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Optimum Determination of Partial Transmission Ratios of Mechanical Driven Systems Using a V-belt and a Helical gearbox with Second-Step Double Gear-Sets

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Journal of Environmental Science and Engineering(A) 2017年第7期6卷 377-380页

作者： Nguyen Khac Tuan Vu Ngoc Pi Automotive and Power Machinery Faculty Thai Nguyen University of Technology Thai Nguyen 23000 Vietnam Mechanical Engineering Faculty Thai Nguyen University of Technology Thai Nguyen 23000 Vietnam

This paper presents a study on the optimum determination of partial transmission ratios of a mechanical drive system using a V-belt and a helical gearbox with second-step double gear-sets in order to get the minimum size of the system. The chosen objective function was the cross section dimension of the system. In the optimization problem, the design equation for pitting resistance of a gear set was investigated and equations on moment equilibrium condition of a mechanic system including a V-belt and a helical gearbox with second-step double gear-sets and their regular resistance condition were analysed. Based on the results of the study, effective formulas for calculation of the partial ratios of the V-belt and a helical gearbox with second-step double gear-sets were proposed. By using explicit models, the partial ratios can be determined accurately and simply.

关键词： Transmission ratio gearbox design optimum design V-belt drive helical gearbox.

Optimum Determination of Partial Transmission Ratios of Mechanical Driven Systems Using a V-belt and a Three-Step Helical gearbox

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Journal of Environmental Science and Engineering(B) 2017年第6期6卷 328-331页

作者： Dang Anh Tuan Nguyen Khac Tuan Vu Ngoc Pi Mechanical Engineering Faculty Thai Nguyen University of Technology Thai Nguyen 23000 Vietnam Automotive and Power Machinery Faculty Thai Nguyen University of Technology Thai Nguyen 23000 Vietnam

This paper introduces a new study on the optimum calculation of partial transmission ratios of a mechanical drive system using a V-belt and a three-step helical gearbox in order to get the minimum size of the system. The chosen objective function was the cross section dimension of the system. In solving the optimization problem, the design equation for pitting resistance of a gear set was investigated and equations on moment equilibrium condition of a mechanic system including a V-belt and three helical gear units and their regular resistance condition were analysed. From the results of the study, effective formulas for determination of the partial ratios of the V-belt and three-step helical gearboxes were introduced. As using explicit models, the partial ratios can be determined accurately and simply.

关键词： Transmission ratio gearbox design optimum design V-belt drive helical gearbox.

Optimum Calculation of Partial Transmission Ratios of Mechanical Driven Systems Using a V-belt and a Two-Step Bevel Helical gearbox

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Journal of Environmental Science and Engineering(A) 2016年第11期5卷 566-569页

作者： Vu Ngoc Pi Nguyen Thi Hong Cam Nguyen Khac Tuan Mechanical Engineering Faculty Thai Nguyen University of Technology Thai Nguyen 23000 Vietnam Automotive and Power Machinery Faculty Thai Nguyen University of Technology Thai Nguyen 23000 Vietnam

This paper introduces a new study on the optimum calculation of partial transmission ratios of mechanical drive system using a V-belt and two-step bevel helical gearbox for getting minimum size of the system. In the paper, based on moment equilibrium condition of a mechanic system including V-belt and a two-gear-unit of the gearbox, models for optimum calculation of the partial ratios of the V-belt and the gearbox were proposed. As the models are explicit, the partial ratios can be calculated accurately and simply.

关键词： Transmission ratio gearbox design optimum design helical gearbox.

Optimum Determination of Partial Transmission Ratios of Three-Step Helical gearboxes for Getting Minimum Cross Section Dimension

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Journal of Environmental Science and Engineering(A) 2016年第11期5卷 570-573页

作者： Vu Ngoc Pi Nguyen Khac Tuan Thai Nguyen University of Technology Thai Nguyen 23000 Vietnam

This paper presents a new study on optimum calculation of partial ratios of three-step helical gearboxes. The chosen objective function is the cross section dimension of the gearbox. In solving the optimization problem, the design equation for pitting resistance of a gear set was investigated and equations on moment equilibrium condition of a mechanic system including three gear units and their regular resistance condition are analyses. From the results of the study, effective formula for determination of the partial ratios of three-step helical gearboxes is introduced. As the formulas are explicit, the partial ratios can be calculated accurately and simply.

关键词： gearbox design optimum design helical gearbox transmission ratio.

Optimum Determination of Partial Transmission Ratios of Mechanical Driven Systems Using a Chain Drive and a Two-step Helical gearbox

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Journal of Environmental Science and Engineering(B) 2017年第2期6卷 80-83页

作者： Vu Ngoc Pi Tran Thi Phuong Thao Dang Anh Tuan Mechanical Engineering Faculty Thai Nguyen University of Technology Thai Nguyen 250000 Vietnam

This paper presents a study on optimum determination of partial ratios of mechanical drive systems using a chain drive and two-step helical gearbox for getting minimum size of the system. The chosen objective function was the cross section dimension of the system. In solving the optimization problem, the design equation for pitting resistance of a gear set was investigated and equations on moment equilibrium condition of a mechanic system including a chain drive and two helical gear units and their regular resistance condition were analyses. From the results of the study, effective formulas for determination of the partial ratios of the chain drive and two-step helical gearboxes were introduced. As the formulas are explicit, the partial ratios can be calculated accurately and simply.

关键词： gearbox design optimum design helical gearbox chain drive transmission ratio.