SKF Condition Monitoring Systems

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Rebecka Larsson
för 8 år sedan
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2 SKF Condition Monitoring Systems PM Karlsson Product Manager Sweden SKF Slide 2

3 How do you monitor your machinery? SKF Slide 3

4 Vibration readings What can you se using vibration measurements? SKF Slide 4

5 When to monitor? SKF Slide 5

6 Common machine problems Felmonterade lager Trasiga rotorstavar Fasproblem i motorer Uppriktningsfel Växellådsproblem Flödesproblem Softfoot Obalanser Slitna kilar, glapp etc SKF Slide 6

7 Rotating machinery SKF Slide 7

8 Vibration readings Unbalance SKF Slide 8

9 Vibration readings Looseness SKF Slide 9

10 Vibration readings Misalignment SKF Slide 10

11 Gear box: broken tooths SKF Slide 11

12 CTA Analys =Cycle Time Averaging Before CTA Thos tool displays events that is constant In every revolution After CTA Rotating events is enhanced non synchrony fades away SKF Slide 12

revolution After CTA Rotating events is enhanced

13 Gear box: broken tooths SKF Slide 13

14 Bent shaft or eccentric rotor SKF Slide 14

15 Bearing and gearbox damages Early outer race damage SKF Slide 15

16 Shock pulses Every ball that passes the damage causes a shock SKF Slide 16

17 Vibration readings Bearing failure over time Time before breakdown Visible in Envelop Feel, Smell and Hear Damage occur Visible in vibration readings SKF Slide 17

18 Vibration readings Early bearing failure using vibration technique SKF Slide 18

19 Vibration readings Bearing failure over time Time before breakdown Visible in Envelop Feel, Smell and Hear Damage occur Visible in vibration readings SKF Slide 19

20 Vibration readings Early bearing failure using Envelope technique SKF Slide 20

21 User interface Analysis Production/Management Alarms Localize Analyses & understand SKF Slide 21

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27 Reality pictures SKF Slide 27

28 Reality pictures SKF Slide 28

29 What is adequate lubrication? with the right lubrication system The right lubricant in the right amount at the right time at the right lubrication point. Introduction Lubricants Lubricators Centralized lubrication systems Services SKF Slide 29

30 Main reasons for Bearing failure.. 55% of all failure is related to lubrication and contamination which is a costly truth! SKF Slide 30

31 How automatic lubrication works Over-greased = waste and pollution Optimal lubrication Time Under-greased = premature wear, high repair costs Automatic lubrication Manual lubrication Introduction Lubricants Lubricators Centralized lubrication systems Services SKF Slide 31

32 Savings due to automatic lubrication Case from Pulp & Paper mill SKF Documented Solutions Program Year Introduction Lubricants Lubricators Centralized lubrication systems Services SKF Slide 32

33 Payback time of automatic lubrication Automatic grease system on pulp drying machine wet end SKF Documented Solutions Program Million USD 1,6 1,4 1,2 1,0 0,8 0,6 0,4 0,2 0-0,2-0, Years from investment Introduction Lubricants Lubricators Centralized lubrication systems Services SKF Slide 33

34 From manual to advanced lubrication solutions Centralized and automatic lubrication systems Proactive maintenance Multi-point automatic lubricators Single-point automatic lubricators Manual lubrication Introduction Lubricants Lubricators Centralized lubrication systems Services SKF Slide 34

35 SKF solutions engineered to your reality SKF can provide integrated lubrication solutions that take advantage of our knowledge areas to optimize within countless of applications. We will be able to make a system that you will benefit from, - oil or grease. EX. exposed areas.. Food & Beverage Machine tool Marine Construction Pulp & Paper Railways Wind energy Metals Mining Mineral processing Cement SKF Slide 35

36 SKF Trafikljuskoncept - driftstemperaturområde Förbjudet driftsområde - använd ej Otillförlitlig prestanda (använd endast för korta perioder) Tillförlitlig prestanda, dvs med förutsägbar fettlivslängd TEMPERATUR (mätt på lagrets ytterring) LTL LTPL HTPL HTL LTL = Lågtemperaturgräns Den lägsta temperatur vid vilken fettet tillåter start av lagret utan svårighet LTPL = Lågtemperaturprestandagräns Under denna gräns kan tillförseln av smörjmedel till kontaktytorna bli otillräckliga. Värden är olika för rull- och kullager. HTPL = Högtemperaturprestandagräns Över denna gräns oxiderar fettet på ett okontrollerbart sätt, så att fettlivslängden inte kan bedömas tillförlitligt. HTL = Högtemperaturgräns När temperaturen överstiger denna gräns förlorar fettet sin struktur permanent (till exempel droppunkten för tvåbaserade fetter) SKF Slide 36

37 SKF Trafikljuskoncept - SKF smörjfett Temperaturområden för SKF smörjfett anges enligt följande: 1) LTL = Lågtemperaturgräns 2) HTPL = Högtemperaturprestandagräns Temperatur [ C] SKF Slide 37

38 Snabbguide för fettval (eftermarknad) Grundval av SKF standard smörjfett (eftermarknad) SKF Slide 38

39 SKF Slide 39 Guide för val av SKF standardfett

40 SKF smörjfett - tekniska specifikationer Huvudkatalog 6000, se sidan SKF Slide 40

41 Dial Set, On-line program for ettersmøring SKF Slide 41

42 Dial Set, On-line program for ettersmøring SKF Slide 42

43 Dial Set, On-line program for ettersmøring SKF Slide 43

44 Condition Monitoring Technologies Portable devices, surveillance systems and machine protection systems Single and networked databases based on enterprise software Ethernet File Server Wireless Pens Transmitters Continuous Surveillance Protection Portable data collectors and analyzers Accelerometers Eddy Probes SKF Slide 44

45 Handheld devices There are currently three distinct mobile device types available: Touch Screen Only Keypad Only Hybrid SKF Slide 45 60

46 Process Points Key Performance Indicators (KPIs) Multi-parameter input Sustainability SKF Slide 46

47 Together we are strong SKF Slide 47

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