【摘要】 在已有液压回路的基础上,提出了一种新的、用于实现动力滑台运动的二工进调速阀的两工进速度换接回路,给出了其组成图和工作原理。采用FX2N-32MR型PLC设计了其控制系统,得出了新回路及其控制系统的特点,展现了PLC在工业控制领域的广阔应用前景。并介绍了新回路在机械加工中的应用。更多还原

【Abstract】 On the basis of old hydraulic circuit,a new valve named Speed Contorl Valve of Two Work Speeds in changes of two work speeds in the hydraulic circuit to realize the movement of power sliding feed table has been brought forward,with chart of its makeup and principle of work offered and its control system been designed by Model FX2N-32MR PLC.The characteristics of the new hydraulic circuit and control system have been obtained.The PLC’s broad prospect of application in the field of industrial control has been presented with application of the new circuit in typical hydraulic system of drilling and boring modular machine tool introduced.更多还原