Modern Underground Drilling Rigs and Their Effect on MineProduction and Preparation

摘要

The products required by customers today have become far morerncomplex and consequently more demanding to handle.And there 's therndilemma.Nowadays,people tend to stick to a trade for just a few yearsrninstead of for a lifetime,and this means that the customer 's employeesrncannot be expected to get more than general knowledge of how to handlernmodern mining and construction equipment.rnTo meet this challenge,major steps are being taken by suppliers tornmake their ‘muscles 'more user-friendly.Also the supplier is assuming arnlarger share of responsibility for the product including operators training,rnsupply maintenance services and,in many cases,performance guarantees.rnIn other words,the supplier is today supplying a function or an activityrnrather than just muscles.rnSome of the new generation drill rigs have been on the market for arnfew years and reliable experience has been collected and is addressed inrnthis paper.Some of the information is well supported by figures whilernothers are just statements from users of the rigs.