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Performance and noise analysis of vibratory feeder using dynamic rubber spring model
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science ( IF 2 ) Pub Date : 2019-10-25 , DOI: 10.1177/0954406219884967
Chitransh Singh 1 , Madan Lal Chandravanshi 1
Affiliation  

In vibratory feeder, material feeding occurs due to the vibration of a trough mounted on helical springs. High vibration amplitude of trough causes the springs to jump and usually results in higher noise level generation and increase in force transmissibility in the support structure of the feeder. Reducing this noise without having significant changes in the dynamics of the feeder unit is a major challenge in the present industries. This paper presents a dynamic rubber spring model for vibratory feeders to reduce the noise level and the force transferred to the support structure of the feeder. Measurement of dynamic parameters such as vibration amplitude and magnitude of force transmitted to support structure, noise level, and conveying speed of particle analyses have been conducted experimentally on vibratory feeder with and without rubber gasket installed at spring support structure. The use of rubber gaskets at spring supports and their implication on force transmissibility and noise level of feeder is established experimentally. The performance analysis of feeder was also conducted using particle conveying speed on trough for different setups of feeder unit. It was found that the introduction of rubber gaskets at spring supports of the feeder increases the system damping, which helps in noise reduction as well as reduced amplitude of vibration and higher acceleration of trough. The increased acceleration leads to higher particle conveying velocity on the feeder trough.

中文翻译:

基于动态橡胶弹簧模型的振动给料机性能及噪声分析

在振动给料机中,由于安装在螺旋弹簧上的槽的振动而发生材料给料。槽的高振幅会导致弹簧跳动,通常会导致更高的噪音水平和馈线支撑结构中力传递率的增加。在不显着改变馈线单元的动态的情况下降低这种噪音是当前行业的主要挑战。本文提出了振动给料机的动态橡胶弹簧模型,以降低噪音水平和传递到给料机支撑结构的力。动态参数的测量,例如振动幅度和传递到支撑结构的力的大小、噪音水平、在弹簧支撑结构安装和不安装橡胶垫片的振动给料机上进行了颗粒分析和输送速度的实验。橡胶垫圈在弹簧支架上的使用及其对馈线的力传递和噪声水平的影响是通过实验建立的。还对给料机的不同设置使用槽上的颗粒输送速度进行了给料机的性能分析。发现在馈线弹簧支架处引入橡胶垫圈增加了系统阻尼,这有助于降低噪声以及降低振动幅度和提高槽的加速度。增加的加速度导致进料槽上更高的颗粒输送速度。橡胶垫圈在弹簧支架上的使用及其对馈线的力传递和噪声水平的影响是通过实验建立的。还对给料机的不同设置使用槽上的颗粒输送速度进行了给料机的性能分析。发现在馈线弹簧支架处引入橡胶垫圈增加了系统阻尼,这有助于降低噪声以及降低振动幅度和提高槽的加速度。增加的加速度导致进料槽上更高的颗粒输送速度。橡胶垫圈在弹簧支架上的使用及其对馈线的力传递和噪声水平的影响是通过实验建立的。还对给料机的不同设置使用槽上的颗粒输送速度进行了给料机的性能分析。发现在馈线弹簧支架处引入橡胶垫圈增加了系统阻尼,这有助于降低噪声以及降低振动幅度和提高槽的加速度。增加的加速度导致进料槽上更高的颗粒输送速度。发现在馈线弹簧支架处引入橡胶垫圈增加了系统阻尼,这有助于降低噪声以及降低振动幅度和提高槽的加速度。增加的加速度导致进料槽上更高的颗粒输送速度。发现在馈线弹簧支架处引入橡胶垫圈增加了系统阻尼,这有助于降低噪声以及降低振动幅度和提高槽的加速度。增加的加速度导致进料槽上更高的颗粒输送速度。
更新日期:2019-10-25
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