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Buckets are a vital substructure of all digging machines, and are intended for the realisation of the fundamental machine function - soil excavation. This paper presents the results of the experimental-numerical investigation of the cause of the bucket wheel excavator SRs 470 buckets failure. The chemical composition and mechanical properties, the impact toughness, hardness, tendency to cracks and...
Bolt-flange joint structure is a complex nonlinear system. A three-dimensional finite element analysis on the mechanical behavior of bolted joints under the external applied load with considering the contact of the joints interfaces is presented. The results are compared with the traditional linear finite element analysis which makes the flange surfaces fixed together. It is shown that the linear...
Permanent-magnet-assisted salient-pole synchronous machines (PMa-SMs) have the ability to increase the terminal voltages as compared with conventional salient-pole synchronous machines. This paper investigates the main cause of the voltage increase under no-load conditions. The rotor and the stator flux components produced by permanent magnets (PMs) in a PMa-SM are computed by linear finite element...
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