【纺织；造纸】挤压部【化学】压榨部

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

the press

hydro-dynamic press

office lithographic proof-print press with attachments for perforating

single-daylight hot platen press

gravure offset printing press

Tablet polisher tablet press

ironing press with shifting tables, ironing press with changing tables

baling press, swinging plunger press