Volumetric Vibration Treatment of Machine Parts Fixed in Rotary Devices

Borovets, Volodymyr; Lanets, Oleksiy; Korendiy, Vitaliy; Dmyterko, Petro

doi:10.1007/978-3-030-68014-5_37

Cited by 12 publications

(9 citation statements)

References 15 publications

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“…The present paper continues the authors' previous investigations, particularly those presented in [13]- [15]. Unlike the paper [13] studying the volumetric vibration finishing treatment, in [14] there is proposed and investigated a novel design of the vibratory lapping machine with circular oscillations of the working plates (the lap and the carrier with the parts being treated). The paper [15] is focused on studying the dynamic behavior of the vibratory plate compactor equipped with the crank-type inertial vibration exciter.…”

Section: Introductionmentioning

confidence: 63%

“…In [12], the kinematics of the abrasive medium during the vibratory finishing process is studied, and the material removal intensity model is proposed and experimentally tested. Another mathematical model describing the process of the volumetric vibration finishing treatment of various machine parts fixed in the rotary devices is derived and numerically solved in [13]. In most cases, the vibratory operational principles are implemented in the bowl-type finishing machines, whilst for the lapping and polishing operations on the flat surfaces the traditional planetary-type equipment is usually use.…”

Section: Introductionmentioning

confidence: 99%

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Dynamics and control of vibratory finishing machine with translational motion of lapping-polishing plates

Korendiy¹,

Kachur²,

Zakharov³

et al. 2022

Vib. proced.

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The lapping and polishing operations are of the most important ones considering the finishing treatment of machine parts. These operations can be performed by numerous methods, among which the vibration-driven ones are of the most widespread. The present paper is focused on studying the dynamic behavior of the vibratory finishing machine providing the single-sided lapping and polishing of flat surfaces of cylindrical and prismatic parts. The major scientific novelty of this research consists in an improved control technique of generating the translational oscillations of the lapping (polishing) plates by means of implementing the double-magnet excitation system. In order to investigate the machine’s double-mass vibratory system dynamics, the corresponding mathematical model is developed using the Lagrange-d’Alembert principle. The numerical modeling is carried out with the help of the Mathematica software and presents the time dependencies of the lapping (polishing) plates kinematic parameters. The simplified experimental prototype of the vibratory lapping machine is developed and tested under different operational conditions. The proposed design ideas and obtained theoretical and experimental results can be effectively used by the designers of lapping and polishing equipment, as well as by the technologists implementing new techniques of finishing treatment.

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Section: Introductionmentioning

confidence: 63%

Section: Introductionmentioning

confidence: 99%

Dynamics and control of vibratory finishing machine with translational motion of lapping-polishing plates

Korendiy¹,

Kachur²,

Zakharov³

et al. 2022

Vib. proced.

Self Cite

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“…It is widely used in the foundry production of mass-produced elements which require repeatability of results [2,3]. These objects are often small, with relatively small dimensions and have complicated macro geometry [4]. The great advantage of container processing is the possibility of processing many items at the same time [5].…”

Section: Introductionmentioning

confidence: 99%

Influence of Cold Work on the Efficiency of Vibratory Machining

Bańkowski,

Spadło

2024

Archives of Foundry Engineering

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The aim of the article was to determine the impact of crushed condition (work hardening) on the effectiveness of the vibratory machining. The vibratory machining processing was carried out in two steps. The first step consisted of mechanical abrasion and remove oxides from the surface of the workpieces with abrasive media. While in the second step, smoothing - polishing with metal media was performed. Vibratory polishing also strengthened the treated surfaces. The test results were compared for samples in the crushed state (work hardening, plastic processing) and samples subjected to recrystallization annealing heat treatment. Mass losses, changes in the geometric structure of the surface and changes in the hardness of the machining surfaces were analyzed. Samples subjected to recrystallization, as compared to the samples in the state after work hardening-plastic working, are characterized by a slightly higher arithmetic mean surface roughness and lower surface hardness than for analogous processes for samples not subjected to heat treatment. Heat treatment of annealing allows to remove the effects of crushing and thus it is possible to obtain larger mass losses. Smaller burrs dimensions were obtained for samples after the heat treatment – annealing than after work hardening.

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“…Another field of investigations, e.g. [4,5], is dedicated to the optimization of the vibratory equipment design and operational parameters with the purpose of providing improved performance or meeting the increased technological requirements. The influence of different factors on vibratory screening accuracy is comprehensively studied in [6].…”

Section: Introductionmentioning

confidence: 99%

Dynamics of a vibratory screening conveyor equipped with a controllable centrifugal exciter

Kachur¹,

Korendiy²,

Lanets³

et al. 2023

Vib. proced.

Self Cite

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Vibratory screening, sieving, and conveying processes are widely used in various industries. Among a great variety of vibration exciters, the unbalanced rotors are the most reliable, simple, and widespread ones. Due to the changeable operating conditions of vibratory equipment, in some cases, there occurs a necessity to control the disturbance (excitation) parameters of the corresponding drives. The primary purpose of this study is to substantiate the design parameters and analyze the dynamic characteristics of the vibratory screening conveyor based on the single-mass oscillatory system, and equipped with the controllable centrifugal exciter. The research methodology consists of several basic stages: developing the conveyor’s dynamic diagram and deducing the differential equations of the system’s motion; designing the machine’s 3D-model and defining its main geometrical and inertial parameters; numerical modeling of the system’s oscillations in the Mathematica software; simulating the conveyor’s operation in the SolidWorks software. The research results present the time dependencies of the conveyor’s working member kinematic parameters at different eccentricities of the unbalanced mass. The main scientific novelty of this research is substantiating the idea and possibilities of implementing the enhanced controllable centrifugal exciter for changing the disturbance (excitation) conditions of the vibratory screening and conveying machines. The proposed ideas and obtained results can be used by researchers and designers of similar equipment while developing control systems for regulating its operational efficiency (performance) in accordance with the changeable loading conditions or technological requirements.

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Volumetric Vibration Treatment of Machine Parts Fixed in Rotary Devices

Cited by 12 publications

References 15 publications

Dynamics and control of vibratory finishing machine with translational motion of lapping-polishing plates

Dynamics and control of vibratory finishing machine with translational motion of lapping-polishing plates

Influence of Cold Work on the Efficiency of Vibratory Machining

Dynamics of a vibratory screening conveyor equipped with a controllable centrifugal exciter

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