The article particularizes the theory, configuration and use ways of turnover drill press clamp under the control of PLC .And finally shows the trapezoid drawing of PLC and hydraulic pressure chart.

• 详细说明了基于PLC控制的自动翻转夹具的原理、结构和使用方法,并结合实例给出了PLC的梯形图和液压原理图。