Abstract
The structures of manipulators of modern logging machines are subject to a wide variety of requirements related to the implementation of the functions of these machines, as well as the technology of manufacturing, operation and disposal of structures. The leading requirements are to ensure high strength and operational reliability under a wide range of loads, high and low temperatures. In this case, it is necessary to obtain the minimum metal consumption of the design product. Structural optimization, in particular, topological optimization, should be used when 9designing manipulators for logging machines. The use of topological optimization makes it possible by calculation to carry out the redistribution of material in the calculation area of the design product, taking into account the required conditions. The use of Altair Inspire 2018.3 software tools makes it possible to reduce the weight of the designed structural element of the hydraulic manipulator of the forestry machine by 39%. At the same time, acceptable indicators of tensile strength, deformation, and standard safety factors are provided.
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