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The paper presents the study of relationships on shear strength of the cutting speed. Tests were performed for three speeds: 5, 33 and 120 rpm knife shaft. A mathematical formula for calculating the deformation of crushing and providing sufficient practical accuracy was proposed.
The article is devoted to the research aimed at developing an electronic model of a cylinder liner. Its wear due to cavitation was examined using the linear mechanical chains method. The results showed that the magnitudes of vibration parameters when testing physical and electronic models were adequate.
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