针对冲压机，模内监控主要起到的作用在于闭模前对模穴，模芯、产品以及冲针、镶块、螺丝弹簧等残留物进行检测。当然也针对送错料，卡料，拱料以及叠料等异常情况的检测。

For the stamping machine, the  mold monitor  is to detect the mold cavity, mold core, product, punch pin, insert, screw spring and other residues before closing the mold. It also aims at the detection of abnormal conditions such as misfeeding, jamming, arching and stacking