DingHeJiang

DingHeJiang

4 posts
Analysis of Piston Stressed Area of Epiroc's Hydraulic Rock Drills and Assessment of 3-Section Method
Hydraulic rock drill

Analysis of Piston Stressed Area of Epiroc's Hydraulic Rock Drills and Assessment of 3-Section Method

The article compiles diameter data of 11 dual-control rock drills and 4 rear-control rock drills from Epiroc. The ratio range of stressed areas of the piston in return and power strokes is determined. Based on the analysis of ratio data, the article points out using the design variables based on 3-

  • ZhouZhiHong
    ZhouZhiHong
  • DingHeJiang
    DingHeJiang
  • TianXiang
    TianXiang
Fracture Failure Analysis of Shank Adapter for Hydraulic Rock Drill
Hydraulic rock drill

Fracture Failure Analysis of Shank Adapter for Hydraulic Rock Drill

The shank adapter of hydraulic rock drill broke after drilling 4000 m. Failure analysis is conducted using fracture morphology observation, chemical composition, mechanical properties and microstructure analysis. The results show that the material of shank adapter has well wear resistance and

  • GuoJianFei
    GuoJianFei
  • ZhangJiGuang
    ZhangJiGuang
  • ZhouZhongShang
    ZhouZhongShang
  • DingHeJiang
    DingHeJiang
  • ShunZhi
    ShunZhi
  • ZhaoYan
    ZhaoYan
  • KangXueQin
    KangXueQin