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WORLD OF INDUSTRIES - MOTION, DRIVE & AUTOMATION 3/2017

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WORLD OF INDUSTRIES - MOTION, DRIVE & AUTOMATION 3/2017

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Product News PRODUCT NEWS Low cost and lightweight plastic profiles from igus The motion plastics specialist igus has expanded its drylin W modular system and now also offers linear guides with rails made of glass-fibre reinforced plastic. Glass-fibre reinforced plastic (GRP), has a very low weight compared to metallic alternatives, it is 20 % lighter than aluminium and 70 % lighter than steel. The fibre-plastic composite also has a very high media resistance and is non-magnetic. In terms of cost, it is 50 percent cheaper than carbon, which means that the GRP linear guide system is an alternative for use in vehicle and aircraft construction as well as for medical devices or measuring systems. The pairing of GRP and plastic is also suitable for industries where highly dynamic movements play a role, for example robotics. Due to the good media resistance, these linear guide can also be used in an environment with aggressive cleaning agents. It manages completely without external lubrication and is insensitive to dust and dirt. www.igus.com Modular industrial gearboxes from Nord in additional sizes Nord Drivesystems recently launched 2 new gearboxes for nominal torques of 15 and 20 kNm. With these additions to its line-up, Nord now comprises 11 gearbox sizes that deliver output torques up to 250 kNm. Nord’s industrial gear series offers a particularly great variety of configuration options for application-specific drive solutions. The modular product range includes dual-gear setups, auxiliary drives, brakes, torque arms, swing bases, and – as the latest special feature – extruder flanges. Gear ratios can be configured in fine increments from 5.54:1 to over 30,000:1 – with 2, 3, or 4 gear stages, and with an auxiliary primary gear stage if so required. All the gear units feature a single-piece unicase housing that ensures excellent longevity, a very high power density, compact dimensions, and high overload capacities. Combining industrial gear units with motors and drive electronics, Nord configures complete drive systems for heavy-duty operation in conveying systems, pumps, and agitators. www.nord.com Highly flexible flange couplings from KTR in 2 new sizes The german company, KTR has extended the portfolio of its BoWex-Elastic HE series of flange couplings by two sizes. The BoWex- Elastic HE is a flange coupling with high torsional flexibility consisting of a circular elastomer. The rubber element is made of vulcanized natural rubber and stressed for torque-to-bore ratio. It reduces the torsional vibrations occurring in the drive train as well as the cumulative forces and, due to different elastomer hardnesses, the flange coupling can be adjusted to the respective application for a resonance-free operation. The plug-in coupling hub is designed according to the BoWex curved-tooth gear principle and compensates for axial, radial and angular shaft displacements. KTR has now expanded the BoWex- Elastic HE line by the sizes 240 and 275 HE – making the coupling suitable for drives of up to 4,000 and 5,000 kW, transmitting torques of up to 32,000 and 45,000 Nm. These new sizes find their applications in gensets, pumps and compressors. www.ktr.com Parker Prädifa sealing materials for sensitive production processes At the Hannover Messe 2017, the engineering materials group of Parker Hannifin, focused on new developments in the diverse range of materials for sensitive production processes. Purity and stability of the materials used for sealing and packaging in food and pharmaceutical industries are extremely vital. To protect the health of consumers these materials have to comply with specific requirements and high standards. With increasing diversity in the processes in the food and beverage sector, the seals and sealing compounds require special properties like resistance against chemical substances, superheated steam and acids, temperatures, pressures and mechanical loads. This wide range of requirements can be covered from Parker Prädifa’s extensive portfolio of sealing compounds. With pure to ultra-pure materials categorized according to their respective applications in various material groups like EPDM, NBR, FKM, FFKM, TPU, PK, PTFE and metal, Parker Prädifa offers precisely this diversity of possible choices and combinations. www.parker.com/preadifa WORLD OF INDUSTRIESMOTION, DRIVE & AUTOMATION 3/2017

Stauff Line: from components to systems At this year’s Hannover Messe, the company, Stauff, globally renowned manufacturer of pipework equipment and fluid power components, launched the “Stauff Line”, its umbrella brand for all services that it offers in connection with hydraulic lines. The portfolio ranges from the analysis and optimization of systems to the supply of components or customized units directly to the assembly or production lines. Procurement of assemblies, including manipulated tube and pre-assembled hydraulic hose, offers a number of benefits to OEM, such as reducing procurement costs, stock levels, installation times and the risk of assembly errors. Recently, the company has systematically expanded its product range with the launch of the Stauff Connect range of tube connectors and the acquisition of Voswinkel GmbH in 2015. Voswinkel is one of the leading manufacturers of quick release couplings for hydraulic systems and also produces a comprehensive range of hose connectors. The recently showcased concept “Stauff Line” is the result of an integrated approach, after evolving as a complete provider of all components for hydraulic lines, the company is now taking the next step to become a system supplier. www.stauff.com Highly competent oldham couplings for actuator driven systems Oldham couplings from the American company Ruland, have a balanced design, zero-backlash, and can accommodate all forms of misalignment, making them an ideal fit for screw driven actuator applications. Their balanced design reduces the vibration at high speeds, hence useful in applications that are sensitive to even minor vibrations. They are electrically isolated due to the non-conductive nature of the center disk, that prevents electrical currents from being passed on to the sensitive equipment. These couplings are made from two black anodized aluminum hubs that mate to a center disk, which allows for a highly customizable coupling. Ruland uses a hub machining process that leaves a smoother surface for interaction between the hub and disk, resulting in long life and reduced downtime. The disk is available in acetal for zero-backlash and high torque capacity. In the event of wear or failure the disk can be replaced, restoring the original performance characteristics to the coupling. Oldham couplings also act as a mechanical fuse during torque overload situations, with the disk cleanly breaking and stopping power transmission. www.ruland.com NSK introduces new variants in its long-life ball bearing series Almost two years after NSK first introduced its ‘Bneqartet’ series of deep groove ball bearings, the company is now adding new variants to the series with external diameters of up to 120 mm. Developed first as solution for drum bearings found on the front-loading washing machines, NSK’s ‘Bneqartet’ series of bearings are subject to out-of-balance loads. Here, the demand for bigger-drum machines was driving the need for bearings with improved load capacity and performance. Materials specialists at NSK developed a special steel with improved alloy composition to effectively prevent the initiation and propagation of cracks and indentations on the raceways of the bearings. An exceptionally pure steel alloy was developed to help eliminate this issue. Apart from washing machine manufacturers, ‘Bneqartet’ deep groove rolling bearings are particularly advantageous for industrial machines with bearings that are burdened with high loads and operate in moisture-rich environments. www.nskeurope.com © KUKA KA Roboter GmbH Brake technology 4.0 for maximum demands ROBA ® -servostop —compact, high performance-density safety brake for robot joints www.mayr.com your reliable partner MAYR-Englisch.indd 1 27.04.2017 09:16:39 WORLD OF INDUSTRIESMOTION, DRIVE & AUTOMATION 3/2017

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