Abstract
With the maximum residual stress of Mises-Hencky as the index, a numerical model for injection compression molding of the disc was established by CAE software. The process parameters of 7 factors including mold temperature, melt temperature, pressure holding time were analyzed by orthogonal experiment. Effect of key process parameters on residual stress was studied by single factor method finally. The results show that effect of mold temperature on residual stress was greatest, followed by melt temperature, compression delay time and compression speed, the residual stress decreases with the increase of mold temperature and melt temperature, increases with the increase of compression delay time, and the effect of compression speed on residual stress is not obvious.
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