Skin-forming apparatus and method

Provided are skin-forming apparatus and method. The apparatus includes a mold having a cavity defining a skin-forming space and a vent core system coupled to the mold for discharging residual gas. The vent core system includes a vent hole formed in the mold and connecting the cavity of the mold to the outside, a vent core mounted in the mold for opening an inlet of the vent hole to discharge the residual gas or closing the inlet of the vent hole to block leakage of the resin, a temperature sensor disposed in a resin flow course in the cavity while being spaced apart from the inlet of the vent hole by a predetermined distance, a controller, and a core driving unit for driving the vent core to perform opening and closing operations based on the control signal of the controller in accordance with the temperature measured by the temperature sensor.