Results 121 to 130 of about 5,870 (164)
Drivers of microplastic pollution in soil sediments at fish landing centers in Sri Vijaya Puram (Port Blair), South Andaman Island. [PDF]
PeerJKumar A +5 more
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Study on the Wear Performance of 20CrMnTi Gear Steel with Different Penetration Gradient Positions. [PDF]
Materials (Basel)Zhang Y, Wei S, Yang W, Guan J, Li G.
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Vibration Characteristics for Planetary Geared Systems with Plastic Gears
Applied Mechanics and Materials, 2015A torsional dynamic model and testing model for planetary geared systems are established to study the effects on its vibration characteristics as substituting plastic gears for steel ones successively. The dynamic model is solved by using variable step Runge-Kutta method and the vibration testing experiments for four kinds of combined planetary geared ...
Jian Ying Li, Qing Chun Hu, Fu Hai Duan
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Load Sharing of Worm Gear With a Plastic Wheel
Journal of Mechanical Design, 2005The material of the wheel in a worm gear has to be nonrigid due to very high sliding velocity. Such gears are currently made of plastic in the case of a small module. The present paper describes an original method for studying the quasi-static loaded behavior of a worm gear, with a steel worm and a nylon wheel.
Hiltcher, Yann +2 more
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High-Performance Plastic Gears
2021Plastic gears have been used for decades in a wide variety of applications such as consumer articles or electromechanical actuators in the automotive sector. Plastic specific material properties such as low-density and high-damping characteristics and the possibility of mass production through injection molding are advantageous and contribute to the ...
C. M. Illenberger, T. Tobie, K. Stahl
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Investigation on the dynamics of plastic gear
The Proceedings of the Dynamics & Design Conference, 2018exaly +2 more sources
A Comparison of Ratings for Plastic Gears
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 1989The failure mechanisms of plastic gears are examined and methods for calculating tooth bending and surface contact stresses for non-metallic gears are reviewed. The applications and limitations of the Lewis equation and Hertzian contact theory are considered and comparisons made between steel and plastic conditions, gear standards and various ...
D Walton, Y W Shi
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Analysis of Plastic Helical Gear
Volume 1: Advanced Energy Systems, Advanced Materials, Aerospace, Automation and Robotics, Noise Control and Acoustics, and Systems Engineering, 2006The objective of this work is to present a mathematical model which studies helical gears made of a material with a small modulus of elasticity, when one or more pairs of teeth mesh prematurely during engagement. This phenomenon may lead to the modification of the load distribution on the teeth which are initially in contact and to a kind of ...
Toni Jabbour, Ghazi Asmar, Chadi Ghaith
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Proceedings of the Institution of Mechanical Engineers, Conference Proceedings, 1969
The paper first discusses factors affecting the performance of plastics in gears, and then describes their use in relatively heavy duty applications, particularly domestic appliances. It considers problems of designing and moulding gears and the possible uses of plastics other than nylon.
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The paper first discusses factors affecting the performance of plastics in gears, and then describes their use in relatively heavy duty applications, particularly domestic appliances. It considers problems of designing and moulding gears and the possible uses of plastics other than nylon.
openaire +1 more source
A refined analytical model for the mesh stiffness calculation of plastic gear pairs
Applied Mathematical Modelling, 2021Wennian Yu, Zhiliang Xu, Shao Yimin
exaly