press machine,hydraulic machine,four column hydraulic machine,semiautomatic,PLC control This series of press is applicable for such processes of metal materials as drawing, ... rolling bracket,top-mounted hydraulic system,slider lock mechanism.2.main circuit:50HZ/380-415V ,three phase ,control circuit is DC24V.3 ... 1000 1600x1600 1450 1600x1600 74 52 Y71 -400T four column hydraulic press machine