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MDA Technologies 5/2016

MDA Technologies 5/2016

Contact protection for

Contact protection for HDSCS pin housing The GPN 365 protective cap from Pöppelmann Kapsto is a special contact protection for pin housings of the Heavy Duty Sealed Connector Series (HDSCS). It is suitable for transport and paint protection or other applications with high requirements for sturdiness. Made of heat-resistant, plasticizer-free TPE plastic, it can withstand temperatures up to 150 °C. Color and material variants, individual dimensions and special designs are available on request. As part of the standard program the end cap is available from stock. The delivery quantity can be specified by the customer. www.poeppelmann.com Sensors for the plastics processing industry Gefran produces solutions for automation, drives and sensor systems for the plastics and rubber industry. A highly innovative system consisting of compact sensors, magnetic adapters and a display device allow for direct measurement and display of nozzle pressure (IN sensor) and nozzle contact force (DAK sensor) in plastic injection molding machines – without any complicated conversions at all. A sensor is also available that can simultaneously measure both the closing force and the internal tool pressure in addition to monitoring mold protection via the tie bars. The manufacturer uses environmentally compatible materials for all products. Mass pressure sensors are available with different RoHS-compliant filling media, for example, and the Impact series has no filling medium at all. The sensors are PL ‘c’‘ and SIL2 certified and therefore meet the criteria of the Machinery Directive and production standards such as the Extruder Standard EN 1114-1. When combined with the manufacturer’s new controllers, all machine data can be recorded via Ethernet ports and made generally accessible via the internet. www.gefran.com Spring pressure single-disc brakes for servo drives Kendrion presents the new Servo-Line series. Spring pressure single-disc brakes are available in eleven different sizes with holding torques from 0.3 to 130 Nm. To boost performance, the rated air gap tolerance was limited to just a few hundredths of a millimeter by a new manufacturing process. The service life of the brakes can be designed for the relevant requirements depending on the temperature and torque. This makes it possible to cover the temperature range from -15 to 120 °C. In the standard version the brakes can be installed on the flange side or front. Mounting in the engine housing or externally on the bearing plate is also possible. Toothed carrier friction disc connections minimize torsional backlash. The brakes are thus suitable for almost all areas of servo drive applications, for example in automation and robotics, packaging and conveyor technology or in production lines, storage systems and wind power plants. www.kendrion-ids.com Controlling linear axes intuitively via web browser The intuitive dryve controller is now available from Igus for maintenance-free DryLin electric linear axes for stepper and DC motors. No software or app is needed to enter data. Everything is integrated directly into the motor control. Values can be entered or changed live in the web browser using a PC or mobile terminal devices. Access can be password-protected. All data and program steps are saved on the controller and can optionally be saved externally as a parameter file. The controller connected with the axis motor can be mounted in control cabinets on a top-hat rail. Then it can be connected via a WLAN router so that the system can be controlled wirelessly. The user interface is available in German and English with other languages to be offered soon. www.igus.com Compact drive controller with lots of equipment Measuring just 45 mm in width, the SI6 drive controller from Stöber needs very little space in a control cabinet but is still equipped with numerous features. The controllers do not require redundant supply units – the entire series of drive controllers is connected with one central supply module. That also eliminates the fuses and wiring for each individual axis. The controllers are connected with each other via Quick DC-Link modules. With double axis modules, unused power reserves from one axis can be used for other axes. In combination with the EZ401 synchronous servo motor, the controller goes from 0 to 3 000 rpm in 10 ms. It processes encoder information up to 64 bits and calculates without rounding errors. www.stoeber.de/en/stoeber_global/home.html MDA Technologies 5/2016

Innovative drive systems for underwater oil pumping operations Stefan Obst Tailored for complex application requirements like the ones in underwater pumping of oil, the high-tech and customizable drive system from Siemens offers one of the most efficient drive designs, featuring interchangeable modules. The oil and gas industry is continuously on the search for ever increasingly efficient processes. Tar sands, fracking, deep-sea drilling – the demand for reliable solutions grows as the demand for energy increases. In 2015, the Norwegian company, Aker Solutions embarked on an underwater pumping pilot project, with Siemens as its technology partner to provide a reliable drive system well suited for oil and gas industry’s complex application requirement. Six MW installed 1 000 meters below the water surface to pull through one of the most important raw materials in the world. To pump oil from the ocean floor, powerful pumps operated from large oil rigs are required. These floating high-tech islands are indispensable when it comes to pumping oil from the seabed. The Johann Sverdrup oilfield is the largest in the North Sea. Exploitation of this oil field is to start in 2019 – and Aker Solutions is incharge to equip Author: Stefan Obst, Process Industries and Drives, Siemens AG the rigs. This Norwegian company developed the ‘MultiBooster’ underwater pump, which is also suitable for use in deep-sea drilling operations. “With this project, our customers will be able to achieve a higher degree of efficiency and reduce their costs”, explained Jarle Skjetne, Project Manager for the new Aker Solutions test station. “One of the new pumps can replace two existing ones, and further, reduce the pressure in the borehole”, continued Skjetne. A new milestone for underwater drive systems The pump is driven from a liquid-cooled motor, which must provide 6 MW at a speed of 6 000 rpm – representing a new milestone for underwater drive systems. The pressure-power combination – which has not been possible up until now – means that these pumps can be used in deep-sea environments. Aker Solutions is developing the motor and pump prototype for its customers – large international oil corporations. “This pump not only allows customers to pump a mixture of oil and gas to a rig, but also to land. What’s more, it can also be used to inject water in order to increase the pressure in the bore hole and increase the rate at which oil is pumped”, explains Skjetne. The motor and pump prototype was tested in Aker’s new test station in Tranby, Norway. Here, solutions are put through their paces to address some of the most complex challenges in the oil and gas domain. The new Sinamics SM120 CM converter from Siemens is an important component of the station. “In order to carry out tests with a motor as load, a motor that can handle this load is required. The most effective way of testing the system is to have a test stand equipped with two converters”, explained Skjetne. “We are using the Perfect Harmony GH180 converter from Siemens as drive for our submersible motor – and the new Sinamics SM120 CM, to simulate the pump load.” The power generated by the Sinamics MACHINE ELEMENTS MDA Technologies 5/2016

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