摘要
采用LMS公司的Test.lab实验系统,通过加速度传感器对消隙优化后的高速铣齿机主轴箱进行动态测试,着重研究刀具主轴回转运动产生的振动加速度。应用Matlab软件对振动信号进行消除趋势项、平滑、滤波、数值积分等处理,得到采样时间内的振动位移曲线,即刀具主轴的回转误差曲线。经与仪表测得的单向振动位移曲线对比可知:该振动信号采集及处理方法对该机床主轴箱y向的误差测量具有较好的指导意义,为工艺误差诊断和误差补偿提供了依据。
A dynamic testing was made on the optimized spindle box of a high-speed gear milling machine using LMS＇s Test. lab experimental system and acceleration sensors, focusing on the vibration acceleration generated by the tool spindle＇s rotary motion. Matlab software was used to do the processing for the vibration signals, such as tendency elimination, smoothing, filtering, numerical inte- gration. The vibration displacement curve within sampling time was obtained, namely the tool spindle rotary error curve. The curve was compared with the unidirectional vibration displacement curve gotten by dial gauge. It is indicated that ： the vibration signal acquisition and processing method has better guiding significance on y axis error measuring for the spindle box. It provides basis for process error diagnosis and error compensation.
出处
《机床与液压》
北大核心
2012年第13期16-18,共3页
Machine Tool & Hydraulics
基金
国家科技重大专项(2010ZX04011-032)
江苏省科技型企业技术创新资金项目(BC2009012)
南京市2010年第二批科技发展计划(201002006)
