Thanks to the superb documentation supplied by Cinefil-san, would interpret 再突出 as referring to the "2nd visual inspection phase" of the monitoring cycle programmed to protect the mold, i.e the one occurring AFTER ejection of the molded item. (突き出し suggesting here the movement of a 'peeking in' action of the monitoring device to get a better look at the die mold faces then in opened position.