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破碎机的解决方案.docx

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2008-03-21 ?SKF Slide 1 SKF Mining, Mineral Processing Cement SKF solutions for crushers SKF 1 Industrial Team 2008 SKF Mining, Mineral Processing and Cement 2008-03-21 ?SKF Slide 2 SKF Mining, Mineral Processing Cement SKF solutions for crushers Jaw Gyratory / cone Roll Impact  Bearings Seals Housings Sleeves Hydraulic assist pumps Alignment tools Lubricants Circulating oil systems Fault detection Reliability Systems Total Shaft Solutions 2008-03-21 ?SKF Slide 3 SKF Mining, Mineral Processing Cement Jaw crushers Crusher type Single toggle Double toggle (less common) Bearing Operating Characteristics Considerable loads Shock loads Moderate/low speed, 150-200 rpm Harsh environment Reliable operation Root Cause Failures Bearings jamming in housing Labyrinth faulty design Lubrications Bearing seating wear Overload  Single toggle jaw crusher Double toggle jaw crusher 2008-03-21 ?SKF Slide 4 SKF Mining, Mineral Processing Cement SKF 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 Lubrication 2008-03-21 ?SKF Slide 5 SKF Mining, Mineral Processing Cement Gyratory / cone crushers Crusher type Cone Gyratory Bearing Operating Characteristics Heavy loading Chock loads Low to Moderate speed, 300-400 rpm Some high temperature Dusty environment Reliable operation up to 40 000 hrs Root Cause Failures Contamination Lubrication Seals failure Bearing seatings wear 2008-03-21 ?SKF Slide 6 SKF Mining, Mineral Processing Cement SKF 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 clearance ? ? ?  SKF Copperhead fault detection Circulating oil systems Seals 2008-03-21 ?SKF Slide 7 SKF Mining, Mineral Processing Cement Roll crushers / compactors Roll crusher/press type Cement Hard
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