      11. June - 14. June 2025
    
Bangkok, Thailand, Booth: AY59

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FOOMA Japan 2025

      10. June - 13. June 2025
    
Tokyo, Japan

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Battery Show Europe 2025

      03. June - 05. June 2025
    
Stuttgart, Germany, Hall: 10, Booth: 10-G16

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Ipack IMA 2025

      27. May - 30. May 2025
    
Milan, Italy

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Adhesion & Bonding Expo 2025

      14. May - 16. May 2025
    
Osaka, Japan

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Bordnetze im Automobil 2025

      06. May - 07. May 2025
    
Ludwigsburg, Germany

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IDEA 2025

      29. April - 01. May 2025
    
Miami Beach, FL, USA, Booth: #4324

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Chinaplas 2025

      15. April - 18. April 2025
    
Shenzhen, China

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CIDPEX 2025

      14. April - 18. April 2025
    
Wuhan, China, Booth: A2D59

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News

Local support for a growing market

Herrmann is thrilled to announce the grand opening of its newest Tech Center and laboratory in Monterrey, Mexico, on April 24, 2025. With over 60 years of pioneering German-designed ultrasonic technologies, this milestone marks a significant step in bringing the latest innovations closer to manufacturers and industry leaders in Mexico and beyond.

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EU regulations as catalyst for transformation

During a visit to machine manufacturer Herrmann Ultraschall on 27 November, Dr Nicole Hoffmeister-Kraut, Minister for Economic Affairs in the German state of Baden-Württemberg, was able to see firsthand how a local hidden champion is implementing the EU's sustainability guidelines with the help of ultrasonic welding technology.

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Automated connection of medical components for maximum output

Perfect for automated assembly: Thanks to minimized welding times and real-time process control, ultrasonics is ideal for manufacturing medical components in high volumes. Find out the advantages of the technology for your application in this article.

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Joining Plastics of Medical Devices Without Adhesive

Particularly for medical products with direct skin contact, high wear comfort and skin compatibility are crucial for the quality of the product and customer satisfaction. Manufacturers should therefore avoid chemicals such as IBOA and connect plastics with processes that do not require adhesives, solvents or environmentally harmful substances - ultrasonics make this possible.

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When sustainability destroys the process

The switch from PVC to thermoplastic elastomers (TPE) in medical technology promotes health and environmental protection. TPE is phthalate-free, biocompatible and easier to recycle, which reduces the risks of allergies and environmental pollution. Despite challenges in joining TPE, ultrasonic welding offers an effective solution for stable and durable joints. This step improves product quality and minimizes health risks in the medical industry.

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Increasing the sustainability of EV with ultrasonics

Sustainability becomes particularly interesting for companies when combined with cost savings. However, is that possible in the production of electric vehicles? As a particularly efficient, safe, and material-friendly process, ultrasonic welding offers some exciting options.

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Utilizing the digital potential of battery manufacturing

Up to 150 data points per welding process: Ultrasonic welding offers exciting opportunities for the digitalization of battery production - both in manual workstations and automated systems. If the data is used correctly, both safety and efficiency can be permanently increased, and new standards can be set in quality control.

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In the fast lane with ultrasonics

Minimal scrap rates with twice as fast cycle times: New developments in ultrasonic welding enable an optimization of production and can permanently reduce manufacturing costs for batteries and wire harnesses. A big help comes from the experience gained in the welding of plastics.

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Unlocking the potential of Digitalization with ultrasonic welding

The most valuable resources in manufacturing are no longer materials or machines. It is the data. Whether in automated systems or at manual workstations: Every welding process of battery cells or wire terminal applications offers the opportunity to collect valuable digital information.

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Joining medical applications quickly and sustainably with ultrasonics

Connecting plastics without adhesives: Using ultrasonics as a joining technology, companies can produce their applications skin-friendly and eco-friendly. If certain specifications for the components are met, the process can also be used for sensitive applications with complex geometries.

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Using data to achieve the perfect packaging process

Data is also the new oil in the packaging industry: it helps to make the process even safer, even more efficient and even faster. We show how companies can digitize their packaging process with ultrasonics to gain a competitive advantage.

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How to reduce rejects in the packaging process

Despite increasing cost pressure, many companies have accepted the high reject rates in the packaging of food and animal feed. Yet the most common reason for rejects in packaging machines can be easily avoided - with ultrasonic sealing technology.

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Enhance the reliability of sealing sustainable materials

The latest generation of Herrmann Ultraschall's longitudinal seal module (LSM) ensures reliable longitudinal seals for applications like pillow bags, even with the narrowest of process windows. Regardless of variations in the speed of flow wrappers or other packaging machines, the LSM ensures seals with a visually flawless appearance.

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Don't be afraid of the PPWR

Sustainable packaging materials are crucial to meeting the demands of the PPWR, but processing them using conventional methods is anything but easy. With ultrasonics, it is possible to seal the challenging materials safely - thanks to cold welding tools and precise controller.

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Ultrasonic TECH DAYS at Herrmann

About 150 selected customers from five continents attended the Ultrasonic TECH DAYS on June 12 and 13 at Herrmann Ultraschall. Under the motto "Innovation for tomorrow", participants experienced new developments in ultrasonic welding and collaborated with experts to discuss future challenges and potential solutions.

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Support for supporters

Herrmann Ultraschall is supporting a social welfare center with 10,000 euros. The money will urgently purchase essential all-weather jackets for approximately 100 caregivers, an expense that could not be covered by the original budget.

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More power for strong cable connections

Faster wire-terminal connections with large cross-sections: with the Ultrasonic Power Stack 12.000, Herrmann Ultraschall has developed an expansion for the ULTRASAFE W that increases the machine's power while simultaneously reducing cycle times. This increases the manufacturing’s efficiency and makes the user-friendly welding machine even more versatile.

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Clean oceans as a matter of heart

Donating an additional 10,000 euros for the protection of oceans: After 2022, Herrmann Ultraschall is once again supporting the non-profit organization The Ocean Cleanup, which frees the oceans from plastic waste.

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New process: Sealing uncoated paper with ultrasonics

Ultrasonic sealing of uncoated paper is a joining process that is as innovative as it is environmentally friendly, enabling packaging companies to save significant amounts of energy and resources. Patent holder Syntegon Technology GmbH recently handed over exclusive rights to the process to Herrmann Ultraschall. The company wants to move the process to market maturity and establish it in the packaging industry.

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Ultrasonic systems for high-speed manufacturing

With the SLIMLINE systems, Herrmann Ultraschall offers the ideal welding solution for the automation of production processes. In addition to increased cycle rates, companies benefit from consulting with Herrmann Engineering, which enables rapid integration into production lines.

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The 10 biggest advantages of ultrasonic welding

Ultrasonic welding is one of the easiest ways to increase efficiency and sustainability in your manufacturing. Thermoplastic materials as well as non-ferrous metals can be joined together safely, quickly and permanently with the help of ultrasonic vibrations. In this article, you will learn about the advantages of welding with ultrasonics and discover the possibilities of this modern joining technology.

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Ultrasonics brings new momentum to the circular economy

In a new feasibility study, Herrmann Ultraschall investigated the welding of a recycled plastic. The result: with the right parameters, comparable welding results are as achievable as with conventional plastics.

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The vision of a perfect battery production

With the common goal of safe and sustainable battery production, Herrmann is optimizing the ultrasonic welding process of battery cells together with CUSTOMCELLS. Initial results of the partnership show an opportunity for significant savings in terms of energy and rejects.

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“Turning even more customers into fans”

Herrmann Ultraschall is expanding its management team with André Deponte as the new Chief Sales Officer. With digital processes and an even closer relationship between the global sales teams, he wants to create a consistent and exciting customer experience worldwide.

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A machine put to the test

Having the chance to be involved in the development of an ultrasonic welding machine: for Norbert Ennemoser from Ultra Reflex GmbH, Germany, this wish has come true. He was able to put the new HiQ machine generation from Herrmann Ultraschall through its paces for eight weeks as part of a field test. A collaboration that generated a lot of excitement on both sides.

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Combining sustainability and cost reduction

To make the costly process of elastic fixation in nonwovens more efficient, Herrmann Ultraschall has developed an innovative process: the anchoring of elastic threads with ultrasonics. Producers benefit from a flexible, stable and sustainable process that improves the customer experience while reducing production costs.

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Sustainable and efficient sealing with the new TSM

Save energy and material permanently: with the TSM Top Seal Module Herrmann Ultraschall offers a simple solution for sealing packaging materials more efficiently and reliably. Thanks to the new solution for sealing the hermetic and cosmetic seal at the same time, companies can also reduce the size of their packaging machines.

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A clean sea under the Christmas tree

As part of the "Herrmann Cares," the 2022 Christmas donation of 10,000 euros will go to the non-profit organization The Ocean Cleanup to remove plastic waste from the oceans.

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As Sherpa on the Herrmann Culture Journey

For years, Michael Ross has accompanied the company-wide Culture Journey at Herrmann Ultraschall as a so-called Sherpa. In this interview, he explains what this means to him personally and what tasks and challenges this special work carries with it.

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Soft fixture for a hard plastic

Flawless appearance was the major challenge in welding an oval, three-dimensional half case for a consumer product. A joint development process between BSH and Herrmann Ultraschall succeeded in meeting these requirements while also providing strong joints.

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Movable machine front increases output

With the newest generation of the sound-insulated welding machines ULTRASAFE, Herrmann Ultraschalltechnik GmbH & Co. KG offers an ergonomic manual workstation with a larger engagement range and adjustable lifting door.

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Three in one go

It’s a space-saving and sustainable solution for sealing hermetic and cosmetic seals on stand-up pouches: with the COS upgrade for the top seal module TSM from Herrmann Ultraschall, manufacturers of packaging machines will be able to perform several work steps in just one sealing station.

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Minimum rejects despite special requirements

Systems from Herrmann Ultraschalltechnik GmbH & Co. KG reduced the reject rate for CUSTOMCELLS® during the production of a new battery application and thus increased efficiency for this manufacturer.

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Innovative spirit

Herrmann's Elastic Thread Anchoring (ETA) Sonotrode has been awarded the prestigious IDEA Equipment Achievement Award 2022. With this prize, the nonwovens association INDA honors the best technical developments in the industry.

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A clear focus on global growth

Herrmann Ultraschalltechnik GmbH & Co. KG is optimizing its global structures, and has made André Deponte the new head of international headquarters. Deponte is to oversee closer global collaboration to ensure a standard customer experience around the world.

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Efficient small series

For the producers, manually inserting 18 brass female connectors into a plastic frame for a control unit was a laborious and costly process. Ultrasonic welding offered an efficient alternative which considerably shortened the cycle times and was also financially worthwhile – in spite of a lower unit count. The versatility of the sonotrode and HERRMANN ENGINEERING played a crucial role here.

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Third largest economy in Europe with great ultrasonic potential

With the opening of the new location in Etaux, Auvergne-Rhones-Alpes region, Herrmann Ultraschall GmbH & Co. KG strengthens its presence in the French growth market. It provides the ideal basis for consulting, support and assistance without long travel distances or language barriers.

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60 years of ultrasonic excitement

A global company with strong roots in the region: this is what Herrmann has developed into over the past six decades. To celebrate its 60th anniversary, the family company is donating to six organizations that help people locally.

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Outstanding Innovation

A prestigious title: the auditing and consulting company Ernst & Young (EY) awarded Thomas Herrmann, Chairman of the Management Board of Herrmann Ultraschall GmbH & Co. KG, the prize as “Entrepreneur Of The Year 2021”. With the award in the category "Innovation", the jury acknowledged his creativity and commitment as entrepreneur.

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New thread fixation

The insertion of elastic threads can be complex and costly in the manufacture of hygiene products. Herrmann Ultraschalltechnik GmbH & Co.KG, Karlsbad, Germany, has developed a novel patented method for fixing elastic threads that simplifies handling, reduces the risk of breakage, enlarges the process window and lowers production costs.

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Welding thick cables quickly

Booming electromobility and the growing demand for fast charging technologies result in increasing system voltages for electric vehicles. This requires powerful cable harnesses and power rails, which in turn requires larger cable cross sections and/or metal sheet thicknesses. The higher the cross section, the more difficult the welding. For this purpose, Herrmann developed the Ultrasonic Power Stack 12000+ as an extension for their HiS VARIO W ultrasonic welding machines.

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Precise low force ultrasonic welding

Battery management systems (BMS) for cylindrical cells require precisely adjustable low weld forces. Herrmann has developed a new module which suits especially the welding of BMS to small cylindrical cells and finest materials, that can easily be integrated in existing production processes.

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Christmas charity 2020

This year has been challenging, but we are very grateful that we could contribute to the fight against COVID-19 with our ultrasonic technology for face masks and breathing ventilators. And it is in this sense of gratitude and hope that we once again decided to support worthy causes this Christmas

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Save 75% plastics

Together with the packaging service provider Verdesoft, Herrmann Ultraschall has developed a cup and a tube that can be closed by ultrasonics. The packaging concepts have a comparable product protection as conventional plastic packaging and save up to 75% plastic.

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Alumnus Thomas Herrmann

This is the famous Building M where CEO Thomas Herrmann studied mechanical engineering at the Karlsruhe University of Applied Sciences from 1984 to 1989. Now the university has appointed him to the university council as alumnus and head of a family-owned yet globally operating technolgy company.

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Newspaper interview with CEO Thomas Herrmann

Thomas Herrmann is a manager, a maker and shaker and a philanthropist. He is a man who has also appeared on stage as an actor in front of thousands of visitors to the cult musical "Weihnachten neu erleben" (bringing back the Christmas spirit), to inspire enthusiasm for the charitable cause.

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Process control in ultrasonic welding for medical sector

In the fight against the corona virus, ventilators and corona tests have come to the fore. Herrmann Ultraschall supplies well-known manufacturers with the welding technology to assemble the necessary components such as mouth and nose contact pieces, floats, filters and housings. The two software tools FSC and SonicCalibrate developed by Herrmann play an important role for quality assurance in the ultrasonic welding process.

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Climate Action "Karlsbad on bike"

At this year's Spring Challenge of the Karlsbad Municipality in southern Germany, we took third place in the category Bike Commuters Baden Württemberg with a team of 10 colleagues and 224 km per team member. In total, our team covered 2,462 km and saved 362 kg of CO2.

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High-volume mask production in Germany

The Lower Saxony-based automotive supplier Zender Group, Osnabrück, specializes in carbon and textile products. The company recognized the need for personal protective equipment at an early stage and started to set up a mask production facility in record time.

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Welding system for mask project from Arburg

Herrmann Ultraschall provides Arburg with a HiQ VARIO ultrasonic welding system free of charge for the Lossburg-based company's large mask project (see press release).

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WIN Charta Social Project 2020

Friend and colleague Max is leading the way. He donated blood and thus participated in our WIN Charta social project.

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Process control is the essential factor

Herrmann Ultraschall has been a specialist in ultrasonic welding for decades and has set high goals with the new weld system HiS VARIO for battery and terminal applications: in addition to process stability, these are shorter setup times and longer service life for the weld tools, above all.

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Welding metals for e-mobility

The ultrasonic welding of nonferrous metals is an established process and is currently booming in connection with the growing market for lithium-ion batteries (LIB) – now the main storage source for electromobility. Herrmann Ultraschall has been a specialist in ultrasonic welding for decades and has now developed a new weld system for metals, the HiS VARIO.

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Ultrasonic sealing: Enabling Sustainability

Mono-materials and paper composites for packaging are increasingly in demand and the number of inquiries regarding new recyclable materials is increasing at the ultrasonic laboratory of Herrmann Ultraschall. Many of the major food companies have set themselves high sustainability targets and are testing the new materials.

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Nonwovens: soft material stays soft

The use of softness-enhancing Air-Through Bonded materials (ATB) is increasing – typical hygiene applications are acquisition distribution layers (ADL), waist panels, and top sheets. Ultrasonic welding can offer process related and environmental advantages over glue and heat bonding. The nonwovens laboratory at Herrmann Ultraschall provides high-tech support for application solutions when it comes to bonding ATB.

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Mask Task Force established

Herrmann Ultraschall supplies the ultrasonic welding technology for the production of different face masks. Inquiries accumulate. Focus on short transport distances.

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Detection of coronavirus in about 45 minutes

Cepheid, one of our key PLASTICS customers, is a company who specializes in developing molecular diagnostic testing solutions.

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Design awards for the welding workplace of the future

The optimal human-machine interaction in regards to the functionality of the machine convinced both juries. Herrmann Ultraschall has received the IF Design Award 2021 and the Good Design Award 2020 for the new HiQ DIALOG ultrasonic welding machine generation.

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Christmas donation for school associations

This year's Christmas donation in the context of our charity initiative “Herrmann Cares” is intended for education and goes to two schools in Karlsbad, Germany, to make subject-related project days affordable for all students.

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Difficult welding for medical secretion canister

A material that is difficult to weld, large component dimensions, and the required strength/sealing specifications – the ultrasonic laboratory at Herrmann Ultraschall was able to solve this challenging task for a manufacturer of medical technology.

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Ultrasonic welding of non-ferrous metals

Herrmann Ultraschall has been a specialist in ultrasonic welding for decades and is presenting its new HiS VARIO welding system for metal welding such as copper and aluminum at Productronica. The system can be used as a manual workstation or automatically integrated into production lines.

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Ultrasonic welding of bio-based plastics

As of now there are few inquiries for the welding of recycled materials, ie plastics that already have been processed once or more before. The weldability must be determined empirically in the test laboratory.

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Circular economy

Ultrasonic technology can also deliver good sealing results with narrow process limits, especially with regard to tightness and visual appearance. The thermal expansion is kept to a minimum. Thermal processes demonstrate disadvantages of excessive heat input, especially in the continuous welding of film webs.

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Ultrasonics for cuff elastic

Ultrasonics for cuff elastic is a relatively new topic. How were they processed before? What is the most important aspect of thread processing? What role does the rotary anvil play? Where is this trend leading?

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Ultrasonic welding for diapers

By means of the ultrasonic process, multilayer absorbent bodies, e.g. a diaper, including the SAP granules (Super Absorbent Polymer) can be welded glue-free and in one single step. Now Herrmann Ultraschall offers an innovative process for elastic cuffs.