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Open AccessArticle

The Influence of Main Design Parameters on the Overall Cost of a Gearbox

Faculty of Mechanical Engineering, Thai Nguyen University of Technology, 3/2 street, Tichluong ward, Thai Nguyen City 251750, Vietnam
Faculty of Mechanical Engineering, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh Street, Ward 13, District 4, Ho Chi Minh City 754000, Vietnam
Faculty of Mechanical Engineering, University of Transport and Communications, Hanoi City 11512, Vietnam
Faculty of Mechanical Engineering, Electric power University, 235 Hoang Quoc Viet Street, Hanoi City 122300, Vietnam
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(7), 2365;
Received: 29 February 2020 / Revised: 17 March 2020 / Accepted: 24 March 2020 / Published: 30 March 2020
(This article belongs to the Section Mechanical Engineering)
This study is aimed at determining optimum partial gear ratios to minimize the cost of a three-stage helical gearbox. In this work, eleven input parameters were investigated to find their influence on the optimum gear ratios of the second and the third stages ( u 2 and u 3 ). To reach the goal, a simulation experiment was designed and implemented by a cost optimization program. The results revealed that in addition to the input parameters, their interactions also have important effects in which the total ratio gearbox ratio ( u t ) and the cost of shaft ( C s ) have the most impact on u 2 and u 3 responses, respectively. Moreover, the proposed models of the two responses are highly consistent to the experimental results. The proposed regression equations can be applied to solve optimization cost problems. View Full-Text
Keywords: gearbox; gear ratio; optimum gearbox design; three-stage helical gearbox gearbox; gear ratio; optimum gearbox design; three-stage helical gearbox
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Vu, N.-P.; Nguyen, D.-N.; Luu, A.-T.; Tran, N.-G.; Tran, T.-H.; Nguyen, V.-C.; Bui, T.-D.; Nguyen, H.-L. The Influence of Main Design Parameters on the Overall Cost of a Gearbox. Appl. Sci. 2020, 10, 2365.

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