6. Effect of advanced control systems on internal stress levels

As expected, given the longer effective holding pressure time, the polymer pressure control mode (BFP) generates a higher level of internal stress than the conventional hydraulic pressure control mode. This is evidenced by a reduction in resilience after molding (2 days after injection) (figure 10 ). Nevertheless, this degradation in impact performance remains limited (-15%) and is not modified by the use of the model.

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Effect of advanced control systems on internal stress levels

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(1) - CHIANG (H.H.), HIMESEKHAR (K.), SANTHANAM (N.), WANG (K.K.) - Integrated simulation of fluid flow and heat transfer in injection molding for the prediction of shrinkage and warpage - . Journal of Engineering Materials and Technology, 115, p. 37 (1993).
(2) - CHIANG (H.H.),...

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