Technical Description
Technical description：
Large spherical joint bearing，mounted in rotating mechanism center of large dragline for dragline equipment.
It will have the high requirements on the shape, size and surface roughness.
Manufacturing process:
Forging –rough machining-finishing outer cylindrical, bore, face-rough machining the surface -rough grinding surface-heat treatment—final machining the two end surface-final machining inner hole-final machining spherical surface
Advantage:
1. High strength material
2. Sound machine performance
3. Longer lifetime
4. High precision
Large spherical joint bearing，mounted in rotating mechanism center of large dragline for dragline equipment.
It will have the high requirements on the shape, size and surface roughness.
Manufacturing process:
Forging –rough machining-finishing outer cylindrical, bore, face-rough machining the surface -rough grinding surface-heat treatment—final machining the two end surface-final machining inner hole-final machining spherical surface
Advantage:
1. High strength material
2. Sound machine performance
3. Longer lifetime
4. High precision
parameters for
Parameters:Example as 40M3/ 85 meters dragline:
Weight:2600KG
Inner ring:1 piece, unit weight:700kg
Outer ring:2 pieces, unit weight:950kg
Dimension: outer diameter:1500
Inner diameter:1160
Height:600
Material: inner ring 50# steel, outer ring 40# steel
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