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spherical bushing for gragline equipment
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  • spherical bushing  for gragline equipment
  • spherical bushing  for gragline equipment
  • spherical bushing  for gragline equipment

Technical Description

Technical description:
Large spherical joint bearing,mounted in rotating mechanism center of large dragline.
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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