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(Munich, March 15, 2017) KraussMaffei has optimized its range of linear small robots. The new LRX 50, LRX 100 and LRX 150 have been specifically designed to satisfy the criteria of availability, precision and productivity. Thanks to the numerous new features, the secondary process times and thus the entire cycle times can be considerably reduced.
New synchronized assembly ensures fast delivery times
For the production of the new small robot series, KraussMaffei Automation uses the new synchronized assembly at the Schwerin location. "We therefore offer our customers fast delivery times, high quality thanks to production from a single source, and fast service and retrofitting service, for example spare part stocking," explains Thomas Marufke, Managing Director of KraussMaffei Automation. The new generation of linear small robots complements the system competence of KraussMaffei in automation, which also includes industrial robots and sprue pickers. The new LRX 50, LRX 100 and LRX 150 can be combined individually with all hydraulic and all-electric injection molding machines with clamping forces from 350 to 6500 kN.
Progressive design ensures high availability
The modern industrial design of the new generation of small robots was specifically aimed at increasing reliability against failure. The decentralized switching cabinet design thus ensures easy access and flexibility, for example in event of maintenance or when retrofitting sensors or additional media circuits. A revised thermal and protective concept for the electronic components with protection class IP 54 ensures high availability and safety. Furthermore, rack and pinion drives instead of toothed belts result in a high level of precision in rapid axis movements. The media lines and the electronics system are protected on the Y axis by quick-change covers. Furthermore, a central media portal allows fast gripper changing and supports production with frequent product change-overs.
Additional powerful components complement the good accessibility and productivity of the new generation of linear small robots. The new axis design thus allows free access for plasticizing and material supply. A new compact design of the servo-driven hand axes makes possible minimal opening strokes, an additional blow-off function after the components are held using a vacuum ensures rapid depositing. "Overall, the secondary process times can be significantly reduced, which, in turn, shortens the total cycle times," says Marufke.
Energy-efficient and cost-effective
KraussMaffei pays special attention to energy-efficiency and cost-effectiveness in all handling systems. This also applies to the new LRX small robots. For example, the new digital vacuum monitoring system with integrated air-saving function makes it possible to reduce compressed air requirements by up to 90 per cent. The additional function for leakage monitoring reports malfunctions during operation, thus allowing the planned maintenance of the system.
With the aim of handling greater loads with smaller devices, the design of the servo-driven hand axes has been revised. The objective was to reduce the device's own weight and thus increase the remaining load capacity of the robot. Thanks to the new lightweight design of the robot's main axes, in addition the mass to be moved by the respective individual axis was reduced. Overall, the work can now be performed with smaller drive units, thus reducing energy consumption.
» Download: Photo: The new generation of LRX small robots from KraussMaffei: The progressive design with the decentralized control cabinet concept and free-standing X axis offers greater scope for maintenance and service during production