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  1. As a outcome, it's important that the soften quality be monitored indirectly through the molding course of such that the processing parameters may be modified if required. Accordingly, numerous p-V-T (pressure-volume-temperature) measuring methods have been proposed for predicting the soften quality [14–17]. Many studies have confirmed that an efficient control of the p-V-T path of the molten polymer through the injection molding course of improves the quality and consistency of the final product [18–21]. Wang and Mao showed that the injection molding quality is decided mainly by the stress and temperature conditions . However, in practical on-line quality inspection and motion control techniques, the stress sign is usually preferred Boxers the rationale that} response time is comparatively quicker than that of the temperature sign [23–28]. Micro-structured polymer components may be rapidly fabricated by micro-injection molding expertise utilizing the micro-structured mold core machined by WEDM.

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