Abstract and keywords
Abstract (English):
The analysis of the dynamics of the hydraulic cylinder of the manipulator of lift-ing machines in the vibration load mode was performed, as a result of which the tensile strength condition was obtained and the dependencies for determining the maximum load on the working surfaces of the hydraulic cylinder were derived.

Keywords:
alternating stresses, hydraulic cylinder, endurance limit, disturbing force, rigidity, working fluid
References

1. Osnovy teorii kolebaniy mehanicheskoy sistemy / V.K. Hegay, D.N. Levitskiy, O.N. Harin, A.C. Popov. – Uhta : UGTU, 2002. – 108 s.

2. Teoriya, konstrukciya i raschet stroitel'nyh i dorozhnyh mashin : uchebnik dlya tehnikumov / L.A. Goberman [i dr.]. – M. : Mashinostroenie, 1979. – 407 s.

3. Darkov A.V. Soprotivlenie materialov / A.V. Darkov, G.S. Shpiro. ‒4-e izd. ‒ M. : Vysshaya shkola, 1975. ‒ 657 s.

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