基于STM32的数控机床主轴位置自动测量仪设计  

Design of automatic measuring system in CNC machine tools principal axis′s position based on STM32

作　　者：黄平[1] 于光平[1] 

机构地区：[1]沈阳工业大学信息科学与工程学院,辽宁沈阳110870

出　　处：《微型机与应用》2015年第12期73-75,79,共4页Microcomputer & Its Applications

摘　　要：数控机床主轴与尾台顶尖是否处于同一水平线决定了机床的加工精度,因此对机床主轴位置的偏移角度进行精密测量是极其必要的。介绍了由STM32F103RBT6主控电路、刀型探头式光栅传感器以及模拟机床主轴的标准测试棒组成的测量系统,详细叙述了系统的电路工作机理和相关机械结构设计。研究分析了传感器输出信号的处理过程,提出了基于光栅位移传感器的绝对零位修正和刀形探头的弹性机械结构快速接触到水平、垂直方向测量点的方法,提高了系统定位精度。测量结果表明,该仪器可应用于数控机床生产企业的实际测量,有效地提高了机床生产效率和生产质量。Whether the computer numerical control （CNC） machine tools principal axis and tail table top is in the same horizontal line determines the processing precision of machine tools. It is significant to carry on precise detection for the position of the principal axis of CNC machine tools. The automatic measuring system about CNC machine tools principal axis made up of controller circuit on STM32F103RBT6 and knife-edge probe grating transducer and standardized testing prod which simulates the principal axis was introduced in this thesis. The circuit working mechanism and related mechanical structure design were narrated in detail. The output signal processing of sensors was studied and analyzed. The method of using knife-edge probe and elastic mechanical structure to contact the measurement points in horizontal and vertical direction to detect rapidly which enhances the system positioning accuracy was proposed. The result of the experiment indicates the measurement instrument can be applied in productive practice which improves the machine tool production efficiency and quality effectively.

关 键 词：机床主轴 尾台顶尖 STM32F103RBT6 刀形探头 光栅传感器 绝对零位 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]