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The development approach for energy storage systems focuses on optimally sized capacitor modules to reduce peak power and to avoid energy recovery of production machines. Using servo presses as an example, the application of two different energy storage systems in the DC link is practically examined. A simulation model in Matlab/Simulink and a test stand of a servo press are proposed for representing...
Requirements are constantly rising for friction and wear reduction of moved components in combustion engines. Numerical simulations and investigations have demonstrated the potential of microstructured surfaces at tribological highly stressed sliding contacts, in particular the cam- tappet contact area. Using the innovative cutting process of single-grain scratching, the microstructures shall be implemented...
Hard-face claddings are used for banding drill shafts that rotate against well casings while lubricated by drilling mud. This tribosystem should have the lowest friction possible in order to minimize drilling power requirements, and the lowest total system wear to maximize component life. Blocks representing a variety of hard-face claddings were slid against rotating rings of AISI 4140 casing material...
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