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-section method theory as the metric for assessing the rock drill performance has the poor general applicability.Accordingly,the article underlines the role the data analysis plays in the research of rock drills.It also covers the 3-section method theory and its calculation examples,and describes the advantages and drawbacks of the improved 3-section method.
万方数据
维普
