Research of Characteristics and Parameters of Cycloidal Gear

Abstract

One of the most important tasks of modern mechanical engineering is to develop efficient drive mechanisms, possessing high accuracy, security, and significant load capacity at low weight and dimensions. For a successful solution of this problem, the improved research methods and the automation of design process of technical means, providing the improvement of mechanisms characteristics and the choice of optimal construction parameters, are needed. Cycloidal gears are the perspective types of gear mechanisms. They have a number of advantages: the reliability, working capacity in conditions of dynamic loads, high efficiency, the compactness, and large range of gear ratios. Concerning the question of the improving research methods of characteristics and parameters of cycloidal gears is topical. This article presents the automated technique of the calculation of the size of clearances and deformations, arising between teeth and trowels of cycloidal engagement. An analysis of the influence of profile correction at the size of clearances and deformations, and also at the number of teeth, that simultaneously transmit the load, is cited. The software application, developed by the authors, provides a computer-aided creation of models of cycloidal mechanisms with obtaining the required clearances. On the basis of the correction of geometric parameters of the gear, a recreation of management programs for CNC machines has been automatically carried out. The authors presume a further elaboration of developed software application with the aim of its adaptation for the solution of a wide range of tasks of the research and the modeling of constructive and technological cycloidal gear parameters.

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