fan upgrade service - skf · 2020. 5. 4. · variants: c3, k7, special drillings drain holes: saf...
TRANSCRIPT
![Page 1: Fan upgrade service - SKF · 2020. 5. 4. · Variants: C3, K7, special drillings Drain holes: SAF 507-515 3/8 ” NPT SAF 516-526 ¾” NPT SAF 528-544 1 ” NPT 1 to 2 drain holes](https://reader031.vdocuments.us/reader031/viewer/2022012000/60746f206f835c6a810e1c12/html5/thumbnails/1.jpg)
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2008-06-17 ©SKF Slide 2 [Code] SKF [Organisation]
Fan upgrade serviceUSA: lubrication systems
SKF Industrial Fans
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2008-06-17 ©SKF Slide 3 [Code] SKF [Organisation]
Definition of automated lubrication technology
• Automated lubrication technology deals with the design and manufacture of equipment and systems to:
- transport, - measure and meter out,
• Lubricants to bearings and lube points to:
- lubricate,- seal,- dissipate heat,- transport particles of wear from bearings, housings
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2008-06-17 ©SKF Slide 4 [Code] SKF [Organisation]
Centralized grease lubrication system
• Improve reliability
• Correct lubrication at correct intervals
• Reduce contamination
• Reduce costs
• Reduce downtime
• Reduce lubrication costs
• Improve safety
• Reduce exposure to dangerous locations
• Environmental
• Reduce lubricant waste
• Reduce lubrication spillage
Continuous or intermittent lubrication
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2008-06-17 ©SKF Slide 5 [Code] SKF [Organisation]
Systems - Centralized Lubrication Systems
Progressive systems
How system works:
• The system consists of a pump, a progressive feeder and a control unit.
• The amount of lubricant delivered by the pump isdivided up by the progressive feeder and fed to thelube points.
• The lubricant is metered out via pistons.
• Each piston can discharge its lubricant only after the preceding one has discharged its.
--> simple monitoring of lubricant delivery
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2008-06-17 ©SKF Slide 6 [Code] SKF [Organisation]
Progressive type system
Electrically operated pump with a self contained reservoir and controller
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2008-06-17 ©SKF Slide 7 [Code] SKF [Organisation]
Automated Lubrication Systems
Progressive systems
Applications
• For small and medium-sized machines with the many lube points requiring heavy grease (up to NLGI 2).
• Suitable also for small circulating-oil systems
Difficult: planning, changing metering rates, changing the number of lube points.
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SKF circulating oil lubrication
2008-06-17 ©SKF Slide 8 [Code] SKF [Organisation]
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2008-06-17 ©SKF Slide 9 [Code] SKF [Organisation]
2006-03-24 © SKF
Reduce total cost of ownership by increasing reliability and lowering maintenance costs, by a unique combination of bearing units and dedicated lubrication systems.
The SKF solution consists of •self-aligning bearing system•standard SAF, SNL or SONL housings and seals. •lubrication systems
Value proposition and solution
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2008-06-17 ©SKF Slide 10 [Code] SKF [Organisation]
Technical impact
Current Situation Value for Customer
Bearing temp.(°C)105 °C 75°C
Fan speed (rpm)
Perform
ance
Lubricating and Oil cooling / filtering system
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2008-06-17 ©SKF Slide 11 [Code] SKF [Organisation]
Automated Lubrication Systems
Re-circulating lube oil systems
How they work
• Conditioned (de-aerated, dried, filtered, cooled) oil is circulated through the lubrication points.
• The purpose of the system is to lubricate and very often to to cool the lube point.
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2008-06-17 ©SKF Slide 12 [Code] SKF [Organisation]
Automated Lubrication Systems
Pumping skid:
Flowmeter panel
System piping
heater filterpumps
return linereturn line
pressure linepressure line
Reservoir
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2008-06-17 ©SKF Slide 13 [Code] SKF [Organisation]
Standardized offers: new SKF solutions
Standard
Control option
Safety critical option
• Filtered oil
• Temperature control
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2008-06-17 ©SKF Slide 14 [Code] SKF [Organisation]
USA range offers: 4 standards with option
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2008-06-17 ©SKF Slide 15 [Code] SKF [Organisation]
Fan bearing lubrication unit
Control unit
Pump
Pressure gauge
Flow meter
Filters
Oil level sight glass
Oil reservoir
Pre-heater
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2008-06-17 ©SKF Slide 16 [Code] SKF [Organisation]
Technical specifications
All units include:
• Motor, 230/460V, 60Hz
• Single circuit gear rotor pump unit with adjustable
pressure regulating valve
• Sight glass for oil level
• Level switch
• Return port
• Pressure gauge
• 10 micron filter with electrical contamination indicator
• Two point flow meter
• Heater with integrated thermostat- 2kW, 460 V, 60 Hz
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2008-06-17 ©SKF Slide 17 [Code] SKF [Organisation]
Lubrication units for SAF ….VZ pillow blocks
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2008-06-17 ©SKF Slide 18 [Code] SKF [Organisation]
Oil circulation for CARB in (F)SAF …/VZ709
Size range: SAF 507 thru 544Example designations:SAF 530/VZ709SAF 22530/VZ709Variants: C3, K7, special drillingsDrain holes:SAF 507-515 3/8” NPTSAF 516-526 ¾” NPTSAF 528-544 1” NPT
1 to 2 drain holes
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2008-06-17 ©SKF Slide 19 [Code] SKF [Organisation]
Oil circulation for SRB in (F)SAF…/VZ 708
Size range: SAF 507 thru 544Example designations:SAF 530/VZ708SAF 22530/VZ708Variants: C3, K7, special drillingsDrain holes:SAF 507-515 3/8” NPTSAF 516-526 ¾” NPTSAF 528-544 1” NPT
1 to 4 drain holes
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2008-06-17 ©SKF Slide 20 [Code] SKF [Organisation]
SF05/10/15 Oil Flowmeter
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2008-06-17 ©SKF Slide 21 [Code] SKF [Organisation]
Safeflow features and benefits
Operating Principle
Simple, one-time calibration
� Easy to recalibrate
� Easy to monitor (one glance)
� Floats are always visible
� Doesn't necessarily require electrical alarm
Standard Pyrex Glass Tube
Floats always visible
� Hi temperature resistance
� Synthetic oil use possible
� No clouding due to steam
� No wear
� Self cleaning
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2008-06-17 ©SKF Slide 22 [Code] SKF [Organisation]
Safeflow features and benefits
Thermometer
� Accurate calibration
� Visual oil temperature monitoring by section
� Allows system troubleshooting
Low Flow Alarm
� Optional (future) installation
� One-line monitoring
� No manual inspection required
� Eliminates human errors (disconnects quickly)
� Alarm system can be used only for most critical points
Interchangeable Flow Tubes
� Allows future changes (higher flow rate)
� Allows future use of heavier oil
� One bank can hold two different sizes
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2008-06-17 ©SKF Slide 23 [Code] SKF [Organisation]
Safeflow features and benefits
Adjustment Valve
� Limited clogging
� Individual flow tube shut-off
� Avoids unauthorized tinkering (locking nut)
Viton O-rings
� Use of any oil
� Hi temperature compatibility
� Easy maintenance
� No leakage
Single Oil Inlet
� Easier installation
� Less fittings
� Rigid construction
� Easily maintained
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2008-06-17 ©SKF Slide 24 [Code] SKF [Organisation]
SF05/10/15 and SF 20A combination
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2008-06-17 ©SKF Slide 25 [Code] SKF [Organisation]
Alarm sensors
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2008-06-17 ©SKF Slide 26 [Code] SKF [Organisation]
Oil flow calcualtion program
• An oil flow calculation program will be available.
• In the meantime will Galaxy BeaTemp be the
calculation tool to determine the required oil flow.
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2008-06-17 ©SKF Slide 27 [Code] SKF [Organisation]
Lubrication: Grease vs Oil
Pros and cons with grease: Pros and cons with oil:
+ Easy to retain in the housing + Wide operating temperature range
+ Good sealing function in labyrinths + Can be cooled
+ Less costly lubrication system + Can be cleaned
+ Long service life
+ More reliable lubrication
- Cannot be cooled - More costly lubrication system
- Cannot be cleaned - More complicated seals
- Limited temperature range
- Less reliable lubrication
- Leakage of used grease
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Solution summary
2008-06-17 ©SKF Slide 28 [Code] SKF [Organisation]
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SKF solution summary
2008-06-17 ©SKF Slide 29 [Code] SKF [Organisation]
• SAF Housing,grease lubrication and low friction seals
• Automatic grease lubrication sytems
• Self-aligning solution
• Circulating oil lubrication
• Engineering service,
• e.g. Cooling disc, Galaxy, BeaTemp
• Lubricant selection,
• SYSTEM 24 and SYSTEM MultiPoint
• The appropriate grease, amount and method
LubeSelect
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2008-06-17 ©SKF Slide 30 [Code] SKF [Organisation]
Sales promotion material
2008-06-17 ©SKF Slide 30 [Code] SKF [Organisation]
Brochure publication number 6597