A raw mill at a cement manufacturer’s
UK site has maintained vital
production throughput, due to the
swift response of a diagnostic
monitoring and back-up service
from Siemens Mechanical Drives.

The company had a programme of
pro-active maintenance in place and
opted for a condition monitoring
service from Siemens for the drive
unit running the raw mill. The
Siemens Combiflex DMGH is 2.5m
tall by 1m wide. At its heart was a
Flender girth gear. The monitoring
service ensured regular checks were
made on bearings, vibration analysis
and wear characteristics.

During a routine check the early
stages of potential bearing failure were
found and shutdown was scheduled.

A spare gear unit kept on site was
installed; the other unit was returned
to Siemens for bearing and seal change
before being returned to site.