Vibration analysis of a bucket wheel excavator boom using rayleigh’s damping model

• Autorzy: Popescu Florin Dumitru , Radu Sorin Mihai , Kotwica Krzysztof , Andraș Andrei , Kertesz (Brînaș) Ildiko , Dinescu Stela

Identyfikatory

DOI

10.2478/ntpe-2019-0024

• Języki publikacji: EN

Abstrakty

EN

For the ERc 1400-30/7 type bucket wheel excavator (BWE) used in various Romanian open pit mines, a virtual model of the boom was constructed in SolidWorks. On this model, the variable in time forces acting during the excavation process were simulated, and the time history analysis (time response) was performed. This dynamic time response analysis was performed for excavation of homogenous material only, considering the damping as being of Rayleigh’s type, where the damping matrix is a linear combination of the mass and stiffness matrices. Based on the conducted analysis, the displacements of the boom during excavation were observed.

Słowa kluczowe

EN

bucket wheel excavator; damping; frequency response; modal analysis; resonance

PL

wielonaczyniowa koparka kołowa; tłumienie; pasmo przenoszenia; analiza modalna; rezonans

• Wydawca: STE GROUP ; De Gruyter
• Czasopismo: New Trends in Production Engineering
• Rocznik: 2019
• Tom: Vol. 2, Iss. 1
• Strony: 233--241
• Opis fizyczny: Bibliogr. 7 poz., rys., tab.

Twórcy

autor

Popescu Florin Dumitru

• University of Petroșani, Romania

autor

Radu Sorin Mihai

• University of Petroșani, Romania

autor

Kotwica Krzysztof

• AGH University of Science and Technology, Poland

autor

Andraș Andrei

• University of Petroșani, Romania

autor

Kertesz (Brînaș) Ildiko

• University of Petroșani, Romania

autor

Dinescu Stela

• University of Petroșani, Romania

Bibliografia

• 1. Nan, M.S. (2007). Parametrii procesului de excavare la excavatoar ele cu rotor. Petroşani: Universitas.
• 2. ROMINEX S.A. (2007). Excavatorul cu roatăportcupe ERc 1400 - 30/7 modernizat, instrucţiuni de exploatare, întreţinereşireparaţii. Timişoara.
• 3. Vîlceanu, V.F. (2018). Studiulduratei de viaţăpentruutilajele de extragereşidepunereîndepozite, utilizateîncarierele din bazinulOlteniei, PhD. University of Petroșani.
• 4. Radu, S.M., Popescu, F.D., Andraș, A., Kertesz, (Brînaş) I. (2018). Simulation and modeling of the forces acting on the rotor shaft of BWEs, in order to improve the quality of the cutting process. Annals of the University of Petroşani, Mechanical Engineering, 20, pp. 63-72.
• 5. Kurowski, P.M. (2016). Vibration Analysis with SOLIDWORKS® Simulation. Mission: SDC Publications.
• 6. C. T. Sun, J. N. Juang (1985), - Modeling Global Structural Damping in Trusses Using Simple Continuum Models, AIAA JOURNAL, VOL. 24, NO. 1, pp. 144-150;
• 7. Kurowski, P.M. (2015). Engineering Analysis with SOLIDWORKS® Simulation. Mission: SDC Publications.