Fault diagnosis and feedback system according to third octave flutter of high-speed cold rolling mill
A fault diagnosis and feedback system technology, applied in the direction of rolling mill control devices, metal rolling, metal rolling, etc., can solve problems such as endangering equipment safety, strip thickness fluctuations, amplitude divergence, etc., to improve machine life and product quality , The effect of suppressing the vibration of the rolling mill
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[0027] Such as figure 1 As shown, the fault diagnosis and feedback system for third-octave chatter of high-speed cold rolling mills provided by the present invention is composed of a rolling mill signal acquisition unit 1, a computer diagnosis control unit 2, a rolling mill vibration suppression execution unit 3, and an offline model adjustment unit 4 and 5 components of high-speed cold rolling mill.
[0028] A rolling mill signal acquisition unit (1), including a plate thickness measuring instrument (14), a plate shape instrument (13), a vibration sensor (12), a dynamic signal acquisition instrument, a tension sensor (15) and a rolling mill speed sensor (16);
[0029] A computer diagnosis control unit (2), including a signal input module, a fault diagnosis analysis module, a vibration control module and a signal output module;
[0030] The rolling mill vibration suppression execution unit (3) is composed of a TDC controller, a PLC controller, a sheet tension relaxation devi...
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