Optimizing the partial gear ratios of the two-stage worm gearbox for minimizing total gearbox cost

Authors

DOI:

https://doi.org/10.15587/1729-4061.2022.252301

Keywords:

bearing cost, gearbox cost, screen experiment, two-stage worm gearbox

Abstract

Optimizing the design of a worm gearbox is complex to get due to considering multiple objectives and numerous main design parameters. Hence, a more consistent and robust optimization technique will be considered in obtaining the optimized results. This paper presents the optimization process of the Two-Stage Worm Gearbox with the objective function of minimizing total gearbox cost. Ten main design parameters are chosen as input parameters for evaluating their impacts on the response of the partial gear ratio u2. In this study, the simulation experiments were used, which do not need cost to perform all potential tests. In order to do this, a 2^(10-3) model and using 1/16 fractional model were selected due to the limitation of the built-in function in Minitab@18. Moreover, the screening experiments are purposely used to determine the number of parameters, which has a minor influence on the response. Compared to using the Taguchi technique, the model of 2^11 corresponding to L32 or 32 tests is a simple method to achieve the objectives.

The results show that Total gearbox ratio exhibits the biggest effect on the response compared to others. Furthermore, the interactions between these factors to the remaining are significant. The high reliability of the proposed model is verified by simulation experiments. The random tendency of data shows that u2 is not crucially influenced by other than the input parameters. The data in versus order prove that the response is not varied to the time factor. Moreover, the coefficients of adjusted R2 and R2 are both greater than 99 %, it can be concluded that the proposed regression model is appropriate. The proposed optimization process in this study is reliable and the optimal design method can provide a useful reference on performance improvement of other worm gears.

Supporting Agency

  • The authors wish to thank Thai Nguyen University of Technology for supporting this work.

Author Biographies

Nguyen Huu Quang, University of Economics - Technology for Industries

PhD, Assistant Professor

Faculty of Mechanical Engineering

Nguyen Hong Linh, Electric Power University

PhD, Assistant Professor

Faculty of Mechanical and Power Engineering

Trieu Quy Huy, University of Economics - Technology for Industries

PhD, Assistant Professor

Faculty of Mechanical Engineering

Pham Duc Lam, Nguyen Tat Thanh University

MSc, Teacher

Faculty of Mechanical, Electrical, Electronic and Automotive Engineering

Nguyen Anh Tuan, University of Economics - Technology for Industries

PhD, Assistant Professor

Faculty of Mechanical Engineering

Nguyen Dinh Ngoc, Thai Nguyen University of Technology

PhD, Assistant Professor

Faculty of International Training

Le Xuan Hung, Thai Nguyen University of Technology

PhD, Assistant Professor

Faculty of Mechanical Engineering

Vu Ngoc Pi, Thai Nguyen University of Technology

PhD, Associate Professor

Faculty of Mechanical Engineering

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Published

2022-02-24

How to Cite

Quang, N. H., Linh, N. H., Huy, T. Q., Lam, P. D., Tuan, N. A., Ngoc, N. D., Hung, L. X., & Pi, V. N. (2022). Optimizing the partial gear ratios of the two-stage worm gearbox for minimizing total gearbox cost. Eastern-European Journal of Enterprise Technologies, 1(1 (115), 6–15. https://doi.org/10.15587/1729-4061.2022.252301

Issue

Vol. 1 No. 1 (115) (2022): Engineering technological systems

Section

Engineering technological systems

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Copyright (c) 2022 Nguyen Huu Quang, Nguyen Hong Linh, Trieu Quy Huy, Pham Duc Lam, Nguyen Anh Tuan, Nguyen Dinh Ngoc, Le Xuan Hung, Vu Ngoc Pi

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