The trochoidal contours for positive shaft-hub connections in drive technology

驱动技术中正向轴毂连接的摆线轮廓

• 批准号: 419852403
• 负责人: Professor Dr.-Ing. Masoud Ziaei
• 金额: --
• 依托单位: SEW-EURODRIVE GmbH & Co KG
• 依托单位国家: 德国
• 项目类别: Research Grants (Transfer Project)
• 财政年份: 2019
• 资助国家: 德国
• 起止时间: 2018-12-31 至 2021-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/419852403?language=en
• 关键词: trochoidal; contours; positive; shaft; hub

The focal points of the project are:1) Extension of the existing results from the preceding DFG project based on a concrete practical application of SEW-EURODRIVE GmbH & Co. under pure torsional loading conditions is the main focal point of the project. Here, an optimal connection based on a complex trochoid with a shouldered form is determined for the given application. The geometric design is based on the available assembly space. In connection with the space-constrained design, the influences of the variable geometry parameters such as the teeth number z and the main eccentricity e0 on the load-bearing capacity of the connection are numerically investigated. The optimized complex trochoid can be used for the experimental specimen tests. In order to be able to demonstrate the potential of the complex trochoid in terms of its transmission capacity, a standard key connection according to [DIN 6885], which serves as a standard reference compound, will be experimentally tested and compared to the trochoidal profile.2) The characterization of the contour properties is investigated for the rotational bending loads. The trochoidal contour determined in the first step is mainly numerically examined in this step on bending and combined load conditions. The geometric parameters teeth number z and the main eccentricity e0 can be varied and optimized as the most important parameters of the profile. In addition, random experiments are carried out to validate the numerical tendencies. Furthermore, an experimentally based comparison to the standard key connections is intended.3) An economic analysis is intended for the manufacturing of the trochoidal optimal profile. Possible manufacturing technologies, which are suitable for a future industrial mass production of the novel profiles, are investigated with regard to the achievable profile quality, the tolerances and the process times. In particular, the profile manufacturing costs of a required accuracy should be evaluated. Possible manufacturing processes are the roll forming and roll milling used in the field of splines. Furthermore, in the field of polygon connection two-spindle rotating and oscillating methods are nowadays used. The manufacturing costs of the trochoidal profile is finally compared with the known costs of the key connections.

该项目的重点是：1）基于SEW-EURODRIVE GmbH & Co.在纯扭转载荷条件下的具体实际应用，对先前DFG项目的现有结果进行扩展是该项目的主要重点。在这里，一个最佳的连接的基础上，复杂的余摆线与肩的形式确定为给定的应用。几何设计基于可用的装配空间。结合空间约束设计，数值研究了齿数z和主偏心距e0等变几何参数对连接承载能力的影响。优化后的复次摆线可用于实验试件测试。为了能够证明复杂次摆线在其传输能力方面的潜力，将对作为标准参考化合物的符合[DIN 6885]的标准键连接进行实验测试，并与次摆线轮廓进行比较。2）研究旋转弯曲载荷的轮廓特性表征。在第一步中确定的余摆线轮廓主要在弯曲和组合载荷条件下在该步骤中进行数值检验。几何参数齿数z和主偏心距e0可以作为轮廓的最重要参数而变化和优化。此外，随机实验进行了验证的数值趋势。此外，基于实验的比较，标准的关键连接的意图。3）的经济分析是为了制造的余摆线最佳的轮廓。可能的制造技术，这是适合于未来的工业大规模生产的新型型材，调查方面可实现的型材质量，公差和处理时间。特别是，应评估所需精度的型材制造成本。可能的制造工艺是花键领域中使用的辊轧成形和辊轧铣削。此外，在多边形连接领域中，目前使用的是双轴旋转和摆动方法。最后将余摆线轮廓的制造成本与已知的键连接成本进行比较。