Research on the Possibility of Lowering the Manufacturing Accuracy of Cycloid Transmission Wheels with Intermediate Rolling Elements and a Free Cage

Purpose: In the present work, different combinations of fits and accuracies, in relation to profiles mating parts, have been analysed order assess degree engagement transmissions that contain intermediate rolling elements. The aim this work is determine which decreased accuracy, but nevertheless provide a minimum manufacturing clearance for transmission reduce cost parts production. Methods materials: Considering normal probabilistic distribution law obtained dimensions equipment, combination were selected using incomplete interchangeability method, taking into account peculiarities cycloid with elements (IRE). Results: Having studied various are engaged free cage (IREFC), “ring, rolling-element cam” determined, technological 3 µm formed engagement. At same time, disk manufactured according 9th tolerance grade, reduces laboriousness Discussion. When reducing accuracy disks, it possible obtain both very ample clearances significant negative allowances. For example, having ring H9 fit, h6 cam js9, maximum can reach 0.086 mm, while limits vary from 0.025 mm 0.061 mm. Additionally, if K9-h6-js9 fits, allowance varying 0.014 0.026 will emerge Both described cases unacceptable because large allowances negatively influence working capacity mechanism. However, select grade basic by contact range small 1 3–4 µm. Furthermore, considered, machine settings, and, at almost equal zero. Moreover, such relevant any IRE. This positive result when provides high Conclusions: It has established lowering IRE, may occur engagement, depending on fits. zero transmission. way, gears maintain