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Techtextil Focus | May 2019

DORNIER solutions inspired by “The Green Machine” concept

Hall: 3 | Booth: F03

When the conversation turns to sustainability, many are of the opinion that business should lead from the front; machine builder DORNIER has applied this guiding principle rigorously for more than 65 years. At the upcoming Techtextil exhibition, the family-owned company will present comprehensive solutions in sustainable technologies for the manufacture of clothing, home textiles and technical fabrics.

“Our machines are not just green on the outside”, declares Wolfgang Schöffl, head of the Weaving Machines product line at DORNIER. He is referring to the trademark green color of the machines from Lake Constance, which also serves as the visual equivalent of the company’s philosophy of sustainability, “The Green Machine”. In this way, DORNIER pursues a total approach which is applied systematically to all technological aspects from the machine to the woven fabric up to and including the finished product.” With regard to filtration, for example: The “Green Machines” are used to make ultrafine precision fabrics which are implemented in the service of environmental protection all over the world in filters for cleaning or preserving the cleanliness of air, water and exhaust gases. “We are constantly refining our equipment so that our customers can manufacture still more closely woven fabrics”, says Schöffl. Consequently, the last few years have seen a steady improvement in filter quality: With the latest generation of P2 machines, a reed impact force of up to 50 kN and particularly the shed geometry optimised for technical fabrics are combined to produce wide air and water filter fabrics of very high density.

Conserving fuel with ease

The machines from DORNIER also weave with fuel economy in mind: For example, between 1990 and 2017 German airlines reduced the amount of fuel consumed for carrying passengers 100 km by almost half. This impressive achievement is due in large part to the material favored by all engineers who wish to make their machines lightweight yet durable: carbon-fibre reinforced plastic (CFRP). Airbus and Boeing both began testing installing the first CFRP components in the early 1970s.

These days, CFRP accounts for over half of the construction of the modern aircraft types such as the A350 XWB and the Dreamliner. But what hardly anyone outside the close commuity of the initiated knows: Weaving machines by DORNIER have represented the standard for working high-performance fibers such as carbon, glass and aramid for more than 50 years. And as environmental requirements become inexorably more stringent and every last gram is scrutinised intensely, these days even lightweight, ultra-strong primary structures such as turbine blades are produced on modern 3D Weaving Machines from DORNIER. Apart from aviation and space travel, the use of fibre composite plastics is also becoming more widespread in the construction industry (based primarily on the idea of replacing steel with carbon) and automobile construction. Incidentally, on the subject of cars: Two out of three airbags and three-quarters of all motor vehicle tires with textile reinforcement are made on weaving machines from DORNIER.

Development with sustainability in mind

But “The Green Machine” is not limited to just the “green effect” of the fabrics it produces. These “Made in Germany” systems enjoy an average service life of several decades, so they are exceptionally long-lasting, the opposite of disposable products. They represent the culmination of decades of experience in the design and manufacture of (rigid) rapier weaving machines and more than 25 years of expertise in the development of air-jet weaving systems. “It is our intention to remain constantly at the forefront of technical advance through innovation and to serve as a constant source of visions for sustainability with new machine concepts”, says Schöffl. Both air-jet and rapier machine are undergoing constant further development for the purpose of optimising sustainability, he adds.

Thus for example, the platform strategy, modular concept and global support network have made trusted, (energy-)efficient workhorses out of “Green Machines” as much as 30 years old for the modern weaver, more and more of whom are seeking opportunities in the growing market for technical textiles in addition to domestic and clothing fabrics. The following statement is intended to show that this philosophy of sustainability is not a mere passing trend at DORNIER, but rather the foundation of a long-term company strategy: “We strive to design and manufacture our products so that they are as safe and environmentally compatible as possible.” Is this an excerpt from the latest corporate brochure? Hardly. It is one of the seven guiding principles for the company – formulated almost 35 years ago by company’s founder Peter Dornier.

Lindauer DORNIER GmbH and its Weaving Machine, Specialty Machine and Composite Systems divisions has earned its place as a global technology leader. In 2017, the family-owned German company with about 1,000 employees (including 63 trainees) recorded incoming orders totaling about 280 million euro. The weaving machines from DORNIER meet all of the requirements that are essential for modern fabric production: flexible, gentle material insertion, an exceptionally broad spectrum of material and pattern capabilities, absolute functional reliability, flawless goods and short standstill times. The DORNIER system family, consisting of rapier and air-jet weaving machines, is the contemporary answer to the unforgiving catalog of specifications demanded by today’s market. The machines are manufactured in the production workshops at Lindau in Germany.

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