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Study on a novel backlash-adjustable worm drive via the involute helical beveloid gear meshing with dual-lead involute cylindrical worm
Mechanism and Machine Theory ( IF 4.5 ) Pub Date : 2021-09-03 , DOI: 10.1016/j.mechmachtheory.2021.104466
Xinxin Ye 1 , Yonghong Chen 1 , Binbin Lu 1 , Wenjun Luo 1 , Bingkui Chen 1
Affiliation  

This paper focuses on a novel backlash-adjustable worm drive, and it is composed of a dual-lead involute cylindrical (DIC) worm and an involute helical beveloid (IHB) gear. It is characterized by the low error sensitivity, easy to manufacture and with the backlash-adjustable. The design criteria for the novel worm drive are presented based on a variable-lead and variable-thickness media rack. Then the mathematical model and meshing performance analysis model are deduced and established, and the theory of backlash-adjustable is proposed. The tooth contact analysis (TCA) is conducted by the numerical calculation and stress analysis. Moreover, the experimental gearbox is manufactured, and the contact tests and transmission accuracy tests are completed. These results indicate that the novel worm drive can effectively adjust backlash without affecting the transmission accuracy. This theoretical research provides the theoretical support for further analysis and application of the novel backlash-adjustable worm drive.



中文翻译:

渐开线斜齿锥齿轮与双导程渐开线圆柱蜗杆啮合的新型齿隙可调蜗杆传动研究

本文重点介绍一种新型齿隙可调蜗杆传动装置,它由双导程渐开线圆柱 (DIC) 蜗杆和渐开线斜齿轮 (IHB) 齿轮组成。其特点是误差敏感度低,易于制造,背隙可调。新型蜗杆传动的设计标准基于可变导程和可变厚度介质架。然后推导并建立了数学模型和啮合性能分析模型,提出了齿隙可调理论。齿接触分析(TCA)通过数值计算和应力分析进行。此外,还制作了实验齿轮箱,并完成了接触测试和传动精度测试。这些结果表明,新型蜗杆传动可以在不影响传动精度的情况下有效调节齿隙。该理论研究为新型齿隙可调蜗杆传动的进一步分析和应用提供了理论支持。

更新日期:2021-09-03
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