Mechanical excavators are preferred to conventional drilling and blasting as blasting poses
several regulatory and operational issues. The roadheader is a machine for excavating rock …

Mechanical excavators are widely used in mining, tunneling and civil engineering projects.
There are several types of mechanical excavators, such as a roadheader, tunnel boring …

Application of mechanical excavators is one of the most commonly used excavation
methods because it can bring the project more productivity, accuracy and safety. Among the …

To improve the efficiency of cutting hard rocks in roadway tunneling, a rock breaking method
using a cutter assisted with hydraulic fracturing is proposed. In addition, the influence of the …

This study demonstrates the roadheader performance prediction ability of previously
developed vertical rock cutting rig (VRCR). Conical pick cutting tests were conducted on …

An electrohydraulic hybrid power cutting transmission system for roadheader under specific
working condition was proposed in this paper. The overall model for the new system …

Roadheaders are mechanical excavators which have been extensively used in tunneling,
mining and civil engineering works. Performance prediction of the roadheader is major …

The drum cutter, which is used in the form of an attachment of a excavator, is very useful in
that it can be used in connection with a excavator that can perform various tasks in the field …

굴착기의 어태치먼트 형태로 사용하는 드럼커터는 현장에서 다양한 작업이 가능한 굴착기와
연계하여 사용하는 점에서 그 효용이 크다. 본 연구에서는 굴착기에 설치된 드럼커터 …

Özellikle mekanize madencilik işletmelerinde kullanılan mekanik kazıcılarda olduğu gibi
makina techizat seçimi, bir maden projesi planlaması ve dizaynındaki en önemli konudur ve …