... fededing system,optical sensor sending singal , PLC control , speed adjustable.2.Feeding buffer : feeding buffer could slove the ... automatic runing out.6.Punching Sturction :high presicion machinery working sturction , Can continuous high-speed rushed out accord with EIA standard ... ,According to the hierarchical order neat around the tray, speed adjustable. Specification : 1.Power supply :220V 50-60HZ ...