Construction projects reliably printed with igus energy chain system in XXL 3D printer

Unique store concepts, concrete stairs with futuristic designs or modern facades: Aectual, a Dutch company, implements special architecture projects with its XXL 3D printer. For reliable “lights out” robot operation, the design engineers decided to use highly flexible chainflex cables in a triflex R energy chain with a pneumatic retraction system. In the seventh axis, an E4/light energy supply system supplies the robot with energy and data.

The projects taken on by Aectual, are unique, modern and functional. The company manufactures customised floor coverings, walls and stairs, to create a very special experience. For instance, Aectual can implement even the most complex requirements of designers, project developers, builders and architects. Their printed masterpieces can be found in Amsterdam’s Schiphol airport, for instance: the terminal’s 2,000 square metres of flooring features an integrated floor marking system. The facades and interior elements are manufactured with an XXL robotic printer. It is one of the largest of its kind in Europe and the only printer that can run in “lights out” mode (that is, remotely without server access). It features printing speeds of up to half a metre per second. Aectual’s extrusion technology is integrated directly into the robot. Granulate consisting of organic-based or recycled material is melted in the extruder, and a worm gear moves it directly to the printing nozzle. The extruder uses a number of different sensors and driven components. Laying power cables and analogue and digital signal cables proved to be a challenge. The many cables should be laid as compactly and robustly as possible in order to maintain lights out operation. igus, the motion plastics specialist, provides the right cable protection system in the form of its energy chains.

Reliable cable guidance on the robot thanks to the retraction system
“The chainflex robot cables enabled us to make our system cleaner, more efficient and more reliable. Because all cables have the same connectors, they are easy to replace during maintenance. Easy cable replacement will also enable us to equip our extruders with other digital fabrication tools in the future”, says Hedwig Heinsman, Aectual’s Co-founder and Chief Commercial Officer. All cables are guided reliably in a triflex R energy chain designed specifically for three-dimensional applications in robots. It ensures that no cable twists or fails. For cable retraction at the robot head, Aectual used a pneumatic retraction system (RSP). “This allows us to ensure that the cables and hoses are guided safely, even with large arm diameters and very complex movements”, says Jörg Ottersbach, Head of igus GmbH’s e-chain Business Unit. “A pneumatic cylinder on the individual application makes retraction forces infinitely adjustable.” And Aectual uses igus motion plastics products not only in the six robot axes, but also for supplying the robot via the seventh axis, where the developers use an E4/light energy chain to ensure safe cable movement. The chain is remarkable for its low weight, price and large interior.

All of the igus products are available from Treotham Automation.

Treotham Automation Pty Ltd
1300 65 75 64

About Treotham:
Treotham Automation is a leading supplier of high-quality electrical components and products to a wide range of industrial markets. Being the distributor for many world leading suppliers in their respective fields, Treotham Automation offers a diverse range of products to a variety of industries. With multiple warehouses and experienced staff, Treotham Automation strives to provide customers with a total solution, with the highest quality products, the best service and ongoing technical support. For more information, visit www.treotham.com.au

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