Abstract
Gearing is one of the most critical components in mechanical power transmission systems. This article examines the various stresses and deflection developed in sun gear tooth of planetary gearbox which is used in Grabbing Crane. Article includes checking sun gear wear stresses and bending stresses using IS 4460 equations. Also calculate various forces acting on gear tooth. In this study, perform the calculation for sun gear tooth to calculate bending, shear, wear & deflection using theoretical method. 3D model is created of circular root fillet & trochoidal root fillet of gear tooth for simulation using ProE Wildfire 3. In Pro-E, the geometry is saved as a file and then it is transferred from Pro-E to ANSYS 10 in IGES format. The results of the 3 D analyses from ANSYS are compared with the theoretical values. Comparison of ANSYS results in circular root fillet & trochoidal root fillet also carry out.
Highlights
In spite of the number of investigations devoted to gear research and analysis there still remains to be developed, a general numerical approach capable of predicting the effects of variations in gear geometry, shear, wear and bending stresses
This article examines the various stresses and deflection developed in sun gear tooth of planetary gearbox which is used in Grabbing Crane
ANSYS results for various stresses & deflection are nearer to theoretical values for sun gear of planetary gear system of grabbing crane
Summary
In spite of the number of investigations devoted to gear research and analysis there still remains to be developed, a general numerical approach capable of predicting the effects of variations in gear geometry, shear, wear and bending stresses. The objective of this work is to use ANSYS to develop theoretical models of the behavior of planetary gears in mesh, to help to predict the effect of gear tooth stresses and deflection. 2) Force calculations for planetary gear 3) Calculate the values for sun gear tooth for bending, shear, wear & deflection using theoretical method. Singh [4] developed a program using ANSYS Parametric De- sign Language (APDL) to generate 1, 3 or 5 tooth segment finite element models of a large spur gear.
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