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  • Users: mcdm
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  1. mcdm

    To jraef' what does it mean

    a bit off track but Venditori de oleum-vipera non vigere excordis populi for months now i have been trying to find out what the above means can anyone help?
  2. mcdm

    NS Motors

    Hi all I overheard two electrical winders discussing NS motors when I asked them what the NS meant they simply said they were named NS after the person who designed them. Who or what is NS?
  3. mcdm

    phosphor bronze spanners for paint shop duty

    i have heard that because of the explosive nature in some paint and oil plants, some tools i.e. spanners are made of phosphor bronze can anyone offer advice on where i can get any information? best regards mcdm
  4. mcdm

    broken or cracked shaft

    hello all what spectra would you expect to get if a dc drive motor had a broken or cracked shaft regards mike cooney
  5. mcdm

    What collection specification settings do I need when collecting time

    What collection specification settings do I need when collecting time waveform, i.e. velocity mm/sec rms, acceleration g rms or displacement um rms. (iso apply as I am in the uk) Is it as simple as; when collecting data and I find a potential problem in a spectrum, should I apply the...
  6. mcdm

    What collection specification does a balancing kit use?

    Recently I flagged up a fan unit for balancing Motor 01 h = 3.7 mm/sec rms Motor 01 v = 2.8 mm/sec rms Motor 02 h = 5.7 mm/sec rms Motor 02 v = 5.4 mm/sec rms Motor 02 a =1.2 mm/sec rms Fan 03 h = 7mm/sec rms Fan 03 v = 5.1mm/sec rms Fan 04 h = 7.2mm/sec rms Fan 04 v = 8.1mm/sec rms All the...
  7. mcdm

    basic understanding of time waveform

    i am looking for any basic information on how to understand time waveform i have taken some practice readings on a desk top fan 400ms 1024 samples, 800ms 8192 samples etc.i have printed the file from universal technologies inc but i cant make head or tail of the spectra they show. can anyone...

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