Lindauer Dornier: “The Green Machine”
Lindauer Dornier

“The Green Machine”

The “Green Machines” are characterized by a high degree of flexibility, accuracy of weft insertion and durability
The “Green Machines” are characterized by a high degree of flexibility, accuracy of weft insertion and durability

Sustainable weaving: machine builder Lindauer Dornier GmbH, Lindau/Germany, presented latest solutions inspired by “The Green Machine” sustainability approach at the Techtextil.

The company 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 ultra-fine 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. 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 optimized for technical fabrics are combined to produce wide air and water filter fabrics of very high density.
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 per 100 km by almost half. An important role is played by the material favored by all engineers who wish to make their machines lightweight yet durable: carbon-fiber reinforced plastic (CFRP). These days, CFRP accounts for over 50% of the construction of the modern aircraft types such as the A350 XWB and the Dreamliner. Weaving machines by Dornier have been used for working high-performance fibers such as carbon, glass and aramid for more than 50 years. As environmental requirements become inexorably more stringent and every last gram is scrutinized intensely, these days even lightweight, ultra-strong primary structures such as turbine blades are produced on modern 3D weaving machines. Apart from aviation and space travel, the use of fiber composite plastics is also becoming more widespread in the construction industry (based primarily on the idea of replacing steel with carbon) and automobile construction. According to Dornier, 2 out of 3 airbags and 3/4 of all motor vehicle tires with textile reinforcement are made on weaving machines from Dornier.
“The Green Machine” is not limited to just the “green effect” of the fabrics it produces. These systems enjoy an average service life of several decades, so they are exceptionally long-lasting. They represent the culmination of decades of experience in the design and manufacture of (rod) rapier weaving machines and more than 25 years of expertise in the development of air-jet weaving systems. The further development of the machines takes place for the purpose of optimizing sustainability. Thus for example, the platform strategy, modular concept and global support network have made trusted, (energy-)efficient workhorses out of “Green Machines” which can be as much as 30 years old.

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