基于总线控制的面齿轮复杂曲面加工技术

Processing technology of face gear complex surface based on bus control

提出了一种基于EtherCAT总线的开放式多轴联动数控机床控制方式,研制了面齿轮专用数控加工设备。以面齿轮成形原理为基础,分析了蜗杆滚刀和碟片铣刀加工面齿轮的原理和方法,进行面齿轮数控加工坐标转换和刀位计算。给出了基于机床结构的面齿轮数控加工等价方法,进行面齿轮试件加工试验,通过pmm-c700三坐标测量机对试件产品进行齿面检测,得到面齿轮齿面点法向偏差范围,符合面齿轮齿型特点要求。验证了机床结构和加工方法的可行性,为面齿轮的工程化应用奠定了基础。

A control method for five-axle linkage CNC machine tools was proposed based on EtherCAT,and special CNC processing equipment for face gear was developed.The principles and methods of hopping and milling were analyzed on the basis of the principle of face gear cutting.The CNC processing coordinate conversion and tool path generation of hopping and milling were conducted.The CNC methods of processing were given based on the structure of the special face gear machine,and processing experiments of face gear were conducted.The coordinate values of tooth surface points were detected by pmm-c700 CMM,and the deviation ranges in the normal direction of face gear surface were obtained.The results verify that the structure of the machine and the processing methods are feasible,which lay the foundation of engineering applications of face gears.