Hero Loepfe Swiss

Pioneering sensor technology in textile innovation

Loepfe has redefined the landscape in textile manufacturing through cutting-edge sensor technology. For decades, Loepfe has been at the forefront of revolutionizing the textile industry, elevating the standards of quality and precision. Loepfe's sensors are designed to deliver unparalleled accuracy in detecting even the slightest imperfections in yarns before they are processed into a fabric. The range of innovation extends to yarn clearers, weft stop motions, and electronic tensioners.

But for Loepfe, it does not end with sensor technology. Finding and shaping sensor solutions means offering products, parts, services, and technologies to customers as part of a broader system. Through a diligent exploration of needs and application pain points, a deep understanding of markets delivers best-in-class and clever textile quality control systems.

And a clever textile quality control system makes a spinning mill profitable and efficient, and ultimately, makes everyday work for operators easier in spinning mills.

Loepfe building

Advanced optical sensor technology

At the heart of Loepfe's yarn clearers lies advanced optical sensor technology. These sensors are designed to meticulously scan the yarn as it is being produced. They can detect a wide range of imperfections, such as knots, slubs, foreign fibers, thin and thick spots, and even color variations. The precision and sensitivity of these sensors are remarkable, allowing for the detection of defects that might escape the naked eye. This level of precision allows manufacturers to make immediate adjustments, reducing waste and enhancing productivity. With Loepfe's sensors, textile producers can now maintain consistent quality throughout the entire production process, from raw materials to the final product.

Sustainability through efficiency

As the textile industry grapples with sustainability challenges, Loepfe's sensor technology offers a solution. By minimizing defects and optimizing production, these sensors contribute to reducing material waste and energy consumption. This not only benefits the environment but also the textile manufacturers.

Global impact and innovation

Loepfe's commitment to innovation extends far beyond the confines of a single factory or region. These sensors are used by textile manufacturers around the globe, enabling the production of fabrics that meet the demands of a rapidly changing market. From fashion to automotive textiles, Loepfe's sensors are the bedrock of quality and innovation.

About Loepfe

Since its establishment in 1955 by the brothers Helmut and Erich Loepfe, the company has been the pace­setter for innovation in textile quality control. Loepfe has established itself in the field of optical yarn clearers with pioneering achievements. Today, Loepfe is considered worldwide as the specialist for integral quality control systems. 50% of worldwide staple yarn production is monitored by Loepfe yarn clearers.

The headquarters is in Wetzikon/Switzerland where Loepfe employs approximately 150 employees. The pro­duction location Switzerland guarantees stability and reliability. All Loepfe products are developed and manufactured in Switzerland. Loepfe is represented in all important textile markets by an international network of representations and service locations.

Loepfe quality is based on our employees‘ unique know-how and many years of experience. They do outstan­ding work. Loepfe invests systematically in research and development. We know the complex requirements of the textile industry and provide tailor-made solutions and state-of-the-art technology. We keep an eye on the future and are working on tomorrow’s solutions, today.


Winding machine manufacturers

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Weaving machine manufacturers

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    • P3-Sensor 3rd Generation
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  5. Optical yarn defects sensor for filament yarns

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    History falcon i
  6. For rotor yarn clearing

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  7. Get the most out of rotor yarn

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  8. P2 polypropylene sensor

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    • P2-Sensor 2nd Generation
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    • First Polypropylene simultaneous dark/bright foreign matter
    • First Touch Screen
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  13. Detects all knots in running yarn

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  15. Universal piezoelectric yarn stop motion.

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  17. Weft stop motion for rapier weaving machines

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