Commercial Standards (DLI Machinery Vibration Severity Chart)
The chart shown here can be applied to a large number of rotating machines with reasonable confidence. It is a distillation of data from a wide range of industrial machinery, and is considered more up to date and useful than the above mentioned standards.
|
Vibration Level |
Below 30 Hz |
30 Hz - 1000 Hz |
Above 1000 Hz |
|
Extreme
|
10 mils p-p
|
125 VdB rms
|
0.282 G rms
|
|
Excessive
|
4.2 mils p-p
|
117 VdB rms
|
0.020 G rms
|
|
Tolerable
|
1.5 mils p-p
|
108 VdB rms
|
0.007 G rms
|
|
Acceptable
|
0.6 mils p-p
|
100 VdB rms
|
0.003 G rms
|
The same information is shown graphically below: