Comparison of Bending Stresses for Different Face Width of Helical Gear Using AGMA and ANSYS

Musa Alhaji  Ibrahim; Auwalu Yusuf  Gidado; Aminu  Hussein; Nafisa  Tijjani

Authors

Musa Alhaji Ibrahim Department of Mechanical Engineering, Faculty of Engineering, Kano University of Science and Technology, Wudil, Nigeria
Auwalu Yusuf Gidado Department of Mechanical Engineering, Faculty of Engineering, Kano University of Science and Technology, Wudil, Nigeria
Aminu Hussein Department of Mechanical Engineering, School of Technology, Kano State Polytechnic, Nigeria
Nafisa Tijjani Department of Mechanical Engineering, School of Technology, Kano State Polytechnic, Nigeria

Keywords:

helical gear, modeling, pro/engineer, bending stress, face width, AGMA, FEM

Abstract

Helical gears are widely used in industry where the power transmission is required at heavy loads with smoother and noiseless operation. The design of helical gear is complex requiring superior software skills for modelling and analysis. This problem is resolved by using Pro/Engineer and ANSYS environment that provide equivalent results to the AGMA. In this paper, helical gear was modelled using Pro/Engineer wildfire 4.0 and stress analysis of the helical gear was carried out with ANSYS 11.0. The results of FEM and AGMA procedures were compared. The results indicated that as the face width of the gear increased the bending stress decreased. At face width of 80 mm and 100 mm bending stresses were 7.1941 MPa and 7.0256 and 5.7553 MPa and 5.4856 MPa for AGMA and FEM respectively. The differences in prediction of these stresses between the AGMA and FEM were 2.3% and 4.7% respectively.

Comparison of Bending Stresses for Different Face Width of Helical Gear Using AGMA and ANSYS

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