A new standardizable calculation method to predict the  efficiency of worm gear drives

Oehler, Manuel; Magyar, B.; Sauer, Bernd

doi:10.51202/9783181022948-363

Cited by 2 publications

(2 citation statements)

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“…The efficiency loss due to friction during engagement can be determined from the worm lead angle and friction coefficient of the worm pair [1,10,18,19]:…”

Section: Load-dependent Efficiency Lossesmentioning

confidence: 99%

Estimation and Optimization of Worm Drive Efficiency using Taguchi and Symmetric Quasi-D Optimal Methods

Loc¹,

Nguyen²,

Le³

2023

Tribol. Ind.

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In this study, the Taguchi and symmetric quasi-D optimal methods were applied to comprehensively evaluate the influence of a wide range of factors affecting worm drive efficiency: oil kinematic viscosity v, friction coefficient f, rotational speed n, speed ratio u, output torque T2, module m, and diameter factor q, thereby choosing an appropriate method when studying the efficiency of mechanical drives and also choosing an optimal parameter domain to ensure maximum efficiency when designing, manufacturing, and operating the worm drive. Quadratic regression equations were obtained for the most influential factors, and the results showed a high goodness-of-fit and accuracy. Experimental models were developed to evaluate and compare the effects of the factors on efficiency. Overall, the regression equations can be used to predict the efficiency of worm drives and to select the parameters that improve the efficiency of worm drives or help develop new worm drive products. The worm testing system can be used to test the efficiency of worm drives or develop new worm drive products.

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“…The efficiency loss due to friction during engagement can be determined from the worm lead angle and friction coefficient of the worm pair [1,10,18,19]:…”

Section: Load-dependent Efficiency Lossesmentioning

confidence: 99%

Estimation and Optimization of Worm Drive Efficiency using Taguchi and Symmetric Quasi-D Optimal Methods

Loc¹,

Nguyen²,

Le³

2023

Tribol. Ind.

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show abstract

“…Paschold et al(2020) developed and implemented an innovative technique for computing load losses and no-load losses. Oehler et al(2017) investigated the dynamics of worm gears and formulated a computational model for friction coefficient. This introduction established a standardized approach for efficiency calculations of worm gears.…”

Section: Introductionmentioning

confidence: 99%

Meshing performance investigations on oblique worm drive

YANG,

CHEN,

GAO

et al. 2024

JAMDSM

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This paper proposed an innovative approach to oblique worm drive by introducing a specific inclination angle. The investigation focused on the meshing performance of oblique ZA worm drive by varying the crossed axis angle. The meshing geometric models of oblique ZA worm drive are deduced, and the derivation of the lubrication angle along with the induced normal curvature calculation formula are proposed. The tooth-face contact conditions for different worm gears with various inclination angles are analyzed, and lubrication angles and induced normal curvatures are presented. To verify the numerical analysis, a simulation analysis was conducted for the oblique ZA worm drive with an inclination angle of 10°, and the results confirmed the conclusions drawn from the numerical analysis. A comparative test was performed between the transmission efficiency of the oblique and standard ZA worm drive reducer. The results demonstrated that the oblique ZA worm drive exhibited strengthened transmission efficiency and load carrying capacity.

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A new standardizable calculation method to predict the efficiency of worm gear drives

Cited by 2 publications

References 0 publications

Estimation and Optimization of Worm Drive Efficiency using Taguchi and Symmetric Quasi-D Optimal Methods

Estimation and Optimization of Worm Drive Efficiency using Taguchi and Symmetric Quasi-D Optimal Methods

Meshing performance investigations on oblique worm drive

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