Contact fatigue life estimation for asymmetric helical gear drives

Rajesh, S.; Marimuthu, P.; Бабу, П. Динеш; Venkatraman, R.

doi:10.1016/j.ijfatigue.2022.107155

Cited by 7 publications

(2 citation statements)

References 35 publications

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“…The complexity of gear profiles and changing load during any loading cycle add to the problems of determining both maximum bending stress and maximum contact stress (5) . The absence of dynamic stress analysis can have catastrophic effects, as were seen in the destruction of the European space Agency, Ariane rocket launcher in 1996 (6) . In photoelasticity use of white light is well known for analysis of isochromatic fringes in birefringent coating and for nondestructive evaluation of stress in mechanical components (7) .…”

Section: Introductionmentioning

confidence: 99%

Whole Field Analysis of Asymmetric Helical Gear Using Photo Stress Method and FEA Method

Patil¹,

Patil²

2023

IJST

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Objectives: To carry out dynamic state analysis of asymmetrical helical gears for contact stresses using photo stress technique and suitable finite element software. Methods: Currently the Hertz contact stress equation is used to calculate the contact stress which is based on certain speculations. The value of load transmitted by a gear may be known but whether it is taken by a single or more pairs of teeth are based on some assumptions and stresses thus calculated may not be true stresses. To get precise evaluation of stress field in gear tooth it is decided to carry out experimental work on asymmetric helical gear in actual working condition. The photo stress method not only provide magnitude of stress but also gives idea about stress distribution in gear. Finite element method is used for asymmetrical helical gear to validate experimental results. Findings: The stress values obtained by photostress method and FEA method has minimum error of 2.17% and maximum of 8.89% respectively. The error values are less than 10% and within the limit. We can observe close agreement between these two methods. Novelty: This study has provided a more accurate result than theoretical method of stress calculation. Photostress analysis method is one of the best test methods for evaluation of contact stress of asymmetric helical gear with different torque condition in actual working that is dynamic condition. Maximum error of 8.89% has been found with photostress method.

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Section: Introductionmentioning

confidence: 99%

Whole Field Analysis of Asymmetric Helical Gear Using Photo Stress Method and FEA Method

Patil¹,

Patil²

2023

IJST

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“…Большое количество деталей механизмов и узлов работают в условиях контактного взаимодействия. К таким конструкциям относятся: зубчатые механизмы [5], опорные части мостов [6], крепление лопаток авиадвигателей [7], биомеханические системы [8-10], оптические системы [11] и др. При этом каждая новая задача с учетом механики контактного взаимодействия несет в себе огромное количество аналитических или численных исследований, направленных на анализ влияния контактных параметров на напряженно-деформированное состояние конструкции [12; 13].…”

Section: Introductionunclassified

MATHEMATICAL SIMULATION OF CONTACT INTERACTION OF A PANDA TYPE OPTICAL FIBER WITH ALUMINUM HALF-SPACE WITH DIFFERENT CHARACTER OF ELEMENTS conjugation

Lesnikova

Kamenskikh

Pashchenko

2022

Applied Mathematics and Control Sciences

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Mathematical modeling of the deformation behavior of a Panda-type optical fiber with protective and hardening coatings was performed as part of the work. The contact indentation of a fiber into in aluminum half-space is simulated. The different pattern of the elements conjugations of the contact unite is considered: co-strain, contact gluing, frictional contact and their combination. The problem implementation is aimed at analyzing the pattern influence of the system elements conjugation on the deformation and contact parameters of the Panda-type fiber with two-layer protective-strengthening polymer coating when interacting with a metal surface. Residual stresses in the optical fiber after the manufacturing process and polarization are not taken into account in the model. It was found that the deformation behavior pattern of an optical fiber is refined when contact gluing between structural elements is taken into account. The maximum stress intensity values are observed in quartz when frictional contact between the elements of the system is taken into account. The polymer coating peels off on part of the mating surface and ceases to fully perform protective functions.

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A Phenomenological Model for Bolt Loosening Characteristics in Bolted Joints Under Cyclic Loading

Yang

Jeong

Lim

2023

Int. J. Precis. Eng. Manuf.

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Contact fatigue life estimation for asymmetric helical gear drives

Cited by 7 publications

References 35 publications

Whole Field Analysis of Asymmetric Helical Gear Using Photo Stress Method and FEA Method

Whole Field Analysis of Asymmetric Helical Gear Using Photo Stress Method and FEA Method

MATHEMATICAL SIMULATION OF CONTACT INTERACTION OF A PANDA TYPE OPTICAL FIBER WITH ALUMINUM HALF-SPACE WITH DIFFERENT CHARACTER OF ELEMENTS conjugation

A Phenomenological Model for Bolt Loosening Characteristics in Bolted Joints Under Cyclic Loading

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