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Schenck Passion for Balancing Logo About us

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Our vision, our history Passion for Balancing – since 1881.

Turning good products into excellent products – this is our passion and our promise: our technologically leading balancing solutions facilitate safe, resource-efficient manufacturing of products used by billions of people every day. Find out more about us and our success story.

Our vision Our sustainable solutions drive resource efficiency to peak levels in the mechanical engineering sector. For our customers, for society and for the environment.

About us

What we stand for

We combine economic efficiency with sustainability.

Balancing means high productivity, long service life and lived sustainability. Because precisely balanced parts work more efficiently, thus saving valuable resources. This applies equally to precision dental turbines or car steering wheels, aircraft engines or power plant turbines. 

We take this responsibility very seriously and guarantee uncompromising quality, sustainable solutions and comprehensive service throughout the entire service life of your product.

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We develop unique balancing solutions

What makes us particularly proud: our solutions for all components and armatures are globally unique. We offer balancing machines and software solutions for all weight classes and every size – from wheel assembly to diagnosis technology, from the repair workshop to mass production. 

In combination with our experience from nearly 150 years of company history and our sites in 54 countries all over the world, this makes us the leading partner for industry and the skilled trades.

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Schenck RoTec GmbH

Facts about us

World market leader for balancing solutions

Founded by Carl Schenck, the inventor of the balancing machine

More than 1,100 employees all over the world

Sites and services in 54 countries worldwide

Production at 6 sites in Europe, America and Asia

Subsidiary of Carl Schenck AG and DÜRR AG

Our history

From pioneer to global player

110 years on the trail of imbalance

On October 1, 1881, Carl Schenck founded his “iron foundry and weighing machine factory” in Darmstadt, which is now Carl Schenck AG. As early as 1863, “Commerzienrat Carl Heinrich Johann Schenck” had co-founded the Mannheim-based company “Schenck, Mohr & Elsässer,” where automotive pioneer Carl Benz also worked as a technical employee.

In 1881, Carl Schenck left the Mannheim company and founded his own weighing machine factory in Darmstadt. His prudence, international orientation, and presence at world exhibitions ensured early success and a healthy order book for the young Darmstadt-based company. Thanks to this dynamic development, the company began developing and producing balancing machines in 1907.

Carl Schenck, who had been working intensively on the subject of “balancing,” signed a license agreement in 1908 with Lawaczeck, who was the first to develop a usable solution for a “balancing machine.” In 1915, Schenck acquired the exclusive license for the entire world. The “Lawaczeck principle” remained in use until the 1940s.

During this phase, a number of other optical and mechanical measuring methods were developed that offered astonishingly high measuring accuracy. The “Lawaczeck design” achieved a balancing accuracy of 0.001 mm center of gravity displacement. This would still be sufficient for many applications today.

In 1935, a change was on the horizon – thanks to a machine patented in the USA with electrodynamic vibration sensors and stroboscopic imbalance angle determination.

In 1942, Schenck filed a patent for a “method and device for dynamic balancing by determining the angular position of the imbalance using a curve recorded periodically on an oscilloscope screen.” This first production-ready solution was successfully used to balance ship gyroscopes during World War II due to its measuring accuracy.

The wattmeter method, the next step in the development, suppressed undesirable parasitic vibrations. With the basic components known at this time, i.e. wattmeter, vibration sensor and angle reference generator, it was possible to determine the position and magnitude of the unbalance in one measuring run. Unbalance values were displayed on two pointer instruments.

In 1953, the light spot vector meter brought further improvement. The combination of both values in one display and the “storage” of the measured values by a light spot on the screen simplified balancing. The imbalance was now visible. Even today, the vector meter is still a proven method for displaying the position and size of the imbalance in modern screen measuring devices.

Parallel to the development of “workshop machines” – today referred to as universal machines – the automation of balancing continued to advance. “Balancing machines” for crankshafts determined the imbalance and specified the drilling depth for the drill machines to compensate for it. The measurement run, compensation, and control run took about 2 minutes for a crankshaft.

The mechanical foundations for balancing were laid in the 1970s. Electronics slowly conquered balancing and diagnostic technology. In 1971, the electronic, wattmetric measurement method was introduced. The first computer-controlled balancing systems were introduced in 1974.

The next major change came with the advent of digital technology: from the early 1980s onwards, computers with microprocessors also conquered measurement technology and continue to dominate it to this day. Starting with the CAB 690 and CAB 720, today the CAB 820 and CAB 920 represent the fourth generation of measurement technology in service.

In 1995, as part of the restructuring of Carl Schenck AG, the balancing and diagnostic technology divisions were merged to form an independent company – Schenck RoTec GmbH.

From a technical perspective, one of the most impressive highlights of this period was the creation of the world's largest geotechnical centrifuge for soil physics research. The CRYO centrifuge, which is used to further develop components of the Ariane 5 rocket engine at temperatures close to absolute zero, broke new technological ground.

In 2000, the globally active technology group DÜRR AG, based in Stuttgart, acquired a majority stake in Carl Schenck AG.

Energy saving, noise reduction, and efficiency improvement were the predominant themes of the first decade of the new century. In 2009, the testing laboratory for balancing technology received official accreditation from the German Accreditation Body for Technology (DATech). For the first time, users and service providers can have their testing equipment and measurement technology certified in a manufacturer-neutral manner – documentable and traceable to international SI units.

10.06.2025

Schenck Balancing Lab at EMO 2025

Schenck presents groundbreaking solutions for balancing at EMO 2025 in Hannover

With over 100 years of experience in balancing and a clear claim to digital innovation leadership, Schenck transforms EMO 2025 in Hannover into an interactive "Balancing Lab". At the trade fair booth, the world market leader for balancing technology showcases innovative machines, portable measuring devices, and digital services - all related to the topic of rotor balancing. 

Exhibits at the Schenck booth include: 

  • Pasio 100-700: This powerful universal balancing machine covers a wide range and is suitable for medium to heavy rotors weighing several hundred kilograms. Thanks to its modular design, it can be flexibly adapted to individual requirements.
  • Pasio 15: This machine from the Pasio series features a compact design and easy operation, ideal for smaller rotors up to 15 kg, such as those in medical technology or electronics manufacturing.
  • Schenck ONE Software Solutions: The digital platform for modern balancing, allowing users to prepare processes, manage rotor types, perform balancing, create protocols, and conduct analyses seamlessly integrated on the machine and in the cloud.
  • Modernization package with retrofit system for existing machines: Bringing older balancing machines up to date with modern measurement and control technology for increased efficiency, safety, and longevity.
  • Handhelds SVA 90, SVA 95 and SmartBalancer 4: Portable vibration measurement devices for precise results in vibration analysis and in situ balancing of rotors like electric motors, fans, pumps, or compressors.
  • Live consulting experience: Consulting experts showcasing the extensive service portfolio, from engineering and spin testing to process optimization and quality assurance, following the opening of the Green Technology Center in Darmstadt.

Customers worldwide in aerospace, mechanical engineering, green technology, and automotive industries rely on Schenck's solutions, continuously optimized for precision, user-friendliness, and digital connectivity. 

As the first provider in balancing, Schenck offers remote updates for measurement and cloud software through a modern subscription model – a unique feature in the market. The company systematically analyzes balancing processes and integrates insights on ergonomics, safety, and efficiency directly into the design thinking process for new product generations, resulting in intelligent machines, more sustainable processes, and added value for customers. 

Schenck can be found at booth D49 in Hall 5 at EMO 2025.

About Schenck RoTec

Schenck RoTec is the global market leader in the field of balancing solutions. The company has 17 subsidiaries and joint ventures, and seven production sites worldwide. In addition, there are over 36 representatives and offices across all five continents. The Schenck RoTec Group supplies industries such as automotive and automotive suppliers, electrical engineering, aerospace, turbomachinery, and general mechanical engineering with innovative technologies.

Schenck RoTec is part of the Dürr Group, one of the world's leading mechanical and plant engineering firms with particular expertise in the technology fields of automation, digitalization, and energy efficiency. Its products, systems, and services enable highly efficient and sustainable manufacturing processes – mainly in the automotive industry, for producers of furniture and timber houses, as well as in the assembly of medical and electrical products and in battery production. The Dürr Group generated sales of €4.7 billion in 2024 and currently has around 18,000 employees and 130 business locations in 32 countries. Since the sale of its environmental technology division at the end of October 2025, the business has been consolidated into three divisions: 

  • Automotive: painting technology, final assembly, testing and filling technology
  • Industrial Automation: assembly and test systems for automotive components, medical devices, and consumer goods as well as balancing technology solutions and coating systems for battery electrodes
  • Woodworking: machinery and equipment for the woodworking industry

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