Browse Publications Technical Papers 2004-32-0068
2004-09-27

A Method of Measuring Contact Pressure of Cylinder Head Gasket 2004-32-0068

This paper describes the new measuring method dealing with the contact pressure of a multi-layer cylinder head gasket for a diesel engine with the displacement of 3 liters. This method uses the electrodeposited copper foil with the thickness of 26 μm as a gauge. The foil surface has small irregularities and the surface appearance corresponds to the applied pressure. Using the foil gauge, the pressure measurement was performed on two kinds of gaskets, i.e., wire type and bead type. The measurement was also performed on wire type by the methods of strain gauge and Fuji Prescale. Furthermore, FEM analysis was performed on two types. Based on the results obtained, the validity of the present method was discussed.

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