Mining Constru C tion 1 2013 23 n ew kid Atlas Copco s rotary and DTH drill rig DM30 has long been favored by small mines and quarries for blasthole drilling Light weight and easy to handle it has served them well But now it s time for the DM30 to move over there s a new kid on the block F or more than 30 y ears the DM30 drill rig the smallest rotar y and DTH model in the range has retained its popularity among the w orld s smaller mines and quar ries Speciall y designed for drilling b lastholes in the 127171 mm 56 in range to a maximum depth of 45 m 147 ft this multi pass rig has been a f a v orite choice for its producti vity b ut e v en more so for its ease of use and fe xibility Among its strongest f ans the DM30 will probab l y continue to remain a f a v orite for some time to come b ut its popularity is f ad ing f ast as more and more drillers disco v er that there is a better v ersion a v ailab le the DM30 II This v ersion of fers all the adv antages of the basic DM30 b ut comes with a range of upg rades and impro v ements that pa v e the w a y for ne w oppor tunities and choices Asien workhorse The ne w kid on the b lock w as bor n in 2011 and has been w ell recei v ed notab l y in Asia w here the DM30 is a w ell kno wn w orkhorse in mines and quar ries b ut also in South Africa and P apua Ne w Guinea Besides the lar ger hole diameter range of 152 mm200 mm 6 7 in w hich enab les the ri g to be used for a wider v ariety of b la st holes the ne w DM30II is a straightforw ard w ell pro v en rig that has no w been moder n ized and upg raded to include a l a r g e r t h e r m a l i n s u l a t e d c a b i n w i t h no h ydraulic hoses pro viding a w ar mer m o r e c o m f o r t a b l e a n d s a f e r w o r k i n g en vironment for the operator an electric o v er h ydraulic control system similar to that used on other rigs in the DMseries an optional w alk w a y and enlar ged deck area for impro v ed accessibility for ser vice and maintenance an optional angle drilling package w hich allo ws the to w er to be positioned up to a maximum of 30 de g rees from the v er tical in increments of 5 de g rees allo wing the rig to be used for more applications such as cast b lasting an enlar ged h ydraulicall y raised dust hood with skir ting pro viding more space for the cuttings optional Atlas Copco scre w type lo w or high pressure compressors with high air temperature shut do wn Chinese inspiration T he o ri g in a l D M3 0 h a s b e e n w id e l y us e d i n China and it is here that the inspiration for the design of the DM30 II originated It is also he re that the n e w v ersion is being man uf actured Huber t Luo Product Manager for Atlas Copco in Nanjing tells MC W ith its small footprint light w eight and lo w cost the DM30 has been a continuous success stor y and therefore v er y little has been done o v er the y ears in ter ms of product de v elopment Ho w e v er in the last fe w y ears w e ha v e been g athering infor mation from our DM30 customers across China and this feedback con vinced us to go for a complete design upg rade The DM30 II is e v en easier to use The quality is better and both the capital and operating costs are lo w It also comes with man y more options that will mak e this v ersion e v en more popular than its predecessor Longtime favorite drill rig gets a worthy successor on the b L o C k Dwi P urw anto DM30 II operator for the Indonesian contractor Nariki Minex S ajati