Abstract
The article shows that one of the most significant factors influencing a decrease in the accuracy of parts achieved during machining is the occurrence of technological residual stresses, leads to significant changes in their geometric shape. The paper reveals technological aspects of vibration stabilizing processing of parts, presents methods of its implementation, and considers possible methods of its implementation and its influence on the change in residual stresses of parts of low rigidity. The ways of increasing the efficiency of vibration stabilizing treatment ensuring its application to stabilize the quality of parts and, as a consequence, the service life of aircraft.
Highlights
Improving the reliability and durability of aircraft products is the basis for increasing the competitiveness of these products both within the Russian market and abroad
One of the most significant factors is the occurrence of technological residual stresses, which lead to significant changes in their geometric shape [1, 2]
The results of theoretical and experimental studies carried out in this direction [5, 6] make it possible to single out vibration stabilizing treatment (VST) as a promising method of stabilizing treatment of aircraft parts, which has a number of advantages over other technological methods, the disclosure of which is the purpose of this article
Summary
Improving the reliability and durability of aircraft products is the basis for increasing the competitiveness of these products both within the Russian market and abroad The design of such types of products includes groups of highly loaded parts that have a complex shape, large dimensions, limited rigidity and high requirements for the parameters of the surface quality and subsurface layer. As examples of such parts, one can imagine the following: a spar of a helicopter main rotor blade, elements of an aircraft wing and fuselage (panels), parts of turbojet engines and power plants, and others (Fig. 1). One of the most significant factors is the occurrence of technological residual stresses, which lead to significant changes in their geometric shape [1, 2]. The results of theoretical and experimental studies carried out in this direction [5, 6] make it possible to single out vibration stabilizing treatment (VST) as a promising method of stabilizing treatment of aircraft parts, which has a number of advantages over other technological methods, the disclosure of which is the purpose of this article
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