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Ring rail of operation device for heavy mining equipment
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  • Ring rail of operation device for heavy mining equipment
  • Ring rail of operation device for heavy mining equipment

Technical Description

Technical description: 
The ring rail path need to bear both thousands of tons of static pressure and working dynamic alternating pressure, with high requirement
 on manufacturing process and materials.
Large diameter of ring rail with high precision and assemble accuracy.
Their counterparts at the height difference and the difference between left and right positions
The height difference at their counterparts of each rails is less than 1mm
The difference between the left and right location of each piece of ring rail, less than 1mm
The surface on the bottom corresponds to the horizontal datum level, within the 300mm length range, the gap is less than 0.5mm.
Advantage:
1. High strength material
2. Strength toughness
3. High machining roughness and assemble accuracy
4. Longer lifetime, or longer service lifetime.



 

technical specification

Specification:

40M3 dragline:

Weight: 27680KG

Out dia.: 15700mm

Inside dia.: 15300mm

Height: 202mm

Total pieces: 16 pieces, each weight 1730KG 

Section area: 200*200

Material: 34CrNi1Mo

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