摘要
在数控粗车加工工艺过程中,由于待加工零件表面不均衡,车刀切削深度波动大,导致数控机床主轴负载扰动较大,并且加工切削参数通常固定,不能实时修调,存在车刀磨损严重、不利于延长刀具寿命的问题。因此设计了一种基于模糊控制算法的恒功率车削智能控制系统,以保持主轴功率恒定为约束条件,使用WB6830R2-P采集功率数据,西门子PLCS7-200SMART开发主轴功率数据分析系统,WinCC 7.4用于开发上位机监控系统,利用二维模糊控制器计算合适的进给倍率,通过调整坐标轴进给速度使主轴功率保持在目标值附近。以汽车变速箱的核心零部件DCT150换挡毂车削工艺为加工对象,在ETC3650数控车床上设计车削实验,功率误差不超过40 W,实验结果表明,设计的恒功率智能控制系统对数控车床控制效果好,系统响应速度较高。
In the process of CNC rough turning,due to the uneven surface of the parts to be processed and the large fluctuation of the cutting depth of the turning tool,the load disturbance of the spindle of the CNC machine tool is large.The machining cutting parameters are usually fixed and cannot be adjusted in real time.The turning tool is serious wear,it's not conducive to extending tool life.So an intelligent control system for constant power turning based on fuzzy control algorithm was designed.Keeping the spindle power constant was taken as a constraint,WB6830R2-P was used to collect power data,Siemens PLCS7-200SMART was used to develop the spindle power data analysis system,WinCC7.4 was used to develop the upper computer monitoring system,and the two-dimensional fuzzy controller was used to calculate the appropriate process,keeping the spindle power near the target value by adjusting the feed speed of the coordinate axis.Taking the turning process of DCT150 shift hub,the core component of automobile gearbox as the processing object,the turning experiment was designed on ETC3650 CNC lathe,and the power error was not exceed 40 W.The experimental results show that the constant power intelligent control system has a good control effect on the CNC lathe,and the system response speed is high.
作者
代宇铭
徐金瑜
郭傲伦
彭宇嘉
文聪
Dai Yuming;Xu Jinyu;Guo Aolun;Peng Yujia;Wen Cong(Hubei Institute of Automotive Industry,Shiyan,Hubei 442002,China)
出处
《机电工程技术》
2022年第10期83-86,共4页
Mechanical & Electrical Engineering Technology
基金
湖北省教育厅科学技术研究计划指导性项目(编号:B2020083)
湖北汽车工业学院大学生创新创业基金资助项目(编号:DC2021027)
湖北汽车工业学院2022年度校级教研项目(编号:JY2022033)。
关键词
换挡毂
恒功率
模糊控制
shifting the hub
constant power
fuzzy control
