Abstract
The numerical simulation of the friction clutch system (pressure plate, clutch disc, and flywheel) during the full engagement period (assuming no slipping between contact surfaces) is carried out using finite element method. Two types of load condition considered affect on the clutch elements during the full engagement period are the contact pressure of diaphragm spring and the centrifugal force. The study of the pressure distribution between the contact surfaces and the factors affecting it is one of the fundamentals in the process of designing the friction clutch to obtain accurate estimation of the temperature distribution during the slipping period and the contact stresses during the full engagement period. The investigation covers the effect of the contact stiffness factor FKN on the pressure distribution between contact surfaces, stresses, and penetration. The penalty and augmented Lagrange algorithms have been used to obtain the pressure distribution between contact surfaces. ANSYS13 software has been used to perform the numerical calculation in this paper.
Highlights
A clutch is a very important machine element which plays a main role in the transmission of power from one component to another
Series of computations have been carried out using ANSYS13 software to study the contact pressure, penetration, and stresses between contact surfaces of clutch during a full engagement period using different algorithms and contact stiffness factor values
The present work presents a simplified model of clutch to determine the contact pressure between contact surfaces during a full engagement period
Summary
A clutch is a very important machine element which plays a main role in the transmission of power (and eventually motion) from one component (the driving part of the machine) to another (the driven part). Twodimensional axisymmetric FE model used to explore an alternative method based on an eigenfunction expansion and a particular solution that can be used to solve the thermoelastic contact problem with frictional heating Both constant speed and varying sliding speed are considered in this analysis. Two-dimensional finite element model was used in the work to obtain the pressure distribution, total stresses, pad penetration, friction stresses, heat flux, and temperature during the contact using different values of the contact stiffness factor. El-Sherbiny and Newcomb [4] used the finite difference method to setup equations to express the heat balance at every region in the clutch They determined the temperatures at various elements when band contact occurs between the rubbing surfaces during the operation of an automotive clutch. In this paper the finite element method was used to study the contact pressure, stresses, and penetration during the full
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