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world of industries 8/2016 (EN)

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world of industries 8/2016 (EN)

A 3D printed house? Now

A 3D printed house? Now a reality Alexander Mühlens In Amsterdam’s Marine Quarter, the façade of the “Europe Building” was partly built by 3D printing. For the production of the façade elements, the architects used the gantry systems and the engineering support of the motion plastics specialist igus. Everything starts small - even the 3D printing technology. This applies not only to the market share of this production technology, but also for the size of the printed components. Initially, there were small prototypes, orthodontic aids, and designer jewellery, which were manufactured with generative processes. Today the 3D printer already produces motor vehicle components and - at igus - customised highly wear-resistant Tribo-components. And it goes even bigger: the Dutch architecture firm DUS has materialized the idea of building entire houses in this way – with a mobile 3D printer in XXL format, which is housed in a shipping container. prise. Logistics at the construction site are also considerably simplified: The elements are printed on site, placed on the spot and filled with concrete. And while cost-effective pre-fabricated architecture has almost always looked boring and uniform so far, now a great freedom of design has opened up. In addition, the architects of DUS say, this process can be used very well for the quick construction of new houses in disaster areas. To transform the idea into reality, DUS founded the company ‘Actual’. The aim of ‘Actual’ is to enable the owner to select and customize building components on a digital platform, which are then manufactured on site using XXL 3D printers. Under the term “Kamer Maker 2.0” (literally ‘Room Builder’ 2.0) this idea is very popular in the Dutch media. It was even reported worldwide, and presented to the US President Barack Obama himself in person during a visit to Amsterdam. MDA INDIA Sensible, flexible and eco-friendly What seems an exotic marketing gimmick at first glance, on closer inspection is not only charming but has a lot of arguments in its favour. In this way the load-bearing structures can be manufactured from plastic recyclate, which is also a sustainable enter- Author: Alexander Mühlens, Product Manager drylin drive technology, igus GmbH, Cologne, Germany 01 Drylin range from igus includes ready to install gantries for all 3 axes with actuators and sensors for position detection 22 World of Industries 8/2016

MACHINE ELEMENTS 02 Insides of the mobile 3D printer; The print head moves on a drylin axis with toothed belt drive Technological partner for 3D printed homes To experience how the new way of building homes looks like in practice, a visit to the Europe Building in the Amsterdam Marine Quarter is a must. The building was built for the duration of the Dutch Presidency of the EU. The airy facade of this house is reminiscent of historic sailing ships, which were previously produced in this very district. Under the sails, appear 3D printed elements made of biodegradable plastic which can be recycled at the end of the presidency. The 3D printed façade elements are accompanied by 3D printed seating elements which have also been created by Actual. To make the “Kamer Maker 2.0” an instant success, Actual has sought for technological partners. As one of these partners, the motion plastics specialist igus has helped with optimizing the design of the mobile 3D printer. The first generation of the 3D printer had a separate room for the controls and therefore could produce only parts up to a size of 2.00 × 2.00 × 3.00 meters. Thus, there was need for improvement, both in precision and in the printing speed. DERANTRIEB■ Reliable ■ Versatile ■ Global NORD DRIVESYSTEMS: ■ Worldwide available ■ Subsidiaries in 36 countries ■ Agents in 52 countries Headquarters: Getriebebau NORD GmbH & Co. KG Fon +49 (0) 4532 / 289-0 Member of the NORD DRIVESYSTEMS Group The Gear Unit ■ Strong bearings ■ Quiet running ■ High power density The Motor ■ High efficiency ■ Global standards ■ All operating conditions The Drive Electronic ■ Field distribution system ■ Easy installation ■ Scalable functionalities