VIBRATION EQUIPMENT FOR APPLYING OF OIL-RETAINING HOLES ON THE STUB SHAFTS


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Abstract

One of the main issues of modern manufacturing engineering is the development of actions and creation of equipment for machine durability improvement within the speed range and hard loading operational modes. For today, the task of provision of the parts bulk strength under the ordinary working conditions is considered to be nearly resolved. That is why the surface layer state, its wear resistance and lubricating conditions are of great importance now. The task of improvement of oil-retaining property of sliding surfaces is essential for machines of various purposes.   

The paper presents the results of analysis of existing equipment for oil-retaining profiles applying and determines its weak points. The authors offered new design of vibration equipment referred to the technology of applying of oil-retaining holes on the sliding surfaces in order to decrease the friction forces and the wear of inner surface of friction bearing bush, and can be used in various branches of machine-building complex. The authors developed experimental equipment, measuring equipment and the research technique. To carry out comparative study the samples of friction couples were created. The authors carried out the study of working capacity of friction units without holes and with holes on the stub shafts using the method of assessment of size of inner bush surface wear scar. Proposed design of vibration equipment for applying of oil-retaining holes on the stub shafts allows increasing flow rate and, consequently, the metal balls impact force due to the use of inverted valve. The increase of vibration frequency will make it possible to increase the efficiency of the process of oil-retaining profile applying. The study proved the working capacity of suggested equipment and showed the decrease of friction couple wear.

About the authors

Aleksey Anatolievich Gordeev

Khmelnytskyi National University, Khmelnytskyi

Email: fake@neicon.ru

engineer of scientific research department

Ukraine

Anatoliy Konstantinovich Karmalita

Khmelnytskyi National University, Khmelnytskyi

Email: fake@neicon.ru

PhD (Engineering), Professor, Professor of Chair “Machines and apparatus”

Ukraine

Anatoliy Ivanovich Gordeev

Khmelnytskyi National University, Khmelnytskyi

Author for correspondence.
Email: aigordeev54@mail.ru

Doctor of Sciences (Engineering), Professor, Professor of Chair “Engineering technology”

Ukraine

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