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Corresponding Author

El-Bahloul, Ahmed

Subject Area

Production Engineering and Mechanical Design

Article Type

Original Study

Abstract

The aim of this paper is to construct a software containing a complete design procedure and detailed drawing for spur, helical and double helical gears. This software can be executed on all the IBM personal computers XT/AT or compatibles. The main elements of the design In this program are : input data, type end shape of gear tooth system (IS. US, BS and DIN), module, minimum number of teeth to avoid interference, tooth profile modification, centre distance, contact ratio, face width, helix angle, material, equations for bending strength (Lewis, modified Lewis and Buckingham) and surface durability, and load carrying capacity for bending strength and surface durability using ISO, AGMA and BS equations with constant or variable tooth load. Many equations and practical formulae are selected for making the gear construction integer gear, solid gear, gear with web, gear with web and holes, gear with arms, gear with Two walls and composite gear). With running the software. full specifications, geometry, kinematics, loads, stresses and detailed drawing of the gears are obtained according to the input data. Different examples are selected to show the variety of the Output data and the strength of the software. Also these runs show the sava in time and accuracy of the results.

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