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首页> 外文期刊>Mechanism and Machine Theory: Dynamics of Machine Systems Gears and Power Trandmissions Robots and Manipulator Systems Computer-Aided Design Methods >Traditional versus improved designs for cycloidal speed reducers with a small tooth difference: The effect on dynamics
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Traditional versus improved designs for cycloidal speed reducers with a small tooth difference: The effect on dynamics

机译：齿距较小的摆线针轮减速机的传统设计与改进设计：对动力学的影响

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摘要

Whereas traditional cycloid reducers tend to have a one tooth difference design, a two teeth difference design is common when the transmission ratio is low (<= 17). The dynamic characteristics of these small teeth difference designs, however, remain unclear. Hence, this study constructs an analytic model of system dynamics in a cycloid reducer with a small tooth difference. Specifically, taking a transmission ratio of 17 as an example, it analyzes both free-pin and fixed-pin designs to show the shortcomings of traditional designs. It then proposes a nonpin design that improves on these shortcomings, one in which the pinwheel is replaced by a cycloid internal gear. Next, adopting the theory of gearing, it constructs a mathematical model of the nonpin design with a multitooth difference and derives undercutting equations to check for the persistence of undercutting on the tooth profile. It also determines the parameter design range of nonundercutting. In an analysis of system dynamics, it then investigates twelve nonpin cases with a small tooth difference, showing the effect of the design parameters on the reducer's system dynamics. The results indicate that appropriate design parameters can indeed improve on the shortcomings of the traditional design. (C) 2014 Elsevier Ltd. All rights reserved.
机译：传统的摆线针轮减速机往往具有单齿差设计，而当传动比低（<= 17）时，通常会采用两齿差设计。但是，这些小齿差设计的动态特性仍然不清楚。因此，本研究构建了具有小齿差的摆线针轮减速机中系统动力学的解析模型。具体来说，以传输比为17为例，它分析了自由引脚和固定引脚设计，以显示传统设计的缺点。然后提出了一种改进这些缺点的非销设计，在该设计中，风车由摆线内齿轮代替。接下来，采用齿轮理论，构建具有多齿差异的非销设计的数学模型，并推导出底切方程，以检查底切在齿廓上的持久性。它还确定了非底切的参数设计范围。在对系统动力学的分析中，然后研究了十二个齿距差小的非销情况，显示了设计参数对减速器系统动力学的影响。结果表明，适当的设计参数确实可以改善传统设计的缺点。 （C）2014 Elsevier Ltd.保留所有权利。

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