Dynamics of part motion on a linear vibratory feeder

Balaji, B.; Burela, Ramesh Gupta; Ponniah, Ganeshthangaraj

doi:10.1177/09544062211012711

Cited by 5 publications

(3 citation statements)

References 43 publications

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“…Theoretical and experimental investigations have shown that the theory of a material point moving on a vibrating surface with dry friction describes with sufficient accuracy the process of vibratory conveying of piece products [2,[13][14][15][16]. This paper continues the previous author's study [7,12], where the vibratory conveying with longitudinal harmonic and polyharmonic normal oscillations was considered.…”

Section: Equations Of the Motion Of A Materials Point On The Vibratin...supporting

confidence: 55%

Vibratory Conveying by Normal Oscillations with Piecewise Constant Acceleration and Longitudinal Harmonic Oscillations

2024

IJEM

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Vibratory conveying of a material point by harmonic longitudinal oscillations and normal oscillations with a piecewise constant acceleration of an inclined conveying surface is considered. The dependence of dimensionless conveying velocity (a ratio of velocity to the product of frequency and amplitude of longitudinal oscillations) on several dimensionless parameters is investigated in the moving modes without hopping.Maximal conveying velocity is achieved at a certain value of phase difference angle between the longitudinal and normal oscillations, which is called optimal. The equations for determining the optimal phase difference angle are obtained. The values of dimensionless conveying velocity and optimal phase difference angles depend on dimensionless parameters: the inclination angle parameter, the intense vibration parameter, and the index of asymmetry of normal oscillationsthe ratio of the maximal acceleration to the gravitational acceleration.Comparison of vibratory conveying by normal oscillations with piecewise constant acceleration to conveying by normal polyharmonic oscillations shows an increase in conveying velocity with the index of asymmetry, equal to the number of harmonics, especially at large inclination angles of a conveying track. For further research, it is proposed to verify the obtained theoretical results through experimental studies.

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Section: Equations Of the Motion Of A Materials Point On The Vibratin...supporting

confidence: 55%

Vibratory Conveying by Normal Oscillations with Piecewise Constant Acceleration and Longitudinal Harmonic Oscillations

2024

IJEM

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“…Researchers have explored the stick-slip phenomenon that occurred during the conveying of parts in vibratory motion (Mayyas, 2021). A study on the dynamics of part motion on linear vibratory feeders is essential aspect in determining the part orientation and design of trap module (Balaji et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Investigation on orientation effects of modified rocker arm for vibratory part feeder in assembly automation

R.¹,

Mayilswamy²,

Prabukarthi³

et al. 2023

IJPSQ

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Linear part feeder is used in assembly automation to arrange and orient the parts for assembly, loading, packing, etc. For designing the trap, the natural resting orientation or most probable orientation of the component is to be found initially. The natural resting orientation of the component can be identified by using both theoretical and practical methods. After determining the resting orientation, the trap is designed based on the various gating tool's impact on part transition in motion using the principle of the Markov chain model which is simulated using dynamic simulation software, and part motion time is investigated for the proposed model. In this work, the natural resting orientation of an asymmetric part, the rocker arm is identified, and based on this orientation trap is designed for the linear part feeder. From the study, group C has been identified as the most probable orientation with a probability of 0.62 in the stability method, 0.71 in the centroid solid angle method and 0.61 in an experimental drop test. The dynamic simulation of average part motion time for group A, group B and group C is 14.9 seconds, 11.8 seconds and 8.9 seconds respectively.

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“…In this case the authors have modelled the part motion on a parametric surface and validated the results. 18 The path can also be curved in instances where the parts were conveyed in a rotating unit with blades. 19 But in a bowl feeder the part motion is always curved as the part moves up a spiral track.…”

Section: Introductionmentioning

confidence: 99%

Part dynamics in the intermediate regime of a linear vibratory feeder

Boopathi

Burela

Ponniah

2022

Proceedings of the Institution of Mechanical Engineers, Part E:

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Linear vibratory feeder is one of the most extensively used part feeding systems in a production line. The part motion on the feeder can be sliding or hopping or a combination of these two. Based on the dynamics of part motion this paper identifies three distinct regimes. A mathematical model was developed that can predict the trend in conveying velocity in these regimes. This model can provide the parts position as a function of time and has considered relative displacement between the part and the conveying surface. The simulation was validated by performing experiments for a range of vibration frequencies and amplitudes.

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Dynamics of part motion on a linear vibratory feeder

Cited by 5 publications

References 43 publications

Vibratory Conveying by Normal Oscillations with Piecewise Constant Acceleration and Longitudinal Harmonic Oscillations

Vibratory Conveying by Normal Oscillations with Piecewise Constant Acceleration and Longitudinal Harmonic Oscillations

Investigation on orientation effects of modified rocker arm for vibratory part feeder in assembly automation

Part dynamics in the intermediate regime of a linear vibratory feeder

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