Deep Exploration costs are normally more expensive drill, drill damage itself caused great economic losses

Deep hard rock drilling about 70% of the time spent on drilling and from the drilling process, the drill once the quality of the accident, will be in the drilling process caused serious losses. Deep Exploration costs are normally more expensive drill, drill damage itself caused great economic losses, the sky is the drill waste a lot of  synthetic diamond powder , identify the cause of the accident to be struggling to replace a suitable replacement drill takes time, these factors delay period, the production plan extension is completed. It can be seen, drill the borehole  Abrasive grinding wheel  is good or bad is very important, in order to reach the drill drill fast, high drilling efficiency purposes, it is necessary to develop efficient, long-life of the drill.