Based on the geological modeling with SURPAC software,the stope division and the third grade ore volume report are carried out for the gentle dip thick ore body of Jiama copper mine.The design guidance of medium and deep hole drilling and blasting is made, and the ore loss and dilution

During the last decade,DTH impactors(also called DTH hammers) have grown by leaps and bounds and a lot of specialized manufacturing enterprises with tremendous strength have sprung up.Their products have been popular in the country due to their supreme quality.The paper compiles

Brand : EPIROC
Part No. : 3115901218
Description : Seal Kit
Use in : Cop Rr11

with the leading DTH hammer which has the widest applications being the main thread, the paper describes the four generations of the DTH hammers respectively produced during the various periods since the founding of the New China, which are grouped in time order. The purpose is to let

during the last decade, DTH impactors (also called DTH hammers) have grown by leaps and bounds and a lot of specialized manufacturing enterprises with tremendous strength have sprung up. Their products have been popular in the Country duo to their supreme quality. The paper compiles the relevant

In view of such shortcomings as low efficiency and poor quality etc of traditional manual drilling by pneumatic drilling，this paper studied the applicability of drilling jumbo in the tunnel construction with full section method and step method through theoretical analysis，gave the applicability

As an advanced intelligent excavation equipment, three-boom hydraulic rock drilling jumbo has been gradually applied in long and huge tunnel construction. It can be combined with the construction characteristics of geological environment. Applying its technical features in construction

Brand : EPIROC
Part No. : 5112305243
Description : Safety Cartr.
Use in : Boltec 235 , Boomer 282 , Boomer S1d , Simba H1354 , Simba S7d

A fully-computerized drilling jumbo is used for drilling excavation in view of the characteristics of Luojiashan Tunnel in Lot 7 of Zhengzhou-Wanzhou High-speed Railway，for the purpose of meeting the requirements of“mechanization，industrialization，specialization and informatization”in tunnel

In view of complex assembly of hydraulic rock drills that their cause of troubles and damage are numerous. The text as based on multi home made hydraulic rock drills in operation is going to introduce mainly the rotation types, impact types, water circulating types, air circulating types