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Results for

Retaining rings

GermanyBonn, Düsseldorf and North Rhine and WestphaliaManufacturer/producer
  1. ENERGIETECHNIK ESSEN GMBH

    Germany

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    Energietechnik Essen GmbH – a member of the Georgsmarienhütte Group – bases its capabilities and skills on continuous research and development as well as on experience reaching back to 1811. The Energietechnik Essen GmbH develops, produces and supplies safety-relevant high-tech products, mainly for manufacturers of power generation machinery. When the first turbo-generator was built at the start of the 20th century, the Essen-based company supplied the retaining rings. Retaining rings are placed on the ends of the rotors to fix the copper coil against the centrifugal forces created by the high rotational speeds. The oldest documents in the company's archive relating to non-magnetisable retaining rings date back to 1901. Energietechnik Essen GmbH uses two remelting units, one electroslag remelting unit and one pressurised electroslag remelting unit, to produce the materials for retaining rings.

  2. LESJÖFORS INDUSTRIAL SPRINGS & PRESSINGS GMBH

    Germany

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    Die Lesjöfors Group is one of the largest manufacturers of technical springs in the world. Our range of products in spring technology includes wire and leaf springs, punched and bent parts, and gas springs. Our experience in spring manufacturing dates back to 1852. Today, over 1800 motivated employees ensure that everything from technical design and spring calculation through to dispatch runs smoothly and professionally. Thanks to our many years of experience in springs, stamping technology and bending technology, we provide our customers with customised solutions which can be implemented in a timely manner due to our flexible production capacity. We are active on the international stage with regard to continuing globalisation. Currently, we have production and sales sites in Sweden, Finland, Norway, Denmark, Germany, the Netherlands, Great Britain, Slovakia, Latvia, Russia, China, Thailand, Singapore, Mexico and the USA .