Next, Block Lanczos technique was used to extract first 4 natural frequencies and mode shapes of themodel. The FE model consists of 146,164elements. Solid 3-D model of the gearbox casing component was meshedusing sizing of 2 mm (3-D 10-Node Tetrahedral Structural solid element). Material properties of Aluminium alloy, gradeIS 4223 & BS LM 4 were selected from PSG Coimbatore 1978 having Fatigue properties from MIL-HNBK-5H pages 3-277.

ANSYS workbench 12Â® wasused for pre-processing, solving and post processing. The 3-D solid model of the gearbox casing component was build using PTC ProEngineer 5Â®. MODELLING AND FINITE ELEMENT ANALYSIS OF GEARBOX CASING COMPONENT. The good agreement between the analytical model and the experimental measurements confirmed the accuracy of the dynamic representation of the test gearbox. Also, the simulated mode shapes were very similar to the experimental modes shapes. It was found that the natural frequencies of the simulated results were within 5 percent of the experimental values. Nigade have compared gearbox casing mode shapes and vibration predictions obtained from analytical model with those of experimental results obtained from the test rig at the Kirloskar Pneumatic Co Ltd., Pune, Maharashtra, India. Several authors have analysed using commercial software as well as experimentally, few of them presented as follows Analysis of gearbox casing is very essential in order to decide appropriate dimensions and to predict the behaviour of casing under different operating conditions. Since the gearbox application is for high speed (typically 800RPM to 3200RPM), failure of casing may lead to major primary damage of the gearbox. The function of gearbox casing is to accommodate and support power train. The casing of gearbox is an important component in a synchromesh gear box. Key Words: FEA, Modal Analysis, Gearbox Casing, Natural Frequency, Mode Shape, Modal test. The results are in close agreement with both experimental and results using analytical approach. The mass and stiffness matrices are then determined by exact analytical integration. This is representative of certain key components of complex structures used in Automotive and Production Industries. From the result this analysis can show the range of natural frequencies of gearbox casing component with maximum amplitude of it. By finding natural frequency of the Gearbox casing component in order to prevent resonance for gearbox casing component. & T., Bhusawal, Maharashtra, India.Ībstract-This Paper is concerned with the application of ANSYS software and also FFT analyser to determine the natural vibration modes and find the free frequency of the Gearbox casing. V.2 1Research Scholar of Mechanical Engineering Department 2Associate Professor of Mechanical Engineering Department S.S.G.B.C.O.E. Vibrational Analysis of Gearbox Casing Component using FEA Tool ANSYS and FFT Analyserīagul A.

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