Effectual Design of Hammers for Rotary-Percussive Drilling Machines

被引：3
|
作者：
Erem'yants, V. E. [1 ]
机构：
[1] Kyrgyz Russian Slav Univ, Bishkek 720000, Kyrgyzstan
来源：
JOURNAL OF MINING SCIENCE | 2011年 / 47卷 / 05期
关键词：
hammer design; energy transfer coefficient; drilling velocity;
D O I：
10.1134/S106273914705011X
中图分类号：
TD [矿业工程];
学科分类号：
0819 ;
摘要：
Based on the review over theoretical and experimental analyses of influence the drilling machine hammer design exerts on the rock fracture process efficiency, the author draws a conclusion that hammers with curvilinear side surfaces are not an optimal choice as they do not provide a noticeable increase in the impact energy utilization while greatly limit the energy transfer to a work face via a drill rod without breaking the rod.
引用
收藏
页码：628 / 635
页数：8
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