Engineering components made of composite materials find increasing applications ranging from spacecraft to small instruments. Many types of gear pump use composite gears, however little literature is available on their use. In this paper results obtained by static stress analysis of composite gears using a three-dimensional finite element approach are presented. Performance of two orthotropic material gears are presented and compared with mild steel gear. From the results it is concluded that composite material such as graphite/epoxy can be thought of as a material for power transmission gears. © 1993.

Natrajan Ganesan

Composite materials

Epoxy resins

finite element method

GEAR PUMPS

Graphite

Mathematical models

Power transmission

Steel

Stress analysis

three dimensional

ORTHOTROPIC MATERIAL

SPUR GEAR

STEEL GEAR

Gears

IIT Madras is a public technical and research university located in Chennai, Tamil Nadu. Founded in 1959, it is recognised as an Institute of National Importance.

IIT Madras has been ranked as the top engineering institute in India for four years in a row by the National Institutional Ranking Framework of the MHRD

It currently offers undergraduate, postgraduate and research degrees across 16 disciplines in Engineering, Sciences, Humanities and Management. About 596 faculty belonging to science and engineering departments and centres of the Institute are engaged in teaching, research and industrial consultancy.

IIT Madras

Stress analysis of composite spur gear using the finite element approach

Computers and Structures

The possibility of using composite materials for power transmission spur gear, from a static strength point of view, have been proved by the authors in their previous study. In this present work an attempt has been made to study the behaviour of composite bevel gear from a static load point of view using a three-dimensional finite element method. The performance of two composite material bevel gears are presented and compared with a carbon steel gear. From a static strength point of view a glass epoxy bevel gear is slightly closer to a carbon steel bevel gear than a boron/epoxy bevel gear; but from a displacement point of view glass/epoxy deviates from that of carbon steel much more than boron/epoxy, unlike the case of a composite spur gear, where boron/epoxy was better both from strength and displacement points of view. Hence from the results it is concluded that composite materials such as boron/epoxy can be very much thought of as a material for power transmission bevel gears. © 1994 Elsevier Science Ltd.

Static stress analysis of a composite bevel gear using a three-dimensional finite element method

It is more realistic to include the effect of adjacent teeth stiffness while evaluating the root stresses of a gear which is a rotationally periodic structure. This requires very large core and computational time. In the present analysis an attempt has been made to compare the root stresses with and without considering the effects of adjacent gear teeth stiffnesses using the concept of cyclic symmetry. Further, an attempt has been made to study the performance of a composite spur gear using the above approach. It is found that the root structure predicted by the method of cyclic symmetry is less for both isotropic and orthotropic spur gears. © 1993.

Composite Structures

Static stress analysis of composite spur gears using 3D-finite element and cyclic symmetric approach

In this study, the parametric design and contact analysis of composite spur gears are investigated numerically. Composite gear provides an adequate strength to weight ratio, more hardness, durability and low maintenance cost. It is emerging better alternatives for replacing metallic gears. The finite element model of spur gear is developed with the assistance of the Ansys software. In this study each design factor such has stress distributions, strain and deformation are considered to compare composite gear with steel and polymer gears. An APDL gear model has been developed for the design evaluation and comparison study. © 2017 Published under licence by IOP Publishing Ltd.

Fulltext

IOP Conference Series: Materials Science and Engineering

Design and analysis of composite spur gears using finite element method

The Finite Element Method for Elliptic Problems

5. Application of the Finite Element Method to Some Nonlinear Problems

Composites

Carbon fibres and their composites

Bulletin of JSME

A Study of Molding Method and Static Strength of Carbon Fiber-reinforced Plastic Gear

Computers & Structures

Finite element analysis of laminated shells of revolution

Africa

Islam in the Sudan. By J. Spencer Trimingham. London, Oxford University Press, 1949. Pp. x + 280. 21s net.

Journal	Computers and Structures
ISSN	00457949
Open Access	No