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
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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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