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1、2008-03-21 SKF Slide 1SKF Mining, Mineral Processing & CementSKF solutions for crushersSKF 1 Industrial Team2008SKF Mining, Mineral Processing and Cement2008-03-21 SKF Slide 2SKF Mining, Mineral Processing & CementSKF solutions for crushersJawGyratory / coneRollImpact Bearings Seals Housings Sleeves
2、 Hydraulic assist & pumps Alignment tools Lubricants Circulating oil systems Fault detection Reliability Systems Total Shaft Solutions2008-03-21 SKF Slide 3SKF Mining, Mineral Processing & CementJaw crushersCrusher type Single toggle Double toggle (less common)Bearing Operating Characteristics Consi
3、derable loads Shock loads Moderate/low speed, 150-200 rpm Harsh environment Reliable operationRoot Cause Failures Bearings jamming in housing Labyrinth faulty design Lubrications Bearing seating wear OverloadSingle togglejaw crusherDouble togglejaw crusher2008-03-21 SKF Slide 4SKF Mining, Mineral Pr
4、ocessing & CementSKF solutions for jaw crushers SKF Explorer bearings 31-series (spherical roller bearings + CARB) Normal clearance or C3 Shaft tolerance h9, withdrawal sleeves AOH SKF Copperhead fault detection Seals Maintenance Products Lubrication2008-03-21 SKF Slide 5SKF Mining, Mineral Processi
5、ng & CementGyratory / cone crushersCrusher type Cone GyratoryBearing Operating Characteristics Heavy loading Chock loads Low to Moderate speed, 300-400 rpm Some high temperature Dusty environment Reliable operation up to 40 000 hrsRoot Cause Failures Contamination Lubrication Seals failure Bearing s
6、eatings wear2008-03-21 SKF Slide 6SKF Mining, Mineral Processing & CementSKF solutions for gyratory / cone crushers SKF Explorer bearings 230-series (spherical roller bearing) C30-series ( CARB with MB-cage) 294-series (spherical roller thrust bearing) C3 clearanceSKF Copperhead fault detection Circ
7、ulating oil systems Seals2008-03-21 SKF Slide 7SKF Mining, Mineral Processing & CementRoll crushers / compactorsRoll crusher/press type Cement Hard rock Compaction PressBearing Operating Characteristics SRB, CRB D 200 - 1600 mm Heavy loading C/P=2 Low speed 15-25 rpm Dusty and hot environment High m
8、isalignment 0,5-1,0 RelubricatedRoot Cause Failures Cracked rings due to indentions Water corrosion Highly worn cages and bearing tracks, due to contamination Deflection under operation Angular misalignment Lubrications Incorrect mounting2008-03-21 SKF Slide 8SKF Mining, Mineral Processing & CementS
9、KF solutions for roll crushers SKF Explorer spherical roller bearing SensorMount Seals SKF Copperhead fault detection Grease lubrication Lubrication systems Maintenance products & Services2008-03-21 SKF Slide 9SKF Mining, Mineral Processing & CementImpact crushersCrusher type Hammer mill Impact crus
10、herHammer millImpact crusherBearing Operating CharacteristicsRoot Cause FailuresHeavy loading (high rotor weight)Bearings jamming in housingChock loadsImbalancingModerate or high speedSeal failuresOutdoor, dusty environmentLubrications Reliable operation2008-03-21 SKF Slide 10SKF Mining, Mineral Pro
11、cessing & CementSKF solutions for impact crushers SKF Explorer bearings 231-series (spherical roller bearing) C31-series ( CARB) Normal clearance Shaft tolerance h9 with adaptor sleeves SKF Copperhead Lubrication Maintenance Products Housings and accessories K7 bore tolerance (M7 or P7 for non-split
12、) Oil bath2008-03-21 SKF Slide 11SKF Mining, Mineral Processing & CementBearings and Units platformBearings for vibrating screensSleeves with oil injectionBearingsand unitsSealed sphericalConCentra unit rollerroller bearingSensorMount2008-03-21 SKF Slide 12SKF Mining, Mineral Processing & CementSKF
13、Explorer performance class bearingsOffers longer service life through improved:Heat treatmentManufacturingDesign2008-03-21 SKF Slide 13SKF Mining, Mineral Processing & CementSKF Total Shaft Solution Eliminate problem of the floating (non-locating) bearing seizing in housing Reduce operating forces a
14、nd temperatures Reduce vibrationsTypical ApplicationsFansConveyorsImpact crushers/hammermillsVibrating screensGearbox (industrial & automotive)Grinding mills/Paper mills/Steel mills2008-03-21 SKF Slide 14SKF Mining, Mineral Processing & CementSKF Total Shaft SolutionOptimized loading with CARB and n
15、o axial frictionFloating (non-locating) bearing seizes in housings causing axial loading, friction and heatBearing seizesFrin housingFaFrCARB can not supportaxial loads.Shaft moves insideCARB.Fa = Fr x Fa = 0Result is highResult is lower forcesloading inand temperaturesbearings2008-03-21 SKF Slide 1
16、5SKF Mining, Mineral Processing & CementHousings and Seals for Impact CrushersSKF split housings fordemanding applicationsSNL X-large 30, 31Taconite sealSNL large 30, 31Abrasive environmentAngular misalignment 0,3 Axial shaft movement up to 4 mm150 mm 300 mm320 mm 480 mmMaterialHousingYield strenght
17、Tensile strengthEElongationqualitysuffix(Rp 0.2 N/mm2)(Rm N/mm2)(kN/mm2)A 5 (%)SS0717SpheroidalSNLD25040017018graphite ironSS0727SpheroidalSNL MD33505001707graphite ironComparison; Cast steel GS45 (SS1305)250500210182008-03-21 SKF Slide 16SKF Mining, Mineral Processing & CementAdapter sleeves for cr
18、ushersAdaptor sleeves for spherical roller bearings and CARB Hydraulic assist std bore 200mmThree different types depending on shaft size;Adapter sleeve onstepped shaft Exact location of bearingHEHLOHEKMFE nutKML nutHME nutCustomer valueAdapter sleeve on Shaft tolerance h9 instead of p6 alt. r6strai
19、ght shaft Safe and fast mounting/dismounting Simple straight shaft2008-03-21 SKF Slide 17SKF Mining, Mineral Processing & CementWithdrawal sleeves for crusherAlternative;Adapter sleeve onstepped shaftType AOH Hydraulic assist std with bore 200mm Threaded hole on same side as locknut thread2008-03-21
20、 SKF Slide 18SKF Mining, Mineral Processing & CementSeals platformV-ring sealsContact sealsSealsSpeedi-SleeveSeal combinations(Speedi-Sleeve, contact seal, V-ring)2008-03-21 SKF Slide 19SKF Mining, Mineral Processing & CementSKF seals for roll crusherV-ring type VR4 seal - Long sealing lip VR-4 get
21、a longer permissible axial displacement than VR-1 and VR-2 compared. VR-1 = t2 = 4mm VR-4 = t2 = 12mm High misalignment ability 1Customer value Reliable operation Reduced maintenance and repair costs2008-03-21 SKF Slide 20SKF Mining, Mineral Processing & CementLubrication systems platformAutomatic s
22、ystemsLubricationsystemsSYSTEM 24MultipointlubricatorLGEP2 general machineryLGGB2 - Biodegradable / low toxicityLGHB2 high temperature( for moderate operating conditions )LGEV2 Large / low speed machinery2008-03-21 SKF Slide 21SKF Mining, Mineral Processing & CementSKF Greases and SKF SYSTEM 24 SYST
23、EM 24 automatic lubricator LGEP2 extreme pressure grease LGHB2 Lubrication systems2008-03-21 SKF Slide 22SKF Mining, Mineral Processing & CementServices platformServicesTrainingAsset Efficiency OptimizationMechanicalRCFAEngineering ConsultancyPdMPRMIMSAsset Management Services2008-03-21 SKF Slide 23
24、SKF Mining, Mineral Processing & CementSKF Copperhead for crushersMonitor machinery faults toextend machine performance Mechanical looseness Rotor unbalance Gear faults Bearing faults High temperatureFor all types and styles of crushersRolling and journal bearings2008-03-21 SKF Slide 24SKF Mining, M
25、ineral Processing & CementSKF Copperhead fault detection kitsPeriodic MonitoringCPHD 1B , CPHD 2BMarlin PRO MicrologoptionsContinuous MonitoringMicrologCPHD 2EC, CPHD 2ECMV, CTU Unit4 to 20 mA vibration4 to 20 mA temperaturePLC / DCS2008-03-21 SKF Slide 25SKF Mining, Mineral Processing & CementExamp
26、le - Jaw Crushers CPHD 4ECMonitor machinery faultsand extend machine performance Mechanical looseness (toggles, wear parts) Bearing faults High temperatureFrame bearing housings2008-03-21 SKF Slide 26SKF Mining, Mineral Processing & CementSKF Maintenance ProductsProduct TypesBenefitsHydraulic pumps
27、& injectors Hydraulic nutsLaser Shaft alignmentLaser Belt alignmentReduce maintenance & repair costsReduce downtimeImprove safetyHydraulic pumps:729124 (for nuts O HMVC 54E)729124 DA (with digital gauge)TMJL 50 DA (for nuts O HMVC 200E)Hydraulic nuts:HMVC . EHydraulic nut rental: ex: HMVE 48E/rental
28、TMEB 2TMEA 2 Laser ShaftLaser Belt AlignmentAlignment2008-03-21 SKF Slide 27SKF Mining, Mineral Processing & CementSKF oil injectionHydraulic assist adapter sleevesHydraulic Pumps For 222, 230 and 231 series bearingsSKF #729124 (for nuts HMVC 54E)Starting at 200mm ( 4 7/16 inch) sizeSKF #TMJL 100SRB
29、 (for nuts HMVC 92E).Digital Pump Gauge (For Oil Injection)SKF #TMJG 100DHydraulic FluidSKF #LHMF 300 (1 & 5 Liters Available)OSN and OSNPOSN . H and OSNP . HDial Indicator (Inches)SKF #TMCD R90 Angle ConnectorAdapterQuick connect nippleM6 male to G female#1014357#729832 A (d1 = G )SKF Part # 208405
30、1 (Swivel Nipple)To connect from SKFFor Connection1014357A to PumpTo Pump#1077453(Pipe)and#1077454(Nipple)2008-03-21 SKF Slide 28SKF Mining, Mineral Processing & CementSKF SKF Documented Solutions program (DSP)SKF ptitude Exchange is SKFs knowledge source for asset maintenance and reliability expert
31、ise. White papers, interactive services, tutorials, etc., are now at your fingertips.Register for FREE, and learn about subscription options.DSP is SKFs tool to document the valueand Return on Investment (ROI) for its solution.See for additional solutions2008-03-21 SKF Slide 29SKF Mining, Mineral P
32、rocessing & CementSKF solution for crushers SKF Explorer spherical roller bearing SKF Copperhead fault detection CARB toroidal roller bearing Maintenance products & Services Withdrawal sleeves Grease lubrication and systems2008-03-21 SKF Slide 30SKF Mining, Mineral Processing & CementSKF solutions f
33、or crushers Improve productivity and profitability Improve health and safety Improve the environmentFor more information, contact your SKF Authorized Distributor,your SKF Representative, or e-mail us at SKF, ptitude, SYSTEM 24 and Speedi-Sleeve are registered trademarks of the SKF GroupThe contents
34、 of this publication are the copyright of the publisher and may not be reproduced (even extracts) unless prior written permission is granted.Every care has been taken to ensure the accuracy of the information contained in this publication but no liability can be accepted for any loss or damage whether direct, indirect or consequential arising out of use of the information contained herein. 2008 SKF GroupVersion 1/2/20082008-03-21 SKF Slide 31SKF Mining, Mineral Processing & Cement