Page 11 - Industrial Technology Extra 7th September 2020
P. 11

detected by SmartCheck and reported via
                                                  the customer’s control system, thus
                                                  allowing incipient bearing damage to be
                                                  detected at an early stage. Monitored
                                                  parameters include vibration, temperature,
                                                  speed and cavitation.
                                                    The local dealer Supplimax, a certified
                                                  Schaeffler partner, recommended the
                                                  systems and will be providing future on-site
       water, air and environmental resources. The   service advice. As a result of Schaeffler’s holistic
       company’s area of responsibility includes   predictive monitoring solution, the customer is
       maintaining the operation of pumping stations. In   seeing a number of benefits:
       order to avoid flooding in its area of responsibility,   l  Prevention of unplanned downtime of the
       the customer built a pumping station. A catch basin   pumping station during ongoing operation.
       and three propeller pumps in the pumping station   l  No costs incurred by production stoppages.
       ensure that any excess water is pumped out and   l  No secondary damage to motors and pumps.
       diverted accordingly.                l  Low acquisition costs of the monitoring systems.
         Inadequate pump monitoring led to the   l  Reduced maintenance costs.
       unforeseen failure of a bearing. As a result of this,   l  Increased plant availability.
       the pump wheel began to vibrate, causing 5cm of   l  Greater security due to self-reporting systems.
       wear to the pump housing. In order to prevent   Working on the basis of just one occurrence of
       pump failures due to bearing damage in the future,   bearing damage per year, the following savings
       the customer sought a condition monitoring solution   would be acheived using the monitoring systems:
       for the pumping station.               As the pumping station is not manned on a
         Schaeffler experts recommended installing six   permanent basis, remote monitoring provides a
       CONCEPT2 automatic lubrication systems for   sound alternative method of observing the system.
       lubrication of bearings in the motors and pumps.   This holistic solution can also be applied and
       This solutions permits ongoing and reliable   extended to other units in almost any plant.
       lubrication of the bearings. CONCEPT2 supplies two   www.schaeffler.co.uk
       lubrication points independently of each
       other and withstands pressures up to 50
                                      ESTIMATED SAVINGS FOR THE CUSTOMER
       bar.
         Schaeffler  also  recommended
       installing nine SmartCheck condition   Annual maintenance expenditure (8 h).................................... €1,000
       monitoring devices to monitor the three   One-off expenditure for SmartChecks and CONCEPT2.......... €14,000
       pump/motor units. Two SmartChecks are   Pump damage without monitoring systems........................... €50,000
       installed per unit to monitor the upper
       and lower motor bearings, plus an   With monitoring system
       additional SmartCheck on each of the   Cost saving following initial occurrence of damage............... €35,000
       pump bearings. Any deviations or   Cost saving with each subsequent occurrence of damage..... €49,000
       changes in vibration behaviour are

                         September 2020 • INDUSTRIAL TECHNOLOGY EXTRA • p11
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