High-Precision, Robust Solutions for Next-Generation Robotics
In the evolving world of Industry 4.0, robotics has become a cornerstone of industrial efficiency, safety and automation. From collaborative robots operating alongside humans to high-performance industrial and service robots, manufacturers face a common requirement: systems must be compact, precise and reliable, even in harsh environments. Within this landscape, Hutchinson has positioned itself as a technological partner capable of delivering advanced sensing and sealing solutions tailored for tomorrow’s machines.
Although the Hutchinson Group is a global leader with 170 years of expertise, the story of its magnet rings begins inside the specialized French plant of Segré, where a unique know-how was developed.
“We have built a strong background in magnetic materials,” explains Laurent Khouri, Industry Sales Manager. “From this expertise, we designed a complete range of magnet rings—passive components that transmit information to sensors, actuators and motors, especially for precise motion control.”
Why magnet rings? Robustness comes first
Hutchinson’s Nonius Magnet Rings differ significantly from traditional optical or contact-based systems. Their greatest advantage lies in robustness. Because they are passive, contactless components, they are unaffected by dust, lubrication fluids, humidity or surface wear. This makes them ideal for robotic systems exposed to vibrations, high temperatures or aggressive environments.
“In medical applications, for example, reliability is critical” Laurent explains. “Our technology continues to operate even where motors and electronics start to overheat. The electronic system would fail before the magnet ring. Our parts can withstand temperatures up to 150°C without degradation.” The absence of friction is another advantage: no contact means no wear and no maintenance.
Thanks to their compactness, magnet rings can be integrated into small environments while offering absolute position detection. They are suited to industrial automation, humanoid robotics, collaborative robots and medical equipment—anywhere precision and durability matter.
Engineer-to-Engineer: customization as a strategy
One of Hutchinson’s strongest differentiators is its development model. While a catalogue of standard products is available, 90% of customer projects are fully customized.
“We use a true engineer-to-engineer approach,” says Laurent. “The catalogue helps customers start prototyping quickly. But once they validate the technology, they usually need a product adapted to their environment. Because we control the full process in-house, we can design specific solutions that really fit.”
This full ownership of material formulation, design and manufacturing is unusual in the industry and positions Hutchinson as a long-term partner rather than a simple component supplier.
Covering the performance spectrum
Magnetic sensing is not the only technology the company offers. Hutchinson also develops inductive position sensing systems to complement magnet rings when extremely high accuracy is requested.
“There are three main sensing technologies: magnetic, optical and inductive,” Laurent explains. “We chose to develop inductive in addition to magnetic because each technology has a performance limit. With both solutions, we cover a wider accuracy range and can answer all customer requirements.”
Meanwhile, Hutchinson continues to grow its core portfolio of sealing components—shaft seals, O-Rings, flange seals, bonded plate seals, die-cut parts—ensuring protection, longer machine life and optimized friction in rotating or translating movements. Combining sensing and sealing in a single system is also possible when required.
A market that Hutchinson anticipated
Robotics is booming in Asia and the United States, with growing interest in Europe. According to Laurent Khouri, the company has been preparing this for years: “We developed these solutions before the market peak. Thanks to that, we are already ready to answer the needs of robot manufacturers worldwide.”
This early positioning, combined with a global footprint of 32 plants in 18 countries, allows Hutchinson to support manufacturers locally, while guaranteeing quality, traceability and continuous innovation.
What comes next?
Competition among robot builders is intensifying. Manufacturers are seeking more precision—without raising costs. To answer this challenge, Hutchinson is focusing on process innovation.
“Robotics makers want the best robots,” Laurent says. “They are now competing on accuracy. Our work is to push the limits of magnetic performance and maintain affordability. We are improving our processes to deliver even more precision at competitive cost. That is why we are confident in our long-term position.”
Precision, robustness and customization: these three pillars summarize Hutchinson’s contribution to the robotics industry. Magnet rings provide reliable, frictionless sensing in environments where optical systems would fail. Combined with advanced sealing and a unique engineer-to-engineer development model, Hutchinson offers not just components, but tailor-made solutions designed for tomorrow’s smart, collaborative and efficient automation.
