DOI: https://doi.org/10.20998/2078-7405.2020.93.06

THE EFFECT OF A SHOCK WAVE IN AN OSCILLATING WORKING MEDIUM DURING VIBRATION FINISHING-GRINDING PROCESSING

Andrii Mitsyk, Vladimir Fedorovich, Anatoly Grabchenko

Abstract


The propagation of a force pulse in a working medium is considered as in a pseudo-gas, that is, the speed of sound. The movement of parts in the working medium is determined. The mechanism of the appearance of a weak shock wave, that is, a jump of the compaction in a pseudo-gas from abrasive granules is considered. The nature of the interaction of the surfaces of vibrating processed parts with granules of the working medium has been established. The characteristic of the Hugoniot adiabatic curve for pseudo-gas from granules of the working medium is given. The influence of the occurrence of a shock wave on the vibration treatment process is determined. The adequacy of theoretical and experimental studies has been established.

Keywords


vibration treatment; working medium; processed parts; force impulse; shock wave; kinetic energy; thermodynamic parameters.

References


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Pat. na korisnu model' № 133705 Ukraina, MPK V24V 31/06. Sposіb vіbroobrobki detalej / Mitsyk A.V; zajavnik ta patentoobladach SNU іm. V. Dalja. № u201808772; zajavl. 16.08.2018; opubl. 25.04.2019, Bjul. № 8.

Pat. na korisnu model' № 133708 Ukraina, MPK V24V 31/06. Sposіb ozdobljuval'no-zachishhuval'noї obrobki vіl'nim abrazivnim seredovishhem / Mitsyk A.V; zajavnik ta patentoobladach SNU іm. V. Dalja. № u201808775; zajavl. 16.08.2018; opubl. 25.04.2019, Bjul. № 8.