Abstract
The state-dependent variable a was introduced to the formula of the rate of heat evolution deduced from the thermal analysis of the molding compounds. The a was determined by the inverse solution of the FEM for temperatures measured. The variation of a is expressed as a function of time after the end of the filling process on the basis of the conversion of resin. The temperature profiles in the mold cavity after the end of filling were calculated using the FEM coupled with the a. Making use of the a in the calculations, the solidification front is estimated by the analysis of non-stationary heat conduction. The relationship between molding temperature and warping of the moldings was evaluated on the basis of the variation mode of a. The fundamental data used to estimate the relation between molding temperature, soldification front and warping of the moldings were obtained.
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