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MDA Technologies 5/2015

MDA Technologies 5/2015

Product News Compact and

Product News Compact and highly dynamic DC servo controllers from Sprint Electric At the international trade fair SPS/IPC/Drives 2015 in Nuremberg, Germany, the company from England, Sprint Electric Ltd. presented their latest range of DC servo controllers. The drives of the extended XLV range are miniature, fast response DC motor speed controllers, offered in a compact, easy to use DIN rail mounting package. They are designed for use with permanent magnet brushed DC servo motors rated from 4 to 12 Amps. Applications of the XLV range include, for example, door opening mechanisms and motorised swimming pool cover systems. The controllers are suitable for use on DC supplies up to 48 V and can be used in either current (torque) or speed control modes. For highly dynamic applications, a shaft-mounted DC tacho-generator is recommended for speed feedback. In less demanding applications, armature voltage feedback (Avf) can be used. The reference signal for both current and speed control can be either bipolar (+/-10 V) or unipolar (0 to 10 V). Motor speed can be controlled in both forward and reverse directions. Besides the XLV, Sprint Electric offers a wide range of DC motor control, with over 150 models www.sprint-electric.com Integrated Motion Control (IMC) to solve positioning and synchronisation problems The Integrated Motion Control (IMC) from Danfoss that can be optionally integrated in VLT Automation Drive as a software, works with common motor technologies. It has an automatic motor adjustment and provides sensor-free rotor position identification as well as torque control. While users previously required a corresponding Motion Control system (internal or external) or a sensor for precise control of a drive for complex applications in conjunction with a frequency converter, now thanks to IMC a VLT Automation Drive FC302 is in a position to solve positioning applications without additional hardware components. The same is applicable for synchronisation applications. www.danfoss.com MDA Technologies 5/2015 19 Turkish-Machinery.indd 1 23.10.2015 07:47:20

Germany from a bee’s eye view Simone Dauer By the time the Universal Exhibition in Milan ends on 31 st October 2015, a total of 20 million visitors will have attended. Germany is presenting itself there with the German Pavilion. The path for visitors through the German Pavilion ends in a live show in which they can participate. During the show, complex cable robot systems move loads over the heads of the audience. Here, special safety requirements must be fulfilled. In the stage winches, which are used to drive the cable robots, the ‘Roba-stop-silenzio’ brakes from Mayr power transmission, ensure maximum operational and functional safety. Author: Simone Dauer (M.A.) Public Relations, Mayr Antriebstechnik in Mauerstetten, Germany After Hannover (2000), Aichi in Japan (2005) and Shanghai (2010), the Expo 2015 is tempting visitors from across the world to Milan. The central theme of this year’s Universal Exhibition is “Feeding the planet, energy for life”. It wishes to provide answers to the future challenges of global nutrition. The German Pavilion makes a clear statement on this topic and provides visitors with insights into new approaches from Germany for the nutrition of the future. In line with the slogan “Be active”, guests are invited to become active themselves. The path through the exhibition ends with a dynamic stage show, in which visitors can immerse themselves in a journey through Germany. They observe Germany through a new perspective; through the eyes of flying bees. The bee’s eyes move smoothly and silently through the room over the heads of the visitors. The eyes are moved by two complex cable robot systems, which are in turn powered by specially constructed linear winches by ASM Steuerungstechnik GmbH, based near Paderborn, Germany. In these winches, ASM trusts the reliable ‘Roba-stop-silenzio’ safety brakes from Mayr power transmission. In case of malfunctions such as power failure, these brakes ensure that the cable robots reliably come to a standstill and do not drop. The control and monitoring of the winches is conducted by a speciallyadapted stage technology system which has been developed by Fülling & Partner GmbH based in Dortmund, for this application purpose. Fascinating technology The bee’s eyes are moving projection surfaces, i.e. rear projection units which consist of a DLP projector and the projection surface measuring 230 cm × 140 cm. The projector and the projection surfaces are firmly connected to each other. Every bee’s eye is suspended on a cable robot. So-called ‘spider’ cameras provide the initial basis for the show concept – they are used for example in football stadiums, over the playing field for broadcasting games. On these cable camera systems, the camera is held by four electrical cable winches. Through controlled winding and unwinding of the cable winches, the camera can be moved horizontally and vertically within the space available. 20 MDA Technologies 5/2015

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