G30002 MILL 1 JYLHAVARAMILL NR

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Presentation transcript:

G30002 MILL 1 JYLHAVARAMILL NR G30002 MILL 1 JYLHAVARAMILL NR.1 Envelope filter 3 (500-10kHz) motor NDE Rotational speed ≈736 rpm Sidebands, zoomed this area to find modulationfrequency

G30002 MILL 1 JYLHAVARAMILL NR G30002 MILL 1 JYLHAVARAMILL NR.1 Envelope filter 3 (500-10kHz) motor NDE Zoom: Sidebandspacing ≈ 1,8 hz Polepassfrequency=(750-736)/60*8=1,87 hz

G30002 MILL 1 JYLHAVARAMILL NR.1 Velocity motor NDE

G30002 MILL 1 JYLHAVARAMILL NR.1 TWF motor NDE

G30002 MILL 1 JYLHAVARAMILL NR.1 Acceleration 3000hz motor NDE

Latest measurements, 2.Mar-07 Envelope filter 3 (500-10kHz) motor NDE

Velocity motor NDE

TWF motor NDE

Acceleration 3000hz motor NDE