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Electricpete With regards to the High Pass Filters, we have moved away from using the "Smart HP" and "overall" filters as it cuts off relevent info for slower speed machines (we insted use 0.36Hz, & 5.3Hz H.P filters in Velocity, and 0.18Hz(?) and 2.67Hz H.P filters in...

Electricpete, Excellent, that now makes a lot more sense. Does the TWF that the analog overall is derived from have any resolution parameters? and what effect will the use of HP filters have on it? (i'm assuming none as the spectral conversion is done after the fact). Cheers Craig Berry New...

We currnetly use ENTEK software and take magintude readings and Spectral readings in Velocity and Accerlation. I've always assumed the energy from the spectral reading is the area under the spectra for the Fmax stated, but I'm unsure of the parameters for the magnitude energy reading, (it's...

I have a large Beloit double disc refiner driven by a Seimens 350kW 8 pole motor. Recently there has been a change in the motor vibration readings. TWF of the DE of the motor shows what looks to be a beat frequency type TWF with impacts of motor speed phasing in and out at ~16 x motor speed...

I'm currnetly trying to calculate a safety factor for a redesigned rotor being retained by 12 10mm bolts, I have tried to calculate the torque of the rotor (using Torque=inertia*angular Acc)and then divide by the Bolt PCD Radius, but have instead used the following eqn...