section roll meaning in English
型材轧辊
Examples
- After the optimization of optimization of its production mix and upgrade of its business by persisting in the strategy of " make leading toadvantages " , - tonggang has owned a series of sophisticated process equpments , such as sec - ondary refining , high efficient continuous casting , sections continuousroll - ing , small sections rolling , hith speed wire rode rolling steel strand produ - ction lines and so on . it strengthens the developing momentum of the enterprise in the new century
通钢集团坚持实施品牌战略，走精品名牌发展之路，依托科技进步，优化产品结构，推进产业升级，现已形成以转炉精练、高效连铸、型钢连轧高速线材、小型连轧、钢绞线等为主体的具有国际、国内领先水平的工艺装备，全面增强了企业发展后劲。 - A time - frequency analysis method is presented to solve paper machine press section bearing vibration signals of unstable and complication , applying wavelet function to the unstable signals for faulty bearing according to paper machine press section roll bearing characteristic , and process the vibration signals by means of decomposition and reconstruction , obtaining the vibration signals in different frequency bands , the statistic in frequency domain of relevant frequency bands is served as monitoring feature
摘要针对纸机压榨部滚动轴承尺寸大响应弱、运转速度低、低频信号容易淹没、调制源多、振动信号非平稳性等特点而导致常规的傅立叶分析诊断故障效果不佳的情况，提出了一种应用小波变换的时频分析方法，对振动信号进行分解和重构处理，获得了振动信号在不同的频段的分量，提取相应特征频段重构分量的功率谱的频域统计值作为特征参数，从而实现对轴承故障诊断。