hjy基于PL的闸瓦液压机控制系统外文翻译.doc

基于PLC的闸瓦液压机控制系统 英文及翻译 Four-column hydraulic press 1Four-column hydraulic press used????Four-column hydraulic press for plastic materials in the pressing process. Products such as powder molding, plastic molding, cold (hot) extrusion of metal forming, sheet tension and transverse compression, bending pressure, turn through, correction process.  2. Four-column Hydraulic Press Features Four-column hydraulic press with an independent power sector and the electrical system, using the button focus control enables adjustment, manual and semi-automatic three kinds of work: Four-column hydraulic pressure of work, pressing speed, load fast and slow down the schedule and the scope of may need to be adjusted according to process and can complete the top of the process, can take the top out of process, drawing process three kinds of process methods, each process has to be pressure, will be two-way action for the selection process, constant pressure molding process After the suppression of a delay with the top and automatic return. Four-column hydraulic characteristics. Four-column hydraulic press is the use of pressure compression forming objects. Is used to provide medium pressure hydraulicoil. Four-column hydraulic machine structure is simple and economical, practical. Appearance by octagonal shape. Four-column hydraulic press control electrical box with glass doors, PLC or computer control two general appliances, with reliable, reliable, direct action, and maintenance. Centralized control of the independent button. With the adjustment, his hands a single cycle of two kinds of operation mode. Four-column Hydraulic Press Hydraulic Control Valve can be used integrated system, and reliability, long life, small hydraulic impact, reducing the connecting pipe and the leak point, or common hydraulic control two. ? 3. Four-column hydraulic machine failure and maintenance of the common methods ?? ????Four-column hydraulic machine failure and maintenance of the commo