Abstract
In the last years there is an increasing demand for the efficiency, compact size, low noise level and reliability of gear transmission. This imposed that gear designers use adequate software for design and verify the product development. The paper aims to evaluate the use of different software for design and test the spur gear transmissions. An algorithm from the concept and geometric profiles of the teeth and linked parts to the models obtained using Finite Element Analysis (FEA) which aims to test and verify the comportment of the involved structures in the meshing process is presented. The paper aims also to demonstrate that ISO or other standards cannot conduct a reliable analysis of the root tooth bending and teeth contact stress. The proposed algorithm shows that o lot of software can be used but also the necessity to generate specific codes to interlink the steps in the algorithm. Also the paper put in discussion the use of 2D and 3D models in the transmission design process. One feature of the algorithm is the necessity of the 3D model in the process. The use of FEM as a numerical method to evaluate the behavior under static load conditions is also one of the necessity in the modern conditions of product development and the paper aimed to demonstrate that feature. Finally the presented FEM software shows a complete suitability for the calculation of spur gears transmission and not only.
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