Design and primary investigations of heads with replaceable bits for rotary drilling in rocks

被引：0
|
作者：
Beben, A [1 ]
Maziarz, M [1 ]
Tylek, R [1 ]
机构：
[1] Univ Min & Met, Dept Min Machines & Waste Utilisat Equipment, Krakow, Poland
来源：
MINE PLANNING AND EQUIPMENT SECTION 1997 | 1997年
关键词：
D O I：
暂无
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
New generation's designs of heads with replaceable bits for rotary drilling in ravelly and medium-cohesive rocks are discussed. In the heads design are utilized rotating tangential bits which are in large scale production. Results of primary investigations, carried out in laboratory conditions with heads of 115, 143, 160 mm diameters are also presented.
引用
收藏
页码：521 / 525
页数：5
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