HS-620/630 User Guide
- 9 –
QM14 Issue 4
Fig.2 ISO 10816-3 Vibration Levels
The machine mountings affect the resonances related to the basic
running speed of the machine. Machines with rubber or spring
mountings often vibrate at low speeds following start-up, and as the
speed increases the vibration level is reduced. Such a machine is
considered to be flexible mounted.
Modern high speed machines having flexible bearing supports can also
be considered as flexible mounted even though not mounted on rubber
or springs.
A great advantage of using proper vibration measurements and
standards is that future maintenance requirements and costs can be
assessed reliably on machine commissioning. For example, if levels of
3mm/s rms are measured for a new machine, it is likely to require high
maintenance activity. The specific requirement of this is dependant on
the machine design and the advice of the machine manufacturer should
be sought.
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Summary of Contents for Hansford Sensors HS-620
Page 3: ...HS 620 630 User Guide...