数字液压缸在数控折弯机液压控制系统中的应用与分析

摘要

CNC bending machine is special equipment for sheet metal processing.In order to realize the synchronous control of the hydraulic cylinder of the bending machine,the traditional way is to use the proportional control valve to control the hydraulic cylinder for the purpose of the hydraulic system synchronous control.In order to improve the production efficiency,control precision and product quality of the existing CNC bending machine,it applies the digital hydraulic cylinder to the hydraulic control system of the CNC bending machine.It builds the mathematical model of the digital hydraulic cylinder,obtains the simulation analysis,shows that the digital hydraulic cylinder application to the hydraulic control system of the CNC bending machine can simplify the control system,reduce the complexity of the control system,simplify the control process,and improve the control accuracy of CNC bending machine and the quality of the product.%数控折弯机是板料加工的专用设备,为实现折弯机液压油缸的同步化控制,传统的方式多为采用比例控制阀控制液压缸实现同步动作,达到液压系统同步控制的目的.为了提高现有数控折弯机的生产效率、控制精度及产品质量,将数字液压缸应用于数控折弯机的液压同步控制系统,建立数字液压缸的数学模型,进行仿真分析,仿真结果显示:将数字液压缸应用于数控折弯机的液压控制系统,可以简化控制系统,降低控制系统的复杂程度,简化控制流程,提高生产效率,提高数控折弯机的控制精度,进而提高了产品的质量.